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authorJeff Johnston <jjohnstn@redhat.com>2003-05-28 22:04:40 +0000
committerJeff Johnston <jjohnstn@redhat.com>2003-05-28 22:04:40 +0000
commitb359e82ceabbf42b1e3d8069627701fde5d7cb90 (patch)
tree38a5f38a753bd8420933e58d0da2dd6732afe406 /newlib/libc/sys/linux/linuxthreads/manager.c
parent4218d888971213c57c903845e16a10bc8bde616b (diff)
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2003-05-28 Jeff Johnston <jjohnstn@redhat.com>
Tom Fitzsimmons <fitzsim@redhat.com> * configure.in: Add iconvdata support for x86 linux. * configure: Regenerated. * libc/sys/linux/Makefile.am: Add EL/IX level 3 network, dynamic library, iconv, and linuxthreads support. * libc/sys/linux/configure.in: Ditto. * libc/sys/linux/Makefile.in: Regenerated. * libc/sys/linux/configure: Ditto. * iconvdata/EUC-JP.irreversible: New file. * iconvdata/Makefile.am: Ditto. * iconvdata/Makefile.in: Ditto. * iconvdata/SJIS.irreversible: Ditto. * iconvdata/aclocal.m4: Ditto. * iconvdata/configure: Ditto. * iconvdata/configure.in: Ditto. * iconvdata/dummy.c: Ditto. * iconvdata/euc-jp.c: Ditto. * iconvdata/gconv-modules: Ditto. * iconvdata/jis0201.c: Ditto. * iconvdata/jis0201.h: Ditto. * iconvdata/jis0208.c: Ditto. * iconvdata/jis0208.h: Ditto. * iconvdata/jis0212.c: Ditto. * iconvdata/jis0212.h: Ditto. * iconvdata/sjis.c: Ditto. * libc/include/errno.h: Protect definition of error_t. * libc/sys/linux/gethostid.c: New file. * libc/sys/linux/sethostid.c: Ditto. * libc/sys/linux/dl/Makefile.am: Ditto. * libc/sys/linux/dl/Makefile.in: Ditto. * libc/sys/linux/dl/abi-tag.h: Ditto. * libc/sys/linux/dl/atomicity.h: Ditto. * libc/sys/linux/dl/dl-addr.c: Ditto. * libc/sys/linux/dl/dl-cache.c: Ditto. * libc/sys/linux/dl/dl-cache.h: Ditto. * libc/sys/linux/dl/dl-close.c: Ditto. * libc/sys/linux/dl/dl-debug.c: Ditto. * libc/sys/linux/dl/dl-deps.c: Ditto. * libc/sys/linux/dl/dl-dst.h: Ditto. * libc/sys/linux/dl/dl-error.c: Ditto. * libc/sys/linux/dl/dl-fini.c: Ditto. * libc/sys/linux/dl/dl-init.c: Ditto. * libc/sys/linux/dl/dl-iteratephdr.c: Ditto. * libc/sys/linux/dl/dl-libc.c: Ditto. * libc/sys/linux/dl/dl-librecon.h: Ditto. * libc/sys/linux/dl/dl-load.c: Ditto. * libc/sys/linux/dl/dl-lookup.c: Ditto. * libc/sys/linux/dl/dl-lookupcfg.h: Ditto. * libc/sys/linux/dl/dl-minimal.c: Ditto. * libc/sys/linux/dl/dl-misc.c: Ditto. * libc/sys/linux/dl/dl-object.c: Ditto. * libc/sys/linux/dl/dl-open.c: Ditto. * libc/sys/linux/dl/dl-osinfo.h: Ditto. * libc/sys/linux/dl/dl-profile.c: Ditto. * libc/sys/linux/dl/dl-profstub.c: Ditto. * libc/sys/linux/dl/dl-reloc.c: Ditto. * libc/sys/linux/dl/dl-runtime.c: Ditto. * libc/sys/linux/dl/dl-support.c: Ditto. * libc/sys/linux/dl/dl-sym.c: Ditto. * libc/sys/linux/dl/dl-version.c: Ditto. * libc/sys/linux/dl/dlfcn.h: Ditto. * libc/sys/linux/dl/do-lookup.h: Ditto. * libc/sys/linux/dl/do-rel.h: Ditto. * libc/sys/linux/dl/dynamic-link.h: Ditto. * libc/sys/linux/dl/kernel-features.h: Ditto. * libc/sys/linux/dl/ldsodefs.h: Ditto. * libc/sys/linux/dl/libintl.h: Ditto. * libc/sys/linux/dl/trusted-dirs.h: Ditto. * libc/sys/linux/dl/unsecvars.h: Ditto. * libc/sys/linux/iconv/Makefile.am: Ditto. * libc/sys/linux/iconv/Makefile.in: Ditto. * libc/sys/linux/iconv/categories.def: Ditto. * libc/sys/linux/iconv/dummy-repertoire.c: Ditto. * libc/sys/linux/iconv/gconv.c: Ditto. * libc/sys/linux/iconv/gconv_builtin.c: Ditto. * libc/sys/linux/iconv/gconv_builtin.h: Ditto. * libc/sys/linux/iconv/gconv_cache.c: Ditto. * libc/sys/linux/iconv/gconv_charset.h: Ditto. * libc/sys/linux/iconv/gconv_close.c: Ditto. * libc/sys/linux/iconv/gconv_conf.c: Ditto. * libc/sys/linux/iconv/gconv_db.c: Ditto. * libc/sys/linux/iconv/gconv_dl.c: Ditto. * libc/sys/linux/iconv/gconv_int.h: Ditto. * libc/sys/linux/iconv/gconv_open.c: Ditto. * libc/sys/linux/iconv/gconv_simple.c: Ditto. * libc/sys/linux/iconv/gconv_trans.c: Ditto. * libc/sys/linux/iconv/hash-string.h: Ditto. * libc/sys/linux/iconv/iconv.c: Ditto. * libc/sys/linux/iconv/iconv.h: Ditto. * libc/sys/linux/iconv/iconv_charmap.c: Ditto. * libc/sys/linux/iconv/iconv_close.c: Ditto. * libc/sys/linux/iconv/iconv_open.c: Ditto. * libc/sys/linux/iconv/iconvconfig.c: Ditto. * libc/sys/linux/iconv/iconvconfig.h: Ditto. * libc/sys/linux/iconv/loadinfo.h: Ditto. * libc/sys/linux/iconv/localeinfo.h: Ditto. * libc/sys/linux/iconv/loop.c: Ditto. * libc/sys/linux/iconv/skeleton.c: Ditto. * libc/sys/linux/iconv/strtab.c: Ditto. * libc/sys/linux/include/dl-hash.h: Ditto. * libc/sys/linux/include/dlfcn.h: Ditto. * libc/sys/linux/include/fnmatch.h: Ditto. * libc/sys/linux/include/gconv.h: Ditto. * libc/sys/linux/include/glob.h: Ditto. * libc/sys/linux/include/hesiod.h: Ditto. * libc/sys/linux/include/ifaddrs.h: Ditto. * libc/sys/linux/include/libc_private.h: Ditto. * libc/sys/linux/include/link.h: Ditto. * libc/sys/linux/include/namespace.h: Ditto. * libc/sys/linux/include/netconfig.h: Ditto. * libc/sys/linux/include/netdb.h: Ditto. * libc/sys/linux/include/nsswitch.h: Ditto. * libc/sys/linux/include/regex.h: Ditto. * libc/sys/linux/include/resolv.h: Ditto. * libc/sys/linux/include/rune.h: Ditto. * libc/sys/linux/include/runetype.h: Ditto. * libc/sys/linux/include/semaphore.h: Ditto. * libc/sys/linux/include/setlocale.h: Ditto. * libc/sys/linux/include/un-namespace.h: Ditto. * libc/sys/linux/include/wordexp.h: Ditto. * libc/sys/linux/include/arpa/ftp.h: Ditto. * libc/sys/linux/include/arpa/inet.h: Ditto. * libc/sys/linux/include/arpa/nameser.h: Ditto. * libc/sys/linux/include/arpa/nameser_compat.h: Ditto. * libc/sys/linux/include/arpa/telnet.h: Ditto. * libc/sys/linux/include/arpa/tftp.h: Ditto. * libc/sys/linux/include/net/bpf.h: Ditto. * libc/sys/linux/include/net/bpf_compat.h: Ditto. * libc/sys/linux/include/net/bpfdesc.h: Ditto. * libc/sys/linux/include/net/bridge.h: Ditto. * libc/sys/linux/include/net/ethernet.h: Ditto. * libc/sys/linux/include/net/fddi.h: Ditto. * libc/sys/linux/include/net/if.h: Ditto. * libc/sys/linux/include/net/if_arc.h: Ditto. * libc/sys/linux/include/net/if_arp.h: Ditto. * libc/sys/linux/include/net/if_atm.h: Ditto. * libc/sys/linux/include/net/if_dl.h: Ditto. * libc/sys/linux/include/net/if_gif.h: Ditto. * libc/sys/linux/include/net/if_ieee80211.h: Ditto. * libc/sys/linux/include/net/if_llc.h: Ditto. * libc/sys/linux/include/net/if_media.h: Ditto. * libc/sys/linux/include/net/if_mib.h: Ditto. * libc/sys/linux/include/net/if_ppp.h: Ditto. * libc/sys/linux/include/net/if_pppvar.h: Ditto. * libc/sys/linux/include/net/if_slvar.h: Ditto. * libc/sys/linux/include/net/if_sppp.h: Ditto. * libc/sys/linux/include/net/if_stf.h: Ditto. * libc/sys/linux/include/net/if_tap.h: Ditto. * libc/sys/linux/include/net/if_tapvar.h: Ditto. * libc/sys/linux/include/net/if_tun.h: Ditto. * libc/sys/linux/include/net/if_tunvar.h: Ditto. * libc/sys/linux/include/net/if_types.h: Ditto. * libc/sys/linux/include/net/if_var.h: Ditto. * libc/sys/linux/include/net/if_vlan_var.h: Ditto. * libc/sys/linux/include/net/intrq.h: Ditto. * libc/sys/linux/include/net/iso88025.h: Ditto. * libc/sys/linux/include/net/net_osdep.h: Ditto. * libc/sys/linux/include/net/netisr.h: Ditto. * libc/sys/linux/include/net/pfil.h: Ditto. * libc/sys/linux/include/net/pfkeyv2.h: Ditto. * libc/sys/linux/include/net/ppp_comp.h: Ditto. * libc/sys/linux/include/net/ppp_defs.h: Ditto. * libc/sys/linux/include/net/radix.h: Ditto. * libc/sys/linux/include/net/raw_cb.h: Ditto. * libc/sys/linux/include/net/route.h: Ditto. * libc/sys/linux/include/net/slcompress.h: Ditto. * libc/sys/linux/include/net/slip.h: Ditto. * libc/sys/linux/include/net/zlib.h: Ditto. * libc/sys/linux/include/netinet/icmp6.h: Ditto. * libc/sys/linux/include/netinet/icmp_var.h: Ditto. * libc/sys/linux/include/netinet/if_atm.h: Ditto. * libc/sys/linux/include/netinet/if_ether.h: Ditto. * libc/sys/linux/include/netinet/igmp.h: Ditto. * libc/sys/linux/include/netinet/igmp_var.h: Ditto. * libc/sys/linux/include/netinet/in.h: Ditto. * libc/sys/linux/include/netinet/in_gif.h: Ditto. * libc/sys/linux/include/netinet/in_pcb.h: Ditto. * libc/sys/linux/include/netinet/in_systm.h: Ditto. * libc/sys/linux/include/netinet/in_var.h: Ditto. * libc/sys/linux/include/netinet/ip.h: Ditto. * libc/sys/linux/include/netinet/ip6.h: Ditto. * libc/sys/linux/include/netinet/ip_dummynet.h: Ditto. * libc/sys/linux/include/netinet/ip_ecn.h: Ditto. * libc/sys/linux/include/netinet/ip_encap.h: Ditto. * libc/sys/linux/include/netinet/ip_flow.h: Ditto. * libc/sys/linux/include/netinet/ip_fw.h: Ditto. * libc/sys/linux/include/netinet/ip_icmp.h: Ditto. * libc/sys/linux/include/netinet/ip_mroute.h: Ditto. * libc/sys/linux/include/netinet/ip_var.h: Ditto. * libc/sys/linux/include/netinet/ipprotosw.h: Ditto. * libc/sys/linux/include/netinet/tcp.h: Ditto. * libc/sys/linux/include/netinet/tcp_debug.h: Ditto. * libc/sys/linux/include/netinet/tcp_fsm.h: Ditto. * libc/sys/linux/include/netinet/tcp_seq.h: Ditto. * libc/sys/linux/include/netinet/tcp_timer.h: Ditto. * libc/sys/linux/include/netinet/tcp_var.h: Ditto. * libc/sys/linux/include/netinet/tcpip.h: Ditto. * libc/sys/linux/include/netinet/udp.h: Ditto. * libc/sys/linux/include/netinet/udp_var.h: Ditto. * libc/sys/linux/include/netinet6/ah.h: Ditto. * libc/sys/linux/include/netinet6/ah6.h: Ditto. * libc/sys/linux/include/netinet6/esp.h: Ditto. * libc/sys/linux/include/netinet6/esp6.h: Ditto. * libc/sys/linux/include/netinet6/esp_rijndael.h: Ditto. * libc/sys/linux/include/netinet6/icmp6.h: Ditto. * libc/sys/linux/include/netinet6/in6.h: Ditto. * libc/sys/linux/include/netinet6/in6_gif.h: Ditto. * libc/sys/linux/include/netinet6/in6_ifattach.h: Ditto. * libc/sys/linux/include/netinet6/in6_pcb.h: Ditto. * libc/sys/linux/include/netinet6/in6_prefix.h: Ditto. * libc/sys/linux/include/netinet6/in6_var.h: Ditto. * libc/sys/linux/include/netinet6/ip6.h: Ditto. * libc/sys/linux/include/netinet6/ip6_ecn.h: Ditto. * libc/sys/linux/include/netinet6/ip6_fw.h: Ditto. * libc/sys/linux/include/netinet6/ip6_mroute.h: Ditto. * libc/sys/linux/include/netinet6/ip6_var.h: Ditto. * libc/sys/linux/include/netinet6/ip6protosw.h: Ditto. * libc/sys/linux/include/netinet6/ipcomp.h: Ditto. * libc/sys/linux/include/netinet6/ipcomp6.h: Ditto. * libc/sys/linux/include/netinet6/ipsec.h: Ditto. * libc/sys/linux/include/netinet6/ipsec6.h: Ditto. * libc/sys/linux/include/netinet6/mld6_var.h: Ditto. * libc/sys/linux/include/netinet6/nd6.h: Ditto. * libc/sys/linux/include/netinet6/pim6.h: Ditto. * libc/sys/linux/include/netinet6/pim6_var.h: Ditto. * libc/sys/linux/include/netinet6/raw_ip6.h: Ditto. * libc/sys/linux/include/netinet6/scope6_var.h: Ditto. * libc/sys/linux/include/netinet6/tcp6_var.h: Ditto. * libc/sys/linux/include/netinet6/udp6_var.h: Ditto. * libc/sys/linux/include/netns/idp.h: Ditto. * libc/sys/linux/include/netns/idp_var.h: Ditto. * libc/sys/linux/include/netns/ns.h: Ditto. * libc/sys/linux/include/netns/ns_error.h: Ditto. * libc/sys/linux/include/netns/ns_if.h: Ditto. * libc/sys/linux/include/netns/ns_pcb.h: Ditto. * libc/sys/linux/include/netns/sp.h: Ditto. * libc/sys/linux/include/netns/spidp.h: Ditto. * libc/sys/linux/include/netns/spp_debug.h: Ditto. * libc/sys/linux/include/netns/spp_timer.h: Ditto. * libc/sys/linux/include/netns/spp_var.h: Ditto. * libc/sys/linux/include/rpc/Makefile: Ditto. * libc/sys/linux/include/rpc/auth.h: Ditto. * libc/sys/linux/include/rpc/auth_des.h: Ditto. * libc/sys/linux/include/rpc/auth_kerb.h: Ditto. * libc/sys/linux/include/rpc/auth_unix.h: Ditto. * libc/sys/linux/include/rpc/clnt.h: Ditto. * libc/sys/linux/include/rpc/clnt_soc.h: Ditto. * libc/sys/linux/include/rpc/clnt_stat.h: Ditto. * libc/sys/linux/include/rpc/des.h: Ditto. * libc/sys/linux/include/rpc/des_crypt.h: Ditto. * libc/sys/linux/include/rpc/nettype.h: Ditto. * libc/sys/linux/include/rpc/pmap_clnt.h: Ditto. * libc/sys/linux/include/rpc/pmap_prot.h: Ditto. * libc/sys/linux/include/rpc/pmap_rmt.h: Ditto. * libc/sys/linux/include/rpc/raw.h: Ditto. * libc/sys/linux/include/rpc/rpc.h: Ditto. * libc/sys/linux/include/rpc/rpc_com.h: Ditto. * libc/sys/linux/include/rpc/rpc_msg.h: Ditto. * libc/sys/linux/include/rpc/rpcb_clnt.h: Ditto. * libc/sys/linux/include/rpc/rpcb_prot.h: Ditto. * libc/sys/linux/include/rpc/rpcb_prot.x: Ditto. * libc/sys/linux/include/rpc/rpcent.h: Ditto. * libc/sys/linux/include/rpc/svc.h: Ditto. * libc/sys/linux/include/rpc/svc_auth.h: Ditto. * libc/sys/linux/include/rpc/svc_dg.h: Ditto. * libc/sys/linux/include/rpc/svc_soc.h: Ditto. * libc/sys/linux/include/rpc/types.h: Ditto. * libc/sys/linux/include/rpc/xdr.h: Ditto. * libc/sys/linux/intl/Makefile.am: Ditto. * libc/sys/linux/intl/Makefile.in: Ditto. * libc/sys/linux/intl/bindtextdom.c: Ditto. * libc/sys/linux/intl/catgets.c: Ditto. * libc/sys/linux/intl/catgetsinfo.h: Ditto. * libc/sys/linux/intl/config.h: Ditto. * libc/sys/linux/intl/dcgettext.c: Ditto. * libc/sys/linux/intl/dcigettext.c: Ditto. * libc/sys/linux/intl/dcngettext.c: Ditto. * libc/sys/linux/intl/dgettext.c: Ditto. * libc/sys/linux/intl/dngettext.c: Ditto. * libc/sys/linux/intl/explodename.c: Ditto. * libc/sys/linux/intl/finddomain.c: Ditto. * libc/sys/linux/intl/gettext.c: Ditto. * libc/sys/linux/intl/gettext.h: Ditto. * libc/sys/linux/intl/gettextP.h: Ditto. * libc/sys/linux/intl/hash-string.h: Ditto. * libc/sys/linux/intl/l10nflist.c: Ditto. * libc/sys/linux/intl/loadinfo.h: Ditto. * libc/sys/linux/intl/loadmsgcat.c: Ditto. * libc/sys/linux/intl/locale.alias: Ditto. * libc/sys/linux/intl/localealias.c: Ditto. * libc/sys/linux/intl/ngettext.c: Ditto. * libc/sys/linux/intl/open_catalog.c: Ditto. * libc/sys/linux/intl/plural.c: Ditto. * libc/sys/linux/intl/plural.y: Ditto. * libc/sys/linux/intl/stpcpy.c: Ditto. * libc/sys/linux/intl/textdomain.c: Ditto. * libc/sys/linux/linuxthreads/LICENSE: Ditto. * libc/sys/linux/linuxthreads/Makefile.am: Ditto. * libc/sys/linux/linuxthreads/Makefile.in: Ditto. * libc/sys/linux/linuxthreads/aclocal.m4: Ditto. * libc/sys/linux/linuxthreads/attr.c: Ditto. * libc/sys/linux/linuxthreads/barrier.c: Ditto. * libc/sys/linux/linuxthreads/bp-sym.h: Ditto. * libc/sys/linux/linuxthreads/cancel.c: Ditto. * libc/sys/linux/linuxthreads/condvar.c: Ditto. * libc/sys/linux/linuxthreads/config.h: Ditto. * libc/sys/linux/linuxthreads/configure: Ditto. * libc/sys/linux/linuxthreads/configure.in: Ditto. * libc/sys/linux/linuxthreads/defs.awk: Ditto. * libc/sys/linux/linuxthreads/ecmutex.c: Ditto. * libc/sys/linux/linuxthreads/events.c: Ditto. * libc/sys/linux/linuxthreads/getcpuclockid.c: Ditto. * libc/sys/linux/linuxthreads/getreent.c: Ditto. * libc/sys/linux/linuxthreads/internals.h: Ditto. * libc/sys/linux/linuxthreads/join.c: Ditto. * libc/sys/linux/linuxthreads/joinrace.c: Ditto. * libc/sys/linux/linuxthreads/kernel-features.h: Ditto. * libc/sys/linux/linuxthreads/libc-internal.h: Ditto. * libc/sys/linux/linuxthreads/libc-symbols.h: Ditto. * libc/sys/linux/linuxthreads/linuxthreads.texi: Ditto. * libc/sys/linux/linuxthreads/lockfile.c: Ditto. * libc/sys/linux/linuxthreads/manager.c: Ditto. * libc/sys/linux/linuxthreads/mq_notify.c: Ditto. * libc/sys/linux/linuxthreads/mutex.c: Ditto. * libc/sys/linux/linuxthreads/no-tsd.c: Ditto. * libc/sys/linux/linuxthreads/oldsemaphore.c: Ditto. * libc/sys/linux/linuxthreads/posix-timer.h: Ditto. * libc/sys/linux/linuxthreads/prio.c: Ditto. * libc/sys/linux/linuxthreads/proc_service.h: Ditto. * libc/sys/linux/linuxthreads/pt-machine.c: Ditto. * libc/sys/linux/linuxthreads/ptclock_gettime.c: Ditto. * libc/sys/linux/linuxthreads/ptclock_settime.c: Ditto. * libc/sys/linux/linuxthreads/ptfork.c: Ditto. * libc/sys/linux/linuxthreads/pthread.c: Ditto. * libc/sys/linux/linuxthreads/ptlongjmp.c: Ditto. * libc/sys/linux/linuxthreads/queue.h: Ditto. * libc/sys/linux/linuxthreads/reent.c: Ditto. * libc/sys/linux/linuxthreads/reqsyscalls.c: Ditto. * libc/sys/linux/linuxthreads/restart.h: Ditto. * libc/sys/linux/linuxthreads/rwlock.c: Ditto. * libc/sys/linux/linuxthreads/semaphore.c: Ditto. * libc/sys/linux/linuxthreads/semaphore.h: Ditto. * libc/sys/linux/linuxthreads/shlib-compat.h: Ditto. * libc/sys/linux/linuxthreads/signals.c: Ditto. * libc/sys/linux/linuxthreads/specific.c: Ditto. * libc/sys/linux/linuxthreads/spinlock.c: Ditto. * libc/sys/linux/linuxthreads/spinlock.h: Ditto. * libc/sys/linux/linuxthreads/sysctl.c: Ditto. * libc/sys/linux/linuxthreads/td_init.c: Ditto. * libc/sys/linux/linuxthreads/td_log.c: Ditto. * libc/sys/linux/linuxthreads/td_symbol_list.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_clear_event.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_delete.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_enable_stats.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_event_addr.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_event_getmsg.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_get_nthreads.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_get_ph.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_get_stats.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_map_id2thr.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_map_lwp2thr.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_new.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_reset_stats.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_set_event.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_setconcurrency.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_thr_iter.c: Ditto. * libc/sys/linux/linuxthreads/td_ta_tsd_iter.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_clear_event.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_dbresume.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_dbsuspend.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_event_enable.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_event_getmsg.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_get_info.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_getfpregs.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_getgregs.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_getxregs.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_getxregsize.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_set_event.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_setfpregs.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_setgregs.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_setprio.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_setsigpending.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_setxregs.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_sigsetmask.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_tsd.c: Ditto. * libc/sys/linux/linuxthreads/td_thr_validate.c: Ditto. * libc/sys/linux/linuxthreads/testrtsig.h: Ditto. * libc/sys/linux/linuxthreads/thread_db.h: Ditto. * libc/sys/linux/linuxthreads/thread_dbP.h: Ditto. * libc/sys/linux/linuxthreads/timer_create.c: Ditto. * libc/sys/linux/linuxthreads/timer_delete.c: Ditto. * libc/sys/linux/linuxthreads/timer_getoverr.c: Ditto. * libc/sys/linux/linuxthreads/timer_gettime.c: Ditto. * libc/sys/linux/linuxthreads/timer_routines.c: Ditto. * libc/sys/linux/linuxthreads/timer_settime.c: Ditto. * libc/sys/linux/linuxthreads/tst-cancel.c: Ditto. * libc/sys/linux/linuxthreads/tst-context.c: Ditto. * libc/sys/linux/linuxthreads/tststack.c: Ditto. * libc/sys/linux/linuxthreads/unload.c: Ditto. * libc/sys/linux/linuxthreads/weaks.c: Ditto. * libc/sys/linux/linuxthreads/wrapsyscall.c: Ditto. * libc/sys/linux/linuxthreads/bits/initspin.h: Ditto. * libc/sys/linux/linuxthreads/bits/libc-lock.h: Ditto. * libc/sys/linux/linuxthreads/bits/libc-tsd.h: Ditto. * libc/sys/linux/linuxthreads/bits/local_lim.h: Ditto. * libc/sys/linux/linuxthreads/bits/posix_opt.h: Ditto. * libc/sys/linux/linuxthreads/bits/pthreadtypes.h: Ditto. * libc/sys/linux/linuxthreads/bits/sigthread.h: Ditto. * libc/sys/linux/linuxthreads/machine/Makefile.am: Ditto. * libc/sys/linux/linuxthreads/machine/Makefile.in: Ditto. * libc/sys/linux/linuxthreads/machine/aclocal.m4: Ditto. * libc/sys/linux/linuxthreads/machine/configure: Ditto. * libc/sys/linux/linuxthreads/machine/configure.in: Ditto. * libc/sys/linux/linuxthreads/machine/generic/generic-sysd: Ditto.ep.h * libc/sys/linux/linuxthreads/machine/i386/Makefile.am: Ditto. * libc/sys/linux/linuxthreads/machine/i386/Makefile.in: Ditto. * libc/sys/linux/linuxthreads/machine/i386/aclocal.m4: Ditto. * libc/sys/linux/linuxthreads/machine/i386/bp-asm.h: Ditto. * libc/sys/linux/linuxthreads/machine/i386/clone.S: Ditto. * libc/sys/linux/linuxthreads/machine/i386/configure: Ditto. * libc/sys/linux/linuxthreads/machine/i386/configure.in: Ditto. * libc/sys/linux/linuxthreads/machine/i386/i386-sysdep.S: Ditto. * libc/sys/linux/linuxthreads/machine/i386/i386-sysdep.h: Ditto. * libc/sys/linux/linuxthreads/machine/i386/pspinlock.c: Ditto. * libc/sys/linux/linuxthreads/machine/i386/pt-machine.h: Ditto. * libc/sys/linux/linuxthreads/machine/i386/sigcontextinfo.h: Ditto. * libc/sys/linux/linuxthreads/machine/i386/stackinfo.h: Ditto. * libc/sys/linux/linuxthreads/machine/i386/sysdep.S: Ditto. * libc/sys/linux/linuxthreads/machine/i386/sysdep.h: Ditto. * libc/sys/linux/linuxthreads/machine/i386/useldt.h: Ditto. * libc/sys/linux/machine/i386/dl-machine.h: Ditto. * libc/sys/linux/net/Makefile.am: Ditto. * libc/sys/linux/net/Makefile.in: Ditto. * libc/sys/linux/net/addr2ascii.3: Ditto. * libc/sys/linux/net/addr2ascii.c: Ditto. * libc/sys/linux/net/ascii2addr.c: Ditto. * libc/sys/linux/net/base64.c: Ditto. * libc/sys/linux/net/bindresvport.c: Ditto. * libc/sys/linux/net/byteorder.3: Ditto. * libc/sys/linux/net/ether_addr.c: Ditto. * libc/sys/linux/net/ethers.3: Ditto. * libc/sys/linux/net/getaddrinfo.3: Ditto. * libc/sys/linux/net/getaddrinfo.c: Ditto. * libc/sys/linux/net/gethostbydns.c: Ditto. * libc/sys/linux/net/gethostbyht.c: Ditto. * libc/sys/linux/net/gethostbyname.3: Ditto. * libc/sys/linux/net/gethostbynis.c: Ditto. * libc/sys/linux/net/gethostnamadr.c: Ditto. * libc/sys/linux/net/getifaddrs.3: Ditto. * libc/sys/linux/net/getifaddrs.c: Ditto. * libc/sys/linux/net/getipnodebyname.3: Ditto. * libc/sys/linux/net/getnameinfo.3: Ditto. * libc/sys/linux/net/getnameinfo.c: Ditto. * libc/sys/linux/net/getnetbydns.c: Ditto. * libc/sys/linux/net/getnetbyht.c: Ditto. * libc/sys/linux/net/getnetbynis.c: Ditto. * libc/sys/linux/net/getnetent.3: Ditto. * libc/sys/linux/net/getnetnamadr.c: Ditto. * libc/sys/linux/net/getproto.c: Ditto. * libc/sys/linux/net/getprotoent.3: Ditto. * libc/sys/linux/net/getprotoent.c: Ditto. * libc/sys/linux/net/getprotoname.c: Ditto. * libc/sys/linux/net/getservbyname.c: Ditto. * libc/sys/linux/net/getservbyport.c: Ditto. * libc/sys/linux/net/getservent.3: Ditto. * libc/sys/linux/net/getservent.c: Ditto. * libc/sys/linux/net/herror.c: Ditto. * libc/sys/linux/net/hesiod.3: Ditto. * libc/sys/linux/net/hesiod.c: Ditto. * libc/sys/linux/net/if_indextoname.3: Ditto. * libc/sys/linux/net/ifname.c: Ditto. * libc/sys/linux/net/inet.3: Ditto. * libc/sys/linux/net/inet6_option_s: Ditto.pace.3 * libc/sys/linux/net/inet6_rthdr_space.3: Ditto. * libc/sys/linux/net/inet_addr.c: Ditto. * libc/sys/linux/net/inet_lnaof.c: Ditto. * libc/sys/linux/net/inet_makeaddr.c: Ditto. * libc/sys/linux/net/inet_net.3: Ditto. * libc/sys/linux/net/inet_net_ntop.c: Ditto. * libc/sys/linux/net/inet_net_pton.c: Ditto. * libc/sys/linux/net/inet_neta.c: Ditto. * libc/sys/linux/net/inet_netof.c: Ditto. * libc/sys/linux/net/inet_network.c: Ditto. * libc/sys/linux/net/inet_ntoa.c: Ditto. * libc/sys/linux/net/inet_ntop.c: Ditto. * libc/sys/linux/net/inet_pton.c: Ditto. * libc/sys/linux/net/innetgr-stub.c: Ditto. * libc/sys/linux/net/ip6opt.c: Ditto. * libc/sys/linux/net/iso_addr.3: Ditto. * libc/sys/linux/net/iso_addr.c: Ditto. * libc/sys/linux/net/issetugid-stub.c: Ditto. * libc/sys/linux/net/linkaddr.3: Ditto. * libc/sys/linux/net/linkaddr.c: Ditto. * libc/sys/linux/net/map_v4v6.c: Ditto. * libc/sys/linux/net/name6.c: Ditto. * libc/sys/linux/net/namespace.h: Ditto. * libc/sys/linux/net/ns.3: Ditto. * libc/sys/linux/net/ns_addr.c: Ditto. * libc/sys/linux/net/ns_name.c: Ditto. * libc/sys/linux/net/ns_netint.c: Ditto. * libc/sys/linux/net/ns_ntoa.c: Ditto. * libc/sys/linux/net/ns_parse.c: Ditto. * libc/sys/linux/net/ns_print.c: Ditto. * libc/sys/linux/net/ns_ttl.c: Ditto. * libc/sys/linux/net/nsap_addr.c: Ditto. * libc/sys/linux/net/nsdispatch.3: Ditto. * libc/sys/linux/net/nsdispatch.c: Ditto. * libc/sys/linux/net/nslexer.c: Ditto. * libc/sys/linux/net/nslexer.l: Ditto. * libc/sys/linux/net/nsparser.c: Ditto. * libc/sys/linux/net/nsparser.h: Ditto. * libc/sys/linux/net/nsparser.y: Ditto. * libc/sys/linux/net/rcmd.3: Ditto. * libc/sys/linux/net/rcmd.c: Ditto. * libc/sys/linux/net/rcmdsh.3: Ditto. * libc/sys/linux/net/rcmdsh.c: Ditto. * libc/sys/linux/net/recv.c: Ditto. * libc/sys/linux/net/res_comp.c: Ditto. * libc/sys/linux/net/res_config.h: Ditto. * libc/sys/linux/net/res_data.c: Ditto. * libc/sys/linux/net/res_debug.c: Ditto. * libc/sys/linux/net/res_init.c: Ditto. * libc/sys/linux/net/res_mkquery.c: Ditto. * libc/sys/linux/net/res_mkupdate.c: Ditto. * libc/sys/linux/net/res_query.c: Ditto. * libc/sys/linux/net/res_send.c: Ditto. * libc/sys/linux/net/res_update.c: Ditto. * libc/sys/linux/net/resolver.3: Ditto. * libc/sys/linux/net/rthdr.c: Ditto. * libc/sys/linux/net/send.c: Ditto. * libc/sys/linux/net/un-namespace.h: Ditto. * libc/sys/linux/net/vars.c: Ditto. * libc/sys/linux/stdlib/COPYRIGHT: Ditto. * libc/sys/linux/stdlib/Makefile.am: Ditto. * libc/sys/linux/stdlib/Makefile.in: Ditto. * libc/sys/linux/stdlib/cclass.h: Ditto. * libc/sys/linux/stdlib/cname.h: Ditto. * libc/sys/linux/stdlib/collate.c: Ditto. * libc/sys/linux/stdlib/collate.h: Ditto. * libc/sys/linux/stdlib/collcmp.c: Ditto. * libc/sys/linux/stdlib/engine.c: Ditto. * libc/sys/linux/stdlib/fnmatch.3: Ditto. * libc/sys/linux/stdlib/fnmatch.c: Ditto. * libc/sys/linux/stdlib/glob.3: Ditto. * libc/sys/linux/stdlib/glob.c: Ditto. * libc/sys/linux/stdlib/reallocf.c: Ditto. * libc/sys/linux/stdlib/regcomp.c: Ditto. * libc/sys/linux/stdlib/regerror.c: Ditto. * libc/sys/linux/stdlib/regex.3: Ditto. * libc/sys/linux/stdlib/regex2.h: Ditto. * libc/sys/linux/stdlib/regexec.c: Ditto. * libc/sys/linux/stdlib/regfree.c: Ditto. * libc/sys/linux/stdlib/utils.h: Ditto. * libc/sys/linux/stdlib/wordexp.c: Ditto. * libc/sys/linux/stdlib/wordfree.c: Ditto. * libc/sys/linux/sys/dlfcn.h: Ditto. * libc/sys/linux/sys/elfclass.h: Ditto. * libc/sys/linux/sys/event.h: Ditto. * libc/sys/linux/sys/ioccom.h: Ditto. * libc/sys/linux/sys/libc-tsd.h: Ditto. * libc/sys/linux/sys/link.h: Ditto. * libc/sys/linux/sys/lock.h: Ditto. * libc/sys/linux/sys/param.h: Ditto. * libc/sys/linux/sys/socket.h: Ditto. * libc/sys/linux/sys/sockio.h: Ditto.
Diffstat (limited to 'newlib/libc/sys/linux/linuxthreads/manager.c')
-rw-r--r--newlib/libc/sys/linux/linuxthreads/manager.c981
1 files changed, 981 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/linuxthreads/manager.c b/newlib/libc/sys/linux/linuxthreads/manager.c
new file mode 100644
index 000000000..7729903cf
--- /dev/null
+++ b/newlib/libc/sys/linux/linuxthreads/manager.c
@@ -0,0 +1,981 @@
+/* Linuxthreads - a simple clone()-based implementation of Posix */
+/* threads for Linux. */
+/* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr) */
+/* */
+/* This program is free software; you can redistribute it and/or */
+/* modify it under the terms of the GNU Library General Public License */
+/* as published by the Free Software Foundation; either version 2 */
+/* of the License, or (at your option) any later version. */
+/* */
+/* This program is distributed in the hope that it will be useful, */
+/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
+/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
+/* GNU Library General Public License for more details. */
+
+/* The "thread manager" thread: manages creation and termination of threads */
+
+#include <errno.h>
+#include <sched.h>
+#include <stddef.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/poll.h> /* for poll */
+#include <sys/mman.h> /* for mmap */
+#include <sys/param.h>
+#include <sys/time.h>
+#include <sys/wait.h> /* for waitpid macros */
+
+#include "pthread.h"
+#include "internals.h"
+#include "spinlock.h"
+#include "restart.h"
+#include "semaphore.h"
+
+/* Array of active threads. Entry 0 is reserved for the initial thread. */
+struct pthread_handle_struct __pthread_handles[PTHREAD_THREADS_MAX] =
+{ { __LOCK_INITIALIZER, &__pthread_initial_thread, 0},
+ { __LOCK_INITIALIZER, &__pthread_manager_thread, 0}, /* All NULLs */ };
+
+/* For debugging purposes put the maximum number of threads in a variable. */
+const int __linuxthreads_pthread_threads_max = PTHREAD_THREADS_MAX;
+
+#ifndef THREAD_SELF
+/* Indicate whether at least one thread has a user-defined stack (if 1),
+ or if all threads have stacks supplied by LinuxThreads (if 0). */
+int __pthread_nonstandard_stacks;
+#endif
+
+/* Number of active entries in __pthread_handles (used by gdb) */
+volatile int __pthread_handles_num = 2;
+
+/* Whether to use debugger additional actions for thread creation
+ (set to 1 by gdb) */
+volatile int __pthread_threads_debug;
+
+/* Globally enabled events. */
+volatile td_thr_events_t __pthread_threads_events;
+
+/* Pointer to thread descriptor with last event. */
+volatile pthread_descr __pthread_last_event;
+
+/* Mapping from stack segment to thread descriptor. */
+/* Stack segment numbers are also indices into the __pthread_handles array. */
+/* Stack segment number 0 is reserved for the initial thread. */
+
+#if FLOATING_STACKS
+# define thread_segment(seq) NULL
+#else
+static inline pthread_descr thread_segment(int seg)
+{
+ return (pthread_descr)(THREAD_STACK_START_ADDRESS - (seg - 1) * STACK_SIZE)
+ - 1;
+}
+#endif
+
+/* Flag set in signal handler to record child termination */
+
+static volatile int terminated_children;
+
+/* Flag set when the initial thread is blocked on pthread_exit waiting
+ for all other threads to terminate */
+
+static int main_thread_exiting;
+
+/* Counter used to generate unique thread identifier.
+ Thread identifier is pthread_threads_counter + segment. */
+
+static pthread_t pthread_threads_counter;
+
+/* Forward declarations */
+
+static int pthread_handle_create(pthread_t *thread, const pthread_attr_t *attr,
+ void * (*start_routine)(void *), void *arg,
+ sigset_t *mask, int father_pid,
+ int report_events,
+ td_thr_events_t *event_maskp);
+static void pthread_handle_free(pthread_t th_id);
+static void pthread_handle_exit(pthread_descr issuing_thread, int exitcode)
+ __attribute__ ((noreturn));
+static void pthread_reap_children(void);
+static void pthread_kill_all_threads(int sig, int main_thread_also);
+static void pthread_for_each_thread(void *arg,
+ void (*fn)(void *, pthread_descr));
+
+/* The server thread managing requests for thread creation and termination */
+
+int
+__attribute__ ((noreturn))
+__pthread_manager(void *arg)
+{
+ int reqfd = (int) (long int) arg;
+ struct pollfd ufd;
+ sigset_t manager_mask;
+ int n;
+ struct pthread_request request;
+
+ /* If we have special thread_self processing, initialize it. */
+#ifdef INIT_THREAD_SELF
+ INIT_THREAD_SELF(&__pthread_manager_thread, 1);
+#endif
+ /* Set the error variable. */
+ __pthread_manager_thread.p_reentp = &__pthread_manager_thread.p_reent;
+ __pthread_manager_thread.p_h_errnop = &__pthread_manager_thread.p_h_errno;
+ /* Block all signals except __pthread_sig_cancel and SIGTRAP */
+ sigfillset(&manager_mask);
+ sigdelset(&manager_mask, __pthread_sig_cancel); /* for thread termination */
+ sigdelset(&manager_mask, SIGTRAP); /* for debugging purposes */
+ if (__pthread_threads_debug && __pthread_sig_debug > 0)
+ sigdelset(&manager_mask, __pthread_sig_debug);
+ sigprocmask(SIG_SETMASK, &manager_mask, NULL);
+ /* Raise our priority to match that of main thread */
+ __pthread_manager_adjust_prio(__pthread_main_thread->p_priority);
+ /* Synchronize debugging of the thread manager */
+ n = TEMP_FAILURE_RETRY(__libc_read(reqfd, (char *)&request,
+ sizeof(request)));
+ ASSERT(n == sizeof(request) && request.req_kind == REQ_DEBUG);
+ ufd.fd = reqfd;
+ ufd.events = POLLIN;
+ /* Enter server loop */
+ while(1) {
+ n = __poll(&ufd, 1, 2000);
+
+ /* Check for termination of the main thread */
+ if (getppid() == 1) {
+ pthread_kill_all_threads(SIGKILL, 0);
+ _exit(0);
+ }
+ /* Check for dead children */
+ if (terminated_children) {
+ terminated_children = 0;
+ pthread_reap_children();
+ }
+ /* Read and execute request */
+ if (n == 1 && (ufd.revents & POLLIN)) {
+ n = TEMP_FAILURE_RETRY(__libc_read(reqfd, (char *)&request,
+ sizeof(request)));
+#ifdef DEBUG
+ if (n < 0) {
+ char d[64];
+ write(STDERR_FILENO, d, snprintf(d, sizeof(d), "*** read err %m\n"));
+ } else if (n != sizeof(request)) {
+ write(STDERR_FILENO, "*** short read in manager\n", 26);
+ }
+#endif
+
+ switch(request.req_kind) {
+ case REQ_CREATE:
+ request.req_thread->p_retcode =
+ pthread_handle_create((pthread_t *) &request.req_thread->p_retval,
+ request.req_args.create.attr,
+ request.req_args.create.fn,
+ request.req_args.create.arg,
+ &request.req_args.create.mask,
+ request.req_thread->p_pid,
+ request.req_thread->p_report_events,
+ &request.req_thread->p_eventbuf.eventmask);
+ restart(request.req_thread);
+ break;
+ case REQ_FREE:
+ pthread_handle_free(request.req_args.free.thread_id);
+ break;
+ case REQ_PROCESS_EXIT:
+ pthread_handle_exit(request.req_thread,
+ request.req_args.exit.code);
+ /* NOTREACHED */
+ break;
+ case REQ_MAIN_THREAD_EXIT:
+ main_thread_exiting = 1;
+ /* Reap children in case all other threads died and the signal handler
+ went off before we set main_thread_exiting to 1, and therefore did
+ not do REQ_KICK. */
+ pthread_reap_children();
+
+ if (__pthread_main_thread->p_nextlive == __pthread_main_thread) {
+ restart(__pthread_main_thread);
+ /* The main thread will now call exit() which will trigger an
+ __on_exit handler, which in turn will send REQ_PROCESS_EXIT
+ to the thread manager. In case you are wondering how the
+ manager terminates from its loop here. */
+ }
+ break;
+ case REQ_POST:
+ __new_sem_post(request.req_args.post);
+ break;
+ case REQ_DEBUG:
+ /* Make gdb aware of new thread and gdb will restart the
+ new thread when it is ready to handle the new thread. */
+ if (__pthread_threads_debug && __pthread_sig_debug > 0)
+ raise(__pthread_sig_debug);
+ break;
+ case REQ_KICK:
+ /* This is just a prod to get the manager to reap some
+ threads right away, avoiding a potential delay at shutdown. */
+ break;
+ case REQ_FOR_EACH_THREAD:
+ pthread_for_each_thread(request.req_args.for_each.arg,
+ request.req_args.for_each.fn);
+ restart(request.req_thread);
+ break;
+ }
+ }
+ }
+}
+
+int __pthread_manager_event(void *arg)
+{
+ /* If we have special thread_self processing, initialize it. */
+#ifdef INIT_THREAD_SELF
+ INIT_THREAD_SELF(&__pthread_manager_thread, 1);
+#endif
+
+ /* Get the lock the manager will free once all is correctly set up. */
+ __pthread_lock (THREAD_GETMEM((&__pthread_manager_thread), p_lock), NULL);
+ /* Free it immediately. */
+ __pthread_unlock (THREAD_GETMEM((&__pthread_manager_thread), p_lock));
+
+ return __pthread_manager(arg);
+}
+
+/* Process creation */
+
+static int
+__attribute__ ((noreturn))
+pthread_start_thread(void *arg)
+{
+ pthread_descr self = (pthread_descr) arg;
+ struct pthread_request request;
+ void * outcome;
+#if HP_TIMING_AVAIL
+ hp_timing_t tmpclock;
+#endif
+ /* Initialize special thread_self processing, if any. */
+#ifdef INIT_THREAD_SELF
+ INIT_THREAD_SELF(self, self->p_nr);
+#endif
+#if HP_TIMING_AVAIL
+ HP_TIMING_NOW (tmpclock);
+ THREAD_SETMEM (self, p_cpuclock_offset, tmpclock);
+#endif
+ /* Make sure our pid field is initialized, just in case we get there
+ before our father has initialized it. */
+ THREAD_SETMEM(self, p_pid, __getpid());
+ /* Initial signal mask is that of the creating thread. (Otherwise,
+ we'd just inherit the mask of the thread manager.) */
+ sigprocmask(SIG_SETMASK, &self->p_start_args.mask, NULL);
+ /* Set the scheduling policy and priority for the new thread, if needed */
+ if (THREAD_GETMEM(self, p_start_args.schedpolicy) >= 0)
+ /* Explicit scheduling attributes were provided: apply them */
+ __sched_setscheduler(THREAD_GETMEM(self, p_pid),
+ THREAD_GETMEM(self, p_start_args.schedpolicy),
+ &self->p_start_args.schedparam);
+ else if (__pthread_manager_thread.p_priority > 0)
+ /* Default scheduling required, but thread manager runs in realtime
+ scheduling: switch new thread to SCHED_OTHER policy */
+ {
+ struct sched_param default_params;
+ default_params.sched_priority = 0;
+ __sched_setscheduler(THREAD_GETMEM(self, p_pid),
+ SCHED_OTHER, &default_params);
+ }
+ /* Make gdb aware of new thread */
+ if (__pthread_threads_debug && __pthread_sig_debug > 0) {
+ request.req_thread = self;
+ request.req_kind = REQ_DEBUG;
+ TEMP_FAILURE_RETRY(__libc_write(__pthread_manager_request,
+ (char *) &request, sizeof(request)));
+ suspend(self);
+ }
+ /* Run the thread code */
+ outcome = self->p_start_args.start_routine(THREAD_GETMEM(self,
+ p_start_args.arg));
+ /* Exit with the given return value */
+ __pthread_do_exit(outcome, CURRENT_STACK_FRAME);
+}
+
+static int
+__attribute__ ((noreturn))
+pthread_start_thread_event(void *arg)
+{
+ pthread_descr self = (pthread_descr) arg;
+
+#ifdef INIT_THREAD_SELF
+ INIT_THREAD_SELF(self, self->p_nr);
+#endif
+ /* Make sure our pid field is initialized, just in case we get there
+ before our father has initialized it. */
+ THREAD_SETMEM(self, p_pid, __getpid());
+ /* Get the lock the manager will free once all is correctly set up. */
+ __pthread_lock (THREAD_GETMEM(self, p_lock), NULL);
+ /* Free it immediately. */
+ __pthread_unlock (THREAD_GETMEM(self, p_lock));
+
+ /* Continue with the real function. */
+ pthread_start_thread (arg);
+}
+
+static int pthread_allocate_stack(const pthread_attr_t *attr,
+ pthread_descr default_new_thread,
+ int pagesize,
+ pthread_descr * out_new_thread,
+ char ** out_new_thread_bottom,
+ char ** out_guardaddr,
+ size_t * out_guardsize)
+{
+ pthread_descr new_thread;
+ char * new_thread_bottom;
+ char * guardaddr;
+ size_t stacksize, guardsize;
+
+ if (attr != NULL && attr->__stackaddr_set)
+ {
+#ifdef _STACK_GROWS_UP
+ /* The user provided a stack. */
+ new_thread = (pthread_descr) attr->__stackaddr;
+ new_thread_bottom = (char *) (new_thread + 1);
+ guardaddr = attr->__stackaddr + attr->__stacksize;
+ guardsize = 0;
+#else
+ /* The user provided a stack. For now we interpret the supplied
+ address as 1 + the highest addr. in the stack segment. If a
+ separate register stack is needed, we place it at the low end
+ of the segment, relying on the associated stacksize to
+ determine the low end of the segment. This differs from many
+ (but not all) other pthreads implementations. The intent is
+ that on machines with a single stack growing toward higher
+ addresses, stackaddr would be the lowest address in the stack
+ segment, so that it is consistently close to the initial sp
+ value. */
+ new_thread =
+ (pthread_descr) ((long)(attr->__stackaddr) & -sizeof(void *)) - 1;
+ new_thread_bottom = (char *) attr->__stackaddr - attr->__stacksize;
+ guardaddr = new_thread_bottom;
+ guardsize = 0;
+#endif
+#ifndef THREAD_SELF
+ __pthread_nonstandard_stacks = 1;
+#endif
+ /* Clear the thread data structure. */
+ memset (new_thread, '\0', sizeof (*new_thread));
+ }
+ else
+ {
+#ifdef NEED_SEPARATE_REGISTER_STACK
+ size_t granularity = 2 * pagesize;
+ /* Try to make stacksize/2 a multiple of pagesize */
+#else
+ size_t granularity = pagesize;
+#endif
+ void *map_addr;
+
+ /* Allocate space for stack and thread descriptor at default address */
+#if FLOATING_STACKS
+ if (attr != NULL)
+ {
+ guardsize = page_roundup (attr->__guardsize, granularity);
+ stacksize = __pthread_max_stacksize - guardsize;
+ stacksize = MIN (stacksize,
+ page_roundup (attr->__stacksize, granularity));
+ }
+ else
+ {
+ guardsize = granularity;
+ stacksize = __pthread_max_stacksize - guardsize;
+ }
+
+ map_addr = mmap(NULL, stacksize + guardsize,
+ PROT_READ | PROT_WRITE | PROT_EXEC,
+ MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ if (map_addr == MAP_FAILED)
+ /* No more memory available. */
+ return -1;
+
+# ifdef NEED_SEPARATE_REGISTER_STACK
+ guardaddr = map_addr + stacksize / 2;
+ if (guardsize > 0)
+ mprotect (guardaddr, guardsize, PROT_NONE);
+
+ new_thread_bottom = (char *) map_addr;
+ new_thread = ((pthread_descr) (new_thread_bottom + stacksize
+ + guardsize)) - 1;
+# elif _STACK_GROWS_DOWN
+ guardaddr = map_addr;
+ if (guardsize > 0)
+ mprotect (guardaddr, guardsize, PROT_NONE);
+
+ new_thread_bottom = (char *) map_addr + guardsize;
+ new_thread = ((pthread_descr) (new_thread_bottom + stacksize)) - 1;
+# elif _STACK_GROWS_UP
+ guardaddr = map_addr + stacksize;
+ if (guardsize > 0)
+ mprotect (guardaddr, guardsize, PROT_NONE);
+
+ new_thread = (pthread_descr) map_addr;
+ new_thread_bottom = (char *) (new_thread + 1);
+# else
+# error You must define a stack direction
+# endif /* Stack direction */
+#else /* !FLOATING_STACKS */
+ void *res_addr;
+
+ if (attr != NULL)
+ {
+ guardsize = page_roundup (attr->__guardsize, granularity);
+ stacksize = STACK_SIZE - guardsize;
+ stacksize = MIN (stacksize,
+ page_roundup (attr->__stacksize, granularity));
+ }
+ else
+ {
+ guardsize = granularity;
+ stacksize = STACK_SIZE - granularity;
+ }
+
+# ifdef NEED_SEPARATE_REGISTER_STACK
+ new_thread = default_new_thread;
+ new_thread_bottom = (char *) (new_thread + 1) - stacksize - guardsize;
+ /* Includes guard area, unlike the normal case. Use the bottom
+ end of the segment as backing store for the register stack.
+ Needed on IA64. In this case, we also map the entire stack at
+ once. According to David Mosberger, that's cheaper. It also
+ avoids the risk of intermittent failures due to other mappings
+ in the same region. The cost is that we might be able to map
+ slightly fewer stacks. */
+
+ /* First the main stack: */
+ map_addr = (caddr_t)((char *)(new_thread + 1) - stacksize / 2);
+ res_addr = mmap(map_addr, stacksize / 2,
+ PROT_READ | PROT_WRITE | PROT_EXEC,
+ MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ if (res_addr != map_addr)
+ {
+ /* Bad luck, this segment is already mapped. */
+ if (res_addr != MAP_FAILED)
+ munmap(res_addr, stacksize / 2);
+ return -1;
+ }
+ /* Then the register stack: */
+ map_addr = (caddr_t)new_thread_bottom;
+ res_addr = mmap(map_addr, stacksize/2,
+ PROT_READ | PROT_WRITE | PROT_EXEC,
+ MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ if (res_addr != map_addr)
+ {
+ if (res_addr != MAP_FAILED)
+ munmap(res_addr, stacksize / 2);
+ munmap((caddr_t)((char *)(new_thread + 1) - stacksize/2),
+ stacksize/2);
+ return -1;
+ }
+
+ guardaddr = new_thread_bottom + stacksize/2;
+ /* We leave the guard area in the middle unmapped. */
+# else /* !NEED_SEPARATE_REGISTER_STACK */
+# ifdef _STACK_GROWS_DOWN
+ new_thread = default_new_thread;
+ new_thread_bottom = (char *) (new_thread + 1) - stacksize;
+ map_addr = new_thread_bottom - guardsize;
+ res_addr = mmap(map_addr, stacksize + guardsize,
+ PROT_READ | PROT_WRITE | PROT_EXEC,
+ MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ if (res_addr != map_addr)
+ {
+ /* Bad luck, this segment is already mapped. */
+ if (res_addr != MAP_FAILED)
+ munmap (res_addr, stacksize + guardsize);
+ return -1;
+ }
+
+ /* We manage to get a stack. Protect the guard area pages if
+ necessary. */
+ guardaddr = map_addr;
+ if (guardsize > 0)
+ mprotect (guardaddr, guardsize, PROT_NONE);
+# else
+ /* The thread description goes at the bottom of this area, and
+ * the stack starts directly above it.
+ */
+ new_thread = (pthread_descr)((unsigned long)default_new_thread &~ (STACK_SIZE - 1));
+ map_addr = mmap(new_thread, stacksize + guardsize,
+ PROT_READ | PROT_WRITE | PROT_EXEC,
+ MAP_FIXED | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
+ if (map_addr == MAP_FAILED)
+ return -1;
+
+ new_thread_bottom = map_addr + sizeof(*new_thread);
+ guardaddr = map_addr + stacksize;
+ if (guardsize > 0)
+ mprotect (guardaddr, guardsize, PROT_NONE);
+
+# endif /* stack direction */
+# endif /* !NEED_SEPARATE_REGISTER_STACK */
+#endif /* !FLOATING_STACKS */
+ }
+ *out_new_thread = new_thread;
+ *out_new_thread_bottom = new_thread_bottom;
+ *out_guardaddr = guardaddr;
+ *out_guardsize = guardsize;
+ return 0;
+}
+
+static int pthread_handle_create(pthread_t *thread, const pthread_attr_t *attr,
+ void * (*start_routine)(void *), void *arg,
+ sigset_t * mask, int father_pid,
+ int report_events,
+ td_thr_events_t *event_maskp)
+{
+ size_t sseg;
+ int pid;
+ pthread_descr new_thread;
+ char * new_thread_bottom;
+ pthread_t new_thread_id;
+ char *guardaddr = NULL;
+ size_t guardsize = 0;
+ int pagesize = __getpagesize();
+
+ /* First check whether we have to change the policy and if yes, whether
+ we can do this. Normally this should be done by examining the
+ return value of the __sched_setscheduler call in pthread_start_thread
+ but this is hard to implement. FIXME */
+ if (attr != NULL && attr->__schedpolicy != SCHED_OTHER && geteuid () != 0)
+ return EPERM;
+ /* Find a free segment for the thread, and allocate a stack if needed */
+ for (sseg = 2; ; sseg++)
+ {
+ if (sseg >= PTHREAD_THREADS_MAX)
+ return EAGAIN;
+ if (__pthread_handles[sseg].h_descr != NULL)
+ continue;
+ if (pthread_allocate_stack(attr, thread_segment(sseg),
+ pagesize,
+ &new_thread, &new_thread_bottom,
+ &guardaddr, &guardsize) == 0)
+ break;
+ }
+ __pthread_handles_num++;
+ /* Allocate new thread identifier */
+ pthread_threads_counter += PTHREAD_THREADS_MAX;
+ new_thread_id = sseg + pthread_threads_counter;
+ /* Initialize the thread descriptor. Elements which have to be
+ initialized to zero already have this value. */
+ new_thread->p_tid = new_thread_id;
+ new_thread->p_lock = &(__pthread_handles[sseg].h_lock);
+ new_thread->p_cancelstate = PTHREAD_CANCEL_ENABLE;
+ new_thread->p_canceltype = PTHREAD_CANCEL_DEFERRED;
+ new_thread->p_reentp = &new_thread->p_reent;
+ _REENT_INIT_PTR(new_thread->p_reentp);
+ new_thread->p_h_errnop = &new_thread->p_h_errno;
+ new_thread->p_resp = &new_thread->p_res;
+ new_thread->p_guardaddr = guardaddr;
+ new_thread->p_guardsize = guardsize;
+ new_thread->p_header.data.self = new_thread;
+ new_thread->p_nr = sseg;
+ new_thread->p_inheritsched = attr ? attr->__inheritsched : 0;
+ /* Initialize the thread handle */
+ __pthread_init_lock(&__pthread_handles[sseg].h_lock);
+ __pthread_handles[sseg].h_descr = new_thread;
+ __pthread_handles[sseg].h_bottom = new_thread_bottom;
+ /* Determine scheduling parameters for the thread */
+ new_thread->p_start_args.schedpolicy = -1;
+ if (attr != NULL) {
+ new_thread->p_detached = attr->__detachstate;
+ new_thread->p_userstack = attr->__stackaddr_set;
+
+ switch(attr->__inheritsched) {
+ case PTHREAD_EXPLICIT_SCHED:
+ new_thread->p_start_args.schedpolicy = attr->__schedpolicy;
+ memcpy (&new_thread->p_start_args.schedparam, &attr->__schedparam,
+ sizeof (struct sched_param));
+ break;
+ case PTHREAD_INHERIT_SCHED:
+ new_thread->p_start_args.schedpolicy = __sched_getscheduler(father_pid);
+ __sched_getparam(father_pid, &new_thread->p_start_args.schedparam);
+ break;
+ }
+ new_thread->p_priority =
+ new_thread->p_start_args.schedparam.sched_priority;
+ }
+ /* Finish setting up arguments to pthread_start_thread */
+ new_thread->p_start_args.start_routine = start_routine;
+ new_thread->p_start_args.arg = arg;
+ new_thread->p_start_args.mask = *mask;
+ /* Make the new thread ID available already now. If any of the later
+ functions fail we return an error value and the caller must not use
+ the stored thread ID. */
+ *thread = new_thread_id;
+ /* Raise priority of thread manager if needed */
+ __pthread_manager_adjust_prio(new_thread->p_priority);
+ /* Do the cloning. We have to use two different functions depending
+ on whether we are debugging or not. */
+ pid = 0; /* Note that the thread never can have PID zero. */
+ if (report_events)
+ {
+ /* See whether the TD_CREATE event bit is set in any of the
+ masks. */
+ int idx = __td_eventword (TD_CREATE);
+ uint32_t mask = __td_eventmask (TD_CREATE);
+
+ if ((mask & (__pthread_threads_events.event_bits[idx]
+ | event_maskp->event_bits[idx])) != 0)
+ {
+ /* Lock the mutex the child will use now so that it will stop. */
+ __pthread_lock(new_thread->p_lock, NULL);
+
+ /* We have to report this event. */
+#ifdef NEED_SEPARATE_REGISTER_STACK
+ /* Perhaps this version should be used on all platforms. But
+ this requires that __clone2 be uniformly supported
+ everywhere.
+
+ And there is some argument for changing the __clone2
+ interface to pass sp and bsp instead, making it more IA64
+ specific, but allowing stacks to grow outward from each
+ other, to get less paging and fewer mmaps. */
+ pid = __clone2(pthread_start_thread_event,
+ (void **)new_thread_bottom,
+ (char *)new_thread - new_thread_bottom,
+ CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND |
+ __pthread_sig_cancel, new_thread);
+#elif _STACK_GROWS_UP
+ pid = __clone(pthread_start_thread_event, (void **) new_thread_bottom,
+ CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND |
+ __pthread_sig_cancel, new_thread);
+#else
+ pid = __clone(pthread_start_thread_event, (void **) new_thread,
+ CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND |
+ __pthread_sig_cancel, new_thread);
+#endif
+ if (pid != -1)
+ {
+ /* Now fill in the information about the new thread in
+ the newly created thread's data structure. We cannot let
+ the new thread do this since we don't know whether it was
+ already scheduled when we send the event. */
+ new_thread->p_eventbuf.eventdata = new_thread;
+ new_thread->p_eventbuf.eventnum = TD_CREATE;
+ __pthread_last_event = new_thread;
+
+ /* We have to set the PID here since the callback function
+ in the debug library will need it and we cannot guarantee
+ the child got scheduled before the debugger. */
+ new_thread->p_pid = pid;
+
+ /* Now call the function which signals the event. */
+ __linuxthreads_create_event ();
+
+ /* Now restart the thread. */
+ __pthread_unlock(new_thread->p_lock);
+ }
+ }
+ }
+ if (pid == 0)
+ {
+#ifdef NEED_SEPARATE_REGISTER_STACK
+ pid = __clone2(pthread_start_thread,
+ (void **)new_thread_bottom,
+ (char *)new_thread - new_thread_bottom,
+ CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND |
+ __pthread_sig_cancel, new_thread);
+#elif _STACK_GROWS_UP
+ pid = __clone(pthread_start_thread, (void **) new_thread_bottom,
+ CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND |
+ __pthread_sig_cancel, new_thread);
+#else
+ pid = __clone(pthread_start_thread, (void **) new_thread,
+ CLONE_VM | CLONE_FS | CLONE_FILES | CLONE_SIGHAND |
+ __pthread_sig_cancel, new_thread);
+#endif /* !NEED_SEPARATE_REGISTER_STACK */
+ }
+ /* Check if cloning succeeded */
+ if (pid == -1) {
+ /* Free the stack if we allocated it */
+ if (attr == NULL || !attr->__stackaddr_set)
+ {
+#ifdef NEED_SEPARATE_REGISTER_STACK
+ size_t stacksize = ((char *)(new_thread->p_guardaddr)
+ - new_thread_bottom);
+ munmap((caddr_t)new_thread_bottom,
+ 2 * stacksize + new_thread->p_guardsize);
+#elif _STACK_GROWS_UP
+ size_t stacksize = guardaddr - (char *)new_thread;
+ munmap(new_thread, stacksize + guardsize);
+#else
+ size_t stacksize = (char *)(new_thread+1) - new_thread_bottom;
+ munmap(new_thread_bottom - guardsize, guardsize + stacksize);
+#endif
+ }
+ __pthread_handles[sseg].h_descr = NULL;
+ __pthread_handles[sseg].h_bottom = NULL;
+ __pthread_handles_num--;
+ return errno;
+ }
+ /* Insert new thread in doubly linked list of active threads */
+ new_thread->p_prevlive = __pthread_main_thread;
+ new_thread->p_nextlive = __pthread_main_thread->p_nextlive;
+ __pthread_main_thread->p_nextlive->p_prevlive = new_thread;
+ __pthread_main_thread->p_nextlive = new_thread;
+ /* Set pid field of the new thread, in case we get there before the
+ child starts. */
+ new_thread->p_pid = pid;
+ return 0;
+}
+
+
+/* Try to free the resources of a thread when requested by pthread_join
+ or pthread_detach on a terminated thread. */
+
+static void pthread_free(pthread_descr th)
+{
+ pthread_handle handle;
+ pthread_readlock_info *iter, *next;
+
+ ASSERT(th->p_exited);
+ /* Make the handle invalid */
+ handle = thread_handle(th->p_tid);
+ __pthread_lock(&handle->h_lock, NULL);
+ handle->h_descr = NULL;
+ handle->h_bottom = (char *)(-1L);
+ __pthread_unlock(&handle->h_lock);
+#ifdef FREE_THREAD
+ FREE_THREAD(th, th->p_nr);
+#endif
+ /* One fewer threads in __pthread_handles */
+ __pthread_handles_num--;
+
+ /* Destroy read lock list, and list of free read lock structures.
+ If the former is not empty, it means the thread exited while
+ holding read locks! */
+
+ for (iter = th->p_readlock_list; iter != NULL; iter = next)
+ {
+ next = iter->pr_next;
+ free(iter);
+ }
+
+ for (iter = th->p_readlock_free; iter != NULL; iter = next)
+ {
+ next = iter->pr_next;
+ free(iter);
+ }
+
+ /* If initial thread, nothing to free */
+ if (!th->p_userstack)
+ {
+ size_t guardsize = th->p_guardsize;
+ /* Free the stack and thread descriptor area */
+ char *guardaddr = th->p_guardaddr;
+#ifdef _STACK_GROWS_UP
+ size_t stacksize = guardaddr - (char *)th;
+ guardaddr = (char *)th;
+#else
+ /* Guardaddr is always set, even if guardsize is 0. This allows
+ us to compute everything else. */
+ size_t stacksize = (char *)(th+1) - guardaddr - guardsize;
+#ifdef NEED_SEPARATE_REGISTER_STACK
+ /* Take account of the register stack, which is below guardaddr. */
+ guardaddr -= stacksize;
+ stacksize *= 2;
+#endif
+#endif
+ /* Unmap the stack. */
+ munmap(guardaddr, stacksize + guardsize);
+ }
+}
+
+/* Handle threads that have exited */
+
+static void pthread_exited(pid_t pid)
+{
+ pthread_descr th;
+ int detached;
+ /* Find thread with that pid */
+ for (th = __pthread_main_thread->p_nextlive;
+ th != __pthread_main_thread;
+ th = th->p_nextlive) {
+ if (th->p_pid == pid) {
+ /* Remove thread from list of active threads */
+ th->p_nextlive->p_prevlive = th->p_prevlive;
+ th->p_prevlive->p_nextlive = th->p_nextlive;
+ /* Mark thread as exited, and if detached, free its resources */
+ __pthread_lock(th->p_lock, NULL);
+ th->p_exited = 1;
+ /* If we have to signal this event do it now. */
+ if (th->p_report_events)
+ {
+ /* See whether TD_REAP is in any of the mask. */
+ int idx = __td_eventword (TD_REAP);
+ uint32_t mask = __td_eventmask (TD_REAP);
+
+ if ((mask & (__pthread_threads_events.event_bits[idx]
+ | th->p_eventbuf.eventmask.event_bits[idx])) != 0)
+ {
+ /* Yep, we have to signal the reapage. */
+ th->p_eventbuf.eventnum = TD_REAP;
+ th->p_eventbuf.eventdata = th;
+ __pthread_last_event = th;
+
+ /* Now call the function to signal the event. */
+ __linuxthreads_reap_event();
+ }
+ }
+ detached = th->p_detached;
+ __pthread_unlock(th->p_lock);
+ if (detached)
+ pthread_free(th);
+ break;
+ }
+ }
+ /* If all threads have exited and the main thread is pending on a
+ pthread_exit, wake up the main thread and terminate ourselves. */
+ if (main_thread_exiting &&
+ __pthread_main_thread->p_nextlive == __pthread_main_thread) {
+ restart(__pthread_main_thread);
+ /* Same logic as REQ_MAIN_THREAD_EXIT. */
+ }
+}
+
+static void pthread_reap_children(void)
+{
+ pid_t pid;
+ int status;
+
+ while ((pid = __libc___waitpid(-1, &status, WNOHANG | __WCLONE)) > 0) {
+ pthread_exited(pid);
+ if (WIFSIGNALED(status)) {
+ /* If a thread died due to a signal, send the same signal to
+ all other threads, including the main thread. */
+ pthread_kill_all_threads(WTERMSIG(status), 1);
+ _exit(0);
+ }
+ }
+}
+
+/* Try to free the resources of a thread when requested by pthread_join
+ or pthread_detach on a terminated thread. */
+
+static void pthread_handle_free(pthread_t th_id)
+{
+ pthread_handle handle = thread_handle(th_id);
+ pthread_descr th;
+
+ __pthread_lock(&handle->h_lock, NULL);
+ if (nonexisting_handle(handle, th_id)) {
+ /* pthread_reap_children has deallocated the thread already,
+ nothing needs to be done */
+ __pthread_unlock(&handle->h_lock);
+ return;
+ }
+ th = handle->h_descr;
+ if (th->p_exited) {
+ __pthread_unlock(&handle->h_lock);
+ pthread_free(th);
+ } else {
+ /* The Unix process of the thread is still running.
+ Mark the thread as detached so that the thread manager will
+ deallocate its resources when the Unix process exits. */
+ th->p_detached = 1;
+ __pthread_unlock(&handle->h_lock);
+ }
+}
+
+/* Send a signal to all running threads */
+
+static void pthread_kill_all_threads(int sig, int main_thread_also)
+{
+ pthread_descr th;
+ for (th = __pthread_main_thread->p_nextlive;
+ th != __pthread_main_thread;
+ th = th->p_nextlive) {
+ kill(th->p_pid, sig);
+ }
+ if (main_thread_also) {
+ kill(__pthread_main_thread->p_pid, sig);
+ }
+}
+
+static void pthread_for_each_thread(void *arg,
+ void (*fn)(void *, pthread_descr))
+{
+ pthread_descr th;
+
+ for (th = __pthread_main_thread->p_nextlive;
+ th != __pthread_main_thread;
+ th = th->p_nextlive) {
+ fn(arg, th);
+ }
+
+ fn(arg, __pthread_main_thread);
+}
+
+/* Process-wide exit() */
+
+static void pthread_handle_exit(pthread_descr issuing_thread, int exitcode)
+{
+ pthread_descr th;
+ __pthread_exit_requested = 1;
+ __pthread_exit_code = exitcode;
+ /* A forced asynchronous cancellation follows. Make sure we won't
+ get stuck later in the main thread with a system lock being held
+ by one of the cancelled threads. Ideally one would use the same
+ code as in pthread_atfork(), but we can't distinguish system and
+ user handlers there. */
+ __flockfilelist();
+ /* Send the CANCEL signal to all running threads, including the main
+ thread, but excluding the thread from which the exit request originated
+ (that thread must complete the exit, e.g. calling atexit functions
+ and flushing stdio buffers). */
+ for (th = issuing_thread->p_nextlive;
+ th != issuing_thread;
+ th = th->p_nextlive) {
+ kill(th->p_pid, __pthread_sig_cancel);
+ }
+ /* Now, wait for all these threads, so that they don't become zombies
+ and their times are properly added to the thread manager's times. */
+ for (th = issuing_thread->p_nextlive;
+ th != issuing_thread;
+ th = th->p_nextlive) {
+ __waitpid(th->p_pid, NULL, __WCLONE);
+ }
+ __fresetlockfiles();
+ restart(issuing_thread);
+ _exit(0);
+}
+
+/* Handler for __pthread_sig_cancel in thread manager thread */
+
+void __pthread_manager_sighandler(int sig)
+{
+ int kick_manager = terminated_children == 0 && main_thread_exiting;
+ terminated_children = 1;
+
+ /* If the main thread is terminating, kick the thread manager loop
+ each time some threads terminate. This eliminates a two second
+ shutdown delay caused by the thread manager sleeping in the
+ call to __poll(). Instead, the thread manager is kicked into
+ action, reaps the outstanding threads and resumes the main thread
+ so that it can complete the shutdown. */
+
+ if (kick_manager) {
+ struct pthread_request request;
+ request.req_thread = 0;
+ request.req_kind = REQ_KICK;
+ TEMP_FAILURE_RETRY(__libc_write(__pthread_manager_request,
+ (char *) &request, sizeof(request)));
+ }
+}
+
+/* Adjust priority of thread manager so that it always run at a priority
+ higher than all threads */
+
+void __pthread_manager_adjust_prio(int thread_prio)
+{
+ struct sched_param param;
+
+ if (thread_prio <= __pthread_manager_thread.p_priority) return;
+ param.sched_priority =
+ thread_prio < __sched_get_priority_max(SCHED_FIFO)
+ ? thread_prio + 1 : thread_prio;
+ __sched_setscheduler(__pthread_manager_thread.p_pid, SCHED_FIFO, &param);
+ __pthread_manager_thread.p_priority = thread_prio;
+}