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* * cygmalloc.h (MALLOC_FAILURE_ACTION): Define empty.Corinna Vinschen2007-02-071-0/+23
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * cygwin.din (posix_madvise): Export. (posix_memalign): Export. * fhandler.cc (fhandler_base::fpathconf): Return useful values in _PC_VDISABLE, _PC_SYNC_IO and _PC_SYMLINK_MAX cases. * malloc_wrapper.cc (malloc): Set errno here since it's not set in dlmalloc.c anymore. (realloc): Ditto. (calloc): Ditto. (memalign): Ditto. (valloc): Ditto. (posix_memalign): New function. * mmap.cc (posix_madvise): New function. * sysconf.cc (get_open_max): New function. (get_page_size): Ditto. (get_nproc_values): Ditto. (get_avphys): Ditto. (sc_type): New type. (sca): New array to map _SC_xxx options to sysconf return values. (sysconf): Reimplement using sca array. * include/limits.h: Add all missing values as defined by SUSv3. * include/pthread.h (PTHREAD_DESTRUCTOR_ITERATIONS): Move definition to sys/limits.h. (PTHREAD_KEYS_MAX): Ditto. * include/semaphore.h (SEM_VALUE_MAX): Ditto. * include/cygwin/stdlib.h (posix_memalign): Declare. * include/cygwin/version.h: Bump API minor number. * include/sys/mman.h: Add posix_madvise flags. (posix_madvise): Declare. * include/sys/termios.h (_POSIX_VDISABLE): Move definition to sys/limits.h.
* * mmap.cc (list::hash): Fix type to __ino64_t.Corinna Vinschen2007-01-181-29/+31
| | | | | | | | | | | | | (list::get_hash): Ditto. (list::set): Add struct stat parameter. Use that instead of calling fstat. (map::get_list_by_fd): Ditto. (map::add_list): Ditto. (mmap_is_attached_or_noreserve): Call get_list_by_fd appropriately. (mmap_worker): Add pameters for map list and file stat information. Propagate to called functions. (mmap64): Use fstat on files early. Replace call to GetFileSize. Call get_list_by_fd and mmap_worker appropriately.
* * mmap.cc (MapView9x): Note possible uselessness of retrying.Corinna Vinschen2007-01-171-8/+23
| | | | | (MapViewNT): Ditto. (mmap64): Fix pre-reservation to work for non NULL, non MAP_FIXED.
* * mmap.cc (mmap64): Pre-Reserve space for the whole mapping to get aCorinna Vinschen2007-01-101-1/+25
| | | | | useful, valid address before the actual mappings take place. Fix typo in comment.
* * mmap.cc: Do bookkeeping in 4K pages, rather than in 64K chunks.Corinna Vinschen2007-01-091-18/+22
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* * cygheap.h (struct user_heap_info): Add slop member.Corinna Vinschen2006-10-311-2/+4
| | | | | | | | | | | | | | * heap.cc (heap_init): Add slop factor to heap allocation. Add comment. * mmap.cc (MapViewNT): Allocate memory maps top down. (fhandler_dev_zero::mmap): Ditto. * shared.cc (shared_info::heap_slop_size): New method. (shared_info::heap_chunk_size): Don't use debug_printf at early stage. * shared_info.h (SHARED_INFO_CB): Accomodate change to shared_info. (CURR_SHARED_MAGIC): Ditto. (class shared_info): Add heap_slop member. Declare heap_slop_size. * wincap.h: Define heapslop throughout. * wincap.cc: Ditto.
* 2006-07-25 Corinna Vinschen <corinna@vinschen.de>Corinna Vinschen2006-07-251-35/+55
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * include/cygwin/version.h: Bump DLL version to 1.7.0. 2006-07-25 Corinna Vinschen <corinna@vinschen.de> * select.h: Remove. * fhandler_socket.cc: Don't include select.h. * select.cc: Ditto. 2006-07-25 Corinna Vinschen <corinna@vinschen.de> * cygtls.h: Drop socket related includes. (struct _local_storage): Remove exitsock and exitsock_sin. Add select_sockevt. * cygtls.cc: Accomodate above change throughout. * fhandler.h (class fhandler_socket): Make wsock_evt public. * fhandler_socket.cc (fhandler_socket::fhandler_socket): Accomodate reordering members. (fhandler_socket::evaluate_events): Drop FD_CONNECT event as soon as it gets read once. Never remove FD_WRITE event here. (fhandler_socket::wait_for_events): Wait 50 ms instead of INFINITE for socket events. (fhandler_socket::accept): Fix conditional. Set wsock_events members of accepted socket to useful start values. (fhandler_socket::recv_internal): Always drop FD_READ/FD_OOB events from wsock_events after the call to WSARecvFrom. (fhandler_socket::send_internal): Drop FD_WRITE event from wsock_events if the call to WSASendTo fails with WSAEWOULDBLOCK. Fix return value condition. * select.cc (struct socketinf): Change to accomodate using socket event handling. (peek_socket): Use event handling for peeking socket. (thread_socket): Ditto. (start_thread_socket): Ditto. (socket_cleanup): Same here. * tlsoffsets.h: Regenerate. 2006-07-20 Corinna Vinschen <corinna@vinschen.de> * fhandler.h (class fhandler_socket): Rearrange slightly to keep event handling methods and members together. Drop owner status flag. Split wait method. Rename event handling methods for readability. * fhandler_socket.cc (struct wsa_event): Add owner field. (LOCK_EVENTS): New macro. (UNLOCK_EVENTS): Ditto. (fhandler_socket::init_events): rename from prepare. (fhandler_socket::evaluate_events): First half of former wait method. Do everything but wait. Allow specifiying whether or not events from event_mask should be erased from wsock_events->events. Simplify OOB handling. Allow sending SIGURG to any process (group). (fhandler_socket::wait_for_events): Second half of former wait method. Call evaluate_events and wait in a loop if socket is blocking. (fhandler_socket::release_events): Rename from release. (fhandler_socket::connect): Accomodate above name changes. (fhandler_socket::accept): Ditto. (fhandler_socket::recv_internal): Ditto. (fhandler_socket::send_internal): Ditto. (fhandler_socket::close): Ditto. (fhandler_socket::fcntl): Always set owner to given input value on F_SETOWN. Handle F_GETOWN. * net.cc (fdsock): Accomodate above name changes. 2006-07-20 Corinna Vinschen <corinna@vinschen.de> * fhandler_socket.cc (fhandler_socket::wait): Set Winsock errno to WSAEWOULDBLOCK instead of WSAEINPROGRESS. 2006-07-18 Brian Ford <Brian.Ford@FlightSafety.com> Corinna Vinschen <corinna@vinschen.de> * winsup.h (mmap_region_status): New enum. (mmap_is_attached_or_noreserve_page): Adjust prototype and rename as below. * mmap.cc (mmap_is_attached_or_noreserve_page): Rename mmap_is_attached_or_noreserve. Add region length parameter. Return enum above. * exceptions.cc (_cygtls::handle_exceptions): Accomodate above. * fhandler.cc (fhandler_base::raw_read): Call above for NOACCESS errors and retry on success to allow reads into untouched MAP_NORESERVE buffers. 2006-07-18 Corinna Vinschen <corinna@vinschen.de> * cygwin.din (posix_openpt): Export. * tty.cc (posix_openpt): New function. * include/cygwin/stdlib.h (posix_openpt): Declare. * include/cygwin/version.h: Bump API minor number. 2006-07-14 Corinna Vinschen <corinna@vinschen.de> * security.cc (get_token_group_sidlist): Always add the interactive group to the token. Add comment. Create logon_id group SID by copying it from incoming group list. (create_token): Add subauth_token parameter. Use information in subauth_token if present. Tweak SourceIdentifier if subauth_token is present for debugging purposes. * security.h (create_token): Add subauth_token parameter in declaration. * syscalls.cc (seteuid32): Call subauth first. Call create_token regardless. Use subauth token in call to create_token if subauth succeeded. 2006-07-13 Corinna Vinschen <corinna@vinschen.de> * include/netinet/in.h: Update copyright. 2006-07-13 Corinna Vinschen <corinna@vinschen.de> * fhandler_socket.cc (fhandler_socket::wait): Rework function so that WaitForMultipleObjects is really only called when necessary. 2006-07-12 Corinna Vinschen <corinna@vinschen.de> * include/netdb.h: Declare rcmd, rcmd_af, rexec, rresvport, rresvport_af, iruserok, iruserok_sa, ruserok. 2006-07-12 Corinna Vinschen <corinna@vinschen.de> * Makefile.in (DLL_OFILES): Drop iruserok.o. Add rcmd.o. * autoload.cc (rcmd): Drop definition. * cygwin.din: Export bindresvport, bindresvport_sa, iruserok_sa, rcmd_af, rresvport_af. * net.cc (cygwin_rcmd): Remove. (last_used_bindresvport): Rename from last_used_rrecvport. (cygwin_bindresvport_sa): New function implementing bindresvport_sa. (cygwin_bindresvport): New function implementing bindresvport. (cygwin_rresvport): Remove. * include/cygwin/version.h: Bump API minor number. * include/netinet/in.h: Declare bindresvport and bindresvport_sa. * libc/iruserok.c: Remove file. * libc/rcmd.cc: New file implementing rcmd, rcmd_af, rresvport, rresvport_af, iruserok_sa, iruserok and ruserok. 2006-07-12 Corinna Vinschen <corinna@vinschen.de> * fhandler_socket.cc (fhandler_socket::getsockname): Return valid result for unbound sockets. 2006-07-11 Corinna Vinschen <corinna@vinschen.de> * fhandler_socket.cc (fhandler_socket::fixup_after_fork): Handle wsock_mtx and wsock_evt on fork, thus handling close_on_exec correctly. (fhandler_socket::fixup_after_exec): Drop misguided attempt to handle close_on_exec here. (fhandler_socket::dup): Call fixup_after_fork with NULL parent. Add comment. (fhandler_socket::set_close_on_exec): Handle wsock_mtx and wsock_evt. 2006-07-10 Corinna Vinschen <corinna@vinschen.de> * fhandler.h (class fhandler_socket): Add wsock_mtx, wsock_evt and wsock_events members. Remove closed status flag, add listener status flag. Accomodate new implementation of socket event handling methods. Declare recv* and send* functions ssize_t as the POSIX equivalents. (fhandler_socket::recv_internal): Declare. (fhandler_socket::send_internal): Ditto. * fhandler_socket.cc (EVENT_MASK): Define mask of selected events. (fhandler_socket::fhandler_socket): Initialize new members. (fhandler_socket::af_local_setblocking): Don't actually set the socket to blocking mode. Keep sane event selection. (fhandler_socket::af_local_unsetblocking): Don't actually set the socket to previous blocking setting, just remember it. (struct wsa_event): New structure to keep event data per shared socket. (NUM_SOCKS): Define number of shared sockets concurrently handled by all active Cygwin processes. (wsa_events): New shared datastructure keeping all wsa_event records. (socket_serial_number): New shared variable to identify shared sockets. (wsa_slot_mtx): Global mutex to serialize wsa_events access. (search_wsa_event_slot): New static function to select a new wsa_event slot for a new socket. (fhandler_socket::prepare): Rewrite. Prepare event selection per new socket. (fhandler_socket::wait): Rewrite. Wait for socket events in thread safe and multiple process safe. (fhandler_socket::release): Rewrite. Close per-socket descriptor mutex handle and event handle. (fhandler_socket::dup): Duplicate wsock_mtx and wsock_evt. Fix copy-paste error in debug output. (fhandler_socket::connect): Accomodate new event handling. (fhandler_socket::listen): Set listener flag on successful listen. (fhandler_socket::accept): Accomodate new event handling. (fhandler_socket::recv_internal): New inline method centralizing common recv code. (fhandler_socket::recvfrom): Call recv_internal now. (fhandler_socket::recvmsg): Ditto. Streamline copying from iovec to WSABUF. (fhandler_socket::send_internal): New inline method centralizing common send code. (fhandler_socket::sendto): Call send_internal now. (fhandler_socket::sendmsg): Ditto. Streamline copying from iovec to WSABUF. (fhandler_socket::close): Call release now. (fhandler_socket::ioctl): Never actually switch to blocking mode. Just keep track of the setting. * net.cc (fdsock): Call prepare now. (cygwin_connect): Revert again to event driven technique. (cygwin_accept): Ditto. * poll.cc (poll): Don't call recvfrom on a listening socket. Remove special case for failing recvfrom. * include/sys/socket.h: Declare recv* and send* functions ssize_t as requested by POSIX. 2006-07-07 Corinna Vinschen <corinna@vinschen.de> * net.cc (cygwin_inet_ntop): Fix data type of forth parameter. 2006-07-06 Corinna Vinschen <corinna@vinschen.de> * include/cygwin/in6.h (struct in6_addr): Fix typo. 2006-07-06 Corinna Vinschen <corinna@vinschen.de> * cygwin.din: Export in6addr_any, in6addr_loopback, freeaddrinfo, gai_strerror, getaddrinfo, getnameinfo. * fhandler_socket.cc: Include cygwin/in6.h. (get_inet_addr): Accomodate AF_INET6 usage. (fhandler_socket::connect): Ditto. (fhandler_socket::listen): Ditto. (fhandler_socket::sendto): Ditto. * net.cc: Include cygwin/in6.h. (in6addr_any): Define. (in6addr_loopback): Define. (cygwin_socket): Accomodate AF_INET6 usage. (socketpair): Bind socketpairs only to loopback for security. (inet_pton4): New static function. (inet_pton6): Ditto. (cygwin_inet_pton): New AF_INET6 aware inet_pton implementation. (inet_ntop4): New static function. (inet_ntop6): Ditto. (cygwin_inet_ntop): New AF_INET6 aware inet_ntop implementation. (ga_aistruct): New static function. (ga_clone): Ditto. (ga_echeck): Ditto. (ga_nsearch): Ditto. (ga_port): Ditto. (ga_serv): Ditto. (ga_unix): Ditto. (gn_ipv46): Ditto. (ipv4_freeaddrinfo): Ditto. (ipv4_getaddrinfo): Ditto. (ipv4_getnameinfo): Ditto. (gai_errmap_t): New structure holding error code - error string mapping. (cygwin_gai_strerror): New function implementing gai_strerror. (w32_to_gai_err): New static function. (get_ipv6_funcs): Ditto. (load_ipv6_funcs): Ditto. (cygwin_freeaddrinfo): New function implementing freeaddrinfo. (cygwin_getaddrinfo): New function implementing getaddrinfo. (cygwin_getnameinfo): New function implementing getnameinfo. * include/netdb.h: Include stdint.h and cygwin/socket.h. Define data types and macros used by getaddrinfo and friends. Declare freeaddrinfo, gai_strerror, getaddrinfo and getnameinfo. * include/cygwin/in.h: Add IPv6 related IPPROTOs. Remove definition of struct sockaddr_in6. Include cygwin/in6.h instead. * include/cygwin/in6.h: New header file defining IPv6 releated data types and macros. * include/cygwin/socket.h: Enable AF_INET6 and PF_INET6. Add IPv6 related socket options. * include/cygwin/version.h: Bump API minor number. 2006-07-06 Corinna Vinschen <corinna@vinschen.de> * autoload.cc (DsGetDcNameA): Define. (NetGetAnyDCName): Define. * security.cc: Include dsgetdc.h. (DsGetDcNameA): Declare. (DS_FORCE_REDISCOVERY): Define. (get_logon_server): Add bool parameter to control rediscovery of DC. Use DsGetDcNameA function if supported, NetGetDCName/NetGetAnyDCName otherwise. (get_server_groups): Rediscover DC if get_user_groups fails and try again. (get_reg_security): Use correct error code macro when testing RegGetKeySecurity return value. * security.h (get_logon_server): Remove default vaue from wserver parameter. Add rediscovery parameter. * uinfo.cc (cygheap_user::env_logsrv): Accomodate rediscovery parameter in call to get_logon_server.
* * mmap.cc (msync): Disable rounding up len. Fix bug in access checkCorinna Vinschen2006-07-191-1/+3
| | | | loop.
* GCC 4.1 fixes.Christopher Faylor2006-07-171-2/+3
| | | | | | | | | | | | | | | | | | | * cygheap.h (cygheap_user): Remove unneeded class names from function declaration. * fhandler.h (fhandler_base): Ditto. (fhandler_dev_floppy): Ditto. (fhandler_console): Ditto. * wininfo.h (wininfo): Ditto. * exceptions.cc (sigpacket::process): Avoid compiler errors about gotos and initialization. * fhandler_fifo.cc (fhandler_fifo::open): Ditto. * fhandler_floppy.cc (fhandler_dev_floppy::ioctl): Ditto. * fhandler_tty.cc (fhandler_tty_slave::ioctl): Ditto. * mmap.cc (mmap64): Ditto. * pipe.cc (fhandler_pipe::open): Ditto. * spawn.cc (spawn_guts): Ditto. * sec_helper.cc: Fix some comments. (get_null_sd): Move file-scope static to only function where it is used.
* * mmap.cc (mmap64): Drop MAP_NORESERVE flag for non-anonymous,Corinna Vinschen2006-07-131-3/+10
| | | | | | | | non-private mappings. (mmap_record::unmap_pages): Only check noreserve flag which now implies anonymous and private. (mprotect): Ditto. (fixup_mmaps_after_fork): Ditto.
* * exceptions.cc (_cygtls::handle_exceptions): Call newCorinna Vinschen2006-07-131-12/+27
| | | | | | | | | | mmap_is_attached_or_noreserve_page function in case of access violation and allow application to retry access on noreserve pages. * mmap.cc (mmap_is_attached_or_noreserve_page): Changed from mmap_is_attached_page. Handle also noreserve pages now. Change comment accordingly. * winsup.h (mmap_is_attached_or_noreserve_page): Declare instead of mmap_is_attached_page.
* * mmap.cc (mmap_record::alloc_page_map): Don't call VirtualProtectCorinna Vinschen2006-07-121-1/+1
| | | | on maps created with MAP_NORESERVE.
* white spaceChristopher Faylor2006-05-281-1/+1
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* * Update copyrights.Corinna Vinschen2006-01-121-2/+2
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* * dcrt0.cc (dll_crt0_0): Remove call to wincap.init.Corinna Vinschen2006-01-101-5/+10
| | | | | | | | | | | | | | * init.cc (dll_entry): Rename is_wow64_proc to wow64_test_stack_marker. Call wincap.init here before doing anything else. Use wincap.is_wow64 to determine if we're running in a WOW64 emulator. * mmap.cc (MapViewNT): Don't use AT_ROUND_TO_PAGE in WOW64, it's apparently not supported. (mmap64): Don't create mappings beyond EOF, which would need to use AT_ROUND_TO_PAGE, on WOW64. * wincap.cc (wincap): Throw into the .cygwin_dll_common section. (wincapc::init): Determine if running in WOW64 and set wow_64 flag. * wincap.h (class wincapc): Add wow64 member. (wincapc::is_wow64): New method.
* whitespace cleanup to force snapshot.Christopher Faylor2005-12-221-36/+36
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* * mmap.cc (fhandler_dev_zero::mmap): Call VirtualFree(MEM_RELEASE)Corinna Vinschen2005-12-191-2/+2
| | | | | with zero length parameter, otherwise it fails. (fhandler_dev_zero::munmap): Ditto.
* * mmap.cc (fhandler_dev_zero::fixup_mmap_after_fork): UseCorinna Vinschen2005-12-151-3/+3
| | | | system_printf like any other fixup_mmap_after_fork.
* * mmap.cc (gen_create_protect): Always generate WRITECOPY protectionCorinna Vinschen2005-12-121-10/+12
| | | | | | for private maps. (fixup_mmaps_after_fork): Fix calculation of WRITECOPY protection for VirtualProtect. Add some words to the comment.
* * exceptions.cc (_cygtls::handle_exceptions): In case of aCorinna Vinschen2005-12-071-191/+443
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | STATUS_ACCESS_VIOLATION, check if the page is a mmaped page beyond a file's EOF. Generate SIGBUS instead of SIGSEGV then. * mmap.cc (__PROT_ATTACH): New define. (__PROT_FILLER): Ditto. (fh_anonymous): Rename from fh_paging_file; (fh_disk_file): New global static variable. (attached): New inline function. (filler): Ditto. (gen_create_protect): Split off from gen_protect to use the file's access mode to create mapping always with maximum allowed protections. (gen_protect): Accomodate pages attached beyond EOF. Use symbolic values instead of numerics when possible. Drop create parameter. (gen_access): Use file's access mode instead of protection. (CreateMapping9x): Create named mapping names so that different creation access modes result in different mappings. (CreateMappingNT): Only reserve attached pages, don't commit them. (MapViewNT): Ditto. Set AT_ROUND_TO_PAGE for all non-NULL base addresses. (mmap_func_t): Define CreateMapping and MapView function pointers with additional openflags parameter. (class mmap_record): Add openflags member. (mmap_record::mmap_record): Add openflags parameter. (mmap_record::get_openflags): New accessor. (mmap_record::attached): Call global attached function. (mmap_record::filler): Call global filler function. (mmap_record::gen_create_protect): Call global gen_create_protect function. (mmap_record::gen_protect): Drop create parameter. (mmap_record::alloc_fh): Set fhandler's access flags. (list::search_record): Accomodate filler pages. (list::set): Use inode number as hash value. (map::get_list_by_fd): Check hash value against file's inode number. (mmap_is_attached_page): New function to evaluate if a given address is on a attached page. Called from _cygtls::handle_exceptions. (mmap_worker): New function to do mapping and bookkeeping in a single call. (mmap64): Use roundup2 to round length to pagesize alignment. Initialize global fhandlers. Simplify anonymous initialization. Add SUSv3 compatible check of file open mode vs. requested protection. Try creating new file handles to allow maximum page protection. Allow creating attached pages in case of mapping beyond EOF. Close new file handle if one has been created. (munmap): Align len to pagesize. (msync): Rework argument checks. Align len to pagesize. (mprotect): Ditto. Accomodate attached pages. (mlock): Use roundup/rounddown macros instead of homemade expressions. (munlock): Add page alignment as in mlock. (fhandler_dev_zero::munmap): Fix unmapping of non-private mappings. (fhandler_dev_zero::fixup_mmap_after_fork): Accomodate filler pages. (fixup_mmaps_after_fork): Don't fail if attached pages couldn't be created in child. Avoid superfluous call to VirtualFree. Check for original allocation protection to fix PAGE_WRITECOPY protection. * ntdll.h: Revert deletion of AT_ROUND_TO_PAGE define. * winsup.h (mmap_is_attached_page): Declare.
* Remove unneeded whitespace.Christopher Faylor2005-12-051-6/+6
| | | | | | | | | | | | | | | | | * cygtls.cc (_cygtls::set_state): Delete. (_cygtls::reset_exception): Ditto. (_cygtls::init_thread): Set initialized state directly here. (_cygtls::push): Remove exception argument. Don't treat exceptions specially. * cygtls.h (_cygtls::push): Ditto. (_cygtls::isinitialized): Don't treat exceptions specially. (_cygtls::reset_exception): Delete. (_cygtls::set_state): Ditto. (_cygtls::handle_exceptions): Don't push ebp on the stack prior to calling sig_send. Just set incyg instead. (_cygtls::interrupt_setup): Accommodate _cygtls::push argument change. (_cygtls::interrupt_now): Ditto. (setup_handler): Don't treat exceptions specially. * gendef (longjmp): Always zero incyg flag.
* * mmap.cc: Make debug output more consistently. Fix some comments.Corinna Vinschen2005-12-011-36/+39
| | | | | | | | | | | (gen_protect): Convert to inline function. (gen_access): Ditto. (mmap_record::gen_protect): Add create parameter as in global function. (mmap_record::alloc_page_map): Change condition so that always the correct protection setting is set after mapping has been established. (mmap64): For anonymous mappings set offset always to 0. (fixup_mmaps_after_fork): Always call fixup_mmap_after_fork method with the MAP_FIXED flag set.
* * mmap.cc (list::try_map): New method, implementing trying to mapCorinna Vinschen2005-11-301-44/+59
| | | | | | | | within another already existing map, moved from mmap64 here. (mmap64): Just call try_map now. (fhandler_dev_zero::fixup_mmap_after_fork): Always create new private map with PAGE_READWRITE protection. (fixup_mmaps_after_fork): Fix comment.
* * fhandler.h (fhandler_dev_zero::mmap): Add method.Corinna Vinschen2005-11-291-89/+273
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (fhandler_dev_zero::munmap): Ditto. (fhandler_dev_zero::msync): Ditto. (fhandler_dev_zero::fixup_mmap_after_fork): Ditto. * mmap.cc: Implement anonymous mapping using fhandler_dev_zero class. Implement private anonymous maps using VirtualAlloc/VirtualFree. Fix or add some more comments. (fh_paging_file): Change to type fhandler_dev_zero. (priv): New static inline function to avoid having lots of flag bit tests in the code. Use throughout were appropriate. (fixed): Ditto. (anonymous): Ditto. (noreserve): Ditto. (autogrow): Ditto. (gen_protect): Never generate PAGE_WRITECOPY protection for private anonymous maps. (gen_access): Drop FILE_MAP_EXECUTE handling since it's not supported correctly on 9x. (VirtualProt9x): Move comment from mmap64 here. (mmap_record::mmap_record): Gegerate correct device entry for anonymous maps, though unused right now. (mmap_record::priv): Call global priv function. (mmap_record::fixed): Call global fixed function. (mmap_record::anonymous): Call global anonymous function. (mmap_record::noreserve): Call global noreserve function. (mmap_record::autogrow): Call global autogrow function. (list::anonymous): New method. Use throughout were appropriate. (mmap_record::compatible_flags): Drop now useless ifdef. (mmap_record::alloc_page_map): Accomodate private anonymous maps. (mmap_record::map_pages): Accomodate MAP_NORESERVE mappings. (mmap_record::unmap_pages): Accomodate private anonymous maps. (mmap64): Simplify argument check. Don't remove the MAP_PRIVATE flag for anonymous mappings on 9x anymore since that's now handled gracefully. (mprotect): Accomodate MAP_NORESERVE mappings. Fix case when non-mmap areas are just MEM_RESERVEd. (fhandler_dev_zero::mmap): Implement anonymous mapping here. (fhandler_dev_zero::munmap): Ditto. (fhandler_dev_zero::msyn): Ditto. (fhandler_dev_zero::fixup_mmap_after_fork): Ditto. (fixup_mmaps_after_fork): Accomodate private anonymous maps. Enhance debug output in case VirtualProtect fails. * include/sys/mman.h: Really define MAP_NORESERVE now.
* * autoload.cc (NtCreateSection): Define.Corinna Vinschen2005-11-281-599/+741
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * cygheap.cc (_csbrk): Call getpagesize instead of getshmlba. * dcrt0.cc (dll_crt0_0): Call mmap_init. * external.cc (cygwin_internal): Call getpagesize instead of getshmlba. * fhandler.h (fhandler_base::mmap): Change access to prot parameter. (fhandler_base::fixup_mmap_after_fork): Ditto. (fhandler_disk_file::mmap): Ditto. (fhandler_disk_file::fixup_mmap_after_fork): Ditto. (fhandler_dev_mem::mmap): Ditto. (fhandler_dev_mem::fixup_mmap_after_fork): Ditto. * fhandler_mem.cc (fhandler_dev_mem::write): Call getsystempagesize instead of getpagesize. (fhandler_dev_mem::read): Ditto. (fhandler_dev_mem::fstat): Ditto. (fhandler_dev_mem::mmap): Move to mmap.cc. (fhandler_dev_mem::munmap): Ditto. (fhandler_dev_mem::msync): Ditto. (fhandler_dev_mem::fixup_mmap_after_fork): Ditto. * fhandler_proc.cc (format_proc_meminfo): Call getsystempagesize instead of getpagesize. * fhandler_process.cc (format_process_stat): Ditto. (format_process_status): Ditto. (get_mem_values): Ditto. * mmap.cc: Fix formatting. Try to make more readable and modular. Take advantage of pagesize==granularity. (gen_protect): New static function to evaluate Windows protection bits from POSIX protection and flags. (gen_access): Ditto for Windows access mode. (VirtualProt9x): Wrapper function to call VirtualProtect on 9x. (VirtualProtNT): Ditto for NT. (VirtualProtEx9x): Ditto for VirtualProtectEx on 9x. (VirtualProtExNT): Ditto for NT. (CreateMapping9x): Wrapper function for creating a mapping handle on 9x. (CreateMappingNT): Ditto for NT. (MapView9x): Wrapper function to map a view on 9x. (MapViewNT): Ditto for NT. (mmap_funcs_9x): Structure containing function pointers to wrapper functions for 9x. (mmap_funcs_nt): Ditto for NT. (mmap_func): Pointer to wrapper functions used in subsequent code. (mmap_init): Initialize mmap_func depending on OS. (class mmap_record): Use sensible member names. Add POSIX protection member. Drop Windows access flags member. Constify more methods. Use accessors instead of direct member access inside of own methods. (mmap_record::gen_protect): Class wrapper to evaluate matching Windows protection bits. (mmap_record::gen_access): Ditto for Windows access flags. (mmap_record::compatible_flags): New function to check if flags are compatible with flags of existing map. (list::add_record): Drop offset and length arguments. (class map): Change counters to unsigned. Match usage throughout. (mmapped_areas): Convert from pointer to global struct. (mmap_record::alloc_page_map): Simplify. (mmap_record::map_pages): Ditto. (mmap_record::fixup_page_map): Delete. (mmap64): Simplify. Add workaround for Windows 98 bug. Fix bug on NT that existing anonymous mappings weren't searched for a match. (munmap): Add workaround for Windows 98 bug. (msync): Simplify. (mprotect): Handle existing maps correctly. (mlock): Add local pagesize variable and enlightening comment. (fhandler_disk_file::mmap): Main functionality now in CreateMapping/ MapView wrapper functions. (fhandler_disk_file::fixup_mmap_after_fork): Call MapView wrapper. (fhandler_dev_mem::mmap): Moved from fhandler_mem.cc. Simplify by calling MapViewNT. (fhandler_dev_mem::munmap): Moved from fhandler_mem.cc. (fhandler_dev_mem::msync): Ditto. (fhandler_dev_mem::fixup_mmap_after_fork): Ditto. Call MapViewNT. (fixup_mmaps_after_fork): Restructure and hopefully speed up loop for setting protection and memory content on MAP_PRIVATE maps. * ntdll.h (AT_ROUND_TO_PAGE): Remove define. (AT_EXTENDABLE_FILE): Add define. (NtCreateSection): Add prototype. * syscalls.cc (getpagesize): Return granularity as pagesize now. (getsystempagesize): New function to retrieve "real" pagesize. (getshmlba): Delete since it's replaced by getpagesize now. * wincap.h (wincaps::has_mmap_alignment_bug): New element. * wincap.cc: Implement above element throughout. * winsup.h (getshmlba): Drop prototype. (getsystempagesize): Add prototype. (mmap_init): Ditto. * include/sys/mman.h: (Not yet) define MAP_NORESERVE.
* * autoload.cc (NtLockVirtualMemory): Import.Corinna Vinschen2005-10-181-0/+92
| | | | | | | | | | | | | | | | | | | | | (NtUnlockVirtualMemory): Import. (GetProcessWorkingSetSize): Import. (SetProcessWorkingSetSize): Import. * cygwin.din (mlock): Export. (munlock): Export. * mmap.cc (mlock): New function. (munlock): Ditto. * ntdll.h (STATUS_WORKING_SET_QUOTA): Define. (LOCK_VM_IN_WSL): Define. (LOCK_VM_IN_RAM): Define. (NtLockVirtualMemory): Declare. (NtUnlockVirtualMemory): Declare. * sysconf.cc (sysconf): Implement _SC_MEMLOCK_RANGE. * wincap.h: Implement has_working_virtual_lock throughout. * wincap.cc: Ditto. * include/cygwin/version.h: Bump API minor version. * include/sys/mman.h (mlock): Declare, (munlock): Declare.
* Eliminate (void) cast on standalone function calls throughout.Christopher Faylor2005-07-061-1/+1
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* Change foo (void) to foo () for all c++ functions throughout. Remove allChristopher Faylor2005-07-051-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | fhandler_*::dump functions throughout. * fhandler.h (fhandler_dev_mem::close): Remove pass-through function in favor of virtual method. (handler_dev_raw::close): Ditto. (fhandler_dev_clipboard::fixup_after_exec): New method. * fhandler_dev_mem.cc (fhandler_dev_mem::close): Eliminate pass through * fhandler_dev_raw.cc (fhandler_dev_raw::close): Ditto. * fhandler_clipboard.cc (fhandler_dev_clipboard::close): Don't go to extra effort when execing. (fhandler_dev_clipboard::fixup_after_exec): New function. * fhandler_console.cc (fhandler_console::close): Don't do "extra stuff" when we know we're execing. * fhandler_disk_file.cc (fhandler_disk_file::close): Ditto. * fhandler_dsp.cc (fhandler_dev_dsp::close): Ditto. * fhandler_fifo.cc (fhandler_fifo.cc::close): Ditto. function in favor of base function. * fhandler_random.cc (fhandler_dev_random::close): Ditto. * fhandler_registry.cc (fhandler_registry::close): Ditto. * fhandler_tty.cc (fhandler_tty_slave::close): Ditto. * fhandler_virtual.cc (fhandler_virtual::close): Ditto. * pinfo.cc (proc_waiter): Remove unneeded hExeced declaration. * sigproc.cc: Ditto. * winsup.h (hExeced): Define here. * fhandler_virtual.cc (fhandler_virtual::fixup_after_exec): Just call close() to reinitialize things to known state.
* * mmap.cc (mmap64): Make granularity an automatic variable.Corinna Vinschen2005-05-191-1/+1
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* * mmap.cc (mmap64): Avoid compiler warning.Corinna Vinschen2005-05-181-1/+1
| | | | | * ntea.cc (NTReadEA): Ditto. * hires.h (hires_base): Remove useless usecs function.
* white space and minor comment cleanup.Christopher Faylor2005-05-021-13/+13
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* * cygerrno.h (__seterrno_from_nt_status): Define. Always set Win32Corinna Vinschen2005-04-131-2/+2
| | | | | | | | | | | | | | error code as well as errno. Use throughout where errno is set from NT status. (set_errno): Evaluate val only once. * fhandler_disk_file.cc (fhandler_base::fstat_by_handle): Fix typo in debug output. * fhandler_mem.cc (fhandler_dev_mem::open): Rely on __seterrno_from_nt_status setting Win32 error code in debug output. * fhandler_proc.cc (format_proc_uptime): Ditto. (format_proc_stat): Ditto. * fhandler_process.cc (format_process_stat): Ditto. * sysconf.cc (sysconf): Ditto.
* * mmap.cc (mmap64): Handle MAP_AUTOGROW flag.Corinna Vinschen2005-03-081-10/+59
| | | | | | (fhandler_disk_file::mmap): Ditto. Clean conditional for readability. * include/sys/mman.h: Add MAP_AUTOGROW flag. * include/cygwin/version.h: Bump API minor version.
* * fhandler_clipboard.cc (fhandler_dev_clipboard::write): Never setCorinna Vinschen2005-03-011-37/+42
| | | | | | | | | | | | | errno to 0. (fhandler_dev_clipboard::read): Ditto. * fhandler_windows.cc (fhandler_windows::read): Ditto. * scandir.cc (scandir): Ditto. * syscalls.cc (_fstat64_r): Ditto. (_fstat_r): Ditto. (_stat64_r): Ditto. (_stat_r): Ditto. * mmap.cc (mmap64): Fix /dev/zero mapping.
* * fhandler.h (class fhandler_base): Declare fixup_mmap_after_forkCorinna Vinschen2005-02-251-60/+134
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | with additional flags parameter. Change offset parameter to _off64_t. (class fhandler_disk_file): Ditto. (class fhandler_dev_mem): Ditto. * fhandler_mem.cc (fhandler_dev_mem::fixup_mmap_after_fork): Accomodate new parameters. * mmap.cc: Include ntdll.h. (class mmap_record): Add flags member. (mmap_record::mmap_record): Add flags parameter. (mmap_record::get_flags): New method. (class map): Add next_anon_addr member to store next anonymous mapping address suggestion. (map::get_next_anon_addr): New method. (map::set_next_anon_addr): New method. (mmap64): Don't align offset and length to granularity in case of MAP_ANONYMOUS on NT. Check for already existing mapping only on 9x. Call mmap_record::mmap_record with additional flags argument. (fhandler_base::fixup_mmap_after_fork): Accomodate new parameters. (fhandler_disk_file::mmap): Use NtMapViewOfSection with AT_ROUND_TO_PAGE flag for anonymous mappings on NT. If addr is NULL, try to map adjacent to previous mapping. (fhandler_disk_file::fixup_mmap_after_fork): Add flags argument. Change offset parameter to _off64_t. Use NtMapViewOfSection to re-create anonymous mappings on NT. (fixup_mmaps_after_fork): Accomodate new parameters when calling fhandler's fixup_mmaps_after_fork function. * ntdll.h (AT_ROUND_TO_PAGE): New define.
* * mmap.cc (mmap64): Handle MAP_FIXED request on non-granulationCorinna Vinschen2005-02-251-1/+5
| | | | boundary.
* * mmap.cc (class mmap_record): Declare new map_pages method withCorinna Vinschen2005-02-251-17/+93
| | | | | | | | | | address parameter. (mmap_record::map_pages): New method with address parameter. (mmap64): Evaluate access mode before checking if already existing mapping can be used. Only use existing mapping if requested access mode matches the one in the existing mapping. Add check for existing mapping for MAP_FIXED case.
* copyrightChristopher Faylor2005-02-201-1/+2
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* Reorganize header file inclusion throughout so that cygerrno.h comes first.Christopher Faylor2005-01-121-1/+1
| | | | | | | | | | * fhandler.h (select_record::thread_errno): Save any encountered errno here. (select_record::set_select_errno): New function. (select_record::saw_error): New function. (select_record::select_record): Initialize thread_errno to zero. * select.cc (set_handle_or_return_if_not_open): Set thread_errno on failure. (select_stuff::wait): Record errno for later resurrection in calling thread. (peek_serial): Ditto.
* * exceptions.cc: (ctrl_c_handler): Do nothing while a Cygwin subprocess isChristopher Faylor2004-09-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | starting. * child_info.h (init_child_info): Remove pid argument from declaration. * cygheap.h (init_cygheap::pid): New element. * dcrt0.cc (dll_crt0_0): Eliminate handling of now-noexistent cygpid parameter in child_info struct. Set forkee to 'true' rather than cygpid since the pid value was never used. (dll_crt0_1): Ditto. (_dll_crt0): Ditto. * fork.cc (fork_child): Don't wait for sigthread. This is handled in the fork call now. (fork_parent): Remove obsolete pid argument from init_child_info call. Don't do anything special with cygpid when DEBUGGING. (fork): Delay all signals during fork. (fork_init): Don't do anything special when DEBUGGING. * pinfo.cc (set_myself): Remove pid parameter. Use new pid field in cygheap. (pinfo_init): Don't pass pid argument to set_myself. * sigproc.cc (sig_send): Wait for dwProcessId to be non-zero as well as sendsig. (init_child_info): Eliminate handling of pid. (wait_sig): Implement method to temporarily hold off sending signals. * sigproc.h (__SIGHOLD): New enum. (__SIGNOHOLD): Ditto. * spawn.cc (spawn_guts): Remove obsolete pid argument from init_child_info call.
* Regularize most strace_prints throughout so that %E is always preceded by aChristopher Faylor2004-09-031-7/+6
| | | | comma and elminate most uses of "foo = %s" to "foo %s".
* * mmap.cc (mmap_record::alloc_page_map): Mark pages as allocated evenCorinna Vinschen2004-07-161-10/+13
| | | | on Windows 9x, FWIW.
* * mmap.cc (mprotect): When MAP_WRITE protection is requested, useCorinna Vinschen2004-07-151-2/+18
| | | | | READWRITE or WRITECOPY protection, whatever has been used when the page has been allocated initially.
* * mmap.cc (class mmap_record): Fix return type of get_offset.Corinna Vinschen2004-07-151-4/+4
| | | | | | (mmap_record::fixup_page_map): Fix off by one error. (list::search_record): Use long as type of "start" argument in both, declaration and definition. Use long as type for local variable "i".
* * miscfuncs.cc (check_invalid_virtual_addr): Assure the last pageCorinna Vinschen2004-02-261-1/+0
| | | | | in the range is always tested. Add appropriate const. * mmap.cc (mmap_record::aloc_fh): Remove unused static path_conf object.
* * miscfuncs.cc (check_invalid_virtual_addr): New function.Corinna Vinschen2004-02-251-1/+1
| | | | | | * winsup.h (check_invalid_virtual_addr): Declare. * mmap.cc (munmap): Call check_invalid_virtual_addr instead of IsBadReadPtr.
* * debug.h (console_printf): Define for non-debugging condition.Christopher Faylor2004-02-091-1/+1
| | | | | | | | | | | | | | * cygtls.h (_threadinfo::lock): Remove wait argument. (_threadinfo::interrupt_setup): Remove retaddr argument. * exceptions.cc (_threadinfo::interrupt_setup): Ditto. (_threadinfo::interrupt_now): Accommodate change to interrupt_setup argument. (setup_handler): Ditto. Always lock sig stack prior to determining interrupt method. * gendef (_sigfe): Correct thinko regarding cmpxchg. (_sigbe): Ditto. (_threadinfo::lock): Ditto. (_threadinfo::pop): Eliminate left-over stack unlock. * sigproc.cc (proc_subproc): Chnage debugging output to printed warning.
* Change use of BOOL, TRUE, FALSE to bool, true, false, as appropriate,Christopher Faylor2003-12-071-7/+7
| | | | | | | | | | | | | | | | | | | | | | | | | | | | throughout. * tty.cc (tty::common_init): Remove call to SetKernelObjectSecurity and edit some comments. * cygheap.h (init_cygheap::ctty): Add new element. * devices.in (device::parse): Remove special handling for /dev/tty. * devices.cc: Regenerate. * dtable.cc (build_fh_pc): Don't reset /dev/tty device. Let the device opener do that. * fhandler_termios.cc (tty_min::set_ctty): Redefine to _pinfo class. * fhandler_tty.cc (fhandler_tty_common::set_close_on_exec): Avoid setting noninherit flag for ctty. * tty.h: Move BOOLs to bools. (tty_min::set_ctty): Redeclare to _pinfo class. * pinfo.cc (_pinfo::set_ctty): Define new function based on tty_min::set_ctty. Change first argument from tty number to tty_min class. * pinfo.h (_pinfo::set_ctty): Declare. * fhandler_console.cc (fhandler_console::get_tty_stuff): Reflect move of set_ctty to _pinfo class. * fhandler_tty.cc (fhandler_tty_slave::open): Treat FH_TTY specially. Use saved cygheap value if it exists. Otherwise convert to real device and save on first time open. (fhandler_tty_common::dup): Potentially set controlling tty if duping a slave tty. * syscalls.cc (setsid): Close controlling tty in cygheap. * tty.cc: Change some BOOLs to bools.
* Substitute 0x7fffffff and 0xffffffff by INT32_MAX and UINT32_MAXCorinna Vinschen2003-12-031-1/+1
| | | | throughout, except in assembler code.
* Eliminate use of sigframe and sigthread throughout.Christopher Faylor2003-11-281-13/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Makefile.in (DLL_OFILES): Add sigfe.o. Remove reliance on cygwin.def from cygwin0.dll dependency since dependence on sigfe.o implies that. Generate def file on the fly using 'gendef'. * configure.in: Don't auto-generate cygwin.def. * configure: Regenerate. * cygwin.din: Add SIGFE stuff where appropriate. * dcrt0.cc (dll_crt0_1): Initialize cygwin tls early in process startup. Set _main_tls to address of the main thread's cygwin tls. * debug.h: Remove now unneeded WFSO and WFMO declarations. * exceptions.cc (_last_thread): Define. (set_thread_state_for_signals): New function. (reset_thread_exception_for_signals): Ditto. (init_thread_for_signals): Ditto. (delete_thread_for_signals): Ditto. (capture_thread_for_signals): Ditto. (handle_exceptions): Set return address explicitly for exceptions prior to calling sig_send. (interrupt_on_return): Eliminate. (setup_handler): Add preliminary implementation for dealing with thread-specific signals by querying _main_tls. (signal_exit): Use cygthread::main_thread_id instead of mainthread.id. (call_signal_handler_now): For now, just handle the main thread. * fork.cc (vfork): Save and restore main _my_tls. * gendef: New file. Generates def file and sigfe.s file. * gentls_offsets: New file. Generates offsets for perl to use in sigfe.s. * how-signals-work.txt: Mention that info is obsolete. * init.cc (dll_entry): Initialize cygwin tls storage here. * miscfuncs.cc (low_priority_sleep): Make a C function for easier calling from asm. * perthread.h (vfork_save::tls): New element. * signal.cc (nanosleep): Replace previous use of sigframe.call_signal_handler_now with straight call to call_signal_handler_now. (abort): Ditto. * syscalls.cc (readv): Ditto. * termios.cc (tcsetattr): Ditto. * wait.cc (wait4): Ditto. * sigproc.cc (sig_dispatch_pending): Ditto. (sig_send): Ditto. * sigproc.h: Declare call_signal_handler_now. * thread.cc (pthread::thread_init_wrapper): Initialize cygwin tls. Remove obsolete and unworking signal stuff. * thread.h (verifyable_object::sigs): Eliminate. (verifyable_object::sigmask): Eliminate. (verifyable_object::sigtodo): Eliminate. (verifyable_object::exit): Make attribute noreturn. (verifyable_object::thread_init_wrapper): Ditto. (pthread_null::exit): Ditto. * winbase.h (__stackbase): Always define. * winsup.h (low_priority_sleep): Declare as a "C" function. * include/cygwin/version.h: Bump API version to reflect sigwait export. * include/sys/queue.h: Protect SLIST_ENTRY from previous declaration. * signal.cc (sigwait): Implement. * select.cc (fhandler_base::ready_for_read): Add debugging output. * devices.h: Define more device pointers via their storage. * devices.in: Don't parse things like /dev/inet/tcp, as they really have no meaning. * devices.cc: Regenerate. * gendevices: Set proper protection for output file. * cygtls.h: New file. * gendef: New file. * gentls_offsets: New file. * tlsoffsets.h: New file. Autogenerated. * config/i386/longjmp.c: Remove. File subsumed by gendef output. * config/i386/makefrag: Remove obsolete file. * fhandler.cc: Remove spurious access_worker declaration. * spawn.cc (spawnve): Make debugging output more accurate. * cygwin-gperf: Remove. * devices.cc: Remove.
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