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author | Jeff Johnston <jjohnstn@redhat.com> | 2002-05-30 20:51:03 +0000 |
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committer | Jeff Johnston <jjohnstn@redhat.com> | 2002-05-30 20:51:03 +0000 |
commit | 9d3629143e0c600e35858caf0494613a39a5d63c (patch) | |
tree | eb27a91bacdc83834ee0f7fe4cda251cbe12b73c /newlib/libc/sys/linux/sigqueue.c | |
parent | dfe569334ab9e5bfbb80d0aacf275fafa6a46afb (diff) | |
download | cygnal-9d3629143e0c600e35858caf0494613a39a5d63c.tar.gz cygnal-9d3629143e0c600e35858caf0494613a39a5d63c.tar.bz2 cygnal-9d3629143e0c600e35858caf0494613a39a5d63c.zip |
2002-05-30 Jeff Johnston <jjohnstn@redhat.com>
* libc/sys/linux/Makefile.am: Add support for new files.
* libc/sys/linux/Makefile.in: Regenerated.
* libc/sys/linux/ids.c: Add __getuid weak alias for getuid.
* libc/sys/linux/signal.c: Change to use real-time syscalls for
sigsuspend, sigprocmask, and sigpending. Also remove sigaction as
it is in a separate file now.
* libc/sys/linux/machine/i386/Makefile.am
* libc/sys/linux/machine/i386/Makefile.in
* libc/sys/linux/sys/signal.h: Add include of <bits/signum.h>.
* libc/sys/linux/sigaction.c: New file.
* libc/sys/linux/sigqueue.c: Ditto.
* libc/sys/linux/sigwait.c: Ditto.
* libc/sys/linux/machine/i386/sigaction.c: Ditto.
* libc/sys/linux/kernel_sigaction.h: Ditto.
Diffstat (limited to 'newlib/libc/sys/linux/sigqueue.c')
-rw-r--r-- | newlib/libc/sys/linux/sigqueue.c | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/newlib/libc/sys/linux/sigqueue.c b/newlib/libc/sys/linux/sigqueue.c new file mode 100644 index 000000000..60c4fed20 --- /dev/null +++ b/newlib/libc/sys/linux/sigqueue.c @@ -0,0 +1,56 @@ +/* Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* Modified for newlib by Jeff Johnston, May 30, 2002 */ + +#include <errno.h> +#include <signal.h> +#include <unistd.h> +#include <string.h> + +#include <machine/syscall.h> + +#define __NR___rt_sigqueueinfo __NR_rt_sigqueueinfo + +extern uid_t __getuid(); +extern pid_t __getpid(); + +static _syscall3(int,__rt_sigqueueinfo,int,pid,int,sig,siginfo_t *,info) + +/* Return any pending signal or wait for one for the given time. */ +int +__sigqueue (pid, sig, val) + pid_t pid; + int sig; + const union sigval val; +{ + siginfo_t info; + + /* First, clear the siginfo_t structure, so that we don't pass our + stack content to other tasks. */ + memset (&info, 0, sizeof (siginfo_t)); + /* We must pass the information about the data in a siginfo_t value. */ + info.si_signo = sig; + info.si_code = SI_QUEUE; + info.si_pid = __getpid (); + info.si_uid = __getuid (); + info.si_value = val; + + return __rt_sigqueueinfo(pid, sig, &info); +} +weak_alias (__sigqueue, sigqueue) |