diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/gai_sigqueue.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/gai_sigqueue.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/gai_sigqueue.c b/sysdeps/unix/sysv/linux/gai_sigqueue.c new file mode 100644 index 0000000000..c9d686fde6 --- /dev/null +++ b/sysdeps/unix/sysv/linux/gai_sigqueue.c @@ -0,0 +1,58 @@ +/* Copyright (C) 2001 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 Library General Public License as + published by the Free Software Foundation; either version 2 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 + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the GNU C Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +#include <errno.h> +#include <netdb.h> +#include <signal.h> +#include <string.h> +#include <unistd.h> + +#include <sysdep.h> +#include <sys/syscall.h> + +#include "gai_misc.h" + +#ifdef __NR_rt_sigqueueinfo +extern int __syscall_rt_sigqueueinfo (int, int, siginfo_t *__unbounded); + + +/* Return any pending signal or wait for one for the given time. */ +int +__gai_sigqueue (sig, val, caller_pid) + int sig; + const union sigval val; + pid_t caller_pid; +{ + 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_ASYNCNL; + info.si_pid = caller_pid; + info.si_uid = getuid (); + info.si_value = val; + + return INLINE_SYSCALL (rt_sigqueueinfo, 3, info.si_pid, + sig, __ptrvalue (&info)); +} +#else +# include <sysdeps/generic/gai_sigqueue.c> +#endif |