1 /* Copyright (C) 1997, 1998, 2000, 2003, 2005 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
4 The GNU C Library is free software; you can redistribute it and/or
5 modify it under the terms of the GNU Lesser General Public
6 License as published by the Free Software Foundation; either
7 version 2.1 of the License, or (at your option) any later version.
9 The GNU C Library is distributed in the hope that it will be useful,
10 but WITHOUT ANY WARRANTY; without even the implied warranty of
11 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 Lesser General Public License for more details.
14 You should have received a copy of the GNU Lesser General Public
15 License along with the GNU C Library; if not, see
16 <http://www.gnu.org/licenses/>. */
18 #include <sys/syscall.h>
20 #if defined __NR_rt_sigqueueinfo && defined __USE_POSIX199309
25 # define __NR___syscall_rt_sigqueueinfo __NR_rt_sigqueueinfo
26 static __always_inline _syscall3(int, __syscall_rt_sigqueueinfo, pid_t, pid, int, sig, void*, value)
28 /* Return any pending signal or wait for one for the given time. */
29 int sigqueue (pid_t pid, int sig, const union sigval val)
33 /* First, clear the siginfo_t structure, so that we don't pass our
34 stack content to other tasks. */
35 memset(&info, 0, sizeof(info));
36 /* We must pass the information about the data in a siginfo_t value. */
38 info.si_code = SI_QUEUE;
39 info.si_pid = getpid ();
40 info.si_uid = getuid ();
43 return __syscall_rt_sigqueueinfo(pid, sig, &info);