| /* Copyright (C) 1997-2014 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, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <errno.h> |
| #include <signal.h> |
| #include <unistd.h> |
| #include <string.h> |
| |
| #include <sysdep.h> |
| #include <sys/syscall.h> |
| |
| #ifdef __NR_rt_sigqueueinfo |
| /* 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 INLINE_SYSCALL (rt_sigqueueinfo, 3, pid, sig, &info); |
| } |
| weak_alias (__sigqueue, sigqueue) |
| #else |
| # include <signal/sigqueue.c> |
| #endif |
