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2b778ceb | 1 | /* Copyright (C) 1997-2021 Free Software Foundation, Inc. |
cbdee279 UD |
2 | This file is part of the GNU C Library. |
3 | ||
4 | The GNU C Library is free software; you can redistribute it and/or | |
41bdb6e2 AJ |
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. | |
cbdee279 UD |
8 | |
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 | |
41bdb6e2 | 12 | Lesser General Public License for more details. |
cbdee279 | 13 | |
41bdb6e2 | 14 | You should have received a copy of the GNU Lesser General Public |
59ba27a6 | 15 | License along with the GNU C Library; if not, see |
5a82c748 | 16 | <https://www.gnu.org/licenses/>. */ |
cbdee279 | 17 | |
0dee6738 | 18 | #include <errno.h> |
cbdee279 | 19 | #include <signal.h> |
e645ed3a | 20 | #include <string.h> |
6a4235f1 | 21 | #include <unistd.h> |
0dee6738 | 22 | #include <sysdep.h> |
0dee6738 | 23 | |
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24 | /* Return any pending signal or wait for one for the given time. */ |
25 | int | |
bd2260a2 | 26 | __sigqueue (pid_t pid, int sig, const union sigval val) |
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27 | { |
28 | siginfo_t info; | |
29 | ||
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30 | /* First, clear the siginfo_t structure, so that we don't pass our |
31 | stack content to other tasks. */ | |
32 | memset (&info, 0, sizeof (siginfo_t)); | |
cbdee279 UD |
33 | /* We must pass the information about the data in a siginfo_t value. */ |
34 | info.si_signo = sig; | |
cbdee279 | 35 | info.si_code = SI_QUEUE; |
fdacb17d | 36 | info.si_pid = __getpid (); |
a53bad16 | 37 | info.si_uid = __getuid (); |
cbdee279 UD |
38 | info.si_value = val; |
39 | ||
6a4235f1 | 40 | return INLINE_SYSCALL_CALL (rt_sigqueueinfo, pid, sig, &info); |
cbdee279 | 41 | } |
03e4219e | 42 | weak_alias (__sigqueue, sigqueue) |