1 /*
2 * Copyright (C) 2018 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <errno.h>
30 #include <pthread.h>
31 #include <signal.h>
32 #include <sys/syscall.h>
33 #include <unistd.h>
34
35 #include "private/bionic_defs.h"
36 #include "private/ErrnoRestorer.h"
37 #include "pthread_internal.h"
38
39 __BIONIC_WEAK_FOR_NATIVE_BRIDGE
pthread_sigqueue(pthread_t t,int sig,const union sigval value)40 int pthread_sigqueue(pthread_t t, int sig, const union sigval value) {
41 ErrnoRestorer errno_restorer;
42
43 pid_t tid = __pthread_internal_gettid(t, "pthread_sigqueue");
44 if (tid == -1) return ESRCH;
45
46 siginfo_t siginfo;
47 siginfo.si_code = SI_QUEUE;
48 siginfo.si_pid = getpid();
49 siginfo.si_uid = getuid();
50 siginfo.si_value = value;
51
52 return syscall(__NR_rt_tgsigqueueinfo, getpid(), tid, sig, &siginfo) ? errno : 0;
53 }
54