granicus.if.org Git - strace/blob - tests/rt_tgsigqueueinfo.c

   1 /*
   2  * This file is part of rt_tgsigqueueinfo strace test.
   3  *
   4  * Copyright (c) 2016 Dmitry V. Levin <ldv@altlinux.org>
   5  * Copyright (c) 2016-2019 The strace developers.
   6  * All rights reserved.
   7  *
   8  * SPDX-License-Identifier: GPL-2.0-or-later
   9  */
  10
  11 #include "tests.h"
  12 #include "scno.h"
  13
  14 #ifdef __NR_rt_tgsigqueueinfo
  15
  16 # include <errno.h>
  17 # include <signal.h>
  18 # include <stdio.h>
  19 # include <string.h>
  20 # include <unistd.h>
  21
  22 static long
  23 k_tgsigqueueinfo(const pid_t pid, const int sig, const void *const info)
  24 {
  25         return syscall(__NR_rt_tgsigqueueinfo,
  26                        F8ILL_KULONG_MASK | pid,
  27                        F8ILL_KULONG_MASK | pid,
  28                        F8ILL_KULONG_MASK | sig,
  29                        info);
  30 }
  31
  32 int
  33 main(void)
  34 {
  35         const struct sigaction sa = {
  36                 .sa_handler = SIG_IGN
  37         };
  38         if (sigaction(SIGUSR1, &sa, NULL))
  39                 perror_msg_and_fail("sigaction");
  40
  41         TAIL_ALLOC_OBJECT_CONST_PTR(siginfo_t, info);
  42         memset(info, 0, sizeof(*info));
  43         info->si_signo = SIGUSR1;
  44         info->si_errno = ENOENT;
  45         info->si_code = SI_QUEUE;
  46         info->si_pid = getpid();
  47         info->si_uid = getuid();
  48         info->si_value.sival_ptr =
  49                 (void *) (unsigned long) 0xdeadbeeffacefeedULL;
  50
  51         if (k_tgsigqueueinfo(info->si_pid, SIGUSR1, info))
  52                 (errno == ENOSYS ? perror_msg_and_skip : perror_msg_and_fail)(
  53                         "rt_tgsigqueueinfo");
  54
  55         printf("rt_tgsigqueueinfo(%u, %u, %s, {si_signo=%s"
  56                 ", si_code=SI_QUEUE, si_errno=ENOENT, si_pid=%u"
  57                 ", si_uid=%u, si_value={int=%d, ptr=%p}}) = 0\n",
  58                 info->si_pid, info->si_pid, "SIGUSR1", "SIGUSR1",
  59                 info->si_pid, info->si_uid, info->si_value.sival_int,
  60                 info->si_value.sival_ptr);
  61
  62         puts("+++ exited with 0 +++");
  63         return 0;
  64 }
  65
  66 #else
  67
  68 SKIP_MAIN_UNDEFINED("__NR_rt_tgsigqueueinfo")
  69
  70 #endif