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      1 /*
      2  * This file is part of timer_create strace test.
      3  *
      4  * Copyright (c) 2015-2016 Dmitry V. Levin <ldv (at) altlinux.org>
      5  * All rights reserved.
      6  *
      7  * Redistribution and use in source and binary forms, with or without
      8  * modification, are permitted provided that the following conditions
      9  * are met:
     10  * 1. Redistributions of source code must retain the above copyright
     11  *    notice, this list of conditions and the following disclaimer.
     12  * 2. Redistributions in binary form must reproduce the above copyright
     13  *    notice, this list of conditions and the following disclaimer in the
     14  *    documentation and/or other materials provided with the distribution.
     15  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     23  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     24  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     25  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     26  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     27  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     28  */
     29 
     30 #include "tests.h"
     31 #include <asm/unistd.h>
     32 
     33 #ifdef __NR_timer_create
     34 
     35 # include <stdio.h>
     36 # include <signal.h>
     37 # include <time.h>
     38 # include <unistd.h>
     39 # include "sigevent.h"
     40 
     41 int
     42 main(void)
     43 {
     44 	syscall(__NR_timer_create, CLOCK_REALTIME, NULL, NULL);
     45 	printf("timer_create(CLOCK_REALTIME, NULL, NULL) = -1 %s (%m)\n",
     46 	       errno2name());
     47 
     48 	int tid[4] = {};
     49 	struct_sigevent sev = {
     50 		.sigev_notify = 0xdefaced,
     51 		.sigev_signo = 0xfacefeed,
     52 		.sigev_value.sival_ptr = (unsigned long) 0xdeadbeefbadc0dedULL
     53 	};
     54 
     55 	syscall(__NR_timer_create, CLOCK_REALTIME, &sev, NULL);
     56 	printf("timer_create(CLOCK_REALTIME, {sigev_value={sival_int=%d, "
     57 	       "sival_ptr=%#lx}, sigev_signo=%u, "
     58 	       "sigev_notify=%#x /* SIGEV_??? */}, NULL) = -1 %s (%m)\n",
     59 	       sev.sigev_value.sival_int,
     60 	       sev.sigev_value.sival_ptr,
     61 	       sev.sigev_signo, sev.sigev_notify,
     62 	       errno2name());
     63 
     64 	sev.sigev_notify = SIGEV_NONE;
     65 	if (syscall(__NR_timer_create, CLOCK_REALTIME, &sev, &tid[0]))
     66 		perror_msg_and_skip("timer_create CLOCK_REALTIME");
     67 	printf("timer_create(CLOCK_REALTIME, {sigev_value={sival_int=%d, "
     68 	       "sival_ptr=%#lx}, sigev_signo=%u, sigev_notify=SIGEV_NONE}, "
     69 	       "[%d]) = 0\n",
     70 	       sev.sigev_value.sival_int,
     71 	       sev.sigev_value.sival_ptr,
     72 	       sev.sigev_signo, tid[0]);
     73 
     74 	sev.sigev_notify = SIGEV_SIGNAL;
     75 	sev.sigev_signo = SIGALRM;
     76 	if (syscall(__NR_timer_create, CLOCK_MONOTONIC, &sev, &tid[1]))
     77 		perror_msg_and_skip("timer_create CLOCK_MONOTONIC");
     78 	printf("timer_create(CLOCK_MONOTONIC, {sigev_value={sival_int=%d, "
     79 	       "sival_ptr=%#lx}, sigev_signo=SIGALRM, "
     80 	       "sigev_notify=SIGEV_SIGNAL}, [%d]) = 0\n",
     81 	       sev.sigev_value.sival_int,
     82 	       sev.sigev_value.sival_ptr, tid[1]);
     83 
     84 	sev.sigev_notify = SIGEV_THREAD;
     85 	sev.sigev_un.sigev_thread.function =
     86 		(unsigned long) 0xdeadbeefbadc0dedULL;
     87 	sev.sigev_un.sigev_thread.attribute =
     88 		(unsigned long) 0xcafef00dfacefeedULL;
     89 	if (syscall(__NR_timer_create, CLOCK_REALTIME, &sev, &tid[2]))
     90 		perror_msg_and_skip("timer_create CLOCK_REALTIME");
     91 	printf("timer_create(CLOCK_REALTIME, {sigev_value={sival_int=%d, "
     92 	       "sival_ptr=%#lx}, sigev_signo=SIGALRM, sigev_notify=SIGEV_THREAD"
     93 	       ", sigev_notify_function=%#lx, sigev_notify_attributes=%#lx}"
     94 	       ", [%d]) = 0\n",
     95 	       sev.sigev_value.sival_int,
     96 	       sev.sigev_value.sival_ptr,
     97 	       sev.sigev_un.sigev_thread.function,
     98 	       sev.sigev_un.sigev_thread.attribute,
     99 	       tid[2]);
    100 
    101 #ifndef SIGEV_THREAD_ID
    102 # define SIGEV_THREAD_ID 4
    103 #endif
    104 	sev.sigev_notify = SIGEV_THREAD_ID;
    105 	sev.sigev_un.tid = getpid();
    106 	if (syscall(__NR_timer_create, CLOCK_MONOTONIC, &sev, &tid[3]))
    107 		perror_msg_and_skip("timer_create CLOCK_MONOTONIC");
    108 	printf("timer_create(CLOCK_MONOTONIC, {sigev_value={sival_int=%d, "
    109 	       "sival_ptr=%#lx}, sigev_signo=SIGALRM, "
    110 	       "sigev_notify=SIGEV_THREAD_ID, sigev_notify_thread_id=%d}"
    111 	       ", [%d]) = 0\n",
    112 	       sev.sigev_value.sival_int,
    113 	       sev.sigev_value.sival_ptr,
    114 	       sev.sigev_un.tid,
    115 	       tid[3]);
    116 
    117 	puts("+++ exited with 0 +++");
    118 	return 0;
    119 }
    120 
    121 #else
    122 
    123 SKIP_MAIN_UNDEFINED("__NR_timer_create")
    124 
    125 #endif
    126