mirror of
				https://sourceware.org/git/glibc.git
				synced 2025-10-31 22:10:34 +03:00 
			
		
		
		
	
		
			
				
	
	
		
			81 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			81 lines
		
	
	
		
			2.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* Test for sigtimedwait timeout.
 | |
|    Copyright (C) 2021-2025 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
 | |
|    <https://www.gnu.org/licenses/>.  */
 | |
| 
 | |
| #include <time.h>
 | |
| #include <intprops.h>
 | |
| #include <errno.h>
 | |
| #include <signal.h>
 | |
| #include <support/check.h>
 | |
| #include <support/xtime.h>
 | |
| #include <support/timespec.h>
 | |
| #include <support/support.h>
 | |
| #include <stdbool.h>
 | |
| 
 | |
| static int
 | |
| test_sigtimedwait_timeout (bool zero_tmo)
 | |
| {
 | |
|   /* We wait for half a second.  */
 | |
|   struct timespec ts;
 | |
|   xclock_gettime (CLOCK_REALTIME, &ts);
 | |
|   struct timespec timeout = make_timespec (0, zero_tmo ? 0 : TIMESPEC_HZ/2);
 | |
|   ts = timespec_add (ts, timeout);
 | |
| 
 | |
|   /* Set sigset to just wait for timeout.  */
 | |
|   sigset_t ss_usr1;
 | |
|   sigemptyset (&ss_usr1);
 | |
|   sigaddset (&ss_usr1, SIGUSR1);
 | |
| 
 | |
|   int ret = sigtimedwait (&ss_usr1, NULL, &timeout);
 | |
|   if (ret != -1)
 | |
|     FAIL_EXIT1 ("sigtimedwait failed: %m\n");
 | |
| 
 | |
|   TEST_TIMESPEC_NOW_OR_AFTER (CLOCK_REALTIME, ts);
 | |
| 
 | |
|   return 0;
 | |
| }
 | |
| 
 | |
| static void
 | |
| test_sigtimedwait_large_timeout (void)
 | |
| {
 | |
|   support_create_timer (0, 100000000, false, NULL);
 | |
|   struct timespec ts = { TYPE_MAXIMUM (time_t), 0 };
 | |
| 
 | |
|   sigset_t ss_usr1;
 | |
|   sigemptyset (&ss_usr1);
 | |
|   sigaddset (&ss_usr1, SIGUSR1);
 | |
| 
 | |
|   TEST_COMPARE (sigtimedwait (&ss_usr1, NULL, &ts), -1);
 | |
|   TEST_VERIFY (errno == EINTR || errno == EOVERFLOW);
 | |
| }
 | |
| 
 | |
| static int
 | |
| do_test (void)
 | |
| {
 | |
|   /* Check if sigtimedwait exits immediately.  */
 | |
|   test_sigtimedwait_timeout (true);
 | |
| 
 | |
|   /* Check if sigtimedwait exits after specified timeout.  */
 | |
|   test_sigtimedwait_timeout (false);
 | |
| 
 | |
|   test_sigtimedwait_large_timeout ();
 | |
| 
 | |
|   return 0;
 | |
| }
 | |
| 
 | |
| #include <support/test-driver.c>
 |