123 lines
3 KiB
C
123 lines
3 KiB
C
/* Multithread-safety test for gmtime_r().
|
|
Copyright (C) 2024-2025 Free Software Foundation, Inc.
|
|
|
|
This program is free software: you can redistribute it and/or modify
|
|
it under the terms of the GNU General Public License as published by
|
|
the Free Software Foundation, either version 3 of the License, or
|
|
(at your option) any later version.
|
|
|
|
This program 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 General Public License for more details.
|
|
|
|
You should have received a copy of the GNU General Public License
|
|
along with this program. If not, see <https://www.gnu.org/licenses/>. */
|
|
|
|
/* Written by Bruno Haible <bruno@clisp.org>, 2024. */
|
|
|
|
#include <config.h>
|
|
|
|
/* Work around GCC bug 44511. */
|
|
#if _GL_GNUC_PREREQ (4, 3)
|
|
# pragma GCC diagnostic ignored "-Wreturn-type"
|
|
#endif
|
|
|
|
#if USE_ISOC_THREADS || USE_POSIX_THREADS || USE_ISOC_AND_POSIX_THREADS || USE_WINDOWS_THREADS
|
|
|
|
/* Specification. */
|
|
#include <time.h>
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "glthread/thread.h"
|
|
#include "macros.h"
|
|
|
|
static void *
|
|
thread1_func (void *arg)
|
|
{
|
|
for (;;)
|
|
{
|
|
time_t t = 1509000003; /* 2017-10-26 06:40:03 */
|
|
struct tm tm;
|
|
struct tm *result = gmtime_r (&t, &tm);
|
|
ASSERT (result == &tm);
|
|
if (!(result->tm_sec == 3
|
|
&& result->tm_min == 40
|
|
&& result->tm_hour == 6
|
|
&& result->tm_mday == 26
|
|
&& result->tm_mon == 10 - 1
|
|
&& result->tm_year == 2017 - 1900
|
|
&& result->tm_wday == 4
|
|
&& result->tm_yday == 298
|
|
&& result->tm_isdst == 0))
|
|
{
|
|
fprintf (stderr, "thread1 disturbed by thread2!\n"); fflush (stderr);
|
|
abort ();
|
|
}
|
|
}
|
|
|
|
/*NOTREACHED*/
|
|
}
|
|
|
|
static void *
|
|
thread2_func (void *arg)
|
|
{
|
|
for (;;)
|
|
{
|
|
time_t t = 2000050005; /* 2033-05-18 17:26:45 */
|
|
struct tm tm;
|
|
struct tm *result = gmtime_r (&t, &tm);
|
|
ASSERT (result == &tm);
|
|
if (!(result->tm_sec == 45
|
|
&& result->tm_min == 26
|
|
&& result->tm_hour == 17
|
|
&& result->tm_mday == 18
|
|
&& result->tm_mon == 5 - 1
|
|
&& result->tm_year == 2033 - 1900
|
|
&& result->tm_wday == 3
|
|
&& result->tm_yday == 137
|
|
&& result->tm_isdst == 0))
|
|
{
|
|
fprintf (stderr, "thread2 disturbed by thread1!\n"); fflush (stderr);
|
|
abort ();
|
|
}
|
|
}
|
|
|
|
/*NOTREACHED*/
|
|
}
|
|
|
|
int
|
|
main (int argc, char *argv[])
|
|
{
|
|
/* Create the threads. */
|
|
gl_thread_create (thread1_func, NULL);
|
|
gl_thread_create (thread2_func, NULL);
|
|
|
|
/* Let them run for 1 second. */
|
|
{
|
|
struct timespec duration;
|
|
duration.tv_sec = (argc > 1 ? atoi (argv[1]) : 1);
|
|
duration.tv_nsec = 0;
|
|
|
|
nanosleep (&duration, NULL);
|
|
}
|
|
|
|
return test_exit_status;
|
|
}
|
|
|
|
#else
|
|
|
|
/* No multithreading available. */
|
|
|
|
#include <stdio.h>
|
|
|
|
int
|
|
main ()
|
|
{
|
|
fputs ("Skipping test: multithreading not enabled\n", stderr);
|
|
return 77;
|
|
}
|
|
|
|
#endif
|