mirror of
git://sourceware.org/git/glibc.git
synced 2024-12-09 04:11:27 +08:00
115 lines
2.0 KiB
C
115 lines
2.0 KiB
C
|
#include <errno.h>
|
||
|
#include <pthread.h>
|
||
|
#include <stdio.h>
|
||
|
#include <stdlib.h>
|
||
|
#include <string.h>
|
||
|
#include <unistd.h>
|
||
|
#include <sys/wait.h>
|
||
|
|
||
|
|
||
|
static pid_t pid;
|
||
|
|
||
|
static void *
|
||
|
pid_thread (void *arg)
|
||
|
{
|
||
|
if (pid != getpid ())
|
||
|
{
|
||
|
printf ("pid wrong in thread: should be %d, is %d\n",
|
||
|
(int) pid, (int) getpid ());
|
||
|
return (void *) 1L;
|
||
|
}
|
||
|
|
||
|
return NULL;
|
||
|
}
|
||
|
|
||
|
static int
|
||
|
do_test (void)
|
||
|
{
|
||
|
pid = getpid ();
|
||
|
|
||
|
pthread_t thr;
|
||
|
int ret = pthread_create (&thr, NULL, pid_thread, NULL);
|
||
|
if (ret)
|
||
|
{
|
||
|
printf ("pthread_create failed: %d\n", ret);
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
void *thr_ret;
|
||
|
ret = pthread_join (thr, &thr_ret);
|
||
|
if (ret)
|
||
|
{
|
||
|
printf ("pthread_create failed: %d\n", ret);
|
||
|
return 1;
|
||
|
}
|
||
|
else if (thr_ret)
|
||
|
{
|
||
|
printf ("thread getpid failed\n");
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
pid_t child = fork ();
|
||
|
if (child == -1)
|
||
|
{
|
||
|
printf ("fork failed: %m\n");
|
||
|
return 1;
|
||
|
}
|
||
|
else if (child == 0)
|
||
|
{
|
||
|
if (pid == getpid ())
|
||
|
{
|
||
|
puts ("pid did not change after fork");
|
||
|
exit (1);
|
||
|
}
|
||
|
|
||
|
pid = getpid ();
|
||
|
ret = pthread_create (&thr, NULL, pid_thread, NULL);
|
||
|
if (ret)
|
||
|
{
|
||
|
printf ("pthread_create failed: %d\n", ret);
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
ret = pthread_join (thr, &thr_ret);
|
||
|
if (ret)
|
||
|
{
|
||
|
printf ("pthread_create failed: %d\n", ret);
|
||
|
return 1;
|
||
|
}
|
||
|
else if (thr_ret)
|
||
|
{
|
||
|
printf ("thread getpid failed\n");
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
int status;
|
||
|
if (TEMP_FAILURE_RETRY (waitpid (child, &status, 0)) != child)
|
||
|
{
|
||
|
puts ("waitpid failed");
|
||
|
kill (child, SIGKILL);
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
if (!WIFEXITED (status))
|
||
|
{
|
||
|
if (WIFSIGNALED (status))
|
||
|
printf ("died from signal %s\n", strsignal (WTERMSIG (status)));
|
||
|
else
|
||
|
puts ("did not terminate correctly");
|
||
|
return 1;
|
||
|
}
|
||
|
if (WEXITSTATUS (status) != 0)
|
||
|
{
|
||
|
printf ("exit code %d\n", WEXITSTATUS (status));
|
||
|
return 1;
|
||
|
}
|
||
|
|
||
|
return 0;
|
||
|
}
|
||
|
|
||
|
#define TEST_FUNCTION do_test ()
|
||
|
#include "../test-skeleton.c"
|