Permalink
Cannot retrieve contributors at this time
Name already in use
A tag already exists with the provided branch name. Many Git commands accept both tag and branch names, so creating this branch may cause unexpected behavior. Are you sure you want to create this branch?
glibc/nptl/tst-tsd6.c
Go to fileThis commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
89 lines (73 sloc)
1.54 KB
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
#include <errno.h> | |
#include <pthread.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <unistd.h> | |
#include <sys/wait.h> | |
#define NKEYS 100 | |
static pthread_key_t keys[NKEYS]; | |
static pthread_barrier_t b; | |
static void * | |
tf (void *arg) | |
{ | |
void *res = NULL; | |
for (int i = 0; i < NKEYS; ++i) | |
{ | |
void *p = pthread_getspecific (keys[i]); | |
pthread_setspecific (keys[i], (void *) 7); | |
if (p != NULL) | |
res = p; | |
} | |
if (arg != NULL) | |
{ | |
pthread_barrier_wait (arg); | |
pthread_barrier_wait (arg); | |
} | |
return res; | |
} | |
static int | |
do_test (void) | |
{ | |
pthread_barrier_init (&b, NULL, 2); | |
for (int i = 0; i < NKEYS; ++i) | |
if (pthread_key_create (&keys[i], NULL) != 0) | |
{ | |
puts ("cannot create keys"); | |
return 1; | |
} | |
pthread_t th; | |
if (pthread_create (&th, NULL, tf, &b) != 0) | |
{ | |
puts ("cannot create thread in parent"); | |
return 1; | |
} | |
pthread_barrier_wait (&b); | |
pid_t pid = fork (); | |
if (pid == 0) | |
{ | |
if (pthread_create (&th, NULL, tf, NULL) != 0) | |
{ | |
puts ("cannot create thread in child"); | |
exit (1); | |
} | |
void *res; | |
pthread_join (th, &res); | |
exit (res != NULL); | |
} | |
else if (pid == -1) | |
{ | |
puts ("cannot create child process"); | |
return 1; | |
} | |
int s; | |
if (TEMP_FAILURE_RETRY (waitpid (pid, &s, 0)) != pid) | |
{ | |
puts ("failing to wait for child process"); | |
return 1; | |
} | |
pthread_barrier_wait (&b); | |
pthread_join (th, NULL); | |
return !WIFEXITED (s) ? 2 : WEXITSTATUS (s); | |
} | |
#define TEST_FUNCTION do_test () | |
#include "../test-skeleton.c" |