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glibc/rt/tst-aio10.c
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#include <aio.h> | |
#include <errno.h> | |
#include <signal.h> | |
#include <stdio.h> | |
#include <stdlib.h> | |
#include <pthread.h> | |
#include <unistd.h> | |
static pthread_barrier_t b; | |
static pthread_t main_thread; | |
static int flag; | |
static void * | |
tf (void *arg) | |
{ | |
int e = pthread_barrier_wait (&b); | |
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
{ | |
puts ("child: barrier_wait failed"); | |
exit (1); | |
} | |
/* There is unfortunately no other way to try to make sure the other | |
thread reached the aio_suspend call. This test could fail on | |
highly loaded machines. */ | |
sleep (2); | |
pthread_kill (main_thread, SIGUSR1); | |
while (1) | |
sleep (1000); | |
return NULL; | |
} | |
static void | |
sh (int sig) | |
{ | |
flag = 1; | |
} | |
static int | |
do_test (void) | |
{ | |
main_thread = pthread_self (); | |
struct sigaction sa; | |
sa.sa_handler = sh; | |
sa.sa_flags = 0; | |
sigemptyset (&sa.sa_mask); | |
if (sigaction (SIGUSR1, &sa, NULL) != 0) | |
{ | |
puts ("sigaction failed"); | |
return 1; | |
} | |
if (pthread_barrier_init (&b, NULL, 2) != 0) | |
{ | |
puts ("barrier_init"); | |
return 1; | |
} | |
int fds[2]; | |
if (pipe (fds) != 0) | |
{ | |
puts ("pipe failed"); | |
return 1; | |
} | |
char buf[42]; | |
struct aiocb req; | |
req.aio_fildes = fds[0]; | |
req.aio_lio_opcode = LIO_READ; | |
req.aio_reqprio = 0; | |
req.aio_offset = 0; | |
req.aio_buf = buf; | |
req.aio_nbytes = sizeof (buf); | |
req.aio_sigevent.sigev_notify = SIGEV_NONE; | |
pthread_t th; | |
if (pthread_create (&th, NULL, tf, NULL) != 0) | |
{ | |
puts ("create failed"); | |
return 1; | |
} | |
int e = pthread_barrier_wait (&b); | |
if (e != 0 && e != PTHREAD_BARRIER_SERIAL_THREAD) | |
{ | |
puts ("parent: barrier_wait failed"); | |
exit (1); | |
} | |
struct aiocb *list[1]; | |
list[0] = &req; | |
e = lio_listio (LIO_WAIT, list, 1, NULL); | |
if (e != -1) | |
{ | |
puts ("lio_listio succeeded"); | |
return 1; | |
} | |
if (errno != EINTR) | |
{ | |
printf ("lio_listio did not return EINTR: %d (%d = %m)\n", e, errno); | |
return 1; | |
} | |
return 0; | |
} | |
#define TEST_FUNCTION do_test () | |
#define TIMEOUT 5 | |
#include "../test-skeleton.c" |