1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/* This is a test of the special shutdown that occurs
when all threads, including the main one, call
pthread_exit(). It demonstrates that atexit
handlers are properly called, and that the
output is properly flushed even when stdout is
redirected to a file, and therefore fully buffered. */
#include <stdio.h>
#include <stdlib.h>
#include <pthread.h>
#define NTHREADS 20 /* number of threads */
static void *
thread (void *arg)
{
printf ("thread terminating\n");
return 0;
}
static void
cleanup (void)
{
printf ("atexit handler called\n");
}
int
main (void)
{
int i;
atexit (cleanup);
for (i = 0; i < NTHREADS; i++)
{
pthread_t id;
if (pthread_create (&id, 0, thread, 0) != 0)
{
fprintf (stderr, "pthread_create failed\n");
abort ();
}
}
pthread_exit (0);
}
|
