glibc/linuxthreads/Examples/ex1.c
Andreas Jaeger a375a533a2 * Examples/ex13.c: Make local functions static.
* ecmutex.c: Likewise. 
* Examples/ex14.c: Likewise.
	* Examples/ex2.c: Make local functions static; reformat.
	* Examples/ex1.c: Likewise.
	* Examples/ex4.c: Likewise.
	* Examples/ex5.c: Likewise.
	* Examples/ex7.c: Likewise.

CVS ----------------------------------------------------------------------
2000-12-27 17:14:56 +00:00

43 lines
1013 B
C

/* Creates two threads, one printing 10000 "a"s, the other printing
10000 "b"s.
Illustrates: thread creation, thread joining. */
#include <stddef.h>
#include <stdio.h>
#include <unistd.h>
#include "pthread.h"
static void *
process (void *arg)
{
int i;
fprintf (stderr, "Starting process %s\n", (char *) arg);
for (i = 0; i < 10000; i++)
{
write (1, (char *) arg, 1);
}
return NULL;
}
int
main (void)
{
int retcode;
pthread_t th_a, th_b;
void *retval;
retcode = pthread_create (&th_a, NULL, process, (void *) "a");
if (retcode != 0)
fprintf (stderr, "create a failed %d\n", retcode);
retcode = pthread_create (&th_b, NULL, process, (void *) "b");
if (retcode != 0)
fprintf (stderr, "create b failed %d\n", retcode);
retcode = pthread_join (th_a, &retval);
if (retcode != 0)
fprintf (stderr, "join a failed %d\n", retcode);
retcode = pthread_join (th_b, &retval);
if (retcode != 0)
fprintf (stderr, "join b failed %d\n", retcode);
return 0;
}