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/* ==== test_switch.c ============================================================
* Copyright (c) 1993 by Chris Provenzano, proven@athena.mit.edu
*
* Description : Test context switch functionality.
*
* 1.00 93/08/04 proven
* -Started coding this file.
*/
#include <pthread.h>
#include <stdio.h>
#include <unistd.h>
const char buf[] = "abcdefghijklimnopqrstuvwxyz";
int fd = 1;
void* new_thread(void* arg)
{
int i;
for (i = 0; i < 10; i++) {
write(fd, buf + (long) arg, 1);
sleep(1);
}
return NULL;
}
int
main()
{
pthread_t thread[2];
int count = sizeof thread/sizeof thread[0];
long i;
printf("Going to sleep\n");
sleep(3);
printf("Done sleeping\n");
for(i = 0; i < count; i++) {
if (pthread_create(&thread[i], NULL, new_thread, (void *) i)) {
printf("error creating new thread %ld\n", i);
}
}
for (i = 0; i < count; i++)
pthread_join(thread[i], NULL);
return(0);
}
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