Files
ostep-code/threads-cv/join_spin.c
Remzi Arpaci-Dusseau 606f0e004f spinning cv example too
2019-04-29 14:42:03 -05:00

25 lines
434 B
C

#include <stdio.h>
#include <unistd.h>
#include <pthread.h>
#include "common.h"
#include "common_threads.h"
volatile int done = 0;
void *child(void *arg) {
printf("child\n");
sleep(5);
done = 1;
return NULL;
}
int main(int argc, char *argv[]) {
pthread_t p;
printf("parent: begin\n");
Pthread_create(&p, NULL, child, NULL);
while (done == 0)
; // spin
printf("parent: end\n");
return 0;
}