💾 Archived View for thrig.me › blog › 2023 › 09 › 28 › stuckverybusy.c captured on 2023-09-28 at 16:59:07.
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#include <err.h>
#include <pthread.h>
#include <unistd.h>
#include <stdio.h>
volatile int foo;
void *
busybee(void *unused)
{
while (1) foo++;
}
int
main(void)
{
#define THC 32
pthread_t th[THC];
for (int i = 0; i < THC; i++)
if (pthread_create(&th[i], NULL, busybee, NULL) != 0)
err(1, "pthread_create");
while (1) sleep(99999);
}