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system-programming/06_AdvancedProcessManagement/affinity.c
Fabio Scotto di Santolo 538cb4559e Renaming all folders
2025-08-22 16:21:42 +02:00

32 lines
486 B
C

/*
* SPDX-License-Identifier: MIT
* Copyright (c) 2025 Fabio Scotto di Santolo
*/
#define _GNU_SOURCE
#include <sched.h>
#include <stdio.h>
int main(void)
{
cpu_set_t set;
CPU_ZERO(&set);
CPU_SET(0, &set);
CPU_CLR(1, &set);
int ret = sched_setaffinity(0, sizeof(cpu_set_t), &set);
if (ret == -1) {
perror("sched_setaffinity");
}
for (int i = 0; i < CPU_SETSIZE; i++) {
int cpu = CPU_ISSET(i, &set);
if (cpu) {
printf("cpu=%d is set\n", i);
}
}
return 0;
}