linux 堆栈大小设置

#include <stdio.h>
#include <sys/resource.h>

void set_stack_size(rlim_t size) {
    struct rlimit rl;
    int result;

    result = getrlimit(RLIMIT_STACK, &rl);
    if (result == 0) {
        if (rl.rlim_cur < size) {
            rl.rlim_cur = size;
            result = setrlimit(RLIMIT_STACK, &rl);
            if (result != 0) {
                perror("setrlimit");
            }
        }
    } else {
        perror("getrlimit");
    }
}

int main() {
    set_stack_size(8 * 1024 * 1024);  // 设置为 8MB
    return 0;
}