进程资源限制

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

int main() {
    struct rlimit rlim;

    if(getrlimit(RLIMIT_MEMLOCK, &rlim) == -1) {
        fprintf(stderr, "getrlimit error.");
        return -1;
    }
    if(rlim.rlim_cur == RLIM_INFINITY) 
        printf("infinite");
    else
        printf("soft: %lld\n", (long long)rlim.rlim_cur);

    if(rlim.rlim_max == RLIM_INFINITY)
        printf("infinite");
    else
        printf("hard: %lld\n", (long long)rlim.rlim_max);

    return 0;
}