hakmem/core/hakmem_tiny_rss.c

// hakmem_tiny_rss.c
// Phase 2B-2: RSS Monitoring
// Extracted from hakmem_tiny.c (lines 1665-1682)

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "hakmem_tiny_rss_api.h"

int get_rss_kb_self(void) {
    FILE* f = fopen("/proc/self/status", "r");
    if (!f) return 0;
    char buf[256];
    int kb = 0;
    while (fgets(buf, sizeof(buf), f)) {
        if (strncmp(buf, "VmRSS:", 6) == 0) {
            char* p = buf;
            while (*p && (*p < '0' || *p > '9')) {
                p++;
            }
            kb = atoi(p);
            break;
        }
    }
    fclose(f);
    return kb;
}