#include "CSignalSupport.h"
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include <stddef.h>

static char g_socket_path[104 * 4];
static volatile sig_atomic_t g_has_path = 0;

void reyna_store_socket_path(const char *path) {
    if (!path) {
        g_socket_path[0] = '\0';
        g_has_path = 0;
        return;
    }
    strncpy(g_socket_path, path, sizeof(g_socket_path)-1);
    g_socket_path[sizeof(g_socket_path)-1] = '\0';
    g_has_path = 1;
}

void reyna_cleanup_socket_sync(void) {
    if (!g_has_path) return;
    if (g_socket_path[0] == '\0') return;
    unlink(g_socket_path);
}

static void reyna_signal_handler(int sig) {
    (void)sig;
    reyna_cleanup_socket_sync();
    _exit(0);
}

void reyna_install_signal_handlers(void) {
    struct sigaction sa;
    memset(&sa, 0, sizeof(sa));
    sa.sa_handler = reyna_signal_handler;
    sigemptyset(&sa.sa_mask);
    sa.sa_flags = 0;
    sigaction(SIGTERM, &sa, NULL);
    sigaction(SIGINT, &sa, NULL);
    sigaction(SIGHUP, &sa, NULL);
    signal(SIGPIPE, SIG_IGN);
}