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Check for pid file before starting in daemon mode.

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This commit is contained in:
Andrew Pamment 2016-08-04 19:41:43 +10:00
parent 9d1b2766ac
commit 0d385ca14a
1 changed files with 7 additions and 0 deletions
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7
main.c
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@ -4,6 +4,7 @@
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/wait.h>
#include <sys/stat.h>
#include <signal.h>
#include <unistd.h>
#include <stdlib.h>
@ -323,6 +324,7 @@ void server(int port) {
int socket_desc, client_sock, c, *new_sock;
int pid;
struct sockaddr_in server, client;
struct stat s;
sa.sa_handler = sigchld_handler; // reap all dead processes
sigemptyset(&sa.sa_mask);
@ -438,6 +440,11 @@ int main(int argc, char **argv) {
port = atoi(argv[2]);
if (conf.fork) {
if (stat(conf.pid_file, &s) == 0) {
fprintf(stderr, "Magicka already running or stale pid file at: %s\n", conf.pid_file);
exit(-1);
}
main_pid = fork();
if (main_pid < 0) {