Bug #2712 » daemonize_startup_behaviour.diff
| src/server.c (Arbeitskopie) | ||
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}
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}
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#elif defined(HAVE_SIGNAL) || defined(HAVE_SIGACTION)
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static void signal_handler(int sig) {
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static int signal_handler(int sig) {
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switch (sig) {
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case SIGTERM: srv_shutdown = 1; break;
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case SIGINT:
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| ... | ... | |
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#endif
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#ifdef HAVE_FORK
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static void daemonize(void) {
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static int daemonize() {
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int pipefd[2];
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pid_t pid;
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#ifdef SIGTTOU
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signal(SIGTTOU, SIG_IGN);
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#endif
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| ... | ... | |
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#ifdef SIGTSTP
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signal(SIGTSTP, SIG_IGN);
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#endif
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if (0 != fork()) exit(0);
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if (pipe(pipefd) < 0) exit(-1);
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if (0 > (pid = fork())) exit(-1);
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else if (0 < pid)
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{
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char buf;
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ssize_t bytes;
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close(pipefd[1]);
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/* parent waits for grandchild to be ready */
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bytes = read(pipefd[0], &buf, sizeof(buf));
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close(pipefd[0]);
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/* closed fd (without writing) == failure in grandchild */
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exit((bytes > 0) ? 0 : -1);
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return 0; /* never reached */
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}
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/* better to return -1 in the following error cases? */
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if (-1 == setsid()) exit(0);
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signal(SIGHUP, SIG_IGN);
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| ... | ... | |
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if (0 != fork()) exit(0);
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if (0 != chdir("/")) exit(0);
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return pipefd[1];
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}
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#endif
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| ... | ... | |
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interval.it_value.tv_usec = 0;
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#endif
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#ifdef HAVE_FORK
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int parent_pipe_fd = 0;
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#endif
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/* for nice %b handling in strfime() */
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setlocale(LC_TIME, "C");
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| ... | ... | |
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#ifdef HAVE_FORK
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/* network is up, let's deamonize ourself */
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if (srv->srvconf.dont_daemonize == 0) daemonize();
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if (srv->srvconf.dont_daemonize == 0) {
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parent_pipe_fd = daemonize();
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}
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#endif
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| ... | ... | |
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}
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}
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#ifdef HAVE_FORK
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if (srv->srvconf.dont_daemonize == 0) {
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/* notify daemonize-grandparent of successfull startup */
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if (0 > write(parent_pipe_fd, "\x0", 1)) return -1;
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close(parent_pipe_fd);
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}
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#endif
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/* main-loop */
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while (!srv_shutdown) {
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int n;
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