Remove rc_service_start/stop from librc as they block and unmask signals. The application may not wish this behaviour and should fork/exec the service itself.

4 files changed, 0 insertions, 103 deletions

diff --git a/src/librc/librc.c b/src/librc/librc.c
index 5d4826c9..13220d2f 100644
--- a/src/librc/librc.c
+++ b/src/librc/librc.c
@@ -673,95 +673,6 @@ bool rc_service_value_set(const char *service, const char *option,
 }
 librc_hidden_def(rc_service_value_set)
 
-static pid_t _exec_service(const char *service, const char *arg)
-{
-	char *file;
-	char fifo[PATH_MAX];
-	pid_t pid = -1;
-	sigset_t full;
-	sigset_t old;
-	struct sigaction sa;
-
-	file = rc_service_resolve(service);
-	if (! exists(file)) {
-		rc_service_mark(service, RC_SERVICE_STOPPED);
-		free(file);
-		return 0;
-	}
-
-	/* We create a fifo so that other services can wait until we complete */
-	snprintf(fifo, sizeof(fifo), RC_SVCDIR "/exclusive/%s",
-		 basename_c(service));
-	if (mkfifo(fifo, 0600) != 0 && errno != EEXIST) {
-		free(file);
-		return -1;
-	}
-
-	/* We need to block signals until we have forked */
-	memset(&sa, 0, sizeof (sa));
-	sa.sa_handler = SIG_DFL;
-	sigemptyset(&sa.sa_mask);
-	sigfillset(&full);
-	sigprocmask(SIG_SETMASK, &full, &old);
-
-	if ((pid = fork()) == 0) {
-		/* Restore default handlers */
-		sigaction(SIGCHLD, &sa, NULL);
-		sigaction(SIGHUP, &sa, NULL);
-		sigaction(SIGINT, &sa, NULL);
-		sigaction(SIGQUIT, &sa, NULL);
-		sigaction(SIGTERM, &sa, NULL);
-		sigaction(SIGUSR1, &sa, NULL);
-		sigaction(SIGWINCH, &sa, NULL);
-
-		/* Unmask signals */
-		sigprocmask(SIG_SETMASK, &old, NULL);
-
-		/* Safe to run now */
-		execl(file, file, arg, (char *) NULL);
-		fprintf(stderr, "unable to exec `%s': %s\n",
-			file, strerror(errno));
-		unlink(fifo);
-		_exit(EXIT_FAILURE);
-	}
-
-	if (pid == -1)
-		fprintf(stderr, "fork: %s\n",strerror (errno));
-
-	sigprocmask(SIG_SETMASK, &old, NULL);
-
-	free(file);
-
-	return pid;
-}
-
-pid_t rc_service_stop(const char *service)
-{
-	RC_SERVICE state = rc_service_state(service);
-
-	if (state & RC_SERVICE_FAILED)
-		return -1;
-
-	if (state & RC_SERVICE_STOPPED)
-		return 0;
-
-	return _exec_service(service, "stop");
-}
-librc_hidden_def(rc_service_stop)
-
-pid_t rc_service_start(const char *service)
-{
-	RC_SERVICE state = rc_service_state(service);
-
-	if (state & RC_SERVICE_FAILED)
-		return -1;
-
-	if (! state & RC_SERVICE_STOPPED)
-		return 0;
-
-	return _exec_service(service, "start");
-}
-librc_hidden_def(rc_service_start)
 
 bool rc_service_schedule_start(const char *service,
 			       const char *service_to_start)
diff --git a/src/librc/librc.h b/src/librc/librc.h
index b5e9cabd..353b5923 100644
--- a/src/librc/librc.h
+++ b/src/librc/librc.h
@@ -104,8 +104,6 @@ librc_hidden_proto(rc_service_mark)
 librc_hidden_proto(rc_service_resolve)
 librc_hidden_proto(rc_service_schedule_clear)
 librc_hidden_proto(rc_service_schedule_start)
-librc_hidden_proto(rc_service_start)
-librc_hidden_proto(rc_service_stop)
 librc_hidden_proto(rc_services_in_runlevel)
 librc_hidden_proto(rc_services_in_state)
 librc_hidden_proto(rc_services_scheduled)
diff --git a/src/librc/rc.h b/src/librc/rc.h
index 415963b4..04cdba4d 100644
--- a/src/librc/rc.h
+++ b/src/librc/rc.h
@@ -172,16 +172,6 @@ bool rc_service_schedule_clear(const char *);
  * @return state of the service */
 RC_SERVICE rc_service_state(const char *);
 
-/*! Start a service
- * @param service to start
- * @return pid of the service starting process */
-pid_t rc_service_start(const char *);
-
-/*! Stop a service
- * @param service to stop
- * @return pid of service stopping process */
-pid_t rc_service_stop(const char *);
-
 /*! Check if the service started the daemon
  * @param service to check
  * @param exec to check
diff --git a/src/librc/rc.map b/src/librc/rc.map
index 845ae946..8a803f3d 100644
--- a/src/librc/rc.map
+++ b/src/librc/rc.map
@@ -32,8 +32,6 @@ global:
 	rc_service_resolve;
 	rc_service_schedule_clear;
 	rc_service_schedule_start;
-	rc_service_start;
-	rc_service_stop;
 	rc_services_in_runlevel;
 	rc_services_in_state;
 	rc_services_scheduled;