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-rw-r--r--src/rc/rc-misc.c63
-rw-r--r--src/rc/rc.c55
-rw-r--r--src/rc/runscript.c10
3 files changed, 98 insertions, 30 deletions
diff --git a/src/rc/rc-misc.c b/src/rc/rc-misc.c
index 32fe50e3..afe7893c 100644
--- a/src/rc/rc-misc.c
+++ b/src/rc/rc-misc.c
@@ -43,6 +43,7 @@
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
+#include <unistd.h>
#include "einfo.h"
#include "rc.h"
@@ -310,3 +311,65 @@ int signal_setup(int sig, void (*handler)(int))
sa.sa_handler = handler;
return sigaction(sig, &sa, NULL);
}
+
+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;
+}
diff --git a/src/rc/rc.c b/src/rc/rc.c
index a6f58b4f..43bcb48e 100644
--- a/src/rc/rc.c
+++ b/src/rc/rc.c
@@ -771,6 +771,7 @@ static void do_stop_services(const char *newlevel, bool going_down, bool paralle
pid_t pid;
RC_STRING *service, *svc1, *svc2;
RC_STRINGLIST *deporder, *tmplist;
+ RC_SERVICE state;
if (! types_n) {
types_n = rc_stringlist_new();
@@ -779,12 +780,13 @@ static void do_stop_services(const char *newlevel, bool going_down, bool paralle
TAILQ_FOREACH_REVERSE(service, stop_services, rc_stringlist, entries)
{
- if (rc_service_state(service->value) & RC_SERVICE_STOPPED)
+ state = rc_service_state(service->value);
+ if (state & RC_SERVICE_STOPPED || state & RC_SERVICE_FAILED)
continue;
/* We always stop the service when in these runlevels */
if (going_down || ! start_services) {
- pid = rc_service_stop(service->value);
+ pid = service_stop(service->value);
if (pid > 0 && ! parallel)
rc_waitpid(pid);
continue;
@@ -832,7 +834,7 @@ static void do_stop_services(const char *newlevel, bool going_down, bool paralle
}
/* After all that we can finally stop the blighter! */
- pid = rc_service_stop(service->value);
+ pid = service_stop(service->value);
if (pid > 0) {
add_pid(pid);
if (! parallel) {
@@ -848,44 +850,47 @@ static void do_start_services(bool parallel)
RC_STRING *service;
pid_t pid;
bool interactive = false;
+ RC_SERVICE state;
if (! rc_yesno(getenv("EINFO_QUIET")))
interactive = exists(INTERACTIVE);
TAILQ_FOREACH(service, start_services, entries) {
- if (rc_service_state(service->value) & RC_SERVICE_STOPPED) {
- if (! interactive)
- interactive = want_interactive();
+ state = rc_service_state(service->value);
+ if (!(state & RC_SERVICE_STOPPED) || state & RC_SERVICE_FAILED)
+ continue;
+
+ if (! interactive)
+ interactive = want_interactive();
- if (interactive) {
+ if (interactive) {
interactive_retry:
- printf("\n");
- einfo("About to start the service %s",
- service->value);
- eindent();
- einfo("1) Start the service\t\t2) Skip the service");
- einfo("3) Continue boot process\t\t4) Exit to shell");
- eoutdent();
+ printf("\n");
+ einfo("About to start the service %s",
+ service->value);
+ eindent();
+ einfo("1) Start the service\t\t2) Skip the service");
+ einfo("3) Continue boot process\t\t4) Exit to shell");
+ eoutdent();
interactive_option:
- switch (read_key(true)) {
+ switch (read_key(true)) {
case '1': break;
case '2': continue;
case '3': interactive = false; break;
case '4': sulogin(true); goto interactive_retry;
default: goto interactive_option;
- }
}
+ }
- pid = rc_service_start(service->value);
-
- /* Remember the pid if we're running in parallel */
- if (pid > 0) {
- add_pid(pid);
+ pid = service_start(service->value);
- if (! parallel) {
- rc_waitpid(pid);
- remove_pid(pid);
- }
+ /* Remember the pid if we're running in parallel */
+ if (pid > 0) {
+ add_pid(pid);
+
+ if (! parallel) {
+ rc_waitpid(pid);
+ remove_pid(pid);
}
}
}
diff --git a/src/rc/runscript.c b/src/rc/runscript.c
index 8720c02f..421f432f 100644
--- a/src/rc/runscript.c
+++ b/src/rc/runscript.c
@@ -273,7 +273,7 @@ static void start_services(RC_STRINGLIST *list) {
" when %s has started",
svc->value, applet);
} else
- rc_service_start(svc->value);
+ service_start(svc->value);
}
}
}
@@ -727,7 +727,7 @@ static void svc_start(bool deps)
if (! rc_runlevel_starting() && use_services)
TAILQ_FOREACH(svc, use_services, entries)
if (rc_service_state(svc->value) & RC_SERVICE_STOPPED) {
- pid_t pid = rc_service_start(svc->value);
+ pid_t pid = service_start(svc->value);
if (! rc_conf_yesno("rc_parallel"))
rc_waitpid(pid);
}
@@ -851,7 +851,7 @@ static void svc_start(bool deps)
if (services) {
TAILQ_FOREACH(svc, services, entries)
if (rc_service_state(svc->value) & RC_SERVICE_STOPPED)
- rc_service_start(svc->value);
+ service_start(svc->value);
rc_stringlist_free(services);
services = NULL;
}
@@ -864,7 +864,7 @@ static void svc_start(bool deps)
if (services) {
TAILQ_FOREACH(svc2, services, entries)
if (rc_service_state(svc2->value) & RC_SERVICE_STOPPED)
- rc_service_start(svc2->value);
+ service_start(svc2->value);
rc_stringlist_free(services);
services = NULL;
}
@@ -939,7 +939,7 @@ static void svc_stop(bool deps)
if (svcs & RC_SERVICE_STARTED ||
svcs & RC_SERVICE_INACTIVE)
{
- pid_t pid = rc_service_stop(svc->value);
+ pid_t pid = service_stop(svc->value);
if (! rc_conf_yesno("rc_parallel"))
rc_waitpid(pid);
if (! tmplist)