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authorRoy Marples <roy@marples.name>2008-03-28 16:04:48 +0000
committerRoy Marples <roy@marples.name>2008-03-28 16:04:48 +0000
commit17d28fde42923741715df961b5986325c628b193 (patch)
tree7f56577cec56178cee836d893b34d9799da292a3 /src/librc/librc.c
parentb418f2e471f743b9655847970b13e37b30423c6e (diff)
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Support XEN on NetBSD
Diffstat (limited to 'src/librc/librc.c')
-rw-r--r--src/librc/librc.c96
1 files changed, 96 insertions, 0 deletions
diff --git a/src/librc/librc.c b/src/librc/librc.c
index 13220d2..6d58bf8 100644
--- a/src/librc/librc.c
+++ b/src/librc/librc.c
@@ -214,6 +214,13 @@ const char *rc_sys(void)
return RC_SYS_JAIL;
#endif
+#ifdef __NetBSD__
+ if (exists("/kern/xen/privcmd"))
+ return RC_SYS_XEN0;
+ if (exists("/kern/xen"))
+ return RC_SYS_XENU;
+#endif
+
#ifdef __linux__
if (exists("/proc/xen")) {
if (file_regex("/proc/xen/capabilities", "control_d"))
@@ -673,6 +680,95 @@ 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)