Punt rc_waitpid
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parent
3bfba57f5b
commit
9ff89f8027
16
src/librc.c
16
src/librc.c
@ -603,22 +603,6 @@ static pid_t _exec_service (const char *service, const char *arg)
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return (pid);
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}
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int rc_waitpid (pid_t pid)
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{
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int status = 0;
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pid_t savedpid = pid;
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int retval = -1;
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errno = 0;
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while ((pid = waitpid (savedpid, &status, 0)) > 0) {
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if (pid == savedpid)
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retval = WIFEXITED (status) ? WEXITSTATUS (status) : EXIT_FAILURE;
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}
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return (retval);
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}
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librc_hidden_def(rc_waitpid)
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pid_t rc_service_stop (const char *service)
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{
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if (rc_service_state (service) & RC_SERVICE_STOPPED)
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@ -105,9 +105,5 @@ librc_hidden_proto(rc_strlist_delete)
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librc_hidden_proto(rc_strlist_free)
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librc_hidden_proto(rc_strlist_join)
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librc_hidden_proto(rc_strlist_reverse)
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librc_hidden_proto(rc_waitpid)
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librc_hidden_proto(rc_xmalloc)
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librc_hidden_proto(rc_xrealloc)
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librc_hidden_proto(rc_xstrdup)
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#endif
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21
src/rc.c
21
src/rc.c
@ -623,6 +623,21 @@ static void remove_pid (pid_t pid)
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}
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}
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static int wait_pid (pid_t pid)
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{
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int status = 0;
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pid_t savedpid = pid;
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int retval = -1;
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errno = 0;
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while ((pid = waitpid (savedpid, &status, 0)) > 0) {
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if (pid == savedpid)
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retval = WIFEXITED (status) ? WEXITSTATUS (status) : EXIT_FAILURE;
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}
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return (retval);
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}
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static void handle_signal (int sig)
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{
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int serrno = errno;
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@ -1212,7 +1227,7 @@ int main (int argc, char **argv)
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if (going_down) {
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pid_t pid = rc_service_stop (service);
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if (pid > 0 && ! rc_env_bool ("RC_PARALLEL"))
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rc_waitpid (pid);
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wait_pid (pid);
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continue;
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}
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@ -1277,7 +1292,7 @@ int main (int argc, char **argv)
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if (! found) {
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pid_t pid = rc_service_stop (service);
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if (pid > 0 && ! rc_env_bool ("RC_PARALLEL"))
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rc_waitpid (pid);
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wait_pid (pid);
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}
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}
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rc_strlist_free (types);
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@ -1379,7 +1394,7 @@ interactive_option:
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add_pid (pid);
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if (! rc_env_bool ("RC_PARALLEL")) {
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rc_waitpid (pid);
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wait_pid (pid);
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remove_pid (pid);
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}
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}
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46
src/rc.h
46
src/rc.h
@ -220,23 +220,6 @@ char **rc_services_scheduled (const char *service);
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* @return true if all daemons started are still running, otherwise false */
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bool rc_service_daemons_crashed (const char *service);
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/*! Wait for a process to finish
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* @param pid to wait for
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* @return exit status of the process */
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int rc_waitpid (pid_t pid);
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/*! Find processes based on criteria.
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* All of these are optional.
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* pid overrides anything else.
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* If both exec and cmd are given then we ignore exec.
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* @param exec to check for
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* @param cmd to check for
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* @param uid to check for
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* @param pid to check for
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* @return NULL terminated list of pids */
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pid_t *rc_find_pids (const char *exec, const char *cmd,
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uid_t uid, pid_t pid);
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/*! @name Dependency options
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* These options can change the services found by the rc_get_depinfo and
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* rc_get_depends functions. */
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@ -359,6 +342,13 @@ char **rc_env_filter (void);
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* our configuration files. */
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char **rc_env_config (void);
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/*! Check if an environment variable is a boolean and return it's value.
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* If variable is not a boolean then we set errno to be ENOENT when it does
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* not exist or EINVAL if it's not a boolean.
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* @param variable to check
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* @return true if it matches true, yes or 1, false if otherwise. */
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bool rc_env_bool (const char *variable);
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/*! @name String List functions
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* Handy functions for dealing with string arrays of char **.
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* It's safe to assume that any function here that uses char ** is a string
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@ -420,10 +410,6 @@ void rc_strlist_reverse (char **list);
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* @param list to free */
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void rc_strlist_free (char **list);
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/*! @name Utility
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* Although not RC specific functions, they are used by the supporting
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* applications */
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/*! Concatenate paths adding '/' if needed. The resultant pointer should be
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* freed when finished with.
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* @param path1 starting path
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@ -431,11 +417,17 @@ void rc_strlist_free (char **list);
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* @return pointer to the new path */
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char *rc_strcatpaths (const char *path1, const char *paths, ...) SENTINEL;
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/*! Check if an environment variable is a boolean and return it's value.
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* If variable is not a boolean then we set errno to be ENOENT when it does
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* not exist or EINVAL if it's not a boolean.
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* @param variable to check
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* @return true if it matches true, yes or 1, false if otherwise. */
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bool rc_env_bool (const char *variable);
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/*! Find processes based on criteria.
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* All of these are optional.
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* pid overrides anything else.
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* If both exec and cmd are given then we ignore exec.
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* @param exec to check for
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* @param cmd to check for
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* @param uid to check for
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* @param pid to check for
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* @return NULL terminated list of pids */
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pid_t *rc_find_pids (const char *exec, const char *cmd,
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uid_t uid, pid_t pid);
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#endif
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@ -54,7 +54,6 @@ global:
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rc_strlist_free;
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rc_strlist_join;
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rc_strlist_reverse;
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rc_waitpid;
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local:
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*;
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@ -331,6 +331,21 @@ static int write_prefix (const char *buffer, size_t bytes, bool *prefixed) {
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return (ret);
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}
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static int wait_pid (pid_t pid)
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{
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int status = 0;
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pid_t savedpid = pid;
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int retval = -1;
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errno = 0;
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while ((pid = waitpid (savedpid, &status, 0)) > 0) {
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if (pid == savedpid)
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retval = WIFEXITED (status) ? WEXITSTATUS (status) : EXIT_FAILURE;
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}
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return (retval);
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}
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static bool svc_exec (const char *arg1, const char *arg2)
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{
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bool execok;
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@ -437,7 +452,7 @@ static bool svc_exec (const char *arg1, const char *arg2)
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master_tty = -1;
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}
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execok = rc_waitpid (service_pid) == 0 ? true : false;
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execok = wait_pid (service_pid) == 0 ? true : false;
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service_pid = 0;
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return (execok);
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@ -618,7 +633,7 @@ static void svc_start (bool deps)
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if (rc_service_state (svc) & RC_SERVICE_STOPPED) {
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pid_t pid = rc_service_start (svc);
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if (! rc_env_bool ("RC_PARALLEL"))
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rc_waitpid (pid);
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wait_pid (pid);
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}
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}
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@ -849,7 +864,7 @@ static void svc_stop (bool deps)
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{
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pid_t pid = rc_service_stop (svc);
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if (! rc_env_bool ("RC_PARALLEL"))
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rc_waitpid (pid);
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wait_pid (pid);
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rc_strlist_add (&tmplist, svc);
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}
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}
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