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https://github.com/OpenRC/openrc.git
synced 2024-12-02 22:35:19 +08:00
Remove rc_service_wait as runscript.c should do the waiting. rc_deptree_depend now returns the exact depends as listed. This is so we can support a new 'keywords' directive. We can add whatever here, like 'notimeout' which means that an init script doesn't timeout. This removes the hardcoded check on checkfs and checkroot.
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f40f7528be
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0490a9290a
@ -29,6 +29,7 @@ depend() {
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need localmount
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before logger
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after clock sysctl
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keywords notimeout
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}
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cleanup_tmp_dir() {
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@ -30,6 +30,7 @@ optionally repair them."
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depend() {
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need checkroot
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after modules
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keywords notimeout
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}
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do_checkfs() {
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@ -27,6 +27,10 @@
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description="Check the root filesystem according to /etc/fstab for errors \
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and optionally repair them."
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depend() {
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keywords notimeout
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}
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do_mtab() {
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# Don't create mtab if /etc is readonly
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if ! printf "" 2>/dev/null >/etc/mtab; then
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@ -29,6 +29,7 @@ and /etc/conf.d/local.stop when stopping."
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depend() {
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after *
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keywords notimeout
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}
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start() {
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@ -45,7 +45,10 @@ after() {
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}
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provide() {
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[ -n "$*" ] && echo "${SVCNAME} iprovide $*" >&3
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}
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}
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keywords() {
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[ -n "$*" ] && echo "${SVCNAME} keywords $*" >&3
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}
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depend() {
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:
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}
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@ -83,6 +86,7 @@ for SVCNAME in *; do
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before ${rc_before} ${RC_BEFORE}
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after ${rc_after} ${RC_AFTER}
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provide ${rc_provide} ${RC_PROVIDE}
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keywords ${rc_keywords} ${RC_KEYWORDS}
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fi
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)
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done
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@ -467,10 +467,34 @@ static void visit_service (rc_depinfo_t *deptree, const char * const *types,
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rc_strlist_add (&sorted->list, depinfo->service);
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}
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char **rc_deptree_depend (rc_depinfo_t *deptree,
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const char *service, const char *type)
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{
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rc_depinfo_t *di;
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rc_deptype_t *dt;
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char **svcs = NULL;
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int i;
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char *svc;
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if (! (di = get_depinfo (deptree, service)) ||
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! (dt = get_deptype (di, type)))
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{
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errno = ENOENT;
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return (NULL);
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}
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/* For consistency, we copy the array */
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STRLIST_FOREACH (dt->services, svc, i)
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rc_strlist_add (&svcs, svc);
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return (svcs);
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}
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librc_hidden_def(rc_deptree_depend)
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char **rc_deptree_depends (rc_depinfo_t *deptree,
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const char **types, const char **services,
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const char *runlevel, int options)
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{
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{
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struct lhead sorted;
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struct lhead visited;
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rc_depinfo_t *di;
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54
src/librc.c
54
src/librc.c
@ -35,14 +35,6 @@ const char copyright[] = "Copyright (c) 2007 Gentoo Foundation\n"
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#include "librc.h"
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/* usecs to wait while we poll the fifo */
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#define WAIT_INTERVAL 20000000
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/* max secs to wait until a service comes up */
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#define WAIT_MAX 300
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#define ONE_SECOND 1000000000
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#define SOFTLEVEL RC_SVCDIR "/softlevel"
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#ifndef S_IXUGO
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@ -719,52 +711,6 @@ bool rc_service_schedule_clear (const char *service)
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}
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librc_hidden_def(rc_service_schedule_clear)
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bool rc_service_wait (const char *service)
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{
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char *svc;
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char *base;
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char *fifo;
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struct timespec ts;
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int nloops = WAIT_MAX * (ONE_SECOND / WAIT_INTERVAL);
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bool retval = false;
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bool forever = false;
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if (! service)
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return (false);
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svc = xstrdup (service);
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base = basename (svc);
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fifo = rc_strcatpaths (RC_SVCDIR, "exclusive", base, (char *) NULL);
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/* FIXME: find a better way of doing this
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* Maybe a setting in the init script? */
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if (strcmp (base, "checkfs") == 0 || strcmp (base, "checkroot") == 0)
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forever = true;
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free (svc);
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ts.tv_sec = 0;
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ts.tv_nsec = WAIT_INTERVAL;
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while (nloops) {
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if (! exists (fifo)) {
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retval = true;
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break;
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}
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if (nanosleep (&ts, NULL) == -1) {
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if (errno != EINTR)
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break;
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}
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if (! forever)
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nloops --;
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}
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if (! exists (fifo))
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retval = true;
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free (fifo);
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return (retval);
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}
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librc_hidden_def(rc_service_wait)
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char **rc_services_in_runlevel (const char *runlevel)
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{
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@ -76,6 +76,7 @@
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librc_hidden_proto(rc_config_list)
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librc_hidden_proto(rc_config_load)
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librc_hidden_proto(rc_config_value)
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librc_hidden_proto(rc_deptree_depend)
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librc_hidden_proto(rc_deptree_depends)
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librc_hidden_proto(rc_deptree_free)
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librc_hidden_proto(rc_deptree_load)
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@ -104,7 +105,6 @@ librc_hidden_proto(rc_service_schedule_clear)
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librc_hidden_proto(rc_service_schedule_start)
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librc_hidden_proto(rc_service_start)
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librc_hidden_proto(rc_service_stop)
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librc_hidden_proto(rc_service_wait)
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librc_hidden_proto(rc_services_in_runlevel)
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librc_hidden_proto(rc_services_in_state)
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librc_hidden_proto(rc_services_scheduled)
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13
src/rc.h
13
src/rc.h
@ -211,11 +211,6 @@ char *rc_service_value_get (const char *service, const char *option);
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bool rc_service_value_set (const char *service, const char *option,
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const char *value);
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/*! Wait for a service to finish
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* @param service to wait for
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* @return true if service finished before timeout, otherwise false */
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bool rc_service_wait (const char *service);
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/*! List the services in a runlevel
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* @param runlevel to list
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* @return NULL terminated list of services */
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@ -275,6 +270,14 @@ bool rc_deptree_update_needed (void);
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* @return pointer to the dependency tree */
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rc_depinfo_t *rc_deptree_load (void);
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/*! List the depend for the type of service
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* @param deptree to search
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* @param type to use (keywords, etc)
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* @param service to check
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* @return NULL terminated list of services in order */
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char **rc_deptree_depend (rc_depinfo_t *deptree,
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const char *type, const char *service);
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/*! List all the services in order that the given services have
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* for the given types and options.
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* @param deptree to search
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@ -3,6 +3,7 @@ global:
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rc_config_list;
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rc_config_load;
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rc_config_value;
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rc_deptree_depend;
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rc_deptree_depends;
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rc_deptree_free;
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rc_deptree_load;
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@ -32,7 +33,6 @@ global:
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rc_service_schedule_start;
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rc_service_start;
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rc_service_stop;
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rc_service_wait;
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rc_services_in_runlevel;
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rc_services_in_state;
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rc_services_scheduled;
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@ -68,6 +68,14 @@
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#define PREFIX_LOCK RC_SVCDIR "/prefix.lock"
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/* usecs to wait while we poll the fifo */
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#define WAIT_INTERVAL 20000000
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/* max secs to wait until a service comes up */
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#define WAIT_MAX 300
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#define ONE_SECOND 1000000000
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static char *applet = NULL;
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static char *service = NULL;
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static char *exclusive = NULL;
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@ -98,7 +106,6 @@ static const char *types_b[] = { "broken", NULL };
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static const char *types_n[] = { "ineed", NULL };
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static const char *types_nu[] = { "ineed", "iuse", NULL };
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static const char *types_nua[] = { "ineed", "iuse", "iafter", NULL };
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static const char *types_p[] = { "iprovide", NULL };
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static const char *types_m[] = { "needsme", NULL };
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static const char *types_mua[] = { "needsme", "usesme", "beforeme", NULL };
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@ -492,6 +499,60 @@ static bool svc_exec (const char *arg1, const char *arg2)
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return (execok);
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}
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static bool svc_wait (rc_depinfo_t *depinfo, const char *svc)
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{
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char *s;
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char *base;
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char *fifo;
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struct timespec ts;
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int nloops = WAIT_MAX * (ONE_SECOND / WAIT_INTERVAL);
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bool retval = false;
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bool forever = false;
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char **keywords = NULL;
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int i;
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if (! service)
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return (false);
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/* Some services don't have a timeout, like checkroot and checkfs */
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keywords = rc_deptree_depend (deptree, svc, "keywords");
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STRLIST_FOREACH (keywords, s, i) {
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if (strcmp (s, "notimeout") == 0) {
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forever = true;
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break;
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}
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}
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rc_strlist_free (keywords);
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s = xstrdup (svc);
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base = basename (s);
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fifo = rc_strcatpaths (RC_SVCDIR, "exclusive", base, (char *) NULL);
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free (s);
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ts.tv_sec = 0;
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ts.tv_nsec = WAIT_INTERVAL;
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while (nloops) {
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if (! exists (fifo)) {
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retval = true;
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break;
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}
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if (nanosleep (&ts, NULL) == -1) {
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if (errno != EINTR)
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break;
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}
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if (! forever)
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nloops --;
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}
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if (! exists (fifo))
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retval = true;
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free (fifo);
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return (retval);
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}
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static rc_service_state_t svc_status ()
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{
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char status[10];
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@ -683,7 +744,7 @@ static void svc_start (bool deps)
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continue;
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}
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if (! rc_service_wait (svc))
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if (! svc_wait (deptree, svc))
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eerror ("%s: timed out waiting for %s", applet, svc);
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if ((svcs = rc_service_state (svc)) & RC_SERVICE_STARTED)
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continue;
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@ -710,12 +771,9 @@ static void svc_start (bool deps)
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unlink_mtime_test ();
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STRLIST_FOREACH (tmplist, svc, i) {
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const char *sl[] = { svc, NULL };
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rc_service_schedule_start (svc, service);
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rc_strlist_free (providelist);
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providelist = rc_deptree_depends (deptree, types_p, sl,
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softlevel, depoptions);
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providelist = rc_deptree_depend (deptree, "iprovide", svc);
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STRLIST_FOREACH (providelist, svc2, j)
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rc_service_schedule_start (svc2, service);
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@ -780,7 +838,7 @@ static void svc_start (bool deps)
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/* Do the same for any services we provide */
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rc_strlist_free (tmplist);
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tmplist = rc_deptree_depends (deptree, types_p, svcl, softlevel, depoptions);
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tmplist = rc_deptree_depend (deptree, "iprovide", applet);
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STRLIST_FOREACH (tmplist, svc2, j) {
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rc_strlist_free (services);
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@ -853,7 +911,7 @@ static void svc_stop (bool deps)
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if (svcs & RC_SERVICE_STARTED ||
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svcs & RC_SERVICE_INACTIVE)
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{
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rc_service_wait (svc);
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svc_wait (deptree, svc);
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svcs = rc_service_state (svc);
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if (svcs & RC_SERVICE_STARTED ||
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svcs & RC_SERVICE_INACTIVE)
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@ -873,7 +931,7 @@ static void svc_stop (bool deps)
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continue;
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/* We used to loop 3 times here - maybe re-do this if needed */
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rc_service_wait (svc);
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svc_wait (deptree, svc);
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if (! (rc_service_state (svc) & RC_SERVICE_STOPPED)) {
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if (rc_runlevel_stopping ()) {
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/* If shutting down, we should stop even if a dependant failed */
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@ -899,7 +957,7 @@ static void svc_stop (bool deps)
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STRLIST_FOREACH (services, svc, i) {
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if (rc_service_state (svc) & RC_SERVICE_STOPPED)
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continue;
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rc_service_wait (svc);
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svc_wait (deptree, svc);
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}
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rc_strlist_free (services);
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