From db06e3b6a5254ec247de5bc1a1b6a8670c2f4b2b Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Sat, 24 Apr 2010 04:26:33 +0200 Subject: [PATCH] service: sysv priorities in link names should take precedence, since they are possibly fixed up by chkconfig --- manager.c | 26 +++++++++++++-- manager.h | 1 + service.c | 98 +++++++++++++------------------------------------------ 3 files changed, 47 insertions(+), 78 deletions(-) diff --git a/manager.c b/manager.c index c6555d40..cf1c1481 100644 --- a/manager.c +++ b/manager.c @@ -1536,15 +1536,15 @@ unsigned manager_dispatch_load_queue(Manager *m) { return n; } -int manager_load_unit(Manager *m, const char *name, const char *path, Unit **_ret) { +int manager_load_unit_prepare(Manager *m, const char *name, const char *path, Unit **_ret) { Unit *ret; int r; assert(m); assert(name || path); - /* This will load the service information files, but not actually - * start any services or anything. */ + /* This will prepare the unit for loading, but not actually + * load anything from disk. */ if (path && !is_path(path)) return -EINVAL; @@ -1577,6 +1577,24 @@ int manager_load_unit(Manager *m, const char *name, const char *path, Unit **_re unit_add_to_load_queue(ret); unit_add_to_dbus_queue(ret); + if (_ret) + *_ret = ret; + + return 0; +} + +int manager_load_unit(Manager *m, const char *name, const char *path, Unit **_ret) { + Unit *ret; + int r; + + assert(m); + + /* This will load the service information files, but not actually + * start any services or anything. */ + + if ((r = manager_load_unit_prepare(m, name, path, &ret)) < 0) + return r; + manager_dispatch_load_queue(m); if (_ret) @@ -1767,6 +1785,8 @@ static int manager_process_signal_fd(Manager *m) { case SIGTERM: if (m->running_as == MANAGER_INIT) + /* This is for compatibility with the + * original sysvinit */ m->exit_code = MANAGER_REEXECUTE; else m->exit_code = MANAGER_EXIT; diff --git a/manager.h b/manager.h index 3790cfd2..0a09430f 100644 --- a/manager.h +++ b/manager.h @@ -240,6 +240,7 @@ Unit *manager_get_unit(Manager *m, const char *name); int manager_get_unit_from_dbus_path(Manager *m, const char *s, Unit **_u); int manager_get_job_from_dbus_path(Manager *m, const char *s, Job **_j); +int manager_load_unit_prepare(Manager *m, const char *name, const char *path, Unit **_ret); int manager_load_unit(Manager *m, const char *name, const char *path, Unit **_ret); int manager_add_job(Manager *m, JobType type, Unit *unit, JobMode mode, bool force, Job **_ret); diff --git a/service.c b/service.c index 298cc27e..ec466181 100644 --- a/service.c +++ b/service.c @@ -273,71 +273,12 @@ static int sysv_exec_commands(Service *s) { return 0; } -static int priority_from_rcd(Service *s, const char *init_script) { - char **p; - unsigned i; - - STRV_FOREACH(p, UNIT(s)->meta.manager->sysvrcnd_path) - for (i = 0; i < ELEMENTSOF(rcnd_table); i += 2) { - char *path; - DIR *d; - struct dirent *de; - - if (asprintf(&path, "%s/%s", *p, rcnd_table[i]) < 0) - return -ENOMEM; - - d = opendir(path); - free(path); - - if (!d) { - if (errno != ENOENT) - log_warning("opendir() failed on %s: %s", path, strerror(errno)); - - continue; - } - - while ((de = readdir(d))) { - int a, b; - - if (ignore_file(de->d_name)) - continue; - - if (de->d_name[0] != 'S') - continue; - - if (strlen(de->d_name) < 4) - continue; - - if (!streq(de->d_name + 3, init_script)) - continue; - - /* Yay, we found it! Now decode the priority */ - - a = undecchar(de->d_name[1]); - b = undecchar(de->d_name[2]); - - if (a < 0 || b < 0) - continue; - - s->sysv_start_priority = a*10 + b; - - log_debug("Determined priority %i from link farm for %s", s->sysv_start_priority, UNIT(s)->meta.id); - - closedir(d); - return 0; - } - - closedir(d); - } - - return 0; -} - static int service_load_sysv_path(Service *s, const char *path) { FILE *f; Unit *u; unsigned line = 0; int r; + bool normal_service; enum { NORMAL, DESCRIPTION, @@ -416,7 +357,7 @@ static int service_load_sysv_path(Service *s, const char *path) { if (start_priority < 0 || start_priority > 99) log_warning("[%s:%u] Start priority out of range. Ignoring.", path, line); - else + else if (s->sysv_start_priority < 0) s->sysv_start_priority = start_priority; char_array_0(runlevels); @@ -434,7 +375,6 @@ static int service_load_sysv_path(Service *s, const char *path) { s->sysv_runlevels = d; } - } else if (startswith(t, "description:")) { size_t k = strlen(t); @@ -634,20 +574,15 @@ static int service_load_sysv_path(Service *s, const char *path) { * a priority for *all* init scripts here, since they are * needed as soon as at least one non-LSB script is used. */ - if (s->sysv_start_priority < 0) { - log_debug("%s has no chkconfig header, trying to determine SysV priority from link farm.", u->meta.id); - - if ((r = priority_from_rcd(s, file_name_from_path(path))) < 0) - goto finish; - - if (s->sysv_start_priority < 0) - log_warning("%s has neither a chkconfig header nor a directory link, cannot order unit!", u->meta.id); - } + if (s->sysv_start_priority < 0) + log_warning("%s has neither a chkconfig header nor a directory link, cannot order unit!", u->meta.id); if ((r = sysv_exec_commands(s)) < 0) goto finish; - if (!s->sysv_runlevels || chars_intersect("12345", s->sysv_runlevels)) { + normal_service = !s->sysv_runlevels || chars_intersect("12345", s->sysv_runlevels); + + if (normal_service) { /* If there a runlevels configured for this service * but none of the standard ones, then we assume this * is some special kind of service (which might be @@ -664,8 +599,8 @@ static int service_load_sysv_path(Service *s, const char *path) { s->kill_mode = KILL_PROCESS_GROUP; /* Don't timeout special services during boot (like fsck) */ - if (s->sysv_runlevels && !chars_intersect("12345", s->sysv_runlevels)) - s->timeout_usec = -1; + if (s->sysv_runlevels && !normal_service) + s->timeout_usec = 0; u->meta.load_state = UNIT_LOADED; r = 0; @@ -2210,6 +2145,7 @@ static int service_enumerate(Manager *m) { while ((de = readdir(d))) { Unit *service; + int a, b; if (ignore_file(de->d_name)) continue; @@ -2220,6 +2156,12 @@ static int service_enumerate(Manager *m) { if (strlen(de->d_name) < 4) continue; + a = undecchar(de->d_name[1]); + b = undecchar(de->d_name[2]); + + if (a < 0 || b < 0) + continue; + free(fpath); fpath = NULL; if (asprintf(&fpath, "%s/%s/%s", *p, rcnd_table[i], de->d_name) < 0) { @@ -2242,9 +2184,15 @@ static int service_enumerate(Manager *m) { goto finish; } - if ((r = manager_load_unit(m, name, NULL, &service)) < 0) + if ((r = manager_load_unit_prepare(m, name, NULL, &service)) < 0) goto finish; + if (de->d_name[0] == 'S') + SERVICE(service)->sysv_start_priority = a*10 + b; + + manager_dispatch_load_queue(m); + service = unit_follow_merge(service); + if (de->d_name[0] == 'S') { Unit *runlevel_target; -- 2.39.5