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authorZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-01-02 16:03:35 -0500
committerZbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl>2013-01-06 13:52:47 -0500
commitbd0af84999e6270af3dc9401382be21b76fb0311 (patch)
tree26ad45f45569a87da617d9dadf387295dea44646 /src
parent090cafa0678333435486f2d70296311d20a2ed5d (diff)
core/manager: modernize style
Diffstat (limited to 'src')
-rw-r--r--src/core/manager.c39
1 files changed, 25 insertions, 14 deletions
diff --git a/src/core/manager.c b/src/core/manager.c
index a3839e1538..ec3541418d 100644
--- a/src/core/manager.c
+++ b/src/core/manager.c
@@ -634,7 +634,8 @@ static void manager_build_unit_path_cache(Manager *m) {
STRV_FOREACH(i, m->lookup_paths.unit_path) {
struct dirent *de;
- if (!(d = opendir(*i))) {
+ d = opendir(*i);
+ if (!d) {
log_error("Failed to open directory: %m");
continue;
}
@@ -1033,7 +1034,8 @@ static int manager_process_notify_fd(Manager *m) {
msghdr.msg_control = &control;
msghdr.msg_controllen = sizeof(control);
- if ((n = recvmsg(m->notify_watch.fd, &msghdr, MSG_DONTWAIT)) <= 0) {
+ n = recvmsg(m->notify_watch.fd, &msghdr, MSG_DONTWAIT);
+ if (n <= 0) {
if (n >= 0)
return -EIO;
@@ -1053,16 +1055,20 @@ static int manager_process_notify_fd(Manager *m) {
ucred = (struct ucred*) CMSG_DATA(&control.cmsghdr);
- if (!(u = hashmap_get(m->watch_pids, LONG_TO_PTR(ucred->pid))))
- if (!(u = cgroup_unit_by_pid(m, ucred->pid))) {
+ u = hashmap_get(m->watch_pids, LONG_TO_PTR(ucred->pid));
+ if (!u) {
+ u = cgroup_unit_by_pid(m, ucred->pid);
+ if (!u) {
log_warning("Cannot find unit for notify message of PID %lu.", (unsigned long) ucred->pid);
continue;
}
+ }
assert((size_t) n < sizeof(buf));
buf[n] = 0;
- if (!(tags = strv_split(buf, "\n\r")))
- return -ENOMEM;
+ tags = strv_split(buf, "\n\r");
+ if (!tags)
+ return log_oom();
log_debug("Got notification message for unit %s", u->id);
@@ -1103,22 +1109,23 @@ static int manager_dispatch_sigchld(Manager *m) {
break;
if (si.si_code == CLD_EXITED || si.si_code == CLD_KILLED || si.si_code == CLD_DUMPED) {
- char *name = NULL;
+ char _cleanup_free_ *name = NULL;
get_process_comm(si.si_pid, &name);
log_debug("Got SIGCHLD for process %lu (%s)", (unsigned long) si.si_pid, strna(name));
- free(name);
}
/* Let's flush any message the dying child might still
* have queued for us. This ensures that the process
* still exists in /proc so that we can figure out
* which cgroup and hence unit it belongs to. */
- if ((r = manager_process_notify_fd(m)) < 0)
+ r = manager_process_notify_fd(m);
+ if (r < 0)
return r;
/* And now figure out the unit this belongs to */
- if (!(u = hashmap_get(m->watch_pids, LONG_TO_PTR(si.si_pid))))
+ u = hashmap_get(m->watch_pids, LONG_TO_PTR(si.si_pid));
+ if (!u)
u = cgroup_unit_by_pid(m, si.si_pid);
/* And now, we actually reap the zombie. */
@@ -1160,7 +1167,8 @@ static int manager_start_target(Manager *m, const char *name, JobMode mode) {
log_debug("Activating special unit %s", name);
- if ((r = manager_add_job_by_name(m, JOB_START, name, mode, true, &error, NULL)) < 0)
+ r = manager_add_job_by_name(m, JOB_START, name, mode, true, &error, NULL);
+ if (r < 0)
log_error("Failed to enqueue %s job: %s", name, bus_error(&error, r));
dbus_error_free(&error);
@@ -1667,7 +1675,8 @@ void manager_send_unit_audit(Manager *m, Unit *u, int type, bool success) {
if (u->type != UNIT_SERVICE)
return;
- if (!(p = unit_name_to_prefix_and_instance(u->id))) {
+ p = unit_name_to_prefix_and_instance(u->id);
+ if (!p) {
log_error("Failed to allocate unit name for audit message: %s", strerror(ENOMEM));
return;
}
@@ -1974,7 +1983,8 @@ int manager_deserialize(Manager *m, FILE *f, FDSet *fds) {
char_array_0(name);
- if ((r = manager_load_unit(m, strstrip(name), NULL, NULL, &u)) < 0)
+ r = manager_load_unit(m, strstrip(name), NULL, NULL, &u);
+ if (r < 0)
goto finish;
r = unit_deserialize(u, f, fds);
@@ -2131,7 +2141,8 @@ bool manager_unit_pending_inactive(Manager *m, const char *name) {
assert(name);
/* Returns true if the unit is inactive or going down */
- if (!(u = manager_get_unit(m, name)))
+ u = manager_get_unit(m, name);
+ if (!u)
return true;
return unit_pending_inactive(u);