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Diffstat (limited to 'src/core/swap.c')
-rw-r--r--src/core/swap.c51
1 files changed, 14 insertions, 37 deletions
diff --git a/src/core/swap.c b/src/core/swap.c
index 4f3ddc9f04..f42d151075 100644
--- a/src/core/swap.c
+++ b/src/core/swap.c
@@ -59,8 +59,7 @@ static void swap_unset_proc_swaps(Swap *s) {
if (!s->from_proc_swaps)
return;
- free(s->parameters_proc_swaps.what);
- s->parameters_proc_swaps.what = NULL;
+ s->parameters_proc_swaps.what = mfree(s->parameters_proc_swaps.what);
s->from_proc_swaps = false;
}
@@ -87,8 +86,7 @@ static int swap_set_devnode(Swap *s, const char *devnode) {
else
hashmap_remove(swaps, s->devnode);
- free(s->devnode);
- s->devnode = NULL;
+ s->devnode = mfree(s->devnode);
}
if (devnode) {
@@ -141,14 +139,9 @@ static void swap_done(Unit *u) {
swap_unset_proc_swaps(s);
swap_set_devnode(s, NULL);
- free(s->what);
- s->what = NULL;
-
- free(s->parameters_fragment.what);
- s->parameters_fragment.what = NULL;
-
- free(s->parameters_fragment.options);
- s->parameters_fragment.options = NULL;
+ s->what = mfree(s->what);
+ s->parameters_fragment.what = mfree(s->parameters_fragment.what);
+ s->parameters_fragment.options = mfree(s->parameters_fragment.options);
s->exec_runtime = exec_runtime_unref(s->exec_runtime);
exec_command_done_array(s->exec_command, _SWAP_EXEC_COMMAND_MAX);
@@ -215,7 +208,7 @@ static int swap_add_default_dependencies(Swap *s) {
if (UNIT(s)->manager->running_as != MANAGER_SYSTEM)
return 0;
- if (detect_container(NULL) > 0)
+ if (detect_container() > 0)
return 0;
return unit_add_two_dependencies_by_name(UNIT(s), UNIT_BEFORE, UNIT_CONFLICTS, SPECIAL_UMOUNT_TARGET, NULL, true);
@@ -604,6 +597,9 @@ static int swap_spawn(Swap *s, ExecCommand *c, pid_t *_pid) {
.apply_chroot = true,
.apply_tty_stdin = true,
.bus_endpoint_fd = -1,
+ .stdin_fd = -1,
+ .stdout_fd = -1,
+ .stderr_fd = -1,
};
assert(s);
@@ -824,7 +820,7 @@ static int swap_start(Unit *u) {
assert(s->state == SWAP_DEAD || s->state == SWAP_FAILED);
- if (detect_container(NULL) > 0)
+ if (detect_container() > 0)
return -EPERM;
/* If there's a job for another swap unit for the same node
@@ -857,7 +853,7 @@ static int swap_stop(Unit *u) {
s->state == SWAP_ACTIVATING_DONE ||
s->state == SWAP_ACTIVE);
- if (detect_container(NULL) > 0)
+ if (detect_container() > 0)
return -EPERM;
swap_enter_deactivating(s);
@@ -1259,13 +1255,9 @@ static void swap_shutdown(Manager *m) {
m->swap_event_source = sd_event_source_unref(m->swap_event_source);
- if (m->proc_swaps) {
- fclose(m->proc_swaps);
- m->proc_swaps = NULL;
- }
+ m->proc_swaps = safe_fclose(m->proc_swaps);
- hashmap_free(m->swaps_by_devnode);
- m->swaps_by_devnode = NULL;
+ m->swaps_by_devnode = hashmap_free(m->swaps_by_devnode);
}
static int swap_enumerate(Manager *m) {
@@ -1404,26 +1396,11 @@ static bool swap_supported(void) {
if (supported < 0)
supported =
access("/proc/swaps", F_OK) >= 0 &&
- detect_container(NULL) <= 0;
+ detect_container() <= 0;
return supported;
}
-static const char* const swap_state_table[_SWAP_STATE_MAX] = {
- [SWAP_DEAD] = "dead",
- [SWAP_ACTIVATING] = "activating",
- [SWAP_ACTIVATING_DONE] = "activating-done",
- [SWAP_ACTIVE] = "active",
- [SWAP_DEACTIVATING] = "deactivating",
- [SWAP_ACTIVATING_SIGTERM] = "activating-sigterm",
- [SWAP_ACTIVATING_SIGKILL] = "activating-sigkill",
- [SWAP_DEACTIVATING_SIGTERM] = "deactivating-sigterm",
- [SWAP_DEACTIVATING_SIGKILL] = "deactivating-sigkill",
- [SWAP_FAILED] = "failed"
-};
-
-DEFINE_STRING_TABLE_LOOKUP(swap_state, SwapState);
-
static const char* const swap_exec_command_table[_SWAP_EXEC_COMMAND_MAX] = {
[SWAP_EXEC_ACTIVATE] = "ExecActivate",
[SWAP_EXEC_DEACTIVATE] = "ExecDeactivate",