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machined: add support for memory pressure + SIGRTMIN+18

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This commit is contained in:
Lennart Poettering
2023-02-15 11:31:45 +01:00
parent 375c34d8cd
commit 4bdb8bd9ec
1 changed files with 11 additions and 1 deletions
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12
src/machine/machined.c
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@@ -12,6 +12,7 @@
#include "bus-log-control-api.h"
#include "bus-polkit.h"
#include "cgroup-util.h"
#include "common-signal.h"
#include "daemon-util.h"
#include "dirent-util.h"
#include "discover-image.h"
@@ -61,6 +62,15 @@ static int manager_new(Manager **ret) {
if (r < 0)
return r;
r = sd_event_add_signal(m->event, NULL, SIGRTMIN+18, sigrtmin18_handler, NULL);
if (r < 0)
return r;
r = sd_event_add_memory_pressure(m->event, NULL, NULL, NULL);
if (r < 0)
log_full_errno(ERRNO_IS_NOT_SUPPORTED(r) || ERRNO_IS_PRIVILEGE(r) || r == -EHOSTDOWN ? LOG_DEBUG : LOG_NOTICE, r,
"Unable to create memory pressure event source, ignoring: %m");
(void) sd_event_set_watchdog(m->event, true);
*ret = TAKE_PTR(m);
@@ -339,7 +349,7 @@ static int run(int argc, char *argv[]) {
* make sure this check stays in. */
(void) mkdir_label("/run/systemd/machines", 0755);
assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGCHLD, SIGTERM, SIGINT, -1) >= 0);
assert_se(sigprocmask_many(SIG_BLOCK, NULL, SIGCHLD, SIGTERM, SIGINT, SIGRTMIN+18, -1) >= 0);
r = manager_new(&m);
if (r < 0)