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-rw-r--r--etc/rc.conf6
-rw-r--r--man/start-stop-daemon.86
-rw-r--r--man/supervise-daemon.88
-rw-r--r--src/rc/start-stop-daemon.c29
-rw-r--r--src/rc/supervise-daemon.c30
5 files changed, 71 insertions, 8 deletions
diff --git a/etc/rc.conf b/etc/rc.conf
index 11e8449a..e93eed59 100644
--- a/etc/rc.conf
+++ b/etc/rc.conf
@@ -116,10 +116,12 @@
# Some daemons are started and stopped via start-stop-daemon.
# We can set some things on a per service basis, like the nicelevel.
-#SSD_NICELEVEL="-19"
+#SSD_NICELEVEL="0"
# Or the ionice level. The format is class[:data] , just like the
# --ionice start-stop-daemon parameter.
-#SSD_IONICELEVEL="2:2"
+#SSD_IONICELEVEL="0:0"
+# Or the OOM score adjustment.
+#SSD_OOM_SCORE_ADJ="0"
# Pass ulimit parameters
# If you are using bash in POSIX mode for your shell, note that the
diff --git a/man/start-stop-daemon.8 b/man/start-stop-daemon.8
index d5eb5123..e5aa4684 100644
--- a/man/start-stop-daemon.8
+++ b/man/start-stop-daemon.8
@@ -128,6 +128,8 @@ Class can be 0 for none, 1 for real time, 2 for best effort and 3 for idle.
Data can be from 0 to 7 inclusive.
.It Fl N , -nicelevel Ar level
Modifies the scheduling priority of the daemon.
+.It Fl -oom-score-adj Ar adj
+Modifies the OOM score adjustment of the daemon.
.It Fl 1 , -stdout Ar logfile
Redirect the standard output of the process to logfile when started with
.Fl background .
@@ -187,6 +189,10 @@ option takes precedence.
can also set the scheduling priority of the daemon, but the command line
option takes precedence.
.Pp
+.Va SSD_OOM_SCORE_ADJ
+can also set the OOM score adjustment of the daemon, but the command line
+option takes precedence.
+.Pp
.Va SSD_STARTWAIT
As the
.Fl w , -wait option above.
diff --git a/man/supervise-daemon.8 b/man/supervise-daemon.8
index ffd64f97..69e2ff3f 100644
--- a/man/supervise-daemon.8
+++ b/man/supervise-daemon.8
@@ -37,6 +37,8 @@ servicename
.Ar count
.Fl N , -nicelevel
.Ar level
+.Fl -oom-score-adj
+.Ar adj
.Fl p , -pidfile
.Ar supervisorpidfile
.Fl P , -respawn-period
@@ -129,6 +131,8 @@ Sets a path for the supervisor's pid file. Note that this is not the pid
file of the process that is being supervised.
.It Fl N , -nicelevel Ar level
Modifies the scheduling priority of the daemon.
+.It Fl -oom-score-adj Ar adj
+Modifies the OOM score adjustment of the daemon.
.It Fl P , -respawn-period Ar seconds
Sets the length of a respawn period. See the
description of --respawn-max for more information.
@@ -163,6 +167,10 @@ option takes precedence.
.Va SSD_NICELEVEL
can also set the scheduling priority of the daemon, but the command line
option takes precedence.
+.Pp
+.Va SSD_OOM_SCORE_ADJ
+can also set the OOM score adjustment of the daemon, but the command line
+option takes precedence.
.Sh NOTE
.Nm
uses
diff --git a/src/rc/start-stop-daemon.c b/src/rc/start-stop-daemon.c
index e6febe82..62e579d1 100644
--- a/src/rc/start-stop-daemon.c
+++ b/src/rc/start-stop-daemon.c
@@ -72,6 +72,7 @@ const struct option longopts[] = {
{ "ionice", 1, NULL, 'I'},
{ "stop", 0, NULL, 'K'},
{ "nicelevel", 1, NULL, 'N'},
+ { "oom-score-adj",1, NULL,0x80},
{ "retry", 1, NULL, 'R'},
{ "start", 0, NULL, 'S'},
{ "startas", 1, NULL, 'a'},
@@ -103,6 +104,7 @@ const char * const longopts_help[] = {
"Set an ionice class:data when starting",
"Stop daemon",
"Set a nicelevel when starting",
+ "Set OOM score adjustment when starting",
"Retry schedule to use when stopping",
"Start daemon",
"deprecated, use --exec or --name",
@@ -270,7 +272,8 @@ int main(int argc, char **argv)
char *pidfile = NULL;
char *retry = NULL;
int sig = -1;
- int nicelevel = 0, ionicec = -1, ioniced = 0;
+ int nicelevel = INT_MIN, ionicec = -1, ioniced = 0;
+ int oom_score_adj = INT_MIN;
bool background = false;
bool makepidfile = false;
bool interpreted = false;
@@ -327,6 +330,10 @@ int main(int argc, char **argv)
ioniced = 7;
ionicec <<= 13; /* class shift */
}
+ if ((tmp = getenv("SSD_OOM_SCORE_ADJ")))
+ if (sscanf(tmp, "%d", &oom_score_adj) != 1)
+ eerror("%s: invalid oom_score_adj `%s' (SSD_OOM_SCORE_ADJ)",
+ applet, tmp);
/* Get our user name and initial dir */
p = getenv("USER");
@@ -367,6 +374,12 @@ int main(int argc, char **argv)
applet, optarg);
break;
+ case 0x80: /* --oom-score-adj */
+ if (sscanf(optarg, "%d", &oom_score_adj) != 1)
+ eerrorx("%s: invalid oom-score-adj `%s'",
+ applet, optarg);
+ break;
+
case 'P': /* --progress */
progress = true;
break;
@@ -778,7 +791,7 @@ int main(int argc, char **argv)
devnull_fd = open("/dev/null", O_RDWR);
- if (nicelevel) {
+ if (nicelevel != INT_MIN) {
if (setpriority(PRIO_PROCESS, mypid, nicelevel) == -1)
eerrorx("%s: setpriority %d: %s",
applet, nicelevel,
@@ -790,6 +803,15 @@ int main(int argc, char **argv)
eerrorx("%s: ioprio_set %d %d: %s", applet,
ionicec, ioniced, strerror(errno));
+ if (oom_score_adj != INT_MIN) {
+ fp = fopen("/proc/self/oom_score_adj", "w");
+ if (!fp)
+ eerrorx("%s: oom_score_adj %d: %s", applet,
+ oom_score_adj, strerror(errno));
+ fprintf(fp, "%d\n", oom_score_adj);
+ fclose(fp);
+ }
+
if (ch_root && chroot(ch_root) < 0)
eerrorx("%s: chroot `%s': %s",
applet, ch_root, strerror(errno));
@@ -867,7 +889,8 @@ int main(int argc, char **argv)
strncmp(env->value, "RC_SERVICE=", 11) != 0 &&
strncmp(env->value, "RC_SVCNAME=", 11) != 0) ||
strncmp(env->value, "SSD_NICELEVEL=", 14) == 0 ||
- strncmp(env->value, "SSD_IONICELEVEL=", 16) == 0)
+ strncmp(env->value, "SSD_IONICELEVEL=", 16) == 0 ||
+ strncmp(env->value, "SSD_OOM_SCORE_ADJ=", 18) == 0)
{
p = strchr(env->value, '=');
*p = '\0';
diff --git a/src/rc/supervise-daemon.c b/src/rc/supervise-daemon.c
index 49b09c04..ddadb677 100644
--- a/src/rc/supervise-daemon.c
+++ b/src/rc/supervise-daemon.c
@@ -82,6 +82,7 @@ const struct option longopts[] = {
{ "umask", 1, NULL, 'k'},
{ "respawn-max", 1, NULL, 'm'},
{ "nicelevel", 1, NULL, 'N'},
+ { "oom-score-adj",1, NULL,0x80},
{ "pidfile", 1, NULL, 'p'},
{ "respawn-period", 1, NULL, 'P'},
{ "retry", 1, NULL, 'R'},
@@ -106,6 +107,7 @@ const char * const longopts_help[] = {
"Set the umask for the daemon",
"set maximum number of respawn attempts",
"Set a nicelevel when starting",
+ "Set OOM score adjustment when starting",
"Match pid found in this file",
"Set respawn time period",
"Retry schedule to use when stopping",
@@ -124,9 +126,10 @@ static int healthcheckdelay = 0;
static int healthchecktimer = 0;
static volatile sig_atomic_t do_healthcheck = 0;
static volatile sig_atomic_t exiting = 0;
-static int nicelevel = 0;
+static int nicelevel = INT_MIN;
static int ionicec = -1;
static int ioniced = 0;
+static int oom_score_adj = INT_MIN;
static char *changeuser, *ch_root, *ch_dir;
static uid_t uid = 0;
static gid_t gid = 0;
@@ -332,6 +335,7 @@ static void child_process(char *exec, char **argv)
time_t start_time;
char start_count_string[20];
char start_time_string[20];
+ FILE *fp;
#ifdef HAVE_PAM
pam_handle_t *pamh = NULL;
@@ -351,7 +355,7 @@ static void child_process(char *exec, char **argv)
rc_service_value_set(svcname, "child_pid", start_count_string);
}
- if (nicelevel) {
+ if (nicelevel != INT_MIN) {
if (setpriority(PRIO_PROCESS, getpid(), nicelevel) == -1)
eerrorx("%s: setpriority %d: %s", applet, nicelevel,
strerror(errno));
@@ -361,6 +365,15 @@ static void child_process(char *exec, char **argv)
eerrorx("%s: ioprio_set %d %d: %s", applet, ionicec, ioniced,
strerror(errno));
+ if (oom_score_adj != INT_MIN) {
+ fp = fopen("/proc/self/oom_score_adj", "w");
+ if (!fp)
+ eerrorx("%s: oom_score_adj %d: %s", applet,
+ oom_score_adj, strerror(errno));
+ fprintf(fp, "%d\n", oom_score_adj);
+ fclose(fp);
+ }
+
if (ch_root && chroot(ch_root) < 0)
eerrorx("%s: chroot `%s': %s", applet, ch_root, strerror(errno));
@@ -424,7 +437,8 @@ static void child_process(char *exec, char **argv)
strncmp(env->value, "RC_SERVICE=", 11) != 0 &&
strncmp(env->value, "RC_SVCNAME=", 11) != 0) ||
strncmp(env->value, "SSD_NICELEVEL=", 14) == 0 ||
- strncmp(env->value, "SSD_IONICELEVEL=", 16) == 0)
+ strncmp(env->value, "SSD_IONICELEVEL=", 16) == 0 ||
+ strncmp(env->value, "SSD_OOM_SCORE_ADJ=", 18) == 0)
{
p = strchr(env->value, '=');
*p = '\0';
@@ -745,6 +759,10 @@ int main(int argc, char **argv)
ioniced = 7;
ionicec <<= 13; /* class shift */
}
+ if ((tmp = getenv("SSD_OOM_SCORE_ADJ")))
+ if (sscanf(tmp, "%d", &oom_score_adj) != 1)
+ eerror("%s: invalid oom_score_adj `%s' (SSD_OOM_SCORE_ADJ)",
+ applet, tmp);
/* Get our user name and initial dir */
p = getenv("USER");
@@ -806,6 +824,12 @@ int main(int argc, char **argv)
applet, optarg);
break;
+ case 0x80: /* --oom-score-adj */
+ if (sscanf(optarg, "%d", &oom_score_adj) != 1)
+ eerrorx("%s: invalid oom-score-adj `%s'",
+ applet, optarg);
+ break;
+
case 'P': /* --respawn-period time */
n = sscanf(optarg, "%d", &respawn_period);
if (n != 1 || respawn_period < 1)
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-20 08:25:45 +0000