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systemd/ulimit-support.patch

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From 03854532d39613723dc8b85c424737ecf2e46f74 Mon Sep 17 00:00:00 2001
From: Lennart Poettering <lennart@poettering.net>
Date: Mon, 16 Apr 2012 18:54:45 +0200
Subject: [PATCH 1/3] util: introduce memdup()
---
src/util.h | 2 ++
1 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/src/util.h b/src/util.h
index b1af6db..06c9933 100644
--- a/src/util.h
+++ b/src/util.h
@@ -99,6 +99,8 @@ bool streq_ptr(const char *a, const char *b);
#define new0(t, n) ((t*) calloc((n), sizeof(t)))
+#define newdup(t, p, n) ((t*) memdup(p, sizeof(t)*(n))
+
#define malloc0(n) (calloc((n), 1))
static inline const char* yes_no(bool b) {
--
1.7.7
From f60b5d436f502152415b08758737f200113ce4bc Mon Sep 17 00:00:00 2001
From: Frederic Crozat <fcrozat@suse.com>
Date: Mon, 21 May 2012 16:53:18 +0200
Subject: [PATCH 2/3] util: fix typo in newdup
Conflicts:
src/util.h
---
src/util.h | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/src/util.h b/src/util.h
index 06c9933..41b4c9f 100644
--- a/src/util.h
+++ b/src/util.h
@@ -99,7 +99,7 @@ bool streq_ptr(const char *a, const char *b);
#define new0(t, n) ((t*) calloc((n), sizeof(t)))
-#define newdup(t, p, n) ((t*) memdup(p, sizeof(t)*(n))
+#define newdup(t, p, n) ((t*) memdup(p, sizeof(t)*(n)))
#define malloc0(n) (calloc((n), 1))
--
1.7.7
From 8e7fa2b3e68b691c522cf2b60ed920452c146c2e Mon Sep 17 00:00:00 2001
From: Frederic Crozat <fcrozat@suse.com>
Date: Wed, 27 Jun 2012 14:12:44 +0200
Subject: [PATCH 3/3] main: allow system wide limits for services
---
man/systemd.conf.xml | 27 +++++++++++++++++++++++++++
src/main.c | 22 ++++++++++++++++++++++
src/manager.c | 22 ++++++++++++++++++++++
src/manager.h | 3 +++
src/service.c | 4 ++++
5 files changed, 78 insertions(+), 0 deletions(-)
diff --git a/man/systemd.conf.xml b/man/systemd.conf.xml
index ba144da..ee461e3 100644
--- a/man/systemd.conf.xml
+++ b/man/systemd.conf.xml
@@ -149,6 +149,33 @@
controllers in separate
hierarchies.</para></listitem>
</varlistentry>
+
+ <varlistentry>
+ <term><varname>DefaultLimitCPU=</varname></term>
+ <term><varname>DefaultLimitFSIZE=</varname></term>
+ <term><varname>DefaultLimitDATA=</varname></term>
+ <term><varname>DefaultLimitSTACK=</varname></term>
+ <term><varname>DefaultLimitCORE=</varname></term>
+ <term><varname>DefaultLimitRSS=</varname></term>
+ <term><varname>DefaultLimitNOFILE=</varname></term>
+ <term><varname>DefaultLimitAS=</varname></term>
+ <term><varname>DefaultLimitNPROC=</varname></term>
+ <term><varname>DefaultLimitMEMLOCK=</varname></term>
+ <term><varname>DefaultLimitLOCKS=</varname></term>
+ <term><varname>DefaultLimitSIGPENDING=</varname></term>
+ <term><varname>DefaultLimitMSGQUEUE=</varname></term>
+ <term><varname>DefaultLimitNICE=</varname></term>
+ <term><varname>DefaultLimitRTPRIO=</varname></term>
+ <term><varname>DefaultLimitRTTIME=</varname></term>
+ <listitem><para>These settings control
+ various default resource limits for units. See
+ <citerefentry><refentrytitle>setrlimit</refentrytitle><manvolnum>2</manvolnum></citerefentry>
+ for details. Use the string
+ <varname>infinity</varname> to
+ configure no limit on a specific
+ resource. They can be overriden in units files
+ using corresponding LimitXXXX parameter.</para></listitem>
+ </varlistentry>
</variablelist>
</refsect1>
diff --git a/src/main.c b/src/main.c
index ed317b4..3f5f3d7 100644
--- a/src/main.c
+++ b/src/main.c
@@ -79,6 +79,7 @@ static char **arg_default_controllers = NULL;
static char ***arg_join_controllers = NULL;
static ExecOutput arg_default_std_output = EXEC_OUTPUT_JOURNAL;
static ExecOutput arg_default_std_error = EXEC_OUTPUT_INHERIT;
+static struct rlimit *arg_default_rlimit[RLIMIT_NLIMITS] = {};
static FILE* serialization = NULL;
@@ -659,6 +660,22 @@ static int parse_config_file(void) {
{ "Manager", "DefaultStandardOutput", config_parse_output, 0, &arg_default_std_output },
{ "Manager", "DefaultStandardError", config_parse_output, 0, &arg_default_std_error },
{ "Manager", "JoinControllers", config_parse_join_controllers, 0, &arg_join_controllers },
+ { "Manager", "DefaultLimitCPU", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CPU]},
+ { "Manager", "DefaultLimitFSIZE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_FSIZE]},
+ { "Manager", "DefaultLimitDATA", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_DATA]},
+ { "Manager", "DefaultLimitSTACK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_STACK]},
+ { "Manager", "DefaultLimitCORE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_CORE]},
+ { "Manager", "DefaultLimitRSS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RSS]},
+ { "Manager", "DefaultLimitNOFILE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NOFILE]},
+ { "Manager", "DefaultLimitAS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_AS]},
+ { "Manager", "DefaultLimitNPROC", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NPROC]},
+ { "Manager", "DefaultLimitMEMLOCK", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MEMLOCK]},
+ { "Manager", "DefaultLimitLOCKS", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_LOCKS]},
+ { "Manager", "DefaultLimitSIGPENDING",config_parse_limit, 0, &arg_default_rlimit[RLIMIT_SIGPENDING]},
+ { "Manager", "DefaultLimitMSGQUEUE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_MSGQUEUE]},
+ { "Manager", "DefaultLimitNICE", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_NICE]},
+ { "Manager", "DefaultLimitRTPRIO", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTPRIO]},
+ { "Manager", "DefaultLimitRTTIME", config_parse_limit, 0, &arg_default_rlimit[RLIMIT_RTTIME]},
{ NULL, NULL, NULL, 0, NULL }
};
@@ -1401,6 +1418,8 @@ int main(int argc, char *argv[]) {
m->default_std_output = arg_default_std_output;
m->default_std_error = arg_default_std_error;
+ manager_set_default_rlimits(m, arg_default_rlimit);
+
if (dual_timestamp_is_set(&initrd_timestamp))
m->initrd_timestamp = initrd_timestamp;
@@ -1539,6 +1558,9 @@ finish:
if (m)
manager_free(m);
+ for (j = 0; j < RLIMIT_NLIMITS; j++)
+ free (arg_default_rlimit[j]);
+
free(arg_default_unit);
strv_free(arg_default_controllers);
free_join_controllers();
diff --git a/src/manager.c b/src/manager.c
index 3e592b6..c6cd06c 100644
--- a/src/manager.c
+++ b/src/manager.c
@@ -456,6 +456,7 @@ static void manager_clear_jobs_and_units(Manager *m) {
void manager_free(Manager *m) {
UnitType c;
+ int i;
assert(m);
@@ -501,6 +502,9 @@ void manager_free(Manager *m) {
hashmap_free(m->cgroup_bondings);
set_free_free(m->unit_path_cache);
+ for (i = 0; i < RLIMIT_NLIMITS; i++)
+ free(m->rlimit[i]);
+
free(m);
}
@@ -3137,6 +3141,24 @@ int manager_set_default_controllers(Manager *m, char **controllers) {
return 0;
}
+int manager_set_default_rlimits(Manager *m, struct rlimit **default_rlimit) {
+ int i;
+
+ assert(m);
+
+ for (i = 0; i < RLIMIT_NLIMITS; i++) {
+ if (default_rlimit[i]) {
+ m->rlimit[i] = newdup(struct rlimit, default_rlimit[i], 1);
+
+ if (!m->rlimit[i])
+ return -ENOMEM;
+ }
+ }
+
+ return 0;
+}
+
+
void manager_recheck_journal(Manager *m) {
Unit *u;
diff --git a/src/manager.h b/src/manager.h
index a9d08f0..5f5de8e 100644
--- a/src/manager.h
+++ b/src/manager.h
@@ -225,6 +225,8 @@ struct Manager {
ExecOutput default_std_output, default_std_error;
+ struct rlimit *rlimit[RLIMIT_NLIMITS];
+
/* non-zero if we are reloading or reexecuting, */
int n_reloading;
@@ -263,6 +265,7 @@ unsigned manager_dispatch_run_queue(Manager *m);
unsigned manager_dispatch_dbus_queue(Manager *m);
int manager_set_default_controllers(Manager *m, char **controllers);
+int manager_set_default_rlimits(Manager *m, struct rlimit **default_rlimit);
int manager_loop(Manager *m);
diff --git a/src/service.c b/src/service.c
index 8b5c0b0..892392d 100644
--- a/src/service.c
+++ b/src/service.c
@@ -109,6 +109,7 @@ static const UnitActiveState state_translation_table[_SERVICE_STATE_MAX] = {
static void service_init(Unit *u) {
Service *s = SERVICE(u);
+ int i;
assert(u);
assert(u->load_state == UNIT_STUB);
@@ -127,6 +128,9 @@ static void service_init(Unit *u) {
s->guess_main_pid = true;
exec_context_init(&s->exec_context);
+ for (i = 0; i < RLIMIT_NLIMITS; i++)
+ if (UNIT(s)->manager->rlimit[i])
+ s->exec_context.rlimit[i] = newdup(struct rlimit, UNIT(s)->manager->rlimit[i], 1);
RATELIMIT_INIT(s->start_limit, 10*USEC_PER_SEC, 5);
--
1.7.7