From 38b48754f787e7956dc97ebae6891203358a032e Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Tue, 2 Feb 2010 12:50:04 +0100 Subject: [PATCH] execute: allow configuration of SCHED_RESET_ON_FORK --- execute.c | 9 ++++++--- execute.h | 2 ++ load-fragment.c | 1 + 3 files changed, 9 insertions(+), 3 deletions(-) diff --git a/execute.c b/execute.c index ae32bcada..65a7fbba1 100644 --- a/execute.c +++ b/execute.c @@ -347,7 +347,8 @@ int exec_spawn(const ExecCommand *command, const ExecContext *context, int *fds, zero(param); param.sched_priority = context->cpu_sched_priority; - if (sched_setscheduler(0, context->cpu_sched_policy, ¶m) < 0) { + if (sched_setscheduler(0, context->cpu_sched_policy | + (context->cpu_sched_reset_on_fork ? SCHED_RESET_ON_FORK : 0), ¶m) < 0) { r = EXIT_SETSCHEDULER; goto fail; } @@ -563,9 +564,11 @@ void exec_context_dump(ExecContext *c, FILE* f, const char *prefix) { if (c->cpu_sched_set) fprintf(f, "%sCPUSchedulingPolicy: %s\n" - "%sCPUSchedulingPriority: %i\n", + "%sCPUSchedulingPriority: %i\n" + "%sCPUSchedulingResetOnFork: %s\n", prefix, sched_policy_to_string(c->cpu_sched_policy), - prefix, c->cpu_sched_priority); + prefix, c->cpu_sched_priority, + prefix, yes_no(c->cpu_sched_reset_on_fork)); if (c->cpu_affinity_set) { fprintf(f, "%sCPUAffinity:", prefix); diff --git a/execute.h b/execute.h index 09e436797..4f700efd4 100644 --- a/execute.h +++ b/execute.h @@ -70,6 +70,8 @@ struct ExecContext { bool cpu_affinity_set:1; bool timer_slack_ns_set:1; + bool cpu_sched_reset_on_fork; + ExecInput input; ExecOutput output; int syslog_priority; diff --git a/load-fragment.c b/load-fragment.c index 4bb1ef010..c271ce5a5 100644 --- a/load-fragment.c +++ b/load-fragment.c @@ -1024,6 +1024,7 @@ static int load_from_path(Unit *u, const char *path) { { "IOSchedulingPriority", config_parse_io_priority, &(context), section }, \ { "CPUSchedulingPolicy", config_parse_cpu_sched_policy,&(context), section }, \ { "CPUSchedulingPriority", config_parse_cpu_sched_prio, &(context), section }, \ + { "CPUSchedulingResetOnFork", config_parse_bool, &(context).cpu_sched_reset_on_fork, section }, \ { "CPUAffinity", config_parse_cpu_affinity, &(context), section }, \ { "UMask", config_parse_umask, &(context).umask, section }, \ { "Environment", config_parse_strv, &(context).environment, section }, \ -- 2.30.2