Revision: 23909 http://trac.macosforge.org/projects/launchd/changeset/23909 Author: dsorresso@apple.com Date: 2009-04-27 10:02:41 -0700 (Mon, 27 Apr 2009) Log Message: ----------- <rdar://problem/6826450> Modified Paths: -------------- trunk/launchd/src/launch_priv.h trunk/launchd/src/launchd_core_logic.c Modified: trunk/launchd/src/launch_priv.h =================================================================== --- trunk/launchd/src/launch_priv.h 2009-04-24 22:51:09 UTC (rev 23908) +++ trunk/launchd/src/launch_priv.h 2009-04-27 17:02:41 UTC (rev 23909) @@ -61,8 +61,8 @@ #define LAUNCH_JOBKEY_JETSAMPRIORITY "JetsamPriority" #define LAUNCH_JOBKEY_SECURITYSESSIONUUID "SecuritySessionUUID" -#define LAUNCH_JOBKEY_EMBEDDEDSHUTDOWNAUTHORITY "EmbeddedShutdownAuthority" #define LAUNCH_JOBKEY_EMBEDDEDPRIVILEGEDISPENSATION "EmbeddedPrivilegeDispensation" +#define LAUNCH_JOBKEY_EMBEDDEDMAINTHREADPRIORITY "EmbeddedMainThreadPriority" #define LAUNCH_JOBKEY_ENTERKERNELDEBUGGERBEFOREKILL "EnterKernelDebuggerBeforeKill" #define LAUNCH_JOBKEY_PERJOBMACHSERVICES "PerJobMachServices" Modified: trunk/launchd/src/launchd_core_logic.c =================================================================== --- trunk/launchd/src/launchd_core_logic.c 2009-04-24 22:51:09 UTC (rev 23908) +++ trunk/launchd/src/launchd_core_logic.c 2009-04-27 17:02:41 UTC (rev 23909) @@ -78,6 +78,7 @@ #include <spawn.h> #include <libproc.h> #include <malloc/malloc.h> +#include <pthread.h> #if HAVE_SANDBOX #define __APPLE_API_PRIVATE #include <sandbox.h> @@ -464,6 +465,7 @@ int nice; int stdout_err_fd; long long jetsam_priority; + long long main_thread_priority; uint32_t timeout; uint32_t exit_timeout; uint64_t sent_signal_time; @@ -1887,6 +1889,8 @@ } else { j->exit_timeout = (typeof(j->exit_timeout)) value; } + } else if( strcasecmp(key, LAUNCH_JOBKEY_EMBEDDEDMAINTHREADPRIORITY) == 0 ) { + j->main_thread_priority = value; } break; case 'j': @@ -4185,7 +4189,16 @@ job_assumes(j, proc_setpcontrol(PROC_SETPC_TERMINATE) == 0); } #endif - + +#if TARGET_OS_EMBEDDED + if( j->main_thread_priority != 0 ) { + struct sched_param params; + bzero(¶ms, sizeof(params)); + params.sched_priority = j->main_thread_priority; + job_assumes(j, pthread_setschedparam(pthread_self(), SCHED_OTHER, ¶ms) != -1); + } +#endif + /* * We'd like to call setsid() unconditionally, but we have reason to * believe that prevents launchd from being able to send signals to