[launchd-changes] [23909] trunk/launchd/src

[source_changes at macosforge.org]

Revision: 23909
          http://trac.macosforge.org/projects/launchd/changeset/23909
Author:   dsorresso at 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(&params, sizeof(params));
+		params.sched_priority = j->main_thread_priority;
+		job_assumes(j, pthread_setschedparam(pthread_self(), SCHED_OTHER, &params) != -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
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