xnu-2782.1.97.tar.gz

[apple/xnu.git] / libsyscall / mach / thread_act.c

diff --git a/libsyscall/mach/thread_act.c b/libsyscall/mach/thread_act.c
new file mode 100644 (file)
index 0000000..5726d11
--- /dev/null
+++ b/libsyscall/mach/thread_act.c
@@ -0,0 +1,77 @@
+/*
+ * Copyright (c) 2011 Apple Inc. All rights reserved.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
+ *
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
+ *
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
+ * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
+ *
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
+ */
+
+#undef _thread_act_user_
+#include <mach/thread_act_internal.h>
+
+extern void _pthread_clear_qos_tsd(mach_port_t port);
+
+kern_return_t
+thread_policy(thread_act_t thr_act, policy_t policy, policy_base_t base, mach_msg_type_number_t baseCnt, boolean_t set_limit)
+{
+       kern_return_t kr;
+
+       kr = _kernelrpc_thread_policy(thr_act, policy, base, baseCnt, set_limit);
+       if (kr == KERN_SUCCESS) {
+               _pthread_clear_qos_tsd(thr_act);
+       } else if (kr == KERN_POLICY_STATIC) {
+               kr = KERN_SUCCESS;
+       }
+
+       return kr;
+}
+
+kern_return_t
+thread_policy_set(thread_act_t thread, thread_policy_flavor_t flavor, thread_policy_t policy_info, mach_msg_type_number_t policy_infoCnt)
+{
+       kern_return_t kr;
+
+       kr = _kernelrpc_thread_policy_set(thread, flavor, policy_info, policy_infoCnt);
+       if (kr == KERN_SUCCESS) {
+               _pthread_clear_qos_tsd(thread);
+       } else if (kr == KERN_POLICY_STATIC) {
+               kr = KERN_SUCCESS;
+       }
+
+       return kr;
+}
+
+kern_return_t
+thread_set_policy(thread_act_t thr_act, processor_set_t pset, policy_t policy, policy_base_t base, mach_msg_type_number_t baseCnt, policy_limit_t limit, mach_msg_type_number_t limitCnt)
+{
+       kern_return_t kr;
+
+       kr = _kernelrpc_thread_set_policy(thr_act, pset, policy, base, baseCnt, limit, limitCnt);
+       if (kr == KERN_SUCCESS) {
+               _pthread_clear_qos_tsd(thr_act);
+       } else if (kr == KERN_POLICY_STATIC) {
+               kr = KERN_SUCCESS;
+       }
+
+       return kr;
+}