Libc-498.tar.gz

[apple/libc.git] / pthreads / pthread_workqueue.h

diff --git a/pthreads/pthread_workqueue.h b/pthreads/pthread_workqueue.h
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+/*
+ * Copyright (c) 2007 Apple, Inc. All rights reserved.
+ *
+ * @APPLE_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. 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_LICENSE_HEADER_END@
+ */
+/* pthread workqueue defns */
+
+#ifndef _POSIX_PTHREAD_WORKQUEUE_H
+#define _POSIX_PTHREAD_WORKQUEUE_H
+
+#include <sys/cdefs.h>
+#include <pthread.h>
+
+
+#define __PTHREAD_WORKQ_SIZE__ 128
+#define __PTHREAD_WORKQ_ATTR_SIZE__ 60
+
+#define PTHEAD_WRKQUEUE_SIG 0xBEBEBEBE
+#define PTHEAD_WRKQUEUE_ATTR_SIG 0xBEBEBEBE
+
+#ifndef __POSIX_LIB__
+typedef struct { unsigned int  sig; char opaque[__PTHREAD_WORKQ_SIZE__];} *pthread_workqueue_t;
+typedef struct { unsigned int  sig; char opaque[__PTHREAD_WORKQ_ATTR_SIZE__]; } pthread_workqueue_attr_t;
+#endif
+typedef void * pthread_workitem_handle_t;
+
+__BEGIN_DECLS
+int pthread_workqueue_init_np(void);
+int pthread_workqueue_attr_init_np(pthread_workqueue_attr_t * attr);
+int pthread_workqueue_attr_destroy_np(pthread_workqueue_attr_t * attr);
+int pthread_workqueue_attr_getqueuepriority_np(const pthread_workqueue_attr_t * attr, int * qprio);
+int pthread_workqueue_attr_setqueuepriority_np(pthread_workqueue_attr_t * attr, int qprio);
+
+#ifdef NOTYET
+/* Following attributes not supported yet */
+int pthread_workqueue_attr_getstacksize_np(const pthread_workqueue_attr_t * attr, size_t * stacksizep);
+int pthread_workqueue_attr_setstacksize_np(pthread_workqueue_attr_t * attr, size_t stacksize);
+int pthread_workqueue_attr_getthreadtimeshare_np(const pthread_workqueue_attr_t * attr, int * istimesahrep);
+int pthread_workqueue_attr_settthreadtimeshare_np(pthread_workqueue_attr_t * attr, int istimeshare);
+int pthread_workqueue_attr_getthreadimportance_np(const pthread_workqueue_attr_t * attr, int * importancep);
+int pthread_workqueue_attr_settthreadimportance_np(pthread_workqueue_attr_t * attr, int importance);
+int pthread_workqueue_attr_getthreadaffinity_np(const pthread_workqueue_attr_t * attr, int * affinityp);
+int pthread_workqueue_attr_settthreadaffinity_np(pthread_workqueue_attr_t * attr, int affinity);
+#endif
+
+int pthread_workqueue_create_np(pthread_workqueue_t * workqp, const pthread_workqueue_attr_t * attr);
+int pthread_workqueue_destroy_np(pthread_workqueue_t workq, void (* callback_func)(pthread_workqueue_t, void *), void * callback_arg);
+int pthread_workqueue_additem_np(pthread_workqueue_t workq, void ( *workitem_func)(void *), void * workitem_arg, pthread_workitem_handle_t * itemhandlep);
+int pthread_workqueue_removeitem_np(pthread_workqueue_t workq, pthread_workitem_handle_t itemhandle);
+int pthread_workqueue_addbarrier_np(pthread_workqueue_t workq, void (* callback_func)(pthread_workqueue_t, void *), void * callback_arg, int waitforcallback, pthread_workitem_handle_t *itemhandlep);
+int pthread_workqueue_suspend_np(pthread_workqueue_t workq);
+int pthread_workqueue_resume_np(pthread_workqueue_t workq);
+
+__END_DECLS
+
+#endif /* _POSIX_PTHREAD_WORKQUEUE_H */
+