--- /dev/null
+/*
+ * Copyright (c) 2000-2003 Apple Computer, 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@
+ */
+
+#ifndef _SYS_PTHREAD_INTERNAL_H_
+#define _SYS_PTHREAD_INTERNAL_H_
+
+#undef pthread_mutexattr_t;
+
+#include <kern/thread_call.h>
+
+/*
+ * Mutex attributes
+ */
+typedef struct
+{
+ long sig; /* Unique signature for this structure */
+ int prioceiling;
+ u_int32_t protocol:2, /* protocol attribute */
+ type:2, /* mutex type */
+ pshared:2,
+ rfu:26;
+} pthread_mutexattr_t;
+
+#undef pthread_mutex_t
+/*
+ * Mutex variables
+ */
+typedef struct _pthread_mutex
+{
+ long sig; /* Unique signature for this structure */
+ lck_mtx_t * mutex; /* the kernel internal mutex */
+ lck_mtx_t * lock;
+ thread_t owner; /* Which thread has this mutex locked */
+ proc_t owner_proc; /* Which thread has this mutex locked */
+ u_int32_t protocol:2, /* protocol */
+ type:2, /* mutex type */
+ pshared:2, /* mutex type */
+ refcount:10,
+ lock_count:16;
+ int16_t prioceiling;
+ int16_t priority; /* Priority to restore when mutex unlocked */
+} pthread_mutex_t;
+
+#define MTX_LOCK lck_mtx_lock
+#define MTX_UNLOCK lck_mtx_unlock
+
+/*
+ * Condition variable attributes
+ */
+#undef pthread_condattr_t
+typedef struct
+{
+ long sig; /* Unique signature for this structure */
+ u_int32_t pshared:2, /* pshared */
+ unsupported:30;
+} pthread_condattr_t;
+
+/*
+ * Condition variables
+ */
+#undef pthread_cond_t
+typedef struct _pthread_cond
+{
+ long sig; /* Unique signature for this structure */
+ lck_mtx_t * lock; /* Used for internal mutex on structure */
+ u_int32_t waiters:15, /* Number of threads waiting */
+ sigpending:15, /* Number of outstanding signals */
+ pshared:2;
+ int refcount;
+ pthread_mutex_t * mutex;
+ proc_t owner_proc; /* Which thread has this mutex locked */
+ semaphore_t sem;
+} pthread_cond_t;
+#define COND_LOCK lck_mtx_lock
+#define COND_UNLOCK lck_mtx_unlock
+
+#undef pthread_rwlockattr_t
+typedef struct {
+ long sig; /* Unique signature for this structure */
+ int pshared;
+ int rfu[2]; /* reserved for future use */
+} pthread_rwlockattr_t;
+
+#undef pthread_rwlock_t
+typedef struct {
+ long sig;
+ lck_rw_t * rwlock;
+ int pshared;
+ thread_t owner;
+ int rfu[2];
+} pthread_rwlock_t;
+
+#define _PTHREAD_NO_SIG 0x00000000
+#define _PTHREAD_MUTEX_ATTR_SIG 0x4D545841 /* 'MTXA' */
+#define _PTHREAD_MUTEX_SIG 0x4D555458 /* 'MUTX' */
+#define _PTHREAD_MUTEX_SIG_init 0x32AAABA7 /* [almost] ~'MUTX' */
+#define _PTHREAD_COND_ATTR_SIG 0x434E4441 /* 'CNDA' */
+#define _PTHREAD_COND_SIG 0x434F4E44 /* 'COND' */
+#define _PTHREAD_COND_SIG_init 0x3CB0B1BB /* [almost] ~'COND' */
+#define _PTHREAD_ATTR_SIG 0x54484441 /* 'THDA' */
+#define _PTHREAD_ONCE_SIG 0x4F4E4345 /* 'ONCE' */
+#define _PTHREAD_ONCE_SIG_init 0x30B1BCBA /* [almost] ~'ONCE' */
+#define _PTHREAD_SIG 0x54485244 /* 'THRD' */
+#define _PTHREAD_RWLOCK_ATTR_SIG 0x52574C41 /* 'RWLA' */
+#define _PTHREAD_RWLOCK_SIG 0x52574C4B /* 'RWLK' */
+#define _PTHREAD_RWLOCK_SIG_init 0x2DA8B3B4 /* [almost] ~'RWLK' */
+
+#define _PTHREAD_KERN_COND_SIG 0x12345678 /* */
+#define _PTHREAD_KERN_MUTEX_SIG 0x34567812 /* */
+#define _PTHREAD_KERN_RWLOCK_SIG 0x56781234 /* */
+
+
+#define PTHREAD_PROCESS_SHARED 1
+#define PTHREAD_PROCESS_PRIVATE 2
+
+#define WORKQUEUE_MAXTHREADS 64
+#define WORKITEM_SIZE 64
+#define WORKQUEUE_NUMPRIOS 5
+
+struct threadlist {
+ TAILQ_ENTRY(threadlist) th_entry;
+ thread_t th_thread;
+ int th_flags;
+ uint32_t th_unparked;
+ uint32_t th_affinity_tag;
+ struct workqueue *th_workq;
+ mach_vm_size_t th_stacksize;
+ mach_vm_size_t th_allocsize;
+ mach_vm_offset_t th_stackaddr;
+ mach_port_t th_thport;
+};
+#define TH_LIST_INITED 0x01
+#define TH_LIST_RUNNING 0x02
+#define TH_LIST_BLOCKED 0x04
+#define TH_LIST_SUSPENDED 0x08
+
+struct workitem {
+ TAILQ_ENTRY(workitem) wi_entry;
+ user_addr_t wi_item;
+};
+
+struct workitemlist {
+ TAILQ_HEAD(, workitem) wl_itemlist;
+ TAILQ_HEAD(, workitem) wl_freelist;
+};
+
+
+struct workqueue {
+ struct workitem wq_array[WORKITEM_SIZE * WORKQUEUE_NUMPRIOS];
+ proc_t wq_proc;
+ vm_map_t wq_map;
+ task_t wq_task;
+ thread_call_t wq_timer_call;
+ int wq_flags;
+ int wq_itemcount;
+ struct timeval wq_lastran_ts;
+ struct timeval wq_reduce_ts;
+ uint32_t wq_stalled_count;
+ uint32_t wq_max_threads_scheduled;
+ uint32_t wq_affinity_max;
+ uint32_t wq_threads_scheduled;
+ uint32_t wq_nthreads;
+ uint32_t wq_nextaffinitytag;
+ struct workitemlist wq_list[WORKQUEUE_NUMPRIOS]; /* prio based item list */
+ TAILQ_HEAD(, threadlist) wq_thrunlist;
+ TAILQ_HEAD(wq_thidlelist, threadlist) * wq_thidlelist;
+ uint32_t * wq_thactivecount;
+ uint32_t * wq_thcount;
+};
+#define WQ_LIST_INITED 0x01
+#define WQ_BUSY 0x02
+#define WQ_TIMER_RUNNING 0x04
+#define WQ_TIMER_WATCH 0x08
+#define WQ_ADD_TO_POOL 0x10
+
+#define WQ_STALLED_WINDOW_USECS 20000
+#define WQ_REDUCE_POOL_WINDOW_USECS 3000000
+#define WQ_MAX_RUN_LATENCY_USECS 500
+#define WQ_TIMER_INTERVAL_MSECS 40
+
+/* workq_ops commands */
+#define WQOPS_QUEUE_ADD 1
+#define WQOPS_QUEUE_REMOVE 2
+#define WQOPS_THREAD_RETURN 4
+
+#define PTH_DEFAULT_STACKSIZE 512*1024
+#define PTH_DEFAULT_GUARDSIZE 4*1024
+#define MAX_PTHREAD_SIZE 64*1024
+
+void workqueue_exit(struct proc *);
+
+pthread_mutex_t * pthread_id_to_mutex(int mutexid);
+int pthread_id_mutex_add(pthread_mutex_t *);
+void pthread_id_mutex_remove(int);
+void pthread_mutex_release(pthread_mutex_t *);
+pthread_cond_t * pthread_id_to_cond(int condid);
+int pthread_id_cond_add(pthread_cond_t *);
+void pthread_id_cond_remove(int);
+void pthread_cond_release(pthread_cond_t *);
+
+void pthread_list_lock(void);
+void pthread_list_unlock(void);
+
+#endif /* _SYS_PTHREAD_INTERNAL_H_ */
+
projects / apple / xnu.git / blobdiff