+++ /dev/null
-/*
- * Copyright (c) 2000-2003, 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@
- */
-/*
- * Copyright 1996 1995 by Open Software Foundation, Inc. 1997 1996 1995 1994 1993 1992 1991
- * All Rights Reserved
- *
- * Permission to use, copy, modify, and distribute this software and
- * its documentation for any purpose and without fee is hereby granted,
- * provided that the above copyright notice appears in all copies and
- * that both the copyright notice and this permission notice appear in
- * supporting documentation.
- *
- * OSF DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
- * FOR A PARTICULAR PURPOSE.
- *
- * IN NO EVENT SHALL OSF BE LIABLE FOR ANY SPECIAL, INDIRECT, OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
- * LOSS OF USE, DATA OR PROFITS, WHETHER IN ACTION OF CONTRACT,
- * NEGLIGENCE, OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
- * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
- *
- */
-/*
- * MkLinux
- */
-
-/*
- * POSIX Threads - IEEE 1003.1c
- */
-
-#ifndef _POSIX_PTHREAD_INTERNALS_H
-#define _POSIX_PTHREAD_INTERNALS_H
-
-// suppress pthread_attr_t typedef in sys/signal.h
-#define _PTHREAD_ATTR_T
-struct _pthread_attr_t; /* forward reference */
-typedef struct _pthread_attr_t pthread_attr_t;
-
-#include <assert.h>
-#include <stddef.h>
-#include <stdint.h>
-#include <stdlib.h>
-#include <limits.h>
-#include <errno.h>
-#include <TargetConditionals.h>
-#include <mach/mach.h>
-#include <mach/mach_error.h>
-#include <libkern/OSAtomic.h>
-
-
-#ifndef __POSIX_LIB__
-#define __POSIX_LIB__
-#endif
-
-#include "posix_sched.h" /* For POSIX scheduling policy & parameter */
-#include <sys/queue.h> /* For POSIX scheduling policy & parameter */
-#include "pthread_machdep.h" /* Machine-dependent definitions. */
-#include "pthread_spinlock.h" /* spinlock definitions. */
-
-TAILQ_HEAD(__pthread_list, _pthread);
-
-extern int __pthread_lock_debug;
-extern int __pthread_lock_old;
-
-extern struct __pthread_list __pthread_head; /* head of list of open files */
-extern pthread_lock_t _pthread_list_lock;
-extern size_t pthreadsize;
-/*
- * Compiled-in limits
- */
-#if TARGET_OS_EMBEDDED
-#define _EXTERNAL_POSIX_THREAD_KEYS_MAX 256
-#define _INTERNAL_POSIX_THREAD_KEYS_MAX 256
-#define _INTERNAL_POSIX_THREAD_KEYS_END 512
-#else
-#define _EXTERNAL_POSIX_THREAD_KEYS_MAX 512
-#define _INTERNAL_POSIX_THREAD_KEYS_MAX 256
-#define _INTERNAL_POSIX_THREAD_KEYS_END 768
-#endif
-
-/*
- * Threads
- */
-#define MAXTHREADNAMESIZE 64
-#define _PTHREAD_T
-typedef struct _pthread
-{
- long sig; /* Unique signature for this structure */
- struct __darwin_pthread_handler_rec *__cleanup_stack;
- pthread_lock_t lock; /* Used for internal mutex on structure */
- uint32_t detached:8,
- inherit:8,
- policy:8,
- freeStackOnExit:1,
- newstyle:1,
- kernalloc:1,
- schedset:1,
- wqthread:1,
- wqkillset:1,
- pad:2;
- size_t guardsize; /* size in bytes to guard stack overflow */
-#if !defined(__LP64__)
- int pad0; /* for backwards compatibility */
-#endif
- struct sched_param param;
- uint32_t cancel_error;
-#if defined(__LP64__)
- uint32_t cancel_pad; /* pad value for alignment */
-#endif
- struct _pthread *joiner;
-#if !defined(__LP64__)
- int pad1; /* for backwards compatibility */
-#endif
- void *exit_value;
- semaphore_t death; /* pthread_join() uses this to wait for death's call */
- mach_port_t kernel_thread; /* kernel thread this thread is bound to */
- void *(*fun)(void*);/* Thread start routine */
- void *arg; /* Argment for thread start routine */
- int cancel_state; /* Whether thread can be cancelled */
- int err_no; /* thread-local errno */
- void *tsd[_EXTERNAL_POSIX_THREAD_KEYS_MAX + _INTERNAL_POSIX_THREAD_KEYS_MAX]; /* Thread specific data */
- void *stackaddr; /* Base of the stack (is aligned on vm_page_size boundary */
- size_t stacksize; /* Size of the stack (is a multiple of vm_page_size and >= PTHREAD_STACK_MIN) */
- mach_port_t reply_port; /* Cached MiG reply port */
-#if defined(__LP64__)
- int pad2; /* for natural alignment */
-#endif
- void *cthread_self; /* cthread_self() if somebody calls cthread_set_self() */
- /* protected by list lock */
- uint32_t childrun:1,
- parentcheck:1,
- childexit:1,
- pad3:29;
-#if defined(__LP64__)
- int pad4; /* for natural alignment */
-#endif
- TAILQ_ENTRY(_pthread) plist;
- void * freeaddr;
- size_t freesize;
- mach_port_t joiner_notify;
- char pthread_name[MAXTHREADNAMESIZE]; /* including nulll the name */
- int max_tsd_key;
- void * cur_workq;
- void * cur_workitem;
- uint64_t thread_id;
-} *pthread_t;
-
-/*
- * Thread attributes
- */
-struct _pthread_attr_t
-{
- long sig; /* Unique signature for this structure */
- pthread_lock_t lock;
- uint32_t detached:8,
- inherit:8,
- policy:8,
- freeStackOnExit:1,
- fastpath:1,
- schedset:1,
- reserved1:5;
- size_t guardsize; /* size in bytes to guard stack overflow */
- int reserved2; /* Should we free the stack when we exit? */
- struct sched_param param;
- void *stackaddr; /* Base of the stack (is aligned on vm_page_size boundary */
- size_t stacksize; /* Size of the stack (is a multiple of vm_page_size and >= PTHREAD_STACK_MIN) */
- boolean_t reserved3;
-};
-
-/*
- * Mutex attributes
- */
-#define _PTHREAD_MUTEX_POLICY_NONE 0
-#define _PTHREAD_MUTEX_POLICY_FAIRSHARE 1
-#define _PTHREAD_MUTEX_POLICY_FIRSTFIT 2
-#define _PTHREAD_MUTEX_POLICY_REALTIME 3
-#define _PTHREAD_MUTEX_POLICY_ADAPTIVE 4
-#define _PTHREAD_MUTEX_POLICY_PRIPROTECT 5
-#define _PTHREAD_MUTEX_POLICY_PRIINHERIT 6
-
-#define _PTHREAD_MUTEXATTR_T
-typedef struct
-{
- long sig; /* Unique signature for this structure */
- int prioceiling;
- uint32_t protocol:2, /* protocol attribute */
- type:2, /* mutex type */
- pshared:2,
- policy:3,
- rfu:23;
-} pthread_mutexattr_t;
-
-/*
- * Mutex variables
- */
-struct _pthread_mutex_options {
- uint32_t protocol:2, /* protocol */
- type:2, /* mutex type */
- pshared:2, /* mutex type */
- policy:3,
- hold:2,
- misalign:1, /* 8 byte aligned? */
- notify:1, /* CV notify field for kernel */
- mutex:1, /* used in clrprepo that it is a mutex */
- rfu:2,
- lock_count:16;
-};
-
-
-#define _PTHREAD_MTX_OPT_PSHARED 0x010
-#define _PTHREAD_MTX_OPT_HOLD 0x200 /* current owner of the mutex */
-#define _PTHREAD_MTX_OPT_NOMTX 0x400 /* no mutex refs held */
-
-#define _PTHREAD_MTX_OPT_NOTIFY 0x1000 /* notify to drop mutex handling in cvwait */
-#define _PTHREAD_MTX_OPT_MUTEX 0x2000 /* this is a mutex type */
-
-
-#define _PTHREAD_MUTEX_T
-typedef struct _pthread_mutex
-{
- long sig; /* Unique signature for this structure */
- pthread_lock_t lock; /* Used for internal mutex on structure */
- union {
- uint32_t value;
- struct _pthread_mutex_options options;
- } mtxopts;
- int16_t prioceiling;
- int16_t priority; /* Priority to restore when mutex unlocked */
- uint32_t waiters; /* Count of threads waiting for this mutex */
- pthread_t owner; /* Which thread has this mutex locked */
- struct _pthread_mutex *next, *prev; /* List of other mutexes he owns */
- struct _pthread_cond *busy; /* List of condition variables using this mutex */
- semaphore_t sem; /* Semaphore used for waiting */
- semaphore_t order;
-} pthread_mutex_t;
-
-
-typedef struct _npthread_mutex
-{
-/* keep same as pthread_mutex_t from here to .. */
- long sig; /* Unique signature for this structure */
- pthread_lock_t lock; /* Used for static init sequencing */
- union {
- uint32_t value;
- struct _pthread_mutex_options options;
- } mtxopts;
- int16_t prioceiling;
- int16_t priority; /* Priority to restore when mutex unlocked */
- uint32_t m_seq[3];
-#if defined(__LP64__)
- uint64_t m_tid; /* Which thread has this mutex locked */
- uint32_t * m_lseqaddr;
- uint32_t * m_useqaddr;
- uint32_t reserved[2];
-#else
- uint32_t * m_lseqaddr;
- uint64_t m_tid; /* Which thread has this mutex locked */
- uint32_t * m_useqaddr;
-#endif
-} npthread_mutex_t;
-
-
-
-
-/*
- * Condition variable attributes
- */
-#define _PTHREAD_CONDATTR_T
-typedef struct
-{
- long sig; /* Unique signature for this structure */
- uint32_t pshared:2, /* pshared */
- unsupported:30;
-} pthread_condattr_t;
-
-/*
- * Condition variables
- */
-#define _PTHREAD_COND_T
-typedef struct _pthread_cond
-{
- long sig; /* Unique signature for this structure */
- pthread_lock_t lock; /* Used for internal mutex on structure */
- uint32_t waiters:15, /* Number of threads waiting */
- sigspending:15, /* Number of outstanding signals */
- pshared:2;
- struct _pthread_cond *next, *prev; /* List of condition variables using mutex */
- struct _pthread_mutex *busy; /* mutex associated with variable */
- semaphore_t sem; /* Kernel semaphore */
-} pthread_cond_t;
-
-
-typedef struct _npthread_cond
-{
- long sig; /* Unique signature for this structure */
- pthread_lock_t lock; /* Used for internal mutex on structure */
- uint32_t rfu:29, /* not in use*/
- misalign: 1, /* structure is not aligned to 8 byte boundary */
- pshared:2;
- struct _npthread_mutex *busy; /* mutex associated with variable */
- uint32_t c_seq[3];
-#if defined(__LP64__)
- uint32_t reserved[3];
-#endif /* __LP64__ */
-} npthread_cond_t;
-
-/*
- * Initialization control (once) variables
- */
-#define _PTHREAD_ONCE_T
-typedef struct
-{
- long sig; /* Unique signature for this structure */
- pthread_lock_t lock; /* Used for internal mutex on structure */
-} pthread_once_t;
-
-#define _PTHREAD_RWLOCKATTR_T
-typedef struct {
- long sig; /* Unique signature for this structure */
- int pshared;
- int rfu[2]; /* reserved for future use */
-} pthread_rwlockattr_t;
-
-#define _PTHREAD_RWLOCK_T
-typedef struct {
- long sig;
- pthread_mutex_t lock; /* monitor lock */
- int state;
- pthread_cond_t read_signal;
- pthread_cond_t write_signal;
- int blocked_writers;
- int reserved;
- pthread_t owner;
- int rfu[1];
- int pshared;
-} pthread_rwlock_t;
-
-#define PTHRW_RFU_64BIT 124 /* 31 * sizeof(uint32_t) */
-#define PTHRW_RFU_32BIT 72 /* 18 * sizeof(uint32_t) */
-
-#define _PTHREAD_RWLOCK_T
-typedef struct {
- long sig;
- pthread_lock_t lock;
-#if defined(__LP64__)
- int reserv;
- volatile uint32_t rw_seq[4];
- pthread_t rw_owner;
-#else /* __LP64__ */
- volatile uint32_t rw_seq[4];
- pthread_t rw_owner;
- int reserv;
-#endif /* __LP64__ */
- volatile uint32_t * rw_lcntaddr;
- volatile uint32_t * rw_seqaddr;
- volatile uint32_t * rw_ucntaddr;
- uint32_t rw_flags;
- int misalign;
-#if defined(__LP64__)
- char rfu[PTHRW_RFU_64BIT];
-#else /* __LP64__ */
- char rfu[PTHRW_RFU_32BIT];
-#endif /* __LP64__ */
- int pshared;
-} npthread_rwlock_t;
-
-/* flags for rw_flags */
-#define PTHRW_KERN_PROCESS_SHARED 0x10
-#define PTHRW_KERN_PROCESS_PRIVATE 0x20
-#define PTHRW_KERN_PROCESS_FLAGS_MASK 0x30
-#define _PTHREAD_RWLOCK_UPGRADE_TRY 0x10000
-
-/* New model bits on Lword */
-#define PTH_RWL_KBIT 0x01 /* users cannot acquire in user mode */
-#define PTH_RWL_EBIT 0x02 /* exclusive lock in progress */
-#define PTH_RWL_WBIT 0x04 /* write waiters pending in kernel */
-#define PTH_RWL_PBIT 0x04 /* prepost (cv) pending in kernel */
-#define PTH_RWL_YBIT 0x08 /* yielding write waiters pending in kernel */
-#define PTH_RWL_RETRYBIT 0x08 /* mutex retry wait */
-#define PTH_RWL_LBIT 0x10 /* long read in progress */
-#define PTH_RWL_MTXNONE 0x10 /* indicates the cvwait does not have mutex held */
-#define PTH_RWL_UBIT 0x20 /* upgrade request pending */
-#define PTH_RWL_MTX_WAIT 0x20 /* in cvar in mutex wait */
-#define PTH_RWL_RBIT 0x40 /* reader pending in kernel(not used) */
-#define PTH_RWL_MBIT 0x40 /* overlapping grants from kernel */
-#define PTH_RWL_TRYLKBIT 0x40 /* sets try lock attempt */
-#define PTH_RWL_IBIT 0x80 /* lock reset, held untill first succeesful unlock */
-
-/* UBIT values for mutex, cvar */
-#define PTH_RWU_SBIT 0x01
-#define PTH_RWU_BBIT 0x02
-
-#define PTHRW_RWL_INIT PTH_RWL_IBIT /* reset on the lock bits (U)*/
-#define PTHRW_RWLOCK_INIT (PTH_RWL_IBIT | PTH_RWL_RBIT) /* reset on the lock bits (U)*/
-#define PTH_RWLOCK_RESET_RBIT 0xffffffbf
-
-#define PTHRW_INC 0x100
-#define PTHRW_BIT_MASK 0x000000ff
-
-#define PTHRW_UN_BIT_MASK 0x000000bf /* remove overlap bit */
-
-
-/* New model bits on Sword */
-#define PTH_RWS_SBIT 0x01 /* kernel transition seq not set yet*/
-#define PTH_RWS_IBIT 0x02 /* Sequence is not set on return from kernel */
-
-#define PTH_RWS_CV_CBIT PTH_RWS_SBIT /* kernel has cleared all info w.r.s.t CV */
-#define PTH_RWS_CV_PBIT PTH_RWS_IBIT /* kernel has prepost/fake structs only,no waiters */
-#define PTH_RWS_CV_BITSALL (PTH_RWS_CV_CBIT | PTH_RWS_CV_PBIT)
-#define PTH_RWS_CV_MBIT PTH_RWL_MBIT /* to indicate prepost return from kernel */
-#define PTH_RWS_CV_RESET_PBIT 0xfffffffd
-
-#define PTH_RWS_WSVBIT 0x04 /* save W bit */
-#define PTH_RWS_USVBIT 0x08 /* save U bit */
-#define PTH_RWS_YSVBIT 0x10 /* save Y bit */
-#define PTHRW_RWS_INIT PTH_RWS_SBIT /* reset on the lock bits (U)*/
-#define PTHRW_RWS_SAVEMASK (PTH_RWS_WSVBIT|PTH_RWS_USVBIT|PTH_RWS_YSVBIT) /*save bits mask*/
-#define PTHRW_SW_Reset_BIT_MASK 0x000000fe /* remove S bit and get rest of the bits */
-
-#define PTHRW_COUNT_SHIFT 8
-#define PTHRW_COUNT_MASK 0xffffff00
-#define PTHRW_MAX_READERS 0xffffff00
-
-
-#define PTHREAD_MTX_TID_SWITCHING (uint64_t)-1
-
-/* new L word defns */
-#define can_rwl_readinuser(x) ((((x) & (PTH_RWL_UBIT | PTH_RWL_WBIT | PTH_RWL_KBIT)) == 0)||(((x) & PTH_RWL_LBIT) != 0))
-#define can_rwl_longreadinuser(x) (((x) & (PTH_RWL_UBIT | PTH_RWL_WBIT | PTH_RWL_KBIT | PTH_RWL_YBIT)) == 0)
-#define is_rwl_ebit_set(x) (((x) & PTH_RWL_EBIT) != 0)
-#define is_rwl_eubit_set(x) (((x) & (PTH_RWL_EBIT | PTH_RWL_UBIT)) != 0)
-#define is_rwl_wbit_set(x) (((x) & PTH_RWL_WBIT) != 0)
-#define is_rwl_lbit_set(x) (((x) & PTH_RWL_LBIT) != 0)
-#define is_rwl_ebit_clear(x) (((x) & PTH_RWL_EBIT) == 0)
-#define is_rwl_lbit_clear(x) (((x) & PTH_RWL_LBIT) == 0)
-#define is_rwl_readoverlap(x) (((x) & PTH_RWL_MBIT) != 0)
-
-/* S word checks */
-#define is_rws_setseq(x) (((x) & PTH_RWS_SBIT))
-#define is_rws_setunlockinit(x) (((x) & PTH_RWS_IBIT))
-
-/* is x lower than Y */
-static inline int is_seqlower(uint32_t x, uint32_t y) {
- if (x < y) {
- if ((y-x) < (PTHRW_MAX_READERS/2))
- return(1);
- } else {
- if ((x-y) > (PTHRW_MAX_READERS/2))
- return(1);
- }
- return(0);
-}
-
-/* is x lower than or eq Y */
-static inline int is_seqlower_eq(uint32_t x, uint32_t y) {
- if (x==y)
- return(1);
- else
- return(is_seqlower(x,y));
-}
-
-/* is x greater than Y */
-static inline int is_seqhigher(uint32_t x, uint32_t y) {
- if (x > y) {
- if ((x-y) < (PTHRW_MAX_READERS/2))
- return(1);
- } else {
- if ((y-x) > (PTHRW_MAX_READERS/2))
- return(1);
- }
- return(0);
-}
-
-static inline int diff_genseq(uint32_t x, uint32_t y) {
- if (x == y) {
- return(0);
- } else if (x > y) {
- return(x-y);
- } else {
- return((PTHRW_MAX_READERS - y) + x + PTHRW_INC);
- }
-}
-
-/* keep the size to 64bytes for both 64 and 32 */
-#define _PTHREAD_WORKQUEUE_ATTR_T
-typedef struct {
- uint32_t sig;
- int queueprio;
- int overcommit;
- unsigned int resv2[13];
-} pthread_workqueue_attr_t;
-
-#define _PTHREAD_WORKITEM_T
-typedef struct _pthread_workitem {
- TAILQ_ENTRY(_pthread_workitem) item_entry; /* pthread_workitem list in prio */
- void (*func)(void *);
- void * func_arg;
- struct _pthread_workqueue * workq;
- unsigned int flags;
- unsigned int fromcache; /* padding for 64bit */
-} * pthread_workitem_t;
-
-#define PTH_WQITEM_INKERNEL_QUEUE 1
-#define PTH_WQITEM_RUNNING 2
-#define PTH_WQITEM_COMPLETED 4
-#define PTH_WQITEM_REMOVED 8
-#define PTH_WQITEM_BARRIER 0x10
-#define PTH_WQITEM_DESTROY 0x20
-#define PTH_WQITEM_NOTINLIST 0x40
-#define PTH_WQITEM_APPLIED 0x80
-#define PTH_WQITEM_KERN_COUNT 0x100
-
-/* try to fit these within multiple of pages (8 pages for now) */
-#define WORKITEM_POOL_SIZE 680
-/* ensure some multiple of the chunk is the pool size */
-#define WORKITEM_CHUNK_SIZE 40
-
-#define WORKITEM_STARTPOOL_SIZE WORKITEM_CHUNK_SIZE
-
-TAILQ_HEAD(__pthread_workitem_pool, _pthread_workitem);
-extern struct __pthread_workitem_pool __pthread_workitem_pool_head; /* head list of workitem pool */
-
-#define _PTHREAD_WORKQUEUE_HEAD_T
-typedef struct _pthread_workqueue_head {
- TAILQ_HEAD(, _pthread_workqueue) wqhead;
- struct _pthread_workqueue * next_workq;
-} * pthread_workqueue_head_t;
-
-
-/* sized to be 128 bytes both in 32 and 64bit archs */
-#define _PTHREAD_WORKQUEUE_T
-typedef struct _pthread_workqueue {
- unsigned int sig; /* Unique signature for this structure */
- pthread_lock_t lock; /* Used for internal mutex on structure */
- TAILQ_ENTRY(_pthread_workqueue) wq_list; /* workqueue list in prio */
- TAILQ_HEAD(, _pthread_workitem) item_listhead; /* pthread_workitem list in prio */
- TAILQ_HEAD(, _pthread_workitem) item_kernhead; /* pthread_workitem list in prio */
- unsigned int flags;
- size_t stacksize;
- int istimeshare;
- int importance;
- int affinity;
- int queueprio;
- int barrier_count;
- int kq_count;
- void (*term_callback)(struct _pthread_workqueue *,void *);
- void * term_callarg;
- pthread_workqueue_head_t headp;
- int overcommit;
-#if !defined(__LP64__)
- unsigned int rev2[12];
-#endif
-} * pthread_workqueue_t;
-
-#define PTHREAD_WORKQ_IN_CREATION 1
-#define PTHREAD_WORKQ_IN_TERMINATE 2
-#define PTHREAD_WORKQ_BARRIER_ON 4
-#define PTHREAD_WORKQ_TERM_ON 8
-#define PTHREAD_WORKQ_DESTROYED 0x10
-#define PTHREAD_WORKQ_REQUEUED 0x20
-#define PTHREAD_WORKQ_SUSPEND 0x40
-
-#define WORKQUEUE_POOL_SIZE 16
-TAILQ_HEAD(__pthread_workqueue_pool, _pthread_workqueue);
-extern struct __pthread_workqueue_pool __pthread_workqueue_pool_head; /* head list of workqueue pool */
-
-#include "pthread_spis.h"
-
-#if defined(__i386__) || defined(__ppc64__) || defined(__x86_64__) || (defined(__arm__) && (defined(_ARM_ARCH_7) || !defined(_ARM_ARCH_6) || !defined(__thumb__)))
-/*
- * Inside libSystem, we can use r13 or %gs directly to get access to the
- * thread-specific data area. The current thread is in the first slot.
- */
-inline static pthread_t __attribute__((__pure__))
-_pthread_self_direct(void)
-{
- pthread_t ret;
-
-#if defined(__i386__) || defined(__x86_64__)
- ret = _pthread_getspecific_direct(0);
-#elif defined(__ppc64__)
- register const pthread_t __pthread_self asm ("r13");
- ret = __pthread_self;
-#elif defined(__arm__) && defined(_ARM_ARCH_6)
- ret = _pthread_getspecific_direct(0);
-#elif defined(__arm__) && !defined(_ARM_ARCH_6)
- ret = _pthread_getspecific_direct(0);
-#endif
- return ret;
-}
-#define pthread_self() _pthread_self_direct()
-#endif
-
-#define _PTHREAD_DEFAULT_INHERITSCHED PTHREAD_INHERIT_SCHED
-#define _PTHREAD_DEFAULT_PROTOCOL PTHREAD_PRIO_NONE
-#define _PTHREAD_DEFAULT_PRIOCEILING 0
-#define _PTHREAD_DEFAULT_POLICY SCHED_OTHER
-#define _PTHREAD_DEFAULT_STACKSIZE 0x80000 /* 512K */
-#define _PTHREAD_DEFAULT_PSHARED PTHREAD_PROCESS_PRIVATE
-
-#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_ERRORCHECK_MUTEX_SIG_init 0x32AAABA1
-#define _PTHREAD_RECURSIVE_MUTEX_SIG_init 0x32AAABA2
-#define _PTHREAD_FIRSTFIT_MUTEX_SIG_init 0x32AAABA3
-#define _PTHREAD_MUTEX_SIG_init_MASK 0xfffffff0
-#define _PTHREAD_MUTEX_SIG_CMP 0x32AAABA0
-#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_CREATE_PARENT 4
-#define _PTHREAD_EXITED 8
-// 4597450: begin
-#define _PTHREAD_WASCANCEL 0x10
-// 4597450: end
-
-#if defined(DEBUG)
-#define _PTHREAD_MUTEX_OWNER_SELF pthread_self()
-#else
-#define _PTHREAD_MUTEX_OWNER_SELF (pthread_t)0x12141968
-#endif
-#define _PTHREAD_MUTEX_OWNER_SWITCHING (pthread_t)(~0)
-
-#define _PTHREAD_CANCEL_STATE_MASK 0x01
-#define _PTHREAD_CANCEL_TYPE_MASK 0x02
-#define _PTHREAD_CANCEL_PENDING 0x10 /* pthread_cancel() has been called for this thread */
-
-extern boolean_t swtch_pri(int);
-
-#ifndef PTHREAD_MACH_CALL
-#define PTHREAD_MACH_CALL(expr, ret) (ret) = (expr)
-#endif
-
-/* Prototypes. */
-
-/* Functions defined in machine-dependent files. */
-extern vm_address_t _sp(void);
-extern vm_address_t _adjust_sp(vm_address_t sp);
-extern void _pthread_setup(pthread_t th, void (*f)(pthread_t), void *sp, int suspended, int needresume);
-
-extern void _pthread_tsd_cleanup(pthread_t self);
-
-__private_extern__ void __mtx_holdlock(npthread_mutex_t *mutex, uint32_t diff, uint32_t * flagp, uint32_t ** pmtxp, uint32_t * mgenp, uint32_t * ugenp, uint64_t *tidp);
-__private_extern__ int __mtx_droplock(npthread_mutex_t *mutex, uint32_t diff, uint32_t * flagp, uint32_t ** pmtxp, uint32_t * mgenp, uint32_t * ugenp);
-__private_extern__ int __mtx_updatebits(npthread_mutex_t *mutex, uint32_t updateval, int firstfiti, int fromcond, uint64_t selfid);
-
-/* syscall interfaces */
-extern uint32_t __psynch_mutexwait(pthread_mutex_t * mutex, uint32_t mgen, uint32_t ugen, uint64_t tid, uint32_t flags);
-extern uint32_t __psynch_mutexdrop(pthread_mutex_t * mutex, uint32_t mgen, uint32_t ugen, uint64_t tid, uint32_t flags);
-
-extern uint32_t __psynch_cvbroad(pthread_cond_t * cv, uint64_t cvlsgen, uint64_t cvudgen, uint32_t flags, pthread_mutex_t * mutex, uint64_t mugen, uint64_t tid);
-extern uint32_t __psynch_cvsignal(pthread_cond_t * cv, uint64_t cvlsgen, uint32_t cvugen, int thread_port, pthread_mutex_t * mutex, uint64_t mugen, uint64_t tid, uint32_t flags);
-extern uint32_t __psynch_cvwait(pthread_cond_t * cv, uint64_t cvlsgen, uint32_t cvugen, pthread_mutex_t * mutex, uint64_t mugen, uint32_t flags, int64_t sec, uint32_t nsec);
-extern uint32_t __psynch_cvclrprepost(void * cv, uint32_t cvgen, uint32_t cvugen, uint32_t cvsgen, uint32_t prepocnt, uint32_t preposeq, uint32_t flags);
-extern uint32_t __psynch_rw_longrdlock(pthread_rwlock_t * rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags);
-extern uint32_t __psynch_rw_yieldwrlock(pthread_rwlock_t * rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags);
-extern int __psynch_rw_downgrade(pthread_rwlock_t * rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags);
-extern uint32_t __psynch_rw_upgrade(pthread_rwlock_t * rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags);
-extern uint32_t __psynch_rw_rdlock(pthread_rwlock_t * rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags);
-extern uint32_t __psynch_rw_wrlock(pthread_rwlock_t * rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags);
-extern uint32_t __psynch_rw_unlock(pthread_rwlock_t * rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags);
-extern uint32_t __psynch_rw_unlock2(pthread_rwlock_t * rwlock, uint32_t lgenval, uint32_t ugenval, uint32_t rw_wc, int flags);
-
-__private_extern__ semaphore_t new_sem_from_pool(void);
-__private_extern__ void restore_sem_to_pool(semaphore_t);
-__private_extern__ void _pthread_atfork_queue_init(void);
-int _pthread_lookup_thread(pthread_t thread, mach_port_t * port, int only_joinable);
-int _pthread_join_cleanup(pthread_t thread, void ** value_ptr, int conforming);
-__private_extern__ int proc_setthreadname(void * buffer, int buffersize);
-
-#endif /* _POSIX_PTHREAD_INTERNALS_H */
projects / apple / libc.git / blobdiff