+++ /dev/null
-/*
- * 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
-
-
-#include <assert.h>
-#include <mach/port.h>
-#include <mach/mach_error.h>
-#include <mach/message.h>
-#include <mach/machine/vm_types.h>
-#include <mach/std_types.h>
-#include <mach/policy.h>
-#include <mach/sync.h>
-#include <mach/sync_policy.h>
-#include <mach/mach_traps.h>
-#include <mach/thread_switch.h>
-#include <mach/mach_host.h>
-#include <mach/mach.h> /* For generic MACH support */
-
-
-#ifndef __POSIX_LIB__
-#define __POSIX_LIB__
-#endif
-
-#include "posix_sched.h" /* For POSIX scheduling policy & parameter */
-#include "pthread_machdep.h" /* Machine-dependent definitions. */
-
-extern kern_return_t syscall_thread_switch(mach_port_name_t, int, mach_msg_timeout_t);
-
-/*
- * Compiled-in limits
- */
-#undef _POSIX_THREAD_KEYS_MAX
-#define _POSIX_THREAD_KEYS_MAX 128
-
-/*
- * Threads
- */
-typedef struct _pthread
-{
- long sig; /* Unique signature for this structure */
- struct _pthread_handler_rec *cleanup_stack;
- pthread_lock_t lock; /* Used for internal mutex on structure */
- int detached;
- int inherit;
- int policy;
- struct sched_param param;
- struct _pthread_mutex *mutexes;
- mach_port_t joiners; /* pthread_join() uses this to wait for death's call */
- int num_joiners;
- void *exit_value;
- mach_port_t death; /* pthread_exit() uses this to wait for the hearse */
- 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[_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 */
- void *cthread_self; /* cthread_self() if somebody calls cthread_set_self() */
- boolean_t freeStackOnExit;/* Should we free the stack when we're done? */
-} *pthread_t;
-
-
-/*
- * Thread attributes
- */
-typedef struct
-{
- long sig; /* Unique signature for this structure */
- pthread_lock_t lock; /* Used for internal mutex on structure */
- int detached;
- int inherit;
- int policy;
- 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 freeStackOnExit;/* Should we free the stack when we exit? */
-} pthread_attr_t;
-
-/*
- * Mutex attributes
- */
-typedef struct
-{
- long sig; /* Unique signature for this structure */
- int prioceiling;
- int protocol;
-} pthread_mutexattr_t;
-
-/*
- * Mutex variables
- */
-typedef struct _pthread_mutex
-{
- long sig; /* Unique signature for this structure */
- pthread_lock_t lock; /* Used for internal mutex on structure */
- int prioceiling;
- int priority; /* Priority to restore when mutex unlocked */
- int protocol;
- 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 */
- int waiters:31, /* Count of threads waiting for this mutex */
- cond_lock:1; /* Is there a condition locking me? */
- mach_port_t sem; /* Semaphore used for waiting */
-} pthread_mutex_t;
-
-/*
- * Condition variable attributes
- */
-typedef struct
-{
- long sig; /* Unique signature for this structure */
- int unsupported;
-} pthread_condattr_t;
-
-/*
- * Condition variables
- */
-typedef struct _pthread_cond
-{
- long sig; /* Unique signature for this structure */
- pthread_lock_t lock; /* Used for internal mutex on structure */
- mach_port_t sem; /* Kernel semaphore */
- struct _pthread_cond *next, *prev; /* List of condition variables using mutex */
- struct _pthread_mutex *busy; /* mutex associated with variable */
- int waiters:16, /* Number of threads waiting */
- sigspending:16; /* Number of outstanding signals */
-} pthread_cond_t;
-
-/*
- * Initialization control (once) variables
- */
-typedef struct
-{
- long sig; /* Unique signature for this structure */
- pthread_lock_t lock; /* Used for internal mutex on structure */
-} pthread_once_t;
-
-#include "pthread.h"
-
-#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_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_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_EXITED 3
-#define _PTHREAD_CREATE_PARENT 4
-
-#define _PTHREAD_CANCEL_STATE_MASK 0xFE
-#define _PTHREAD_CANCEL_TYPE_MASK 0xFD
-#define _PTHREAD_CANCEL_PENDING 0x10 /* pthread_cancel() has been called for this thread */
-
-extern boolean_t swtch_pri(int);
-
-/* Number of times to spin when the lock is unavailable and we are on a
- multiprocessor. On a uniprocessor we yield the processor immediately. */
-#define MP_SPIN_TRIES 1000
-extern int _spin_tries;
-extern int __is_threaded;
-extern int _cpu_has_altivec;
-
-/* Internal mutex locks for data structures */
-#define TRY_LOCK(v) (!__is_threaded || _spin_lock_try((pthread_lock_t *)&(v)))
-#define LOCK(v) \
-do { \
- if (__is_threaded) { \
- int tries = _spin_tries; \
- \
- while (!_spin_lock_try((pthread_lock_t *)&(v))) { \
- if (tries-- > 0) \
- continue; \
- \
- syscall_thread_switch(THREAD_NULL, SWITCH_OPTION_DEPRESS, 1); \
- tries = _spin_tries; \
- } \
- } \
-} while (0)
-#define UNLOCK(v) \
-do { \
- if (__is_threaded) \
- _spin_unlock((pthread_lock_t *)&(v)); \
-} while (0)
-
-#ifndef ESUCCESS
-#define ESUCCESS 0
-#endif
-
-#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 _spin_lock(pthread_lock_t *lockp);
-extern int _spin_lock_try(pthread_lock_t *lockp);
-extern void _spin_unlock(pthread_lock_t *lockp);
-extern void _pthread_setup(pthread_t th, void (*f)(pthread_t), vm_address_t sp);
-
-extern void _pthread_tsd_cleanup(pthread_t self);
-
-__private_extern__ semaphore_t new_sem_from_pool(void);
-__private_extern__ void restore_sem_to_pool(semaphore_t);
-#endif /* _POSIX_PTHREAD_INTERNALS_H */
projects / apple / libc.git / blobdiff