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pthreads/pthread_internals.h Libc-262 /dev/null
--- Libc/Libc-262/pthreads/pthread_internals.h
+++ /dev/null
@@ -1,277 +0,0 @@
-/*
- * 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;
-	struct _pthread *joiner;
-	int			pad1;
-	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[_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;
-	u_int32_t protocol:2,		/* protocol attribute */
-		type:2,			/* mutex type */
-		rfu:28;
-} 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	       waiters:30,      /* Count of threads waiting for this mutex */
-			def:1,
-			cond_lock:1;	/* Is there a condition locking me? */
-	pthread_t      owner;	      /* Which thread has this mutex locked */
-	mach_port_t    sem;	      /* Semaphore used for waiting */
-	u_int32_t	 protocol:2,		/* protocol */
-		type:2,			/* mutex type */
-		rfu:12,
-		lock_count:16;
-	struct _pthread_mutex *next, *prev;  /* List of other mutexes he owns */
-	struct _pthread_cond *busy;   /* List of condition variables using this mutex */
-	int	       prioceiling;
-	int	       priority;      /* Priority to restore when mutex unlocked */
-} 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;
-
-typedef struct {
-	long	       sig;	      /* Unique signature for this structure */
-	int             pshared;
-	int		rfu[2];		/* reserved for future use */
-} pthread_rwlockattr_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             pshared;
-	int		rfu[3];
-} pthread_rwlock_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_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_CREATE_PARENT	     4
-#define _PTHREAD_EXITED		     8
-
-#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), void *sp, int suspended, int needresume);
-
-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 */