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-rw-r--r--libjava/include/posix-threads.h210
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diff --git a/libjava/include/posix-threads.h b/libjava/include/posix-threads.h
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--- a/libjava/include/posix-threads.h
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-// -*- c++ -*-
-// posix-threads.h - Defines for using POSIX threads.
-
-/* Copyright (C) 1998, 1999 Cygnus Solutions
-
- This file is part of libgcj.
-
-This software is copyrighted work licensed under the terms of the
-Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
-details. */
-
-#ifndef __JV_POSIX_THREADS__
-#define __JV_POSIX_THREADS__
-
-// NOTE: This file may only reference those pthread functions which
-// are known not to be overridden by the Boehm GC. If in doubt, scan
-// boehm-gc/gc.h. This is yucky but lets us avoid including gc.h
-// everywhere (which would be truly yucky).
-
-#include <pthread.h>
-#include <sched.h>
-
-#if defined (HAVE_PTHREAD_MUTEXATTR_SETTYPE) || defined (HAVE_PTHREAD_MUTEXATTR_SETKIND_NP)
-# define HAVE_RECURSIVE_MUTEX 1
-#endif
-
-
-//
-// Typedefs.
-//
-
-typedef pthread_cond_t _Jv_ConditionVariable_t;
-#ifdef HAVE_RECURSIVE_MUTEX
-typedef pthread_mutex_t _Jv_Mutex_t;
-#else
-// Some systems do not have recursive mutexes, so we must simulate
-// them. Solaris is one such system.
-typedef struct
-{
- // Mutex used when locking this structure transiently.
- pthread_mutex_t mutex;
- // Mutex the thread holds the entire time this mutex is held. This
- // is used to make condition variables work properly.
- pthread_mutex_t mutex2;
- // Condition variable used when waiting for this lock.
- pthread_cond_t cond;
- // Thread holding this mutex. If COUNT is 0, no thread is holding.
- pthread_t thread;
- // Number of times mutex is held. If 0, the lock is not held.
- int count;
-} _Jv_Mutex_t;
-#endif /* HAVE_RECURSIVE_MUTEX */
-
-typedef struct
-{
- // Flag values are defined in implementation.
- int flags;
-
- // Actual thread id.
- pthread_t thread;
-
- // Exception we want to throw when cancelled.
- void *exception;
-} _Jv_Thread_t;
-typedef void _Jv_ThreadStartFunc (java::lang::Thread *);
-
-
-//
-// Condition variables.
-//
-
-inline void
-_Jv_CondInit (_Jv_ConditionVariable_t *cv)
-{
- pthread_cond_init (cv, 0);
-}
-
-#ifndef LINUX_THREADS
-
-// pthread_cond_destroy does nothing on Linux and it is a win to avoid
-// defining this macro.
-
-#define _Jv_HaveCondDestroy
-
-inline void
-_Jv_CondDestroy (_Jv_ConditionVariable_t *cv)
-{
- pthread_cond_destroy (cv);
-}
-
-#endif /* LINUX_THREADS */
-
-int _Jv_CondWait (_Jv_ConditionVariable_t *cv, _Jv_Mutex_t *mu,
- jlong millis, jint nanos);
-
-inline int
-_Jv_CondNotify (_Jv_ConditionVariable_t *cv, _Jv_Mutex_t *)
-{
- // FIXME: check to see if mutex is held by current thread.
- return pthread_cond_signal (cv);
-}
-
-inline int
-_Jv_CondNotifyAll (_Jv_ConditionVariable_t *cv, _Jv_Mutex_t *)
-{
- // FIXME: check to see if mutex is held by current thread.
- return pthread_cond_broadcast (cv);
-}
-
-
-//
-// Mutexes.
-//
-
-#ifdef RECURSIVE_MUTEX_IS_DEFAULT
-inline void
-_Jv_MutexInit (_Jv_Mutex_t *mu)
-{
- pthread_mutex_init (mu, NULL);
-}
-#else
-void _Jv_MutexInit (_Jv_Mutex_t *mu);
-#endif
-
-#ifndef LINUX_THREADS
-
-// pthread_mutex_destroy does nothing on Linux and it is a win to avoid
-// defining this macro.
-
-#define _Jv_HaveMutexDestroy
-
-#ifdef HAVE_RECURSIVE_MUTEX
-
-inline void
-_Jv_MutexDestroy (_Jv_Mutex_t *mu)
-{
- pthread_mutex_destroy (mu);
-}
-
-#else /* HAVE_RECURSIVE_MUTEX */
-
-extern void _Jv_MutexDestroy (_Jv_Mutex_t *mu);
-
-#endif /* HAVE_RECURSIVE_MUTEX */
-#endif /* LINUX_THREADS */
-
-#ifdef HAVE_RECURSIVE_MUTEX
-
-inline int
-_Jv_MutexLock (_Jv_Mutex_t *mu)
-{
- return pthread_mutex_lock (mu);
-}
-
-inline int
-_Jv_MutexUnlock (_Jv_Mutex_t *mu)
-{
- return pthread_mutex_unlock (mu);
-}
-
-#else /* HAVE_RECURSIVE_MUTEX */
-
-extern int _Jv_MutexLock (_Jv_Mutex_t *mu);
-extern int _Jv_MutexUnlock (_Jv_Mutex_t *mu);
-
-#endif /* HAVE_RECURSIVE_MUTEX */
-
-
-//
-// Thread creation and manipulation.
-//
-
-void _Jv_InitThreads (void);
-
-void _Jv_ThreadInitData (_Jv_Thread_t **data, java::lang::Thread *thread);
-
-inline java::lang::Thread *
-_Jv_ThreadCurrent (void)
-{
- extern pthread_key_t _Jv_ThreadKey;
- return (java::lang::Thread *) pthread_getspecific (_Jv_ThreadKey);
-}
-
-inline void
-_Jv_ThreadYield (void)
-{
-#ifdef HAVE_SCHED_YIELD
- sched_yield ();
-#endif /* HAVE_SCHED_YIELD */
-}
-
-void _Jv_ThreadSetPriority (_Jv_Thread_t *data, jint prio);
-
-void _Jv_ThreadCancel (_Jv_Thread_t *data, void *error);
-
-// Like Cancel, but doesn't run cleanups.
-inline void
-_Jv_ThreadDestroy (_Jv_Thread_t *)
-{
- JvFail ("_Jv_ThreadDestroy");
-}
-
-void _Jv_ThreadStart (java::lang::Thread *thread, _Jv_Thread_t *data,
- _Jv_ThreadStartFunc *meth);
-
-void _Jv_ThreadWait (void);
-
-void _Jv_ThreadInterrupt (_Jv_Thread_t *data);
-
-#endif /* __JV_POSIX_THREADS__ */