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Diffstat (limited to 'libjava/include/posix-threads.h')
-rw-r--r-- | libjava/include/posix-threads.h | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/libjava/include/posix-threads.h b/libjava/include/posix-threads.h deleted file mode 100644 index 6e4cc70c020..00000000000 --- a/libjava/include/posix-threads.h +++ /dev/null @@ -1,210 +0,0 @@ -// -*- 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__ */ |