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* Rearranged pthread thread support a bit: there is now a pthread_thread

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structure that is attached (via TLS) to each pthread.
* Implemented support for pthread_cleanup_{push|pop}().
* I haven't really been able to test these changes, yet, though.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@24704 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2008-03-31 15:10:00 +00:00
parent f946336faa
commit a635399b07
6 changed files with 193 additions and 67 deletions
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headers/posix/pthread.h
+38 -11
View File
@@ -1,6 +1,7 @@
/*
** Distributed under the terms of the Haiku License.
*/
/*
* Copyright 2001-2008, Haiku Inc. All Rights Reserved.
* Distributed under the terms of the Haiku License.
*/
#ifndef _PTHREAD_H_
#define _PTHREAD_H_
@@ -16,8 +17,8 @@ typedef int pthread_key_t;
typedef struct _pthread_once pthread_once_t;
typedef struct _pthread_rwlock *pthread_rwlock_t;
typedef struct _pthread_rwlockattr *pthread_rwlockattr_t;
typedef struct _pthread_barrier *pthread_barrier_t;
typedef struct _pthread_barrierattr *pthread_barrierattr_t;
typedef struct _pthread_barrier *pthread_barrier_t;
typedef struct _pthread_barrierattr *pthread_barrierattr_t;
typedef struct _pthread_spinlock *pthread_spinlock_t;
struct _pthread_once {
@@ -58,19 +59,40 @@ enum pthread_process_shared {
#define PTHREAD_CANCEL_DISABLE 1
#define PTHREAD_CANCEL_DEFERRED 0
#define PTHREAD_CANCEL_ASYNCHRONOUS 2
#define PTHREAD_CANCELED ((void *) 1)
#define PTHREAD_CANCELED ((void *) 1)
#define PTHREAD_NEEDS_INIT 0
#define PTHREAD_DONE_INIT 1
#define PTHREAD_ONCE_INIT { PTHREAD_NEEDS_INIT, NULL }
#define PTHREAD_NEEDS_INIT 0
#define PTHREAD_DONE_INIT 1
#define PTHREAD_ONCE_INIT { PTHREAD_NEEDS_INIT, NULL }
#define PTHREAD_BARRIER_SERIAL_THREAD -1
#define PTHREAD_BARRIER_SERIAL_THREAD -1
#define PTHREAD_PRIO_NONE 0
#define PTHREAD_PRIO_INHERIT 1
#define PTHREAD_PRIO_PROTECT 2
//extern pthread_mutexattr_t pthread_mutexattr_default;
/* private structure */
struct __pthread_cleanup_handler {
struct __pthread_cleanup_handler *previous;
void (*function)(void *argument);
void *argument;
};
#define pthread_cleanup_push(func, arg) \
do { \
struct __pthread_cleanup_handler __handler; \
__handler.function = (func); \
__handler.argument = (arg); \
__pthread_cleanup_push_handler(&__handler);
#define pthread_cleanup_pop(execute) \
if (execute) \
__handler.function(__handler.argument); \
__pthread_cleanup_pop_handler(); \
} while (0)
#ifdef __cplusplus
extern "C" {
#endif
@@ -132,7 +154,7 @@ extern int pthread_attr_init(pthread_attr_t *attr);
extern int pthread_attr_getdetachstate(const pthread_attr_t *attr, int *detachstate);
extern int pthread_attr_setdetachstate(pthread_attr_t *attr, int detachstate);
extern int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
extern int pthread_create(pthread_t *thread, const pthread_attr_t *attr,
void *(*start_routine)(void*), void *arg);
extern int pthread_detach(pthread_t thread);
extern int pthread_equal(pthread_t t1, pthread_t t2);
@@ -148,6 +170,11 @@ extern int pthread_key_delete(pthread_key_t key);
extern void *pthread_getspecific(pthread_key_t key);
extern int pthread_setspecific(pthread_key_t key, const void *value);
/* private functions */
extern void __pthread_cleanup_push_handler(
struct __pthread_cleanup_handler *handler);
extern struct __pthread_cleanup_handler *__pthread_cleanup_pop_handler(void);
#ifdef __cplusplus
}
#endif