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Diffstat (limited to 'linuxthreads/sysdeps/pthread/pthread.h')
| -rw-r--r-- | linuxthreads/sysdeps/pthread/pthread.h | 686 |
1 files changed, 0 insertions, 686 deletions
diff --git a/linuxthreads/sysdeps/pthread/pthread.h b/linuxthreads/sysdeps/pthread/pthread.h deleted file mode 100644 index 86c7ff7391..0000000000 --- a/linuxthreads/sysdeps/pthread/pthread.h +++ /dev/null @@ -1,686 +0,0 @@ -/* Linuxthreads - a simple clone()-based implementation of Posix */ -/* threads for Linux. */ -/* Copyright (C) 1996 Xavier Leroy (Xavier.Leroy@inria.fr) */ -/* */ -/* This program is free software; you can redistribute it and/or */ -/* modify it under the terms of the GNU Library General Public License */ -/* as published by the Free Software Foundation; either version 2 */ -/* of the License, or (at your option) any later version. */ -/* */ -/* This program is distributed in the hope that it will be useful, */ -/* but WITHOUT ANY WARRANTY; without even the implied warranty of */ -/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */ -/* GNU Library General Public License for more details. */ - -#ifndef _PTHREAD_H -#define _PTHREAD_H 1 - -#include <features.h> - -#include <sched.h> -#include <time.h> - -#define __need_sigset_t -#include <signal.h> -#include <bits/pthreadtypes.h> -#include <bits/initspin.h> - - -__BEGIN_DECLS - -/* Initializers. */ - -#define PTHREAD_MUTEX_INITIALIZER \ - {0, 0, 0, PTHREAD_MUTEX_TIMED_NP, __LOCK_INITIALIZER} -#ifdef __USE_GNU -# define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP \ - {0, 0, 0, PTHREAD_MUTEX_RECURSIVE_NP, __LOCK_INITIALIZER} -# define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP \ - {0, 0, 0, PTHREAD_MUTEX_ERRORCHECK_NP, __LOCK_INITIALIZER} -# define PTHREAD_ADAPTIVE_MUTEX_INITIALIZER_NP \ - {0, 0, 0, PTHREAD_MUTEX_ADAPTIVE_NP, __LOCK_INITIALIZER} -#endif - -#define PTHREAD_COND_INITIALIZER {__LOCK_INITIALIZER, 0, "", 0} - -#if defined __USE_UNIX98 || defined __USE_XOPEN2K -# define PTHREAD_RWLOCK_INITIALIZER \ - { __LOCK_INITIALIZER, 0, NULL, NULL, NULL, \ - PTHREAD_RWLOCK_DEFAULT_NP, PTHREAD_PROCESS_PRIVATE } -#endif -#ifdef __USE_GNU -# define PTHREAD_RWLOCK_WRITER_NONRECURSIVE_INITIALIZER_NP \ - { __LOCK_INITIALIZER, 0, NULL, NULL, NULL, \ - PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP, PTHREAD_PROCESS_PRIVATE } -#endif - -/* Values for attributes. */ - -enum -{ - PTHREAD_CREATE_JOINABLE, -#define PTHREAD_CREATE_JOINABLE PTHREAD_CREATE_JOINABLE - PTHREAD_CREATE_DETACHED -#define PTHREAD_CREATE_DETACHED PTHREAD_CREATE_DETACHED -}; - -enum -{ - PTHREAD_INHERIT_SCHED, -#define PTHREAD_INHERIT_SCHED PTHREAD_INHERIT_SCHED - PTHREAD_EXPLICIT_SCHED -#define PTHREAD_EXPLICIT_SCHED PTHREAD_EXPLICIT_SCHED -}; - -enum -{ - PTHREAD_SCOPE_SYSTEM, -#define PTHREAD_SCOPE_SYSTEM PTHREAD_SCOPE_SYSTEM - PTHREAD_SCOPE_PROCESS -#define PTHREAD_SCOPE_PROCESS PTHREAD_SCOPE_PROCESS -}; - -enum -{ - PTHREAD_MUTEX_TIMED_NP, - PTHREAD_MUTEX_RECURSIVE_NP, - PTHREAD_MUTEX_ERRORCHECK_NP, - PTHREAD_MUTEX_ADAPTIVE_NP -#ifdef __USE_UNIX98 - , - PTHREAD_MUTEX_NORMAL = PTHREAD_MUTEX_TIMED_NP, - PTHREAD_MUTEX_RECURSIVE = PTHREAD_MUTEX_RECURSIVE_NP, - PTHREAD_MUTEX_ERRORCHECK = PTHREAD_MUTEX_ERRORCHECK_NP, - PTHREAD_MUTEX_DEFAULT = PTHREAD_MUTEX_NORMAL -#endif -#ifdef __USE_GNU - /* For compatibility. */ - , PTHREAD_MUTEX_FAST_NP = PTHREAD_MUTEX_ADAPTIVE_NP -#endif -}; - -enum -{ - PTHREAD_PROCESS_PRIVATE, -#define PTHREAD_PROCESS_PRIVATE PTHREAD_PROCESS_PRIVATE - PTHREAD_PROCESS_SHARED -#define PTHREAD_PROCESS_SHARED PTHREAD_PROCESS_SHARED -}; - -#if defined __USE_UNIX98 || defined __USE_XOPEN2K -enum -{ - PTHREAD_RWLOCK_PREFER_READER_NP, - PTHREAD_RWLOCK_PREFER_WRITER_NP, - PTHREAD_RWLOCK_PREFER_WRITER_NONRECURSIVE_NP, - PTHREAD_RWLOCK_DEFAULT_NP = PTHREAD_RWLOCK_PREFER_WRITER_NP -}; -#endif /* Unix98 */ - -#define PTHREAD_ONCE_INIT 0 - -/* Special constants */ - -#ifdef __USE_XOPEN2K -/* -1 is distinct from 0 and all errno constants */ -# define PTHREAD_BARRIER_SERIAL_THREAD -1 -#endif - -/* Cleanup buffers */ - -struct _pthread_cleanup_buffer -{ - void (*__routine) (void *); /* Function to call. */ - void *__arg; /* Its argument. */ - int __canceltype; /* Saved cancellation type. */ - struct _pthread_cleanup_buffer *__prev; /* Chaining of cleanup functions. */ -}; - -/* Cancellation */ - -enum -{ - PTHREAD_CANCEL_ENABLE, -#define PTHREAD_CANCEL_ENABLE PTHREAD_CANCEL_ENABLE - PTHREAD_CANCEL_DISABLE -#define PTHREAD_CANCEL_DISABLE PTHREAD_CANCEL_DISABLE -}; -enum -{ - PTHREAD_CANCEL_DEFERRED, -#define PTHREAD_CANCEL_DEFERRED PTHREAD_CANCEL_DEFERRED - PTHREAD_CANCEL_ASYNCHRONOUS -#define PTHREAD_CANCEL_ASYNCHRONOUS PTHREAD_CANCEL_ASYNCHRONOUS -}; -#define PTHREAD_CANCELED ((void *) -1) - - -/* Function for handling threads. */ - -/* Create a thread with given attributes ATTR (or default attributes - if ATTR is NULL), and call function START_ROUTINE with given - arguments ARG. */ -extern int pthread_create (pthread_t *__restrict __threadp, - __const pthread_attr_t *__restrict __attr, - void *(*__start_routine) (void *), - void *__restrict __arg) __THROW; - -/* Obtain the identifier of the current thread. */ -extern pthread_t pthread_self (void) __THROW; - -/* Compare two thread identifiers. */ -extern int pthread_equal (pthread_t __thread1, pthread_t __thread2) __THROW; - -/* Terminate calling thread. */ -extern void pthread_exit (void *__retval) __attribute__ ((__noreturn__)); - -/* Make calling thread wait for termination of the thread TH. The - exit status of the thread is stored in *THREAD_RETURN, if THREAD_RETURN - is not NULL. */ -extern int pthread_join (pthread_t __th, void **__thread_return); - -/* Indicate that the thread TH is never to be joined with PTHREAD_JOIN. - The resources of TH will therefore be freed immediately when it - terminates, instead of waiting for another thread to perform PTHREAD_JOIN - on it. */ -extern int pthread_detach (pthread_t __th) __THROW; - - -/* Functions for handling attributes. */ - -/* Initialize thread attribute *ATTR with default attributes - (detachstate is PTHREAD_JOINABLE, scheduling policy is SCHED_OTHER, - no user-provided stack). */ -extern int pthread_attr_init (pthread_attr_t *__attr) __THROW; - -/* Destroy thread attribute *ATTR. */ -extern int pthread_attr_destroy (pthread_attr_t *__attr) __THROW; - -/* Set the `detachstate' attribute in *ATTR according to DETACHSTATE. */ -extern int pthread_attr_setdetachstate (pthread_attr_t *__attr, - int __detachstate) __THROW; - -/* Return in *DETACHSTATE the `detachstate' attribute in *ATTR. */ -extern int pthread_attr_getdetachstate (__const pthread_attr_t *__attr, - int *__detachstate) __THROW; - -/* Set scheduling parameters (priority, etc) in *ATTR according to PARAM. */ -extern int pthread_attr_setschedparam (pthread_attr_t *__restrict __attr, - __const struct sched_param *__restrict - __param) __THROW; - -/* Return in *PARAM the scheduling parameters of *ATTR. */ -extern int pthread_attr_getschedparam (__const pthread_attr_t *__restrict - __attr, - struct sched_param *__restrict __param) - __THROW; - -/* Set scheduling policy in *ATTR according to POLICY. */ -extern int pthread_attr_setschedpolicy (pthread_attr_t *__attr, int __policy) - __THROW; - -/* Return in *POLICY the scheduling policy of *ATTR. */ -extern int pthread_attr_getschedpolicy (__const pthread_attr_t *__restrict - __attr, int *__restrict __policy) - __THROW; - -/* Set scheduling inheritance mode in *ATTR according to INHERIT. */ -extern int pthread_attr_setinheritsched (pthread_attr_t *__attr, - int __inherit) __THROW; - -/* Return in *INHERIT the scheduling inheritance mode of *ATTR. */ -extern int pthread_attr_getinheritsched (__const pthread_attr_t *__restrict - __attr, int *__restrict __inherit) - __THROW; - -/* Set scheduling contention scope in *ATTR according to SCOPE. */ -extern int pthread_attr_setscope (pthread_attr_t *__attr, int __scope) - __THROW; - -/* Return in *SCOPE the scheduling contention scope of *ATTR. */ -extern int pthread_attr_getscope (__const pthread_attr_t *__restrict __attr, - int *__restrict __scope) __THROW; - -#ifdef __USE_UNIX98 -/* Set the size of the guard area at the bottom of the thread. */ -extern int pthread_attr_setguardsize (pthread_attr_t *__attr, - size_t __guardsize) __THROW; - -/* Get the size of the guard area at the bottom of the thread. */ -extern int pthread_attr_getguardsize (__const pthread_attr_t *__restrict - __attr, size_t *__restrict __guardsize) - __THROW; -#endif - -/* Set the starting address of the stack of the thread to be created. - Depending on whether the stack grows up or down the value must either - be higher or lower than all the address in the memory block. The - minimal size of the block must be PTHREAD_STACK_MIN. */ -extern int pthread_attr_setstackaddr (pthread_attr_t *__attr, - void *__stackaddr) __THROW; - -/* Return the previously set address for the stack. */ -extern int pthread_attr_getstackaddr (__const pthread_attr_t *__restrict - __attr, void **__restrict __stackaddr) - __THROW; - -#ifdef __USE_XOPEN2K -/* The following two interfaces are intended to replace the last two. They - require setting the address as well as the size since only setting the - address will make the implementation on some architectures impossible. */ -extern int pthread_attr_setstack (pthread_attr_t *__attr, void *__stackaddr, - size_t __stacksize) __THROW; - -/* Return the previously set address for the stack. */ -extern int pthread_attr_getstack (__const pthread_attr_t *__restrict __attr, - void **__restrict __stackaddr, - size_t *__restrict __stacksize) __THROW; -#endif - -/* Add information about the minimum stack size needed for the thread - to be started. This size must never be less than PTHREAD_STACK_MIN - and must also not exceed the system limits. */ -extern int pthread_attr_setstacksize (pthread_attr_t *__attr, - size_t __stacksize) __THROW; - -/* Return the currently used minimal stack size. */ -extern int pthread_attr_getstacksize (__const pthread_attr_t *__restrict - __attr, size_t *__restrict __stacksize) - __THROW; - -#ifdef __USE_GNU -/* Initialize thread attribute *ATTR with attributes corresponding to the - already running thread TH. It shall be called on unitialized ATTR - and destroyed with pthread_attr_destroy when no longer needed. */ -extern int pthread_getattr_np (pthread_t __th, pthread_attr_t *__attr) __THROW; -#endif - -/* Functions for scheduling control. */ - -/* Set the scheduling parameters for TARGET_THREAD according to POLICY - and *PARAM. */ -extern int pthread_setschedparam (pthread_t __target_thread, int __policy, - __const struct sched_param *__param) - __THROW; - -/* Return in *POLICY and *PARAM the scheduling parameters for TARGET_THREAD. */ -extern int pthread_getschedparam (pthread_t __target_thread, - int *__restrict __policy, - struct sched_param *__restrict __param) - __THROW; - -#ifdef __USE_UNIX98 -/* Determine level of concurrency. */ -extern int pthread_getconcurrency (void) __THROW; - -/* Set new concurrency level to LEVEL. */ -extern int pthread_setconcurrency (int __level) __THROW; -#endif - -#ifdef __USE_GNU -/* Yield the processor to another thread or process. - This function is similar to the POSIX `sched_yield' function but - might be differently implemented in the case of a m-on-n thread - implementation. */ -extern int pthread_yield (void) __THROW; -#endif - -/* Functions for mutex handling. */ - -/* Initialize MUTEX using attributes in *MUTEX_ATTR, or use the - default values if later is NULL. */ -extern int pthread_mutex_init (pthread_mutex_t *__restrict __mutex, - __const pthread_mutexattr_t *__restrict - __mutex_attr) __THROW; - -/* Destroy MUTEX. */ -extern int pthread_mutex_destroy (pthread_mutex_t *__mutex) __THROW; - -/* Try to lock MUTEX. */ -extern int pthread_mutex_trylock (pthread_mutex_t *__mutex) __THROW; - -/* Wait until lock for MUTEX becomes available and lock it. */ -extern int pthread_mutex_lock (pthread_mutex_t *__mutex) __THROW; - -#ifdef __USE_XOPEN2K -/* Wait until lock becomes available, or specified time passes. */ -extern int pthread_mutex_timedlock (pthread_mutex_t *__restrict __mutex, - __const struct timespec *__restrict - __abstime) __THROW; -#endif - -/* Unlock MUTEX. */ -extern int pthread_mutex_unlock (pthread_mutex_t *__mutex) __THROW; - - -/* Functions for handling mutex attributes. */ - -/* Initialize mutex attribute object ATTR with default attributes - (kind is PTHREAD_MUTEX_TIMED_NP). */ -extern int pthread_mutexattr_init (pthread_mutexattr_t *__attr) __THROW; - -/* Destroy mutex attribute object ATTR. */ -extern int pthread_mutexattr_destroy (pthread_mutexattr_t *__attr) __THROW; - -/* Get the process-shared flag of the mutex attribute ATTR. */ -extern int pthread_mutexattr_getpshared (__const pthread_mutexattr_t * - __restrict __attr, - int *__restrict __pshared) __THROW; - -/* Set the process-shared flag of the mutex attribute ATTR. */ -extern int pthread_mutexattr_setpshared (pthread_mutexattr_t *__attr, - int __pshared) __THROW; - -#ifdef __USE_UNIX98 -/* Set the mutex kind attribute in *ATTR to KIND (either PTHREAD_MUTEX_NORMAL, - PTHREAD_MUTEX_RECURSIVE, PTHREAD_MUTEX_ERRORCHECK, or - PTHREAD_MUTEX_DEFAULT). */ -extern int pthread_mutexattr_settype (pthread_mutexattr_t *__attr, int __kind) - __THROW; - -/* Return in *KIND the mutex kind attribute in *ATTR. */ -extern int pthread_mutexattr_gettype (__const pthread_mutexattr_t *__restrict - __attr, int *__restrict __kind) __THROW; -#endif - - -/* Functions for handling conditional variables. */ - -/* Initialize condition variable COND using attributes ATTR, or use - the default values if later is NULL. */ -extern int pthread_cond_init (pthread_cond_t *__restrict __cond, - __const pthread_condattr_t *__restrict - __cond_attr) __THROW; - -/* Destroy condition variable COND. */ -extern int pthread_cond_destroy (pthread_cond_t *__cond) __THROW; - -/* Wake up one thread waiting for condition variable COND. */ -extern int pthread_cond_signal (pthread_cond_t *__cond) __THROW; - -/* Wake up all threads waiting for condition variables COND. */ -extern int pthread_cond_broadcast (pthread_cond_t *__cond) __THROW; - -/* Wait for condition variable COND to be signaled or broadcast. - MUTEX is assumed to be locked before. */ -extern int pthread_cond_wait (pthread_cond_t *__restrict __cond, - pthread_mutex_t *__restrict __mutex); - -/* Wait for condition variable COND to be signaled or broadcast until - ABSTIME. MUTEX is assumed to be locked before. ABSTIME is an - absolute time specification; zero is the beginning of the epoch - (00:00:00 GMT, January 1, 1970). */ -extern int pthread_cond_timedwait (pthread_cond_t *__restrict __cond, - pthread_mutex_t *__restrict __mutex, - __const struct timespec *__restrict - __abstime); - -/* Functions for handling condition variable attributes. */ - -/* Initialize condition variable attribute ATTR. */ -extern int pthread_condattr_init (pthread_condattr_t *__attr) __THROW; - -/* Destroy condition variable attribute ATTR. */ -extern int pthread_condattr_destroy (pthread_condattr_t *__attr) __THROW; - -/* Get the process-shared flag of the condition variable attribute ATTR. */ -extern int pthread_condattr_getpshared (__const pthread_condattr_t * - __restrict __attr, - int *__restrict __pshared) __THROW; - -/* Set the process-shared flag of the condition variable attribute ATTR. */ -extern int pthread_condattr_setpshared (pthread_condattr_t *__attr, - int __pshared) __THROW; - - -#if defined __USE_UNIX98 || defined __USE_XOPEN2K -/* Functions for handling read-write locks. */ - -/* Initialize read-write lock RWLOCK using attributes ATTR, or use - the default values if later is NULL. */ -extern int pthread_rwlock_init (pthread_rwlock_t *__restrict __rwlock, - __const pthread_rwlockattr_t *__restrict - __attr) __THROW; - -/* Destroy read-write lock RWLOCK. */ -extern int pthread_rwlock_destroy (pthread_rwlock_t *__rwlock) __THROW; - -/* Acquire read lock for RWLOCK. */ -extern int pthread_rwlock_rdlock (pthread_rwlock_t *__rwlock) __THROW; - -/* Try to acquire read lock for RWLOCK. */ -extern int pthread_rwlock_tryrdlock (pthread_rwlock_t *__rwlock) __THROW; - -# ifdef __USE_XOPEN2K -/* Try to acquire read lock for RWLOCK or return after specfied time. */ -extern int pthread_rwlock_timedrdlock (pthread_rwlock_t *__restrict __rwlock, - __const struct timespec *__restrict - __abstime) __THROW; -# endif - -/* Acquire write lock for RWLOCK. */ -extern int pthread_rwlock_wrlock (pthread_rwlock_t *__rwlock) __THROW; - -/* Try to acquire write lock for RWLOCK. */ -extern int pthread_rwlock_trywrlock (pthread_rwlock_t *__rwlock) __THROW; - -# ifdef __USE_XOPEN2K -/* Try to acquire write lock for RWLOCK or return after specfied time. */ -extern int pthread_rwlock_timedwrlock (pthread_rwlock_t *__restrict __rwlock, - __const struct timespec *__restrict - __abstime) __THROW; -# endif - -/* Unlock RWLOCK. */ -extern int pthread_rwlock_unlock (pthread_rwlock_t *__rwlock) __THROW; - - -/* Functions for handling read-write lock attributes. */ - -/* Initialize attribute object ATTR with default values. */ -extern int pthread_rwlockattr_init (pthread_rwlockattr_t *__attr) __THROW; - -/* Destroy attribute object ATTR. */ -extern int pthread_rwlockattr_destroy (pthread_rwlockattr_t *__attr) __THROW; - -/* Return current setting of process-shared attribute of ATTR in PSHARED. */ -extern int pthread_rwlockattr_getpshared (__const pthread_rwlockattr_t * - __restrict __attr, - int *__restrict __pshared) __THROW; - -/* Set process-shared attribute of ATTR to PSHARED. */ -extern int pthread_rwlockattr_setpshared (pthread_rwlockattr_t *__attr, - int __pshared) __THROW; - -/* Return current setting of reader/writer preference. */ -extern int pthread_rwlockattr_getkind_np (__const pthread_rwlockattr_t *__attr, - int *__pref) __THROW; - -/* Set reader/write preference. */ -extern int pthread_rwlockattr_setkind_np (pthread_rwlockattr_t *__attr, - int __pref) __THROW; -#endif - -#ifdef __USE_XOPEN2K -/* The IEEE Std. 1003.1j-2000 introduces functions to implement - spinlocks. */ - -/* Initialize the spinlock LOCK. If PSHARED is nonzero the spinlock can - be shared between different processes. */ -extern int pthread_spin_init (pthread_spinlock_t *__lock, int __pshared) - __THROW; - -/* Destroy the spinlock LOCK. */ -extern int pthread_spin_destroy (pthread_spinlock_t *__lock) __THROW; - -/* Wait until spinlock LOCK is retrieved. */ -extern int pthread_spin_lock (pthread_spinlock_t *__lock) __THROW; - -/* Try to lock spinlock LOCK. */ -extern int pthread_spin_trylock (pthread_spinlock_t *__lock) __THROW; - -/* Release spinlock LOCK. */ -extern int pthread_spin_unlock (pthread_spinlock_t *__lock) __THROW; - - -/* Barriers are a also a new feature in 1003.1j-2000. */ - -extern int pthread_barrier_init (pthread_barrier_t *__restrict __barrier, - __const pthread_barrierattr_t *__restrict - __attr, unsigned int __count) __THROW; - -extern int pthread_barrier_destroy (pthread_barrier_t *__barrier) __THROW; - -extern int pthread_barrierattr_init (pthread_barrierattr_t *__attr) __THROW; - -extern int pthread_barrierattr_destroy (pthread_barrierattr_t *__attr) __THROW; - -extern int pthread_barrierattr_getpshared (__const pthread_barrierattr_t * - __restrict __attr, - int *__restrict __pshared) __THROW; - -extern int pthread_barrierattr_setpshared (pthread_barrierattr_t *__attr, - int __pshared) __THROW; - -extern int pthread_barrier_wait (pthread_barrier_t *__barrier) __THROW; -#endif - - -/* Functions for handling thread-specific data. */ - -/* Create a key value identifying a location in the thread-specific - data area. Each thread maintains a distinct thread-specific data - area. DESTR_FUNCTION, if non-NULL, is called with the value - associated to that key when the key is destroyed. - DESTR_FUNCTION is not called if the value associated is NULL when - the key is destroyed. */ -extern int pthread_key_create (pthread_key_t *__key, - void (*__destr_function) (void *)) __THROW; - -/* Destroy KEY. */ -extern int pthread_key_delete (pthread_key_t __key) __THROW; - -/* Store POINTER in the thread-specific data slot identified by KEY. */ -extern int pthread_setspecific (pthread_key_t __key, - __const void *__pointer) __THROW; - -/* Return current value of the thread-specific data slot identified by KEY. */ -extern void *pthread_getspecific (pthread_key_t __key) __THROW; - - -/* Functions for handling initialization. */ - -/* Guarantee that the initialization function INIT_ROUTINE will be called - only once, even if pthread_once is executed several times with the - same ONCE_CONTROL argument. ONCE_CONTROL must point to a static or - extern variable initialized to PTHREAD_ONCE_INIT. - - The initialization functions might throw exception which is why - this function is not marked with __THROW. */ -extern int pthread_once (pthread_once_t *__once_control, - void (*__init_routine) (void)); - - -/* Functions for handling cancellation. */ - -/* Set cancelability state of current thread to STATE, returning old - state in *OLDSTATE if OLDSTATE is not NULL. */ -extern int pthread_setcancelstate (int __state, int *__oldstate); - -/* Set cancellation state of current thread to TYPE, returning the old - type in *OLDTYPE if OLDTYPE is not NULL. */ -extern int pthread_setcanceltype (int __type, int *__oldtype); - -/* Cancel THREAD immediately or at the next possibility. */ -extern int pthread_cancel (pthread_t __cancelthread); - -/* Test for pending cancellation for the current thread and terminate - the thread as per pthread_exit(PTHREAD_CANCELED) if it has been - cancelled. */ -extern void pthread_testcancel (void); - - -/* Install a cleanup handler: ROUTINE will be called with arguments ARG - when the thread is cancelled or calls pthread_exit. ROUTINE will also - be called with arguments ARG when the matching pthread_cleanup_pop - is executed with non-zero EXECUTE argument. - pthread_cleanup_push and pthread_cleanup_pop are macros and must always - be used in matching pairs at the same nesting level of braces. */ - -#define pthread_cleanup_push(routine,arg) \ - { struct _pthread_cleanup_buffer _buffer; \ - _pthread_cleanup_push (&_buffer, (routine), (arg)); - -extern void _pthread_cleanup_push (struct _pthread_cleanup_buffer *__buffer, - void (*__routine) (void *), - void *__arg) __THROW; - -/* Remove a cleanup handler installed by the matching pthread_cleanup_push. - If EXECUTE is non-zero, the handler function is called. */ - -#define pthread_cleanup_pop(execute) \ - _pthread_cleanup_pop (&_buffer, (execute)); } - -extern void _pthread_cleanup_pop (struct _pthread_cleanup_buffer *__buffer, - int __execute) __THROW; - -/* Install a cleanup handler as pthread_cleanup_push does, but also - saves the current cancellation type and set it to deferred cancellation. */ - -#ifdef __USE_GNU -# define pthread_cleanup_push_defer_np(routine,arg) \ - { struct _pthread_cleanup_buffer _buffer; \ - _pthread_cleanup_push_defer (&_buffer, (routine), (arg)); - -extern void _pthread_cleanup_push_defer (struct _pthread_cleanup_buffer *__buffer, - void (*__routine) (void *), - void *__arg) __THROW; - -/* Remove a cleanup handler as pthread_cleanup_pop does, but also - restores the cancellation type that was in effect when the matching - pthread_cleanup_push_defer was called. */ - -# define pthread_cleanup_pop_restore_np(execute) \ - _pthread_cleanup_pop_restore (&_buffer, (execute)); } - -extern void _pthread_cleanup_pop_restore (struct _pthread_cleanup_buffer *__buffer, - int __execute) __THROW; -#endif - - -#ifdef __USE_XOPEN2K -/* Get ID of CPU-time clock for thread THREAD_ID. */ -extern int pthread_getcpuclockid (pthread_t __thread_id, - __clockid_t *__clock_id) __THROW; -#endif - - -/* Functions for handling signals. */ -#include <bits/sigthread.h> - - -/* Functions for handling process creation and process execution. */ - -/* Install handlers to be called when a new process is created with FORK. - The PREPARE handler is called in the parent process just before performing - FORK. The PARENT handler is called in the parent process just after FORK. - The CHILD handler is called in the child process. Each of the three - handlers can be NULL, meaning that no handler needs to be called at that - point. - PTHREAD_ATFORK can be called several times, in which case the PREPARE - handlers are called in LIFO order (last added with PTHREAD_ATFORK, - first called before FORK), and the PARENT and CHILD handlers are called - in FIFO (first added, first called). */ - -extern int pthread_atfork (void (*__prepare) (void), - void (*__parent) (void), - void (*__child) (void)) __THROW; - -/* Terminate all threads in the program except the calling process. - Should be called just before invoking one of the exec*() functions. */ - -extern void pthread_kill_other_threads_np (void) __THROW; - -__END_DECLS - -#endif /* pthread.h */ |