/* This is an implementation of the threads API of POSIX 1003.1-2001. * * -------------------------------------------------------------------------- * * Pthreads-win32 - POSIX Threads Library for Win32 * Copyright(C) 1998 John E. Bossom * Copyright(C) 1999,2005 Pthreads-win32 contributors * * Contact Email: rpj@callisto.canberra.edu.au * * The current list of contributors is contained * in the file CONTRIBUTORS included with the source * code distribution. The list can also be seen at the * following World Wide Web location: * http://sources.redhat.com/pthreads-win32/contributors.html * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; either * version 2 of the License, or (at your option) any later version. * * This library 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 * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library in the file COPYING.LIB; * if not, write to the Free Software Foundation, Inc., * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA */ #if !defined( PTHREAD_H ) #define PTHREAD_H /* * See the README file for an explanation of the pthreads-win32 version * numbering scheme and how the DLL is named etc. */ #define PTW32_VERSION 2,8,0,0 #define PTW32_VERSION_STRING "2, 8, 0, 0\0" /* There are three implementations of cancel cleanup. * Note that pthread.h is included in both application * compilation units and also internally for the library. * The code here and within the library aims to work * for all reasonable combinations of environments. * * The three implementations are: * * WIN32 SEH * C * C++ * * Please note that exiting a push/pop block via * "return", "exit", "break", or "continue" will * lead to different behaviour amongst applications * depending upon whether the library was built * using SEH, C++, or C. For example, a library built * with SEH will call the cleanup routine, while both * C++ and C built versions will not. */ /* * Define defaults for cleanup code. * Note: Unless the build explicitly defines one of the following, then * we default to standard C style cleanup. This style uses setjmp/longjmp * in the cancelation and thread exit implementations and therefore won't * do stack unwinding if linked to applications that have it (e.g. * C++ apps). This is currently consistent with most/all commercial Unix * POSIX threads implementations. */ #if !defined( __CLEANUP_SEH ) && !defined( __CLEANUP_CXX ) && !defined( __CLEANUP_C ) # define __CLEANUP_C #endif #if defined( __CLEANUP_SEH ) && ( !defined( _MSC_VER ) && !defined(PTW32_RC_MSC)) #error ERROR [__FILE__, line __LINE__]: SEH is not supported for this compiler. #endif /* * Stop here if we are being included by the resource compiler. */ #ifndef RC_INVOKED #undef PTW32_LEVEL #if defined(_POSIX_SOURCE) #define PTW32_LEVEL 0 /* Early POSIX */ #endif #if defined(_POSIX_C_SOURCE) && _POSIX_C_SOURCE >= 199309 #undef PTW32_LEVEL #define PTW32_LEVEL 1 /* Include 1b, 1c and 1d */ #endif #if defined(INCLUDE_NP) #undef PTW32_LEVEL #define PTW32_LEVEL 2 /* Include Non-Portable extensions */ #endif #define PTW32_LEVEL_MAX 3 #if !defined(PTW32_LEVEL) #define PTW32_LEVEL PTW32_LEVEL_MAX /* Include everything */ #endif #ifdef _UWIN # define HAVE_STRUCT_TIMESPEC 1 # define HAVE_SIGNAL_H 1 # undef HAVE_CONFIG_H # pragma comment(lib, "pthread") #endif /* * ------------------------------------------------------------- * * * Module: pthread.h * * Purpose: * Provides an implementation of PThreads based upon the * standard: * * POSIX 1003.1-2001 * and * The Single Unix Specification version 3 * * (these two are equivalent) * * in order to enhan
obj-${CONFIG_BUTTON_HOTPLUG}	+= button-hotplug.o
generated by cgit v1.2.3 (git 2.25.1) at 2026-01-28 23:39:31 +0000
_ATTR_STACKSIZE (== 200112L) * If == 200112L, you can control the size of a thread's * stack * pthread_attr_getstacksize * pthread_attr_setstacksize * * _POSIX_THREAD_ATTR_STACKADDR (== -1) * If == 200112L, you can allocate and control a thread's * stack. If not supported, the following functions * will return ENOSYS, indicating they are not * supported: * pthread_attr_getstackaddr * pthread_attr_setstackaddr * * _POSIX_THREAD_PRIORITY_SCHEDULING (== -1) * If == 200112L, you can use realtime scheduling. * This option indicates that the behaviour of some * implemented functions conforms to the additional TPS * requirements in the standard. E.g. rwlocks favour * writers over readers when threads have equal priority. * * _POSIX_THREAD_PRIO_INHERIT (== -1) * If == 200112L, you can create priority inheritance * mutexes. * pthread_mutexattr_getprotocol + * pthread_mutexattr_setprotocol + * * _POSIX_THREAD_PRIO_PROTECT (== -1) * If == 200112L, you can create priority ceiling mutexes * Indicates the availability of: * pthread_mutex_getprioceiling * pthread_mutex_setprioceiling * pthread_mutexattr_getprioceiling * pthread_mutexattr_getprotocol + * pthread_mutexattr_setprioceiling * pthread_mutexattr_setprotocol + * * _POSIX_THREAD_PROCESS_SHARED (== -1) * If set, you can create mutexes and condition * variables that can be shared with another * process.If set, indicates the availability * of: * pthread_mutexattr_getpshared * pthread_mutexattr_setpshared * pthread_condattr_getpshared * pthread_condattr_setpshared * * _POSIX_THREAD_SAFE_FUNCTIONS (== 200112L) * If == 200112L you can use the special *_r library * functions that provide thread-safe behaviour * * _POSIX_READER_WRITER_LOCKS (== 200112L) * If == 200112L, you can use read/write locks * * _POSIX_SPIN_LOCKS (== 200112L) * If == 200112L, you can use spin locks * * _POSIX_BARRIERS (== 200112L) * If == 200112L, you can use barriers * * + These functions provide both 'inherit' and/or * 'protect' protocol, based upon these macro * settings. * * ------------------------------------------------------------- */ /* * POSIX Options */ #undef _POSIX_THREADS #define _POSIX_THREADS 200112L #undef _POSIX_READER_WRITER_LOCKS #define _POSIX_READER_WRITER_LOCKS 200112L #undef _POSIX_SPIN_LOCKS #define _POSIX_SPIN_LOCKS 200112L #undef _POSIX_BARRIERS #define _POSIX_BARRIERS 200112L #undef _POSIX_THREAD_SAFE_FUNCTIONS #define _POSIX_THREAD_SAFE_FUNCTIONS 200112L #undef _POSIX_THREAD_ATTR_STACKSIZE #define _POSIX_THREAD_ATTR_STACKSIZE 200112L /* * The following options are not supported */ #undef _POSIX_THREAD_ATTR_STACKADDR #define _POSIX_THREAD_ATTR_STACKADDR -1 #undef _POSIX_THREAD_PRIO_INHERIT #define _POSIX_THREAD_PRIO_INHERIT -1 #undef _POSIX_THREAD_PRIO_PROTECT #define _POSIX_THREAD_PRIO_PROTECT -1 /* TPS is not fully supported. */ #undef _POSIX_THREAD_PRIORITY_SCHEDULING #define _POSIX_THREAD_PRIORITY_SCHEDULING -1 #undef _POSIX_THREAD_PROCESS_SHARED #define _POSIX_THREAD_PROCESS_SHARED -1 /* * POSIX 1003.1-2001 Limits * =========================== * * These limits are normally set in , which is not provided with * pthreads-win32. * * PTHREAD_DESTRUCTOR_ITERATIONS * Maximum number of attempts to destroy * a thread's thread-specific data on * termination (must be at least 4) * * PTHREAD_KEYS_MAX * Maximum number of thread-specific data keys * available per process (must be at least 128) * * PTHREAD_STACK_MIN * Minimum supported stack size for a thread * * PTHREAD_THREADS_MAX * Maximum number of threads supported per * process (must be at least 64). * * SEM_NSEMS_MAX * The maximum number of semaphores a process can have. * (must be at least 256) * * SEM_VALUE_MAX * The maximum value a semaphore can have. * (must be at least 32767) * */ #undef _POSIX_THREAD_DESTRUCTOR_ITERATIONS #define _POSIX_THREAD_DESTRUCTOR_ITERATIONS 4 #undef PTHREAD_DESTRUCTOR_ITERATIONS #define PTHREAD_DESTRUCTOR_ITERATIONS _POSIX_THREAD_DESTRUCTOR_ITERATIONS #undef _POSIX_THREAD_KEYS_MAX #define _POSIX_THREAD_KEYS_MAX 128 #undef PTHREAD_KEYS_MAX #define PTHREAD_KEYS_MAX _POSIX_THREAD_KEYS_MAX #undef PTHREAD_STACK_MIN #define PTHREAD_STACK_MIN 0 #undef _POSIX_THREAD_THREADS_MAX #define _POSIX_THREAD_THREADS_MAX 64 /* Arbitrary value */ #undef PTHREAD_THREADS_MAX #define PTHREAD_THREADS_MAX 2019 #undef _POSIX_SEM_NSEMS_MAX #define _POSIX_SEM_NSEMS_MAX 256 /* Arbitrary value */ #undef SEM_NSEMS_MAX #define SEM_NSEMS_MAX 1024 #undef _POSIX_SEM_VALUE_MAX #define _POSIX_SEM_VALUE_MAX 32767 #undef SEM_VALUE_MAX #define SEM_VALUE_MAX INT_MAX #if __GNUC__ && ! defined (__declspec) # error Please upgrade your GNU compiler to one that supports __declspec. #endif /* * When building the DLL code, you should define PTW32_BUILD so that * the variables/functions are exported correctly. When using the DLL, * do NOT define PTW32_BUILD, and then the variables/functions will * be imported correctly. */ #ifndef PTW32_STATIC_LIB # ifdef PTW32_BUILD # define PTW32_DLLPORT __declspec (dllexport) # else # define PTW32_DLLPORT __declspec (dllimport) # endif #else # define PTW32_DLLPORT #endif /* * The Open Watcom C/C++ compiler uses a non-standard calling convention * that passes function args in registers unless __cdecl is explicitly specified * in exposed function prototypes. * * We force all calls to cdecl even though this could slow Watcom code down * slightly. If you know that the Watcom compiler will be used to build both * the DLL and application, then you can probably define this as a null string. * Remember that pthread.h (this file) is used for both the DLL and application builds. */ #define PTW32_CDECL __cdecl #if defined(_UWIN) && PTW32_LEVEL >= PTW32_LEVEL_MAX # include #else /* * Generic handle type - intended to extend uniqueness beyond * that available with a simple pointer. It should scale for either * IA-32 or IA-64. */ typedef struct { void * p; /* Pointer to actual object */ unsigned int x; /* Extra information - reuse count etc */ } ptw32_handle_t; typedef ptw32_handle_t pthread_t; typedef struct pthread_attr_t_ * pthread_attr_t; typedef struct pthread_once_t_ pthread_once_t; typedef struct pthread_key_t_ * pthread_key_t; typedef struct pthread_mutex_t_ * pthread_mutex_t; typedef struct pthread_mutexattr_t_ * pthread_mutexattr_t; typedef struct pthread_cond_t_ * pthread_cond_t; typedef struct pthread_condattr_t_ * pthread_condattr_t; #endif typedef struct pthread_rwlock_t_ * pthread_rwlock_t; typedef struct pthread_rwlockattr_t_ * pthread_rwlockattr_t; typedef struct pthread_spinlock_t_ * pthread_spinlock_t; typedef struct pthread_barrier_t_ * pthread_barrier_t; typedef struct pthread_barrierattr_t_ * pthread_barrierattr_t; /* * ==================== * ==================== * POSIX Threads * ==================== * ==================== */ enum { /* * pthread_attr_{get,set}detachstate */ PTHREAD_CREATE_JOINABLE = 0, /* Default */ PTHREAD_CREATE_DETACHED = 1, /* * pthread_attr_{get,set}inheritsched */ PTHREAD_INHERIT_SCHED = 0, PTHREAD_EXPLICIT_SCHED = 1, /* Default */ /* * pthread_{get,set}scope */ PTHREAD_SCOPE_PROCESS = 0, PTHREAD_SCOPE_SYSTEM = 1, /* Default */ /* * pthread_setcancelstate paramters */ PTHREAD_CANCEL_ENABLE = 0, /* Default */ PTHREAD_CANCEL_DISABLE = 1, /* * pthread_setcanceltype parameters */ PTHREAD_CANCEL_ASYNCHRONOUS = 0, PTHREAD_CANCEL_DEFERRED = 1, /* Default */ /* * pthread_mutexattr_{get,set}pshared * pthread_condattr_{get,set}pshared */ PTHREAD_PROCESS_PRIVATE = 0, PTHREAD_PROCESS_SHARED = 1, /* * pthread_barrier_wait */ PTHREAD_BARRIER_SERIAL_THREAD = -1 }; /* * ==================== * ==================== * Cancelation * ==================== * ==================== */ #define PTHREAD_CANCELED ((void *) -1) /* * ==================== * ==================== * Once Key * ==================== * ==================== */ #define PTHREAD_ONCE_INIT { PTW32_FALSE, 0, 0, 0} struct pthread_once_t_ { int done; /* indicates if user function has been executed */ void * lock; int reserved1; int reserved2; }; /* * ==================== * ==================== * Object initialisers * ==================== * ==================== */ #define PTHREAD_MUTEX_INITIALIZER ((pthread_mutex_t) -1) #define PTHREAD_RECURSIVE_MUTEX_INITIALIZER ((pthread_mutex_t) -2) #define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER ((pthread_mutex_t) -3) /* * Compatibility with LinuxThreads */ #define PTHREAD_RECURSIVE_MUTEX_INITIALIZER_NP PTHREAD_RECURSIVE_MUTEX_INITIALIZER #define PTHREAD_ERRORCHECK_MUTEX_INITIALIZER_NP PTHREAD_ERRORCHECK_MUTEX_INITIALIZER #define PTHREAD_COND_INITIALIZER ((pthread_cond_t) -1) #define PTHREAD_RWLOCK_INITIALIZER ((pthread_rwlock_t) -1) #define PTHREAD_SPINLOCK_INITIALIZER ((pthread_spinlock_t) -1) /* * Mutex types. */ enum { /* Compatibility with LinuxThreads */ PTHREAD_MUTEX_FAST_NP, PTHREAD_MUTEX_RECURSIVE_NP, PTHREAD_MUTEX_ERRORCHECK_NP, PTHREAD_MUTEX_TIMED_NP = PTHREAD_MUTEX_FAST_NP, PTHREAD_MUTEX_ADAPTIVE_NP = PTHREAD_MUTEX_FAST_NP, /* For compatibility with POSIX */ PTHREAD_MUTEX_NORMAL = PTHREAD_MUTEX_FAST_NP, PTHREAD_MUTEX_RECURSIVE = PTHREAD_MUTEX_RECURSIVE_NP, PTHREAD_MUTEX_ERRORCHECK = PTHREAD_MUTEX_ERRORCHECK_NP, PTHREAD_MUTEX_DEFAULT = PTHREAD_MUTEX_NORMAL }; typedef struct ptw32_cleanup_t ptw32_cleanup_t; #if defined(_MSC_VER) /* Disable MSVC 'anachronism used' warning */ #pragma warning( disable : 4229 ) #endif typedef void (* PTW32_CDECL ptw32_cleanup_callback_t)(void *); #if defined(_MSC_VER) #pragma warning( default : 4229 ) #endif struct ptw32_cleanup_t { ptw32_cleanup_callback_t routine; void *arg; struct ptw32_cleanup_t *prev; }; #ifdef __CLEANUP_SEH /* * WIN32 SEH version of cancel cleanup. */ #define pthread_cleanup_push( _rout, _arg ) \ { \ ptw32_cleanup_t _cleanup; \ \ _cleanup.routine = (ptw32_cleanup_callback_t)(_rout); \ _cleanup.arg = (_arg); \ __try \ { \ #define pthread_cleanup_pop( _execute ) \ } \ __finally \ { \ if( _execute || AbnormalTermination()) \ { \ (*(_cleanup.routine))( _cleanup.arg ); \ } \ } \ } #else /* __CLEANUP_SEH */ #ifdef __CLEANUP_C /* * C implementation of PThreads cancel cleanup */ #define pthread_cleanup_push( _rout, _arg ) \ { \ ptw32_cleanup_t _cleanup; \ \ ptw32_push_cleanup( &_cleanup, (ptw32_cleanup_callback_t) (_rout), (_arg) ); \ #define pthread_cleanup_pop( _execute ) \ (void) ptw32_pop_cleanup( _execute ); \ } #else /* __CLEANUP_C */ #ifdef __CLEANUP_CXX /* * C++ version of cancel cleanup. * - John E. Bossom. */ class PThreadCleanup { /* * PThreadCleanup * * Purpose * This class is a C++ helper class that is * used to implement pthread_cleanup_push/ * pthread_cleanup_pop. * The destructor of this class automatically * pops the pushed cleanup routine regardless * of how the code exits the scope * (i.e. such as by an exception) */ ptw32_cleanup_callback_t cleanUpRout; void * obj; int executeIt; public: PThreadCleanup() : cleanUpRout( 0 ), obj( 0 ), executeIt( 0 ) /* * No cleanup performed */ { } PThreadCleanup( ptw32_cleanup_callback_t routine, void * arg ) : cleanUpRout( routine ), obj( arg ), executeIt( 1 ) /* * Registers a cleanup routine for 'arg' */ { } ~PThreadCleanup() { if ( executeIt && ((void *) cleanUpRout != (void *) 0) ) { (void) (*cleanUpRout)( obj ); } } void execute( int exec ) { executeIt = exec; } }; /* * C++ implementation of PThreads cancel cleanup; * This implementation takes advantage of a helper * class who's destructor automatically calls the * cleanup routine if we exit our scope weirdly */ #define pthread_cleanup_push( _rout, _arg ) \ { \ PThreadCleanup cleanup((ptw32_cleanup_callback_t)(_rout), \ (void *) (_arg) ); #define pthread_cleanup_pop( _execute ) \ cleanup.execute( _execute ); \ } #else #error ERROR [__FILE__, line __LINE__]: Cleanup type undefined. #endif /* __CLEANUP_CXX */ #endif /* __CLEANUP_C */ #endif /* __CLEANUP_SEH */ /* * =============== * =============== * Methods * =============== * =============== */ /* * PThread Attribute Functions */ PTW32_DLLPORT int PTW32_CDECL pthread_attr_init (pthread_attr_t * attr); PTW32_DLLPORT int PTW32_CDECL pthread_attr_destroy (pthread_attr_t * attr); PTW32_DLLPORT int PTW32_CDECL pthread_attr_getdetachstate (const pthread_attr_t * attr, int *detachstate); PTW32_DLLPORT int PTW32_CDECL pthread_attr_getstackaddr (const pthread_attr_t * attr, void **stackaddr); PTW32_DLLPORT int PTW32_CDECL pthread_attr_getstacksize (const pthread_attr_t * attr, size_t * stacksize); PTW32_DLLPORT int PTW32_CDECL pthread_attr_setdetachstate (pthread_attr_t * attr, int detachstate); PTW32_DLLPORT int PTW32_CDECL pthread_attr_setstackaddr (pthread_attr_t * attr, void *stackaddr); PTW32_DLLPORT int PTW32_CDECL pthread_attr_setstacksize (pthread_attr_t * attr, size_t stacksize); PTW32_DLLPORT int PTW32_CDECL pthread_attr_getschedparam (const pthread_attr_t *attr, struct sched_param *param); PTW32_DLLPORT int PTW32_CDECL pthread_attr_setschedparam (pthread_attr_t *attr, const struct sched_param *param); PTW32_DLLPORT int PTW32_CDECL pthread_attr_setschedpolicy (pthread_attr_t *, int); PTW32_DLLPORT int PTW32_CDECL pthread_attr_getschedpolicy (pthread_attr_t *, int *); PTW32_DLLPORT int PTW32_CDECL pthread_attr_setinheritsched(pthread_attr_t * attr, int inheritsched); PTW32_DLLPORT int PTW32_CDECL pthread_attr_getinheritsched(pthread_attr_t * attr, int * inheritsched); PTW32_DLLPORT int PTW32_CDECL pthread_attr_setscope (pthread_attr_t *, int); PTW32_DLLPORT int PTW32_CDECL pthread_attr_getscope (const pthread_attr_t *, int *); /* * PThread Functions */ PTW32_DLLPORT int PTW32_CDECL pthread_create (pthread_t * tid, const pthread_attr_t * attr, void *(*start) (void *), void *arg); PTW32_DLLPORT int PTW32_CDECL pthread_detach (pthread_t tid); PTW32_DLLPORT int PTW32_CDECL pthread_equal (pthread_t t1, pthread_t t2); PTW32_DLLPORT void PTW32_CDECL pthread_exit (void *value_ptr); PTW32_DLLPORT int PTW32_CDECL pthread_join (pthread_t thread, void **value_ptr); PTW32_DLLPORT pthread_t PTW32_CDECL pthread_self (void); PTW32_DLLPORT int PTW32_CDECL pthread_cancel (pthread_t thread); PTW32_DLLPORT int PTW32_CDECL pthread_setcancelstate (int state, int *oldstate); PTW32_DLLPORT int PTW32_CDECL pthread_setcanceltype (int type, int *oldtype); PTW32_DLLPORT void PTW32_CDECL pthread_testcancel (void); PTW32_DLLPORT int PTW32_CDECL pthread_once (pthread_once_t * once_control, void (*init_routine) (void)); #if PTW32_LEVEL >= PTW32_LEVEL_MAX PTW32_DLLPORT ptw32_cleanup_t * PTW32_CDECL ptw32_pop_cleanup (int execute); PTW32_DLLPORT void PTW32_CDECL ptw32_push_cleanup (ptw32_cleanup_t * cleanup, void (*routine) (void *), void *arg); #endif /* PTW32_LEVEL >= PTW32_LEVEL_MAX */ /* * Thread Specific Data Functions */ PTW32_DLLPORT int PTW32_CDECL pthread_key_create (pthread_key_t * key, void (*destructor) (void *)); PTW32_DLLPORT int PTW32_CDECL pthread_key_delete (pthread_key_t key); PTW32_DLLPORT int PTW32_CDECL pthread_setspecific (pthread_key_t key, const void *value); PTW32_DLLPORT void * PTW32_CDECL pthread_getspecific (pthread_key_t key); /* * Mutex Attribute Functions */ PTW32_DLLPORT int PTW32_CDECL pthread_mutexattr_init (pthread_mutexattr_t * attr); PTW32_DLLPORT int PTW32_CDECL pthread_mutexattr_destroy (pthread_mutexattr_t * attr); PTW32_DLLPORT int PTW32_CDECL pthread_mutexattr_getpshared (const pthread_mutexattr_t * attr, int *pshared); PTW32_DLLPORT int PTW32_CDECL pthread_mutexattr_setpshared (pthread_mutexattr_t * attr, int pshared); PTW32_DLLPORT int PTW32_CDECL pthread_mutexattr_settype (pthread_mutexattr_t * attr, int kind); PTW32_DLLPORT int PTW32_CDECL pthread_mutexattr_gettype (pthread_mutexattr_t * attr, int *kind); /* * Barrier Attribute Functions */ PTW32_DLLPORT int PTW32_CDECL pthread_barrierattr_init (pthread_barrierattr_t * attr); PTW32_DLLPORT int PTW32_CDECL pthread_barrierattr_destroy (pthread_barrierattr_t * attr); PTW32_DLLPORT int PTW32_CDECL pthread_barrierattr_getpshared (const pthread_barrierattr_t * attr, int *pshared); PTW32_DLLPORT int PTW32_CDECL pthread_barrierattr_setpshared (pthread_barrierattr_t * attr, int pshared); /* * Mutex Functions */ PTW32_DLLPORT int PTW32_CDECL pthread_mutex_init (pthread_mutex_t * mutex, const pthread_mutexattr_t * attr); PTW32_DLLPORT int PTW32_CDECL pthread_mutex_destroy (pthread_mutex_t * mutex); PTW32_DLLPORT int PTW32_CDECL pthread_mutex_lock (pthread_mutex_t * mutex); PTW32_DLLPORT int PTW32_CDECL pthread_mutex_timedlock(pthread_mutex_t *mutex, const struct timespec *abstime); PTW32_DLLPORT int PTW32_CDECL pthread_mutex_trylock (pthread_mutex_t * mutex); PTW32_DLLPORT int PTW32_CDECL pthread_mutex_unlock (pthread_mutex_t * mutex); /* * Spinlock Functions */ PTW32_DLLPORT int PTW32_CDECL pthread_spin_init (pthread_spinlock_t * lock, int pshared); PTW32_DLLPORT int PTW32_CDECL pthread_spin_destroy (pthread_spinlock_t * lock); PTW32_DLLPORT int PTW32_CDECL pthread_spin_lock (pthread_spinlock_t * lock); PTW32_DLLPORT int PTW32_CDECL pthread_spin_trylock (pthread_spinlock_t * lock); PTW32_DLLPORT int PTW32_CDECL pthread_spin_unlock (pthread_spinlock_t * lock); /* * Barrier Functions */ PTW32_DLLPORT int PTW32_CDECL pthread_barrier_init (pthread_barrier_t * barrier, const pthread_barrierattr_t * attr, unsigned int count); PTW32_DLLPORT int PTW32_CDECL pthread_barrier_destroy (pthread_barrier_t * barrier); PTW32_DLLPORT int PTW32_CDECL pthread_barrier_wait (pthread_barrier_t * barrier); /* * Condition Variable Attribute Functions */ PTW32_DLLPORT int PTW32_CDECL pthread_condattr_init (pthread_condattr_t * attr); PTW32_DLLPORT int PTW32_CDECL pthread_condattr_destroy (pthread_condattr_t * attr); PTW32_DLLPORT int PTW32_CDECL pthread_condattr_getpshared (const pthread_condattr_t * attr, int *pshared); PTW32_DLLPORT int PTW32_CDECL pthread_condattr_setpshared (pthread_condattr_t * attr, int pshared); /* * Condition Variable Functions */ PTW32_DLLPORT int PTW32_CDECL pthread_cond_init (pthread_cond_t * cond, const pthread_condattr_t * attr); PTW32_DLLPORT int PTW32_CDECL pthread_cond_destroy (pthread_cond_t * cond); PTW32_DLLPORT int PTW32_CDECL pthread_cond_wait (pthread_cond_t * cond, pthread_mutex_t * mutex); PTW32_DLLPORT int PTW32_CDECL pthread_cond_timedwait (pthread_cond_t * cond, pthread_mutex_t * mutex, const struct timespec *abstime); PTW32_DLLPORT int PTW32_CDECL pthread_cond_signal (pthread_cond_t * cond); PTW32_DLLPORT int PTW32_CDECL pthread_cond_broadcast (pthread_cond_t * cond); /* * Scheduling */ PTW32_DLLPORT int PTW32_CDECL pthread_setschedparam (pthread_t thread, int policy, const struct sched_param *param); PTW32_DLLPORT int PTW32_CDECL pthread_getschedparam (pthread_t thread, int *policy, struct sched_param *param); PTW32_DLLPORT int PTW32_CDECL pthread_setconcurrency (int); PTW32_DLLPORT int PTW32_CDECL pthread_getconcurrency (void); /* * Read-Write Lock Functions */ PTW32_DLLPORT int PTW32_CDECL pthread_rwlock_init(pthread_rwlock_t *lock, const pthread_rwlockattr_t *attr); PTW32_DLLPORT int PTW32_CDECL pthread_rwlock_destroy(pthread_rwlock_t *lock); PTW32_DLLPORT int PTW32_CDECL pthread_rwlock_tryrdlock(pthread_rwlock_t *); PTW32_DLLPORT int PTW32_CDECL pthread_rwlock_trywrlock(pthread_rwlock_t *); PTW32_DLLPORT int PTW32_CDECL pthread_rwlock_rdlock(pthread_rwlock_t *lock); PTW32_DLLPORT int PTW32_CDECL pthread_rwlock_timedrdlock(pthread_rwlock_t *lock, const struct timespec *abstime); PTW32_DLLPORT int PTW32_CDECL pthread_rwlock_wrlock(pthread_rwlock_t *lock); PTW32_DLLPORT int PTW32_CDECL pthread_rwlock_timedwrlock(pthread_rwlock_t *lock, const struct timespec *abstime); PTW32_DLLPORT int PTW32_CDECL pthread_rwlock_unlock(pthread_rwlock_t *lock); PTW32_DLLPORT int PTW32_CDECL pthread_rwlockattr_init (pthread_rwlockattr_t * attr); PTW32_DLLPORT int PTW32_CDECL pthread_rwlockattr_destroy (pthread_rwlockattr_t * attr); PTW32_DLLPORT int PTW32_CDECL pthread_rwlockattr_getpshared (const pthread_rwlockattr_t * attr, int *pshared); PTW32_DLLPORT int PTW32_CDECL pthread_rwlockattr_setpshared (pthread_rwlockattr_t * attr, int pshared); #if PTW32_LEVEL >= PTW32_LEVEL_MAX - 1 /* * Signal Functions. Should be defined in but MSVC and MinGW32 * already have signal.h that don't define these. */ PTW32_DLLPORT int PTW32_CDECL pthread_kill(pthread_t thread, int sig); /* * Non-portable functions */ /* * Compatibility with Linux. */ PTW32_DLLPORT int PTW32_CDECL pthread_mutexattr_setkind_np(pthread_mutexattr_t * attr, int kind); PTW32_DLLPORT int PTW32_CDECL pthread_mutexattr_getkind_np(pthread_mutexattr_t * attr, int *kind); /* * Possibly supported by other POSIX threads implementations */ PTW32_DLLPORT int PTW32_CDECL pthread_delay_np (struct timespec * interval); PTW32_DLLPORT int PTW32_CDECL pthread_num_processors_np(void); /* * Useful if an application wants to statically link * the lib rather than load the DLL at run-time. */ PTW32_DLLPORT int PTW32_CDECL pthread_win32_process_attach_np(void); PTW32_DLLPORT int PTW32_CDECL pthread_win32_process_detach_np(void); PTW32_DLLPORT int PTW32_CDECL pthread_win32_thread_attach_np(void); PTW32_DLLPORT int PTW32_CDECL pthread_win32_thread_detach_np(void); /* * Features that are auto-detected at load/run time. */ PTW32_DLLPORT int PTW32_CDECL pthread_win32_test_features_np(int); enum ptw32_features { PTW32_SYSTEM_INTERLOCKED_COMPARE_EXCHANGE = 0x0001, /* System provides it. */ PTW32_ALERTABLE_ASYNC_CANCEL = 0x0002 /* Can cancel blocked threads. */ }; /* * Register a system time change with the library. * Causes the library to perform various functions * in response to the change. Should be called whenever * the application's top level window receives a * WM_TIMECHANGE message. It can be passed directly to * pthread_create() as a new thread if desired. */ PTW32_DLLPORT void * PTW32_CDECL pthread_timechange_handler_np(void *); #endif /*PTW32_LEVEL >= PTW32_LEVEL_MAX - 1 */ #if PTW32_LEVEL >= PTW32_LEVEL_MAX /* * Returns the Win32 HANDLE for the POSIX thread. */ PTW32_DLLPORT HANDLE PTW32_CDECL pthread_getw32threadhandle_np(pthread_t thread); /* * Protected Methods * * This function blocks until the given WIN32 handle * is signaled or pthread_cancel had been called. * This function allows the caller to hook into the * PThreads cancel mechanism. It is implemented using * * WaitForMultipleObjects * * on 'waitHandle' and a manually reset WIN32 Event * used to implement pthread_cancel. The 'timeout' * argument to TimedWait is simply passed to * WaitForMultipleObjects. */ PTW32_DLLPORT int PTW32_CDECL pthreadCancelableWait (HANDLE waitHandle); PTW32_DLLPORT int PTW32_CDECL pthreadCancelableTimedWait (HANDLE waitHandle, DWORD timeout); #endif /* PTW32_LEVEL >= PTW32_LEVEL_MAX */ /* * Thread-Safe C Runtime Library Mappings. */ #ifndef _UWIN # if defined(NEED_ERRNO) PTW32_DLLPORT int * PTW32_CDECL _errno( void ); # else # ifndef errno # if (defined(_MT) || defined(_DLL)) __declspec(dllimport) extern int * __cdecl _errno(void); # define errno (*_errno()) # endif # endif # endif #endif /* * WIN32 C runtime library had been made thread-safe * without affecting the user interface. Provide * mappings from the UNIX thread-safe versions to * the standard C runtime library calls. * Only provide function mappings for functions that * actually exist on WIN32. */ #if !defined(__MINGW32__) #define strtok_r( _s, _sep, _lasts ) \ ( *(_lasts) = strtok( (_s), (_sep) ) ) #endif /* !__MINGW32__ */ #define asctime_r( _tm, _buf ) \ ( strcpy( (_buf), asctime( (_tm) ) ), \ (_buf) ) #define ctime_r( _clock, _buf ) \ ( strcpy( (_buf), ctime( (_clock) ) ), \ (_buf) ) #define gmtime_r( _clock, _result ) \ ( *(_result) = *gmtime( (_clock) ), \ (_result) ) #define localtime_r( _clock, _result ) \ ( *(_result) = *localtime( (_clock) ), \ (_result) ) #define rand_r( _seed ) \ ( _seed == _seed? rand() : rand() ) /* * Some compiler environments don't define some things. */ #if defined(__BORLANDC__) # define _ftime ftime # define _timeb timeb #endif #ifdef __cplusplus /* * Internal exceptions */ class ptw32_exception {}; class ptw32_exception_cancel : public ptw32_exception {}; class ptw32_exception_exit : public ptw32_exception {}; #endif #if PTW32_LEVEL >= PTW32_LEVEL_MAX /* FIXME: This is only required if the library was built using SEH */ /* * Get internal SEH tag */ PTW32_DLLPORT DWORD PTW32_CDECL ptw32_get_exception_services_code(void); #endif /* PTW32_LEVEL >= PTW32_LEVEL_MAX */ #ifndef PTW32_BUILD #ifdef __CLEANUP_SEH /* * Redefine the SEH __except keyword to ensure that applications * propagate our internal exceptions up to the library's internal handlers. */ #define __except( E ) \ __except( ( GetExceptionCode() == ptw32_get_exception_services_code() ) \ ? EXCEPTION_CONTINUE_SEARCH : ( E ) ) #endif /* __CLEANUP_SEH */ #ifdef __CLEANUP_CXX /* * Redefine the C++ catch keyword to ensure that applications * propagate our internal exceptions up to the library's internal handlers. */ #ifdef _MSC_VER /* * WARNING: Replace any 'catch( ... )' with 'PtW32CatchAll' * if you want Pthread-Win32 cancelation and pthread_exit to work. */ #ifndef PtW32NoCatchWarn #pragma message("Specify \"/DPtW32NoCatchWarn\" compiler flag to skip this message.") #pragma message("------------------------------------------------------------------") #pragma message("When compiling applications with MSVC++ and C++ exception handling:") #pragma message(" Replace any 'catch( ... )' in routines called from POSIX threads") #pragma message(" with 'PtW32CatchAll' or 'CATCHALL' if you want POSIX thread") #pragma message(" cancelation and pthread_exit to work. For example:") #pragma message("") #pragma message(" #ifdef PtW32CatchAll") #pragma message(" PtW32CatchAll") #pragma message(" #else") #pragma message(" catch(...)") #pragma message(" #endif") #pragma message(" {") #pragma message(" /* Catchall block processing */") #pragma message(" }") #pragma message("------------------------------------------------------------------") #endif #define PtW32CatchAll \ catch( ptw32_exception & ) { throw; } \ catch( ... ) #else /* _MSC_VER */ #define catch( E ) \ catch( ptw32_exception & ) { throw; } \ catch( E ) #endif /* _MSC_VER */ #endif /* __CLEANUP_CXX */ #endif /* ! PTW32_BUILD */ #ifdef __cplusplus } /* End of extern "C" */ #endif /* __cplusplus */ #ifdef PTW32__HANDLE_DEF # undef HANDLE #endif #ifdef PTW32__DWORD_DEF # undef DWORD #endif #undef PTW32_LEVEL #undef PTW32_LEVEL_MAX #endif /* ! RC_INVOKED */ #endif /* PTHREAD_H */