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1.1 ! root 1: /* threadwrap.h */ ! 2: ! 3: /* Thread-related cross-platform development wrappers */ ! 4: ! 5: /* $Id: threadwrap.h,v 1.27 2004/11/05 01:35:08 rswindell Exp $ */ ! 6: ! 7: /**************************************************************************** ! 8: * @format.tab-size 4 (Plain Text/Source Code File Header) * ! 9: * @format.use-tabs true (see http://www.synchro.net/ptsc_hdr.html) * ! 10: * * ! 11: * Copyright 2003 Rob Swindell - http://www.synchro.net/copyright.html * ! 12: * * ! 13: * This library is free software; you can redistribute it and/or * ! 14: * modify it under the terms of the GNU Lesser General Public License * ! 15: * as published by the Free Software Foundation; either version 2 * ! 16: * of the License, or (at your option) any later version. * ! 17: * See the GNU Lesser General Public License for more details: lgpl.txt or * ! 18: * http://www.fsf.org/copyleft/lesser.html * ! 19: * * ! 20: * Anonymous FTP access to the most recent released source is available at * ! 21: * ftp://vert.synchro.net, ftp://cvs.synchro.net and ftp://ftp.synchro.net * ! 22: * * ! 23: * Anonymous CVS access to the development source and modification history * ! 24: * is available at cvs.synchro.net:/cvsroot/sbbs, example: * ! 25: * cvs -d :pserver:[email protected]:/cvsroot/sbbs login * ! 26: * (just hit return, no password is necessary) * ! 27: * cvs -d :pserver:[email protected]:/cvsroot/sbbs checkout src * ! 28: * * ! 29: * For Synchronet coding style and modification guidelines, see * ! 30: * http://www.synchro.net/source.html * ! 31: * * ! 32: * You are encouraged to submit any modifications (preferably in Unix diff * ! 33: * format) via e-mail to [email protected] * ! 34: * * ! 35: * Note: If this box doesn't appear square, then you need to fix your tabs. * ! 36: ****************************************************************************/ ! 37: ! 38: #ifndef _THREADWRAP_H ! 39: #define _THREADWRAP_H ! 40: ! 41: #include "gen_defs.h" /* HANDLE */ ! 42: #include "wrapdll.h" /* DLLEXPORT and DLLCALL */ ! 43: ! 44: #if defined(__cplusplus) ! 45: extern "C" { ! 46: #endif ! 47: ! 48: #if defined(__unix__) ! 49: ! 50: #include <sys/param.h> ! 51: #include <pthread.h> /* POSIX threads and mutexes */ ! 52: ! 53: /* Win32 thread API wrappers */ ! 54: ulong _beginthread(void( *start_address )( void * ) ! 55: ,unsigned stack_size, void *arglist); ! 56: ! 57: #define GetCurrentThreadId() pthread_self() ! 58: ! 59: #elif defined(_WIN32) ! 60: ! 61: #include <process.h> /* _beginthread */ ! 62: #include <limits.h> /* INT_MAX */ ! 63: #include <errno.h> /* EAGAIN and EBUSY */ ! 64: ! 65: /* POSIX threads */ ! 66: typedef DWORD pthread_t; ! 67: #define pthread_self() GetCurrentThreadId() ! 68: ! 69: /* POSIX mutexes */ ! 70: #if 1 /* Implemented as Win32 Critical Sections */ ! 71: typedef CRITICAL_SECTION pthread_mutex_t; ! 72: #define pthread_mutex_init(pmtx,v) InitializeCriticalSection(pmtx),0 ! 73: #define pthread_mutex_lock(pmtx) EnterCriticalSection(pmtx),0 ! 74: #define pthread_mutex_unlock(pmtx) LeaveCriticalSection(pmtx),0 ! 75: #define pthread_mutex_destroy(pmtx) DeleteCriticalSection(pmtx),0 ! 76: /* TryEnterCriticalSection only available on NT4+ :-( */ ! 77: #define pthread_mutex_trylock(pmtx) (TryEnterCriticalSection(pmtx)?0:EBUSY) ! 78: ! 79: #else /* Implemented as Win32 Mutexes (much slower) */ ! 80: typedef HANDLE pthread_mutex_t; ! 81: #define PTHREAD_MUTEX_INITIALIZER CreateMutex(NULL,FALSE,NULL) ! 82: #define pthread_mutex_init(pmtx,v) (*(pmtx)=CreateMutex(NULL,FALSE,NULL))==NULL?-1:0) ! 83: #define pthread_mutex_lock(pmtx) (WaitForSingleObject(*(pmtx),INFINITE)==WAIT_OBJECT_0?0:EBUSY) ! 84: #define pthread_mutex_unlock(pmtx) (ReleaseMutex(*(pmtx))?0:GetLastError()) ! 85: #define pthread_mutex_destroy(pmtx) (CloseHandle(*(pmtx))?0:GetLastError()) ! 86: #define pthread_mutex_trylock(pmtx) (WaitForSingleObject(*(pmtx),0)==WAIT_OBJECT_0?0:EBUSY) ! 87: #endif ! 88: ! 89: #elif defined(__OS2__) /* These have *not* been tested! */ ! 90: ! 91: /* POSIX mutexes */ ! 92: typedef HEV pthread_mutex_t; ! 93: #define pthread_mutex_init(pmtx,v) DosCreateMutexSem(NULL,pmtx,0,0) ! 94: #define pthread_mutex_lock(pmtx) DosRequestMutexSem(*(psem),-1) ! 95: #define pthread_mutex_unlock(pmtx) DosReleaseMutexSem(*(psem)) ! 96: #define pthread_mutex_destroy(pmtx) DosCloseMutexSem(*(psem)) ! 97: ! 98: #else ! 99: ! 100: #error "Need thread wrappers." ! 101: ! 102: #endif ! 103: ! 104: #if defined(__cplusplus) ! 105: } ! 106: #endif ! 107: ! 108: #include "semwrap.h" ! 109: ! 110: #endif /* Don't add anything after this line */
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