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Diffstat (limited to 'ptw32_processInitialize.c')
-rw-r--r-- | ptw32_processInitialize.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/ptw32_processInitialize.c b/ptw32_processInitialize.c new file mode 100644 index 0000000..7c1818a --- /dev/null +++ b/ptw32_processInitialize.c @@ -0,0 +1,100 @@ +/* + * ptw32_processInitialize.c + * + * Description: + * This translation unit implements routines which are private to + * the implementation and may be used throughout it. + * + * -------------------------------------------------------------------------- + * + * Pthreads-win32 - POSIX Threads Library for Win32 + * Copyright(C) 1998 John E. Bossom + * Copyright(C) 1999,2002 Pthreads-win32 contributors + * + * Contact Email: rpj@ise.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 + */ + +#include "pthread.h" +#include "implement.h" + + +int +ptw32_processInitialize (void) + /* + * ------------------------------------------------------ + * DOCPRIVATE + * This function performs process wide initialization for + * the pthread library. + * + * PARAMETERS + * N/A + * + * DESCRIPTION + * This function performs process wide initialization for + * the pthread library. + * If successful, this routine sets the global variable + * ptw32_processInitialized to TRUE. + * + * RESULTS + * TRUE if successful, + * FALSE otherwise + * + * ------------------------------------------------------ + */ +{ + if (ptw32_processInitialized) { + /* + * ignore if already initialized. this is useful for + * programs that uses a non-dll pthread + * library. such programs must call ptw32_processInitialize() explicitely, + * since this initialization routine is automatically called only when + * the dll is loaded. + */ + return TRUE; + } + + ptw32_processInitialized = TRUE; + + /* + * Initialize Keys + */ + if ((pthread_key_create (&ptw32_selfThreadKey, NULL) != 0) || + (pthread_key_create (&ptw32_cleanupKey, NULL) != 0)) + { + + ptw32_processTerminate (); + } + + /* + * Set up the global locks. + */ + InitializeCriticalSection(&ptw32_mutex_test_init_lock); + InitializeCriticalSection(&ptw32_cond_list_lock); + InitializeCriticalSection(&ptw32_cond_test_init_lock); + InitializeCriticalSection(&ptw32_rwlock_test_init_lock); + InitializeCriticalSection(&ptw32_spinlock_test_init_lock); + + return (ptw32_processInitialized); + +} /* processInitialize */ |