diff options
author | rpj <rpj> | 2002-02-18 03:16:52 +0000 |
---|---|---|
committer | rpj <rpj> | 2002-02-18 03:16:52 +0000 |
commit | a416ab17ecf9f2cb0f1e3f7bd645a8d1ce690ca2 (patch) | |
tree | 72f776cd64e48824a5578ff7a523bc69097143b4 /condvar_attr_setpshared.c | |
parent | e6f1797e9e9925ae7f9dda54806ef8f52ae3ed07 (diff) |
Major reorganisation of source code; new routine and tests added.
Diffstat (limited to 'condvar_attr_setpshared.c')
-rw-r--r-- | condvar_attr_setpshared.c | 117 |
1 files changed, 0 insertions, 117 deletions
diff --git a/condvar_attr_setpshared.c b/condvar_attr_setpshared.c deleted file mode 100644 index 4e396c2..0000000 --- a/condvar_attr_setpshared.c +++ /dev/null @@ -1,117 +0,0 @@ -/* - * condvar_attr_setpshared.c - * - * Description: - * This translation unit implements condition variables and their primitives. - * - * - * -------------------------------------------------------------------------- - * - * 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 -pthread_condattr_setpshared (pthread_condattr_t * attr, int pshared) - /* - * ------------------------------------------------------ - * DOCPUBLIC - * Mutexes created with 'attr' can be shared between - * processes if pthread_mutex_t variable is allocated - * in memory shared by these processes. - * - * PARAMETERS - * attr - * pointer to an instance of pthread_mutexattr_t - * - * pshared - * must be one of: - * - * PTHREAD_PROCESS_SHARED - * May be shared if in shared memory - * - * PTHREAD_PROCESS_PRIVATE - * Cannot be shared. - * - * DESCRIPTION - * Mutexes creatd with 'attr' can be shared between - * processes if pthread_mutex_t variable is allocated - * in memory shared by these processes. - * - * NOTES: - * 1) pshared mutexes MUST be allocated in shared - * memory. - * - * 2) The following macro is defined if shared mutexes - * are supported: - * _POSIX_THREAD_PROCESS_SHARED - * - * RESULTS - * 0 successfully set attribute, - * EINVAL 'attr' or pshared is invalid, - * ENOSYS PTHREAD_PROCESS_SHARED not supported, - * - * ------------------------------------------------------ - */ -{ - int result; - - if ((attr != NULL && *attr != NULL) - && ((pshared == PTHREAD_PROCESS_SHARED) - || (pshared == PTHREAD_PROCESS_PRIVATE))) - { - if (pshared == PTHREAD_PROCESS_SHARED) - { - -#if !defined( _POSIX_THREAD_PROCESS_SHARED ) - result = ENOSYS; - pshared = PTHREAD_PROCESS_PRIVATE; -#else - result = 0; - -#endif /* _POSIX_THREAD_PROCESS_SHARED */ - - } - else - { - result = 0; - } - - (*attr)->pshared = pshared; - } - else - { - result = EINVAL; - } - - return result; - -} /* pthread_condattr_setpshared */ |