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authorrpj <rpj>2002-02-18 03:16:52 +0000
committerrpj <rpj>2002-02-18 03:16:52 +0000
commita416ab17ecf9f2cb0f1e3f7bd645a8d1ce690ca2 (patch)
tree72f776cd64e48824a5578ff7a523bc69097143b4 /condvar_init.c
parente6f1797e9e9925ae7f9dda54806ef8f52ae3ed07 (diff)
Major reorganisation of source code; new routine and tests added.
Diffstat (limited to 'condvar_init.c')
-rw-r--r--condvar_init.c143
1 files changed, 0 insertions, 143 deletions
diff --git a/condvar_init.c b/condvar_init.c
deleted file mode 100644
index ecd4297..0000000
--- a/condvar_init.c
+++ /dev/null
@@ -1,143 +0,0 @@
-/*
- * condvar_init.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_cond_init (pthread_cond_t * cond, const pthread_condattr_t * attr)
- /*
- * ------------------------------------------------------
- * DOCPUBLIC
- * This function initializes a condition variable.
- *
- * PARAMETERS
- * cond
- * pointer to an instance of pthread_cond_t
- *
- * attr
- * specifies optional creation attributes.
- *
- *
- * DESCRIPTION
- * This function initializes a condition variable.
- *
- * RESULTS
- * 0 successfully created condition variable,
- * EINVAL 'attr' is invalid,
- * EAGAIN insufficient resources (other than
- * memory,
- * ENOMEM insufficient memory,
- * EBUSY 'cond' is already initialized,
- *
- * ------------------------------------------------------
- */
-{
- int result;
- pthread_cond_t cv = NULL;
-
- if (cond == NULL)
- {
- return EINVAL;
- }
-
- if ((attr != NULL && *attr != NULL) &&
- ((*attr)->pshared == PTHREAD_PROCESS_SHARED))
- {
- /*
- * Creating condition variable that can be shared between
- * processes.
- */
- result = ENOSYS;
- goto DONE;
- }
-
- cv = (pthread_cond_t) calloc(1, sizeof (*cv));
-
- if (cv == NULL)
- {
- result = ENOMEM;
- goto DONE;
- }
-
- cv->nWaitersBlocked = 0;
- cv->nWaitersToUnblock = 0;
- cv->nWaitersGone = 0;
-
- if (sem_init(&(cv->semBlockLock), 0, 1) != 0)
- {
- result = errno;
- goto FAIL0;
- }
-
- if (sem_init(&(cv->semBlockQueue), 0, 0) != 0)
- {
- result = errno;
- goto FAIL1;
- }
-
- if ((result = pthread_mutex_init(&(cv->mtxUnblockLock), 0)) != 0)
- {
- goto FAIL2;
- }
-
- result = 0;
-
- goto DONE;
-
- /*
- * -------------
- * Failed...
- * -------------
- */
-FAIL2:
- (void) sem_destroy(&(cv->semBlockQueue));
-
-FAIL1:
- (void) sem_destroy(&(cv->semBlockLock));
-
-FAIL0:
- (void) free(cv);
- cv = NULL;
-
-DONE:
- *cond = cv;
-
- return result;
-
-} /* pthread_cond_init */