1 files changed, 0 insertions, 104 deletions
diff --git a/mysys/my_semaphore.c b/mysys/my_semaphore.c
deleted file mode 100644
index aa216cbc289..00000000000
--- a/mysys/my_semaphore.c
+++ /dev/null
@@ -1,104 +0,0 @@
-/* Copyright (C) 2002 MySQL AB & MySQL Finland AB & TCX DataKonsult AB
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program 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 General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA */
-
-/*
-  Simple implementation of semaphores, needed to compile MySQL on systems
-  that doesn't support semaphores.
-*/
-
-#include <my_global.h>
-#include <my_semaphore.h>
-#include <errno.h>
-
-#if !defined(__WIN__) && !defined(HAVE_SEMAPHORE_H) && defined(THREAD)
-
-int sem_init(sem_t * sem, int pshared, uint value)
-{
-  sem->count=value;
-  pthread_cond_init(&sem->cond, 0);
-  pthread_mutex_init(&sem->mutex, 0);
-  return 0;
-}
-
-int sem_destroy(sem_t * sem)
-{
-  int err1,err2;
-  err1=pthread_cond_destroy(&sem->cond);
-  err2=pthread_mutex_destroy(&sem->mutex);
-  if (err1 || err2)
-  {
-    errno=err1 ? err1 : err2;
-    return -1;
-  }
-  return 0;
-}
-
-int sem_wait(sem_t * sem)
-{
-  if ((errno=pthread_mutex_lock(&sem->mutex)))
-    return -1;
-  while (!sem->count)
-    pthread_cond_wait(&sem->cond, &sem->mutex);
-  if (errno)
-    return -1;
-  sem->count--; /* mutex is locked here */
-  pthread_mutex_unlock(&sem->mutex);
-  return 0;
-}
-
-int sem_trywait(sem_t * sem)
-{
-  if ((errno=pthread_mutex_lock(&sem->mutex)))
-    return -1;
-  if (sem->count)
-    sem->count--;
-  else
-    errno=EAGAIN;
-  pthread_mutex_unlock(&sem->mutex);
-  return errno ? -1 : 0;
-}
-
-
-int sem_post(sem_t * sem)
-{
-  if ((errno=pthread_mutex_lock(&sem->mutex)))
-    return -1;
-  sem->count++;
-  pthread_mutex_unlock(&sem->mutex);    /* does it really matter what to do */
-  pthread_cond_signal(&sem->cond);      /* first: x_unlock or x_signal ?    */
-  return 0;
-}
-
-int sem_post_multiple(sem_t * sem, uint count)
-{
-  if ((errno=pthread_mutex_lock(&sem->mutex)))
-    return -1;
-  sem->count+=count;
-  pthread_mutex_unlock(&sem->mutex);    /* does it really matter what to do */
-  pthread_cond_broadcast(&sem->cond);   /* first: x_unlock or x_broadcast ? */
-  return 0;
-}
-
-int sem_getvalue(sem_t * sem, uint *sval)
-{
-  if ((errno=pthread_mutex_lock(&sem->mutex)))
-    return -1;
-  *sval=sem->count;
-  pthread_mutex_unlock(&sem->mutex);
-  return 0;
-}
-
-#endif /* !defined(__WIN__) && !defined(HAVE_SEMAPHORE_H) && defined(THREAD) */