Merge CV, ver=5.1; ops/methods from HV, and interface from CV where possible

[goodguy/history.git] / cinelerra-5.0 / guicast / sema.C

diff --git a/cinelerra-5.0/guicast/sema.C b/cinelerra-5.0/guicast/sema.C
deleted file mode 100644 (file)
index 4bd1de7..0000000
--- a/cinelerra-5.0/guicast/sema.C
+++ /dev/null
@@ -1,155 +0,0 @@
-
-/*
- * CINELERRA
- * Copyright (C) 2008 Adam Williams <broadcast at earthling dot net>
- * 
- * 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
- * 
- */
-
-#include "bcsignals.h"
-#include "sema.h"
-
-
-
-
-Sema::Sema(int init_value, const char *title)
-{
-       sem_init(&sem, 0, init_value);
-       this->title = title;
-       this->init_value = init_value;
-}
-
-Sema::~Sema()
-{
-       sem_destroy(&sem);
-       UNSET_ALL_LOCKS(this);
-}
-
-
-void Sema::lock(const char *location)
-{
-       SET_LOCK(this, title, location);
-       sem_wait(&sem);
-       SET_LOCK2
-}
-
-void Sema::unlock()
-{
-       UNSET_LOCK(this);
-       sem_post(&sem);
-}
-
-int Sema::get_value()
-{
-       int result;
-       sem_getvalue(&sem, &result);
-       return result;
-}
-
-void Sema::reset()
-{
-       sem_destroy(&sem);
-       sem_init(&sem, 0, init_value);
-       UNSET_ALL_LOCKS(this)
-}
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-#if 0
-
-#include "bcipc.h"
-#include "sema.h"
-
-Sema::Sema(int id, int number)
-{
-       if(id == -1)
-       {
-               if((semid = semget(IPC_PRIVATE, number, IPC_CREAT | 0777)) < 0) perror("Sema::Sema");
-               for(int i = 0; i < number; i++) unlock(i);
-               client = 0;
-               bc_enter_sema_id(semid);
-       }
-       else
-       {
-               client = 1;
-               this->semid = id;
-       }
-
-       semas = number;
-}
-
-Sema::~Sema()
-{
-       if(!client)
-       {
-               if(semctl(semid, 0, IPC_RMID, arg) < 0) perror("Sema::~Sema");
-               bc_remove_sema_id(semid);
-       }
-}
-
-       
-int Sema::lock(int number)
-{
-       struct sembuf sop;
-       
-// decrease the semaphore
-       sop.sem_num = number;
-       sop.sem_op = -1;
-       sop.sem_flg = 0;
-       if(semop(semid, &sop, 1) < 0) perror("Sema::lock");
-       return 0;
-}
-
-int Sema::unlock(int number)
-{
-       struct sembuf sop;
-       
-// decrease the semaphore
-       sop.sem_num = number;
-       sop.sem_op = 1;
-       sop.sem_flg = 0;
-       if(semop(semid, &sop, 1) < 0) perror("Sema::unlock");
-       return 0;
-}
-
-int Sema::get_value(int number)
-{
-       return semctl(semid, number, GETVAL, arg);
-}
-
-int Sema::get_id()
-{
-       return semid;
-}
-
-
-#endif