Initial drop of dashboard instrumentation - enabled with

[privoxy.git] / src / ipc.h

diff --git a/src/ipc.h b/src/ipc.h
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+++ b/src/ipc.h
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+#ifndef IPC_H_INCLUDED
+#define IPC_H_INCLUDED
+#define IPC_H_VERSION "$Id: ipc.h,v 2.0 2002/06/04 14:34:21 jongfoster Exp $"
+/*********************************************************************
+ *
+ * File        :  $Source: /cvsroot/ijbswa/current/src/ipc.h,v $
+ *
+ * Purpose     :  Functions to provide portable interprocess
+ *                communications: semaphores, sleeping, etc.
+ *
+ * Copyright   :  Written by and Copyright (C) 2002, 2003 the SourceForge
+ *                Privoxy team. http://www.privoxy.org/
+ *
+ *                Based on the Internet Junkbuster originally written
+ *                by and Copyright (C) 1997 Anonymous Coders and 
+ *                Junkbusters Corporation.  http://www.junkbusters.com
+ *
+ *                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.
+ *
+ *                The GNU General Public License should be included with
+ *                this file.  If not, you can view it at
+ *                http://www.gnu.org/copyleft/gpl.html
+ *                or write to the Free Software Foundation, Inc., 59
+ *                Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+ *
+ * Revisions   :
+ *    $Log: ipc.h,v $
+ *
+ *********************************************************************/
+\f
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/*
+ * Here, we define common ways of defining mutual exclusion variables
+ * and the manipulation thereof.  We define an alias for the type that
+ * particular OSes like to see, and we have a common model of locking
+ * and unlocking them.
+ */
+
+#ifdef _WIN32
+  #include <windows.h>
+  #define IPC_MUTEX_LOCK HANDLE
+  #define IPC_CREATE_MUTEX(lock) InitializeCriticalSection(&lock)
+  #define IPC_LOCK_MUTEX(lock) EnterCriticalSection(lock)
+  #define IPC_UNLOCK_MUTEX(lock) LeaveCriticalSection(lock)
+  #define IPC_SLEEP_SECONDS(seconds) Sleep(seconds * 1000)
+#elif __OS2__
+  #define INCL_DOSSEMAPHORES
+  #define INCL_DOSPROCESS
+  #include <os2.h>
+  #define IPC_MUTEX_LOCK HMTX
+  #define IPC_CREATE_MUTEX(lock) DosCreateMutexSem(NULL, &lock, 0, FALSE)
+  #define IPC_LOCK_MUTEX(lock) DosRequestMutexSem(lock,SEM_INDEFINITE_WAIT)
+  #define IPC_UNLOCK_MUTEX(lock) DosReleaseMutexSem(lock)
+  #define IPC_SLEEP_SECONDS(seconds) DosSleep(seconds * 1000)
+#else
+  /* Generic unix processing.  This will probably need tweaking for variants. */
+  #include <sys/signal.h>
+  #include <pthread.h>
+  #define IPC_MUTEX_LOCK pthread_mutex_t
+  #define IPC_CREATE_MUTEX(lock) pthread_mutex_init(&lock,0)
+  #define IPC_LOCK_MUTEX(lock) pthread_mutex_lock(&lock)
+  #define IPC_UNLOCK_MUTEX(lock) pthread_mutex_unlock(&lock)
+  #define IPC_SLEEP_SECONDS(seconds) sleep(seconds)
+#endif
+
+#ifdef __cplusplus
+} /* extern "C" */
+#endif
+
+#endif /* ndef IPC_H_INCLUDED */
+
+/*
+  Local Variables:
+  tab-width: 3
+  end:
+*/