/*
- * Copyright (C) 1994-1997, Index Data I/S
+ * Copyright (C) 1994-1999, Index Data
* All rights reserved.
* Sebastian Hammer, Adam Dickmeiss
*
* $Log: lockutil.c,v $
- * Revision 1.9 1997-09-25 14:54:43 adam
+ * Revision 1.12 1999-05-26 07:49:13 adam
+ * C++ compilation.
+ *
+ * Revision 1.11 1999/02/02 14:50:59 adam
+ * Updated WIN32 code specific sections. Changed header.
+ *
+ * Revision 1.10 1997/09/29 09:08:36 adam
+ * Revised locking system to be thread safe for the server.
+ *
+ * Revision 1.9 1997/09/25 14:54:43 adam
* WIN32 files lock support.
*
* Revision 1.8 1997/09/17 12:19:15 adam
#include <errno.h>
#include <fcntl.h>
#include <sys/types.h>
-#ifdef WINDOWS
+#ifdef WIN32
#include <io.h>
#include <sys/locking.h>
#else
#include "index.h"
-static char *lockDir = NULL;
-
struct zebra_lock_info {
int fd;
int excl_flag;
ZebraLockHandle zebra_lock_create (const char *name, int excl_flag)
{
- ZebraLockHandle h = xmalloc (sizeof(*h));
+ ZebraLockHandle h = (ZebraLockHandle) xmalloc (sizeof(*h));
h->excl_flag = excl_flag;
h->fd = -1;
-#ifdef WINDOWS
+#ifdef WIN32
if (!h->excl_flag)
h->fd = open (name, O_BINARY|O_RDONLY);
if (h->fd == -1)
xfree (h);
}
-void zebraLockPrefix (Res res, char *pathPrefix)
+void zebra_lock_prefix (Res res, char *path)
{
- if (!lockDir)
- lockDir = res_get_def (res, "lockDir", "");
- assert (lockDir);
-
- strcpy (pathPrefix, lockDir);
- if (*pathPrefix && pathPrefix[strlen(pathPrefix)-1] != '/')
- strcat (pathPrefix, "/");
-}
+ char *lock_dir = res_get_def (res, "lockDir", "");
-#ifdef WINDOWS
+ strcpy (path, lock_dir);
+ if (*path && path[strlen(path)-1] != '/')
+ strcat (path, "/");
+}
-#else
+#ifndef WIN32
static int unixLock (int fd, int type, int cmd)
{
struct flock area;
int zebra_lock (ZebraLockHandle h)
{
-#ifdef WINDOWS
+#ifdef WIN32
return _locking (h->fd, _LK_LOCK, 1);
#else
return unixLock (h->fd, h->excl_flag ? F_WRLCK : F_RDLCK, F_SETLKW);
int zebra_lock_nb (ZebraLockHandle h)
{
-#ifdef WINDOWS
+#ifdef WIN32
return _locking (h->fd, _LK_NBLCK, 1);
#else
return unixLock (h->fd, h->excl_flag ? F_WRLCK : F_RDLCK, F_SETLK);
int zebra_unlock (ZebraLockHandle h)
{
-#ifdef WINDOWS
+#ifdef WIN32
return _locking (h->fd, _LK_UNLCK, 1);
#else
return unixLock (h->fd, F_UNLCK, F_SETLKW);