X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Flock.c;h=1a8fc52a5786a9b9f092cc258867c4588d276d95;hb=5631f25839a4a83521993639a96909267ea7bce6;hp=aee7c31cfb3597073bb18e396c113f700b1b09e2;hpb=2a869f5a99f537b246ba8640502e2a86117cb6e8;p=openldap
diff --git a/servers/slapd/lock.c b/servers/slapd/lock.c
index aee7c31cfb..1a8fc52a57 100644
--- a/servers/slapd/lock.c
+++ b/servers/slapd/lock.c
@@ -1,48 +1,70 @@
/* lock.c - routines to open and apply an advisory lock to a file */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software .
+ *
+ * Copyright 1998-2005 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * .
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of Michigan at Ann Arbor. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
+ */
#include "portable.h"
#include
+#include
#include
#include
#include
+#ifdef HAVE_SYS_FILE_H
#include
-#include
+#endif
+
#include "slap.h"
+#include
FILE *
-lock_fopen( char *fname, char *type, FILE **lfp )
+lock_fopen( const char *fname, const char *type, FILE **lfp )
{
FILE *fp;
char buf[MAXPATHLEN];
/* open the lock file */
- strcpy( buf, fname );
- strcat( buf, ".lock" );
+ snprintf( buf, sizeof buf, "%s.lock", fname );
+
if ( (*lfp = fopen( buf, "w" )) == NULL ) {
Debug( LDAP_DEBUG_ANY, "could not open \"%s\"\n", buf, 0, 0 );
+
return( NULL );
}
/* acquire the lock */
-#ifdef HAVE_FLOCK
- while ( flock( fileno( *lfp ), LOCK_EX ) != 0 ) {
-#else
- while ( lockf( fileno( *lfp ), F_LOCK, 0 ) != 0 ) {
-#endif
- ; /* NULL */
- }
+ ldap_lockf( fileno(*lfp) );
/* open the log file */
if ( (fp = fopen( fname, type )) == NULL ) {
Debug( LDAP_DEBUG_ANY, "could not open \"%s\"\n", fname, 0, 0 );
-#ifdef HAVE_FLOCK
- flock( fileno( *lfp ), LOCK_UN );
-#else
- lockf( fileno( *lfp ), F_ULOCK, 0 );
-#endif
+
+ ldap_unlockf( fileno(*lfp) );
+ fclose( *lfp );
+ *lfp = NULL;
return( NULL );
}
@@ -52,13 +74,10 @@ lock_fopen( char *fname, char *type, FILE **lfp )
int
lock_fclose( FILE *fp, FILE *lfp )
{
+ int rc = fclose( fp );
/* unlock */
-#ifdef USE_LOCKF
- lockf( fileno( lfp ), F_ULOCK, 0 );
-#else
- flock( fileno( lfp ), LOCK_UN );
-#endif
+ ldap_unlockf( fileno(lfp) );
fclose( lfp );
- return( fclose( fp ) );
+ return( rc );
}