1 /* lock.c - routines to open and apply an advisory lock to a file */
4 * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
12 #include <ac/string.h>
13 #include <ac/socket.h>
15 #include <ac/unistd.h>
17 #ifdef HAVE_SYS_FILE_H
20 #ifdef HAVE_SYS_PARAM_H
21 #include <sys/param.h>
26 lock_fopen( const char *fname, const char *type, FILE **lfp )
31 /* open the lock file */
33 strcat( buf, ".lock" );
34 if ( (*lfp = fopen( buf, "w" )) == NULL ) {
35 Debug( LDAP_DEBUG_ANY, "could not open \"%s\"\n", buf, 0, 0 );
39 /* acquire the lock */
40 ldap_lockf( fileno(*lfp) );
42 /* open the log file */
43 if ( (fp = fopen( fname, type )) == NULL ) {
44 Debug( LDAP_DEBUG_ANY, "could not open \"%s\"\n", fname, 0, 0 );
45 ldap_unlockf( fileno(*lfp) );
55 lock_fclose( FILE *fp, FILE *lfp )
58 ldap_unlockf( fileno(lfp) );
61 return( fclose( fp ) );