See ChangeLog: Fri Jul 14 19:38:23 CEST 2000 Werner Koch

1 files changed, 34 insertions, 6 deletions

diff --git a/jnlib/dotlock.c b/jnlib/dotlock.c
index 8e61f7a03..29ab65dff 100644
--- a/jnlib/dotlock.c
+++ b/jnlib/dotlock.c
@@ -1,5 +1,5 @@
 /* dotlock.c - dotfile locking
- *	Copyright (C) 1998,2000 Free Software Foundation, Inc.
+ *	Copyright (C) 1998, 2000 Free Software Foundation, Inc.
  *
  * This file is part of GnuPG.
  *
@@ -42,14 +42,22 @@ struct dotlock_handle {
     char *tname;    /* name of lockfile template */
     char *lockname; /* name of the real lockfile */
     int locked;     /* lock status */
+    int disable;    /* locking */
 };
 
 
 static DOTLOCK all_lockfiles;
+static int never_lock;
 
 static int read_lockfile( const char *name );
 static void remove_lockfiles(void);
 
+void
+disable_dotlock(void)
+{
+    never_lock = 1;
+}
+
 /****************
  * Create a lockfile with the given name and return an object of
  * type DOTLOCK which may be used later to actually do the lock.
@@ -88,6 +96,16 @@ create_dotlock( const char *file_to_lock )
 	return NULL;
 
     h = jnlib_xcalloc( 1, sizeof *h );
+    if( never_lock ) {
+	h->disable = 1;
+      #ifdef _REENTRANT
+	/* fixme: aquire mutex on all_lockfiles */
+      #endif
+	h->next = all_lockfiles;
+	all_lockfiles = h;
+	return h;
+    }
+
 #ifndef HAVE_DOSISH_SYSTEM
     sprintf( pidstr, "%10d\n", (int)getpid() );
     /* fixme: add the hostname to the second line (FQDN or IP addr?) */
@@ -191,6 +209,10 @@ make_dotlock( DOTLOCK h, long timeout )
     const char *maybe_dead="";
     int backoff=0;
 
+    if( h->disable ) {
+	return 0;
+    }
+
     if( h->locked ) {
 	log_debug("oops, `%s' is already locked\n", h->lockname );
 	return 0;
@@ -259,6 +281,10 @@ release_dotlock( DOTLOCK h )
 #else
     int pid;
 
+    if( h->disable ) {
+	return 0;
+    }
+
     if( !h->locked ) {
 	log_debug("oops, `%s' is not locked\n", h->lockname );
 	return 0;
@@ -333,11 +359,13 @@ remove_lockfiles()
 
     while( h ) {
 	h2 = h->next;
-	if( h->locked )
-	    unlink( h->lockname );
-	unlink(h->tname);
-	jnlib_free(h->tname);
-	jnlib_free(h->lockname);
+	if( !h->disable ) {
+	    if( h->locked )
+		unlink( h->lockname );
+	    unlink(h->tname);
+	    jnlib_free(h->tname);
+	    jnlib_free(h->lockname);
+	}
 	jnlib_free(h);
 	h = h2;
     }