security-and-privacy/gnupg
security-and-privacy/gnupg
1
0
Fork 0
mirror of git://git.gnupg.org/gnupg.git synced 2024-09-22 15:11:41 +02:00
Code Activity

* iobuf.c (pop_filter): Make static.

Browse Source 
* dotlock.c (destroy_dotlock): New.  Remove the handle from the list of
locks. (release_dotlock): Don't act if we don't have any locks at all.
From Werner on stable branch.
This commit is contained in:
David Shaw 2004-09-30 14:26:36 +00:00
parent ec0cc1f135
commit d0a1816d7f
3 changed files with 59 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
util/ChangeLog
View File

@ -1,3 +1,12 @@
2004-09-30 David Shaw <dshaw@jabberwocky.com>
* iobuf.c (pop_filter): Make static.
* dotlock.c (destroy_dotlock): New. Remove the handle from the
list of locks.
(release_dotlock): Don't act if we don't have any locks at all.
From Werner on stable branch.
2004-09-10 David Shaw <dshaw@jabberwocky.com>
* http.c (make_radix64_string, do_parse_uri, send_request): Add

60
util/dotlock.c
View File

@ -1,5 +1,5 @@
/* dotlock.c - dotfile locking
* Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
* Copyright (C) 1998, 1999, 2000, 2001, 2004 Free Software Foundation, Inc.
*
* This file is part of GnuPG.
*
@ -197,6 +197,45 @@ create_dotlock( const char *file_to_lock )
return h;
}
void
destroy_dotlock ( DOTLOCK h )
{
#if !defined (HAVE_DOSISH_SYSTEM)
if ( h )
{
DOTLOCK hprev, htmp;
/* First remove the handle from our global list of all locks. */
for (hprev=NULL, htmp=all_lockfiles; htmp; hprev=htmp, htmp=htmp->next)
if (htmp == h)
{
if (hprev)
hprev->next = htmp->next;
else
all_lockfiles = htmp->next;
h->next = NULL;
break;
}
/* Second destroy the lock. */
if (!h->disable)
{
if (h->locked && h->lockname)
unlink (h->lockname);
if (h->tname)
unlink (h->tname);
m_free (h->tname);
m_free (h->lockname);
}
m_free(h);
}
#endif
}
static int
maybe_deadlock( DOTLOCK h )
{
@ -317,9 +356,15 @@ release_dotlock( DOTLOCK h )
#else
int pid;
if( h->disable ) {
/* To avoid atexit race conditions we first check whether there
are any locks left. It might happen that another atexit
handler tries to release the lock while the atexit handler of
this module already ran and thus H is undefined. */
if(!all_lockfiles)
return 0;
if( h->disable )
return 0;
}
if( !h->locked ) {
log_debug("oops, `%s' is not locked\n", h->lockname );
@ -407,14 +452,7 @@ remove_lockfiles()
while( h ) {
h2 = h->next;
if( !h->disable ) {
if( h->locked )
unlink( h->lockname );
unlink(h->tname);
m_free(h->tname);
m_free(h->lockname);
}
m_free(h);
destroy_dotlock (h);
h = h2;
}
#endif

2
util/iobuf.c
View File

@ -1354,7 +1354,7 @@ iobuf_push_filter2( IOBUF a,
/****************
* Remove an i/o filter.
*/
int
static int
pop_filter( IOBUF a, int (*f)(void *opaque, int control,
IOBUF chain, byte *buf, size_t *len), void *ov )
{