lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-07-30 22:43:12 +03:00
Code Activity

2.5-18.1

Browse Source
This commit is contained in:
Jakub Jelinek
2007-07-12 18:26:36 +00:00
parent 7d58530341
commit 0ecb606cb6
6215 changed files with 494638 additions and 305010 deletions
Download Patch File Download Diff File Expand all files Collapse all files

20
sysdeps/mach/hurd/jmp-unwind.c
View File

@ -1,5 +1,5 @@
/* _longjmp_unwind -- Clean up stack frames unwound by longjmp. Hurd version.
Copyright (C) 1995, 1996 Free Software Foundation, Inc.
Copyright (C) 1995,1996,2005,2006 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -17,17 +17,27 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <setjmp.h>
#include <jmpbuf-unwind.h>
#include <hurd/userlink.h>
#include <hurd/signal.h>
#include <hurd/sigpreempt.h>
#include <assert.h>
#include <stdint.h>
#ifndef _JMPBUF_UNWINDS
#error "<bits/setjmp.h> fails to define _JMPBUF_UNWINDS"
#error "<jmpbuf-unwind.h> fails to define _JMPBUF_UNWINDS"
#endif
static inline uintptr_t
demangle_ptr (uintptr_t x)
{
# ifdef PTR_DEMANGLE
PTR_DEMANGLE (x);
# endif
return x;
}
/* This function is called by `longjmp' (with its arguments) to restore
active resources to a sane state before the frames code using them are
jumped out of. */
@ -46,7 +56,7 @@ _longjmp_unwind (jmp_buf env, int val)
/* Remove local signal preemptors being unwound past. */
while (ss->preemptors &&
_JMPBUF_UNWINDS (env[0].__jmpbuf, ss->preemptors))
_JMPBUF_UNWINDS (env[0].__jmpbuf, ss->preemptors, demangle_ptr))
ss->preemptors = ss->preemptors->next;
__spin_unlock (&ss->lock);
@ -56,7 +66,7 @@ _longjmp_unwind (jmp_buf env, int val)
in stack frames being unwound by this jump. */
for (link = ss->active_resources;
link && _JMPBUF_UNWINDS (env[0].__jmpbuf, link);
link && _JMPBUF_UNWINDS (env[0].__jmpbuf, link, demangle_ptr);
link = link->thread.next)
/* Remove this link from the resource's users list,
since the frame using the resource is being unwound.