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675620f74c
2003-12-18 Ulrich Drepper <drepper@redhat.com> * tst-eintr1.c: Better error messages. * Makefile (tests): Add tst-eintr2. * tst-eintr2.c: New file. 2003-12-18 Jakub Jelinek <jakub@redhat.com> * Makefile (tests): Add tst-cancel21 and tst-cancelx21. (CFLAGS-tst-cancelx21.c): Set. * tst-cancel21.c: New test. * tst-cancelx21.c: New test. * unwind.c (FRAME_LEFT): Add adj argument. Subtract it from each comparison operand. (unwind_stop): Use _JMPBUF_CFA_UNWINDS_ADJ macro instead of _JMPBUF_CFA_UNWINDS. Adjust FRAME_LEFT invocations. * pt-longjmp.c: Include jmpbuf-unwind.h. (__pthread_cleanup_upto): Use _JMPBUF_UNWINDS_ADJ macro instead of _JMPBUF_UNWINDS. Adjust compared pointers. * init.c (__pthread_initialize_minimal_internal): Initialize pd->stackblock_size. * sysdeps/pthread/jmpbuf-unwind.h: Removed. * sysdeps/alpha/jmpbuf-unwind.h: New file. * sysdeps/i386/jmpbuf-unwind.h: New file. * sysdeps/powerpc/jmpbuf-unwind.h: New file. * sysdeps/s390/jmpbuf-unwind.h: New file. * sysdeps/sh/jmpbuf-unwind.h: New file. * sysdeps/sparc/sparc32/jmpbuf-unwind.h: New file. * sysdeps/x86_64/jmpbuf-unwind.h: New file. * sysdeps/ia64/jmpbuf-unwind.h: Include stdint.h. (_JMPBUF_CFA_UNWINDS): Remove. (_JMPBUF_CFA_UNWINDS_ADJ, _JMPBUF_UNWINDS_ADJ): Define. 2003-12-12 Jakub Jelinek <jakub@redhat.com> * Makefile (tests): Add tst-cancel20 and tst-cancelx20. (CFLAGS-tst-cancelx20.c): Set. * tst-cancel20.c: New test. * tst-cancelx20.c: New test.
72 lines
2.2 KiB
C
72 lines
2.2 KiB
C
/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <setjmp.h>
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#include <stdlib.h>
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#include "pthreadP.h"
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#include "jmpbuf-unwind.h"
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void
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__pthread_cleanup_upto (__jmp_buf target, char *targetframe)
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{
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struct pthread *self = THREAD_SELF;
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struct _pthread_cleanup_buffer *cbuf;
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/* Adjust all pointers used in comparisons, so that top of thread's
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stack is at the top of address space. Without that, things break
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if stack is allocated above the main stack. */
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uintptr_t adj = (uintptr_t) self->stackblock + self->stackblock_size;
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uintptr_t targetframe_adj = (uintptr_t) targetframe - adj;
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for (cbuf = THREAD_GETMEM (self, cleanup);
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cbuf != NULL && _JMPBUF_UNWINDS_ADJ (target, cbuf, adj);
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cbuf = cbuf->__prev)
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{
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#if _STACK_GROWS_DOWN
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if ((uintptr_t) cbuf - adj <= targetframe_adj)
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{
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cbuf = NULL;
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break;
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}
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#elif _STACK_GROWS_UP
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if ((uintptr_t) cbuf - adj >= targetframe_adj)
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{
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cbuf = NULL;
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break;
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}
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#else
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# error "Define either _STACK_GROWS_DOWN or _STACK_GROWS_UP"
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#endif
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/* Call the cleanup code. */
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cbuf->__routine (cbuf->__arg);
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}
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THREAD_SETMEM (self, cleanup, cbuf);
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}
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hidden_def (__pthread_cleanup_upto)
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void
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longjmp (jmp_buf env, int val)
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{
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__libc_longjmp (env, val);
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}
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weak_alias (longjmp, siglongjmp)
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