about summary refs log tree commit diff
path: root/nptl/pt-cleanup.c
diff options
context:
space:
mode:
authorFlorian Weimer <fweimer@redhat.com>2021-04-21 19:49:50 +0200
committerFlorian Weimer <fweimer@redhat.com>2021-04-21 19:49:50 +0200
commit4647ce82c733d1453611e35236b786ecd7faf598 (patch)
tree32c72ddfeca5dda088deccec73729f20bfe93b69 /nptl/pt-cleanup.c
parent5a3140b48978f0f690a5fee2f4a53705c02aabac (diff)
downloadglibc-4647ce82c733d1453611e35236b786ecd7faf598.tar.gz
glibc-4647ce82c733d1453611e35236b786ecd7faf598.tar.xz
glibc-4647ce82c733d1453611e35236b786ecd7faf598.zip
nptl: Move __pthread_cleanup_upto into libc
This internal symbol is used as part of the longjmp implementation.
Rename the file from nptl/pt-cleanup.c to nptl/pthread_cleanup_upto.c
so that the pt-* files remain restricted to libpthread.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
Diffstat (limited to 'nptl/pt-cleanup.c')
-rw-r--r--nptl/pt-cleanup.c62
1 files changed, 0 insertions, 62 deletions
diff --git a/nptl/pt-cleanup.c b/nptl/pt-cleanup.c
deleted file mode 100644
index 541533230d..0000000000
--- a/nptl/pt-cleanup.c
+++ /dev/null
@@ -1,62 +0,0 @@
-/* Copyright (C) 2002-2021 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
-
-   The GNU C Library is free software; you can redistribute it and/or
-   modify it under the terms of the GNU Lesser General Public
-   License as published by the Free Software Foundation; either
-   version 2.1 of the License, or (at your option) any later version.
-
-   The GNU C Library is distributed in the hope that it will be useful,
-   but WITHOUT ANY WARRANTY; without even the implied warranty of
-   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-   Lesser General Public License for more details.
-
-   You should have received a copy of the GNU Lesser General Public
-   License along with the GNU C Library; if not, see
-   <https://www.gnu.org/licenses/>.  */
-
-#include <setjmp.h>
-#include <stdlib.h>
-#include "pthreadP.h"
-#include <jmpbuf-unwind.h>
-
-void
-__pthread_cleanup_upto (__jmp_buf target, char *targetframe)
-{
-  struct pthread *self = THREAD_SELF;
-  struct _pthread_cleanup_buffer *cbuf;
-
-  /* Adjust all pointers used in comparisons, so that top of thread's
-     stack is at the top of address space.  Without that, things break
-     if stack is allocated above the main stack.  */
-  uintptr_t adj = (uintptr_t) self->stackblock + self->stackblock_size;
-  uintptr_t targetframe_adj = (uintptr_t) targetframe - adj;
-
-  for (cbuf = THREAD_GETMEM (self, cleanup);
-       cbuf != NULL && _JMPBUF_UNWINDS_ADJ (target, cbuf, adj);
-       cbuf = cbuf->__prev)
-    {
-#if _STACK_GROWS_DOWN
-      if ((uintptr_t) cbuf - adj <= targetframe_adj)
-        {
-          cbuf = NULL;
-          break;
-        }
-#elif _STACK_GROWS_UP
-      if ((uintptr_t) cbuf - adj >= targetframe_adj)
-        {
-          cbuf = NULL;
-          break;
-        }
-#else
-# error "Define either _STACK_GROWS_DOWN or _STACK_GROWS_UP"
-#endif
-
-      /* Call the cleanup code.  */
-      cbuf->__routine (cbuf->__arg);
-    }
-
-  THREAD_SETMEM (self, cleanup, cbuf);
-}
-hidden_def (__pthread_cleanup_upto)