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authorWaldemar Brodkorb <wbx@openadk.org>2015-02-14 23:04:02 -0600
committerWaldemar Brodkorb <wbx@openadk.org>2015-02-14 23:04:02 -0600
commite1e46622ac0fce73d802fa4a8a2e83cc25cd9e7a (patch)
tree2c8d14e4dcc733f4227f0984ed05da5826b13acd /libpthread/linuxthreads/libc-cancellation.c
parent6b6ede3d15f04fe825cfa9f697507457e3640344 (diff)
Revert "resolve merge"
This reverts commit 6b6ede3d15f04fe825cfa9f697507457e3640344.
Diffstat (limited to 'libpthread/linuxthreads/libc-cancellation.c')
-rw-r--r--libpthread/linuxthreads/libc-cancellation.c60
1 files changed, 60 insertions, 0 deletions
diff --git a/libpthread/linuxthreads/libc-cancellation.c b/libpthread/linuxthreads/libc-cancellation.c
new file mode 100644
index 000000000..e41e9c81a
--- /dev/null
+++ b/libpthread/linuxthreads/libc-cancellation.c
@@ -0,0 +1,60 @@
+/* Copyright (C) 2002 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@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
+ <http://www.gnu.org/licenses/>. */
+
+#include <errno.h>
+#include <rpc/rpc.h>
+#include "pthread.h"
+#include "internals.h"
+#include "spinlock.h"
+#include "restart.h"
+#include <bits/libc-lock.h>
+
+#if !defined NOT_IN_libc
+
+# ifndef SHARED
+weak_extern (__pthread_do_exit)
+# endif
+
+/* The next two functions are similar to pthread_setcanceltype() but
+ more specialized for the use in the cancelable functions like write().
+ They do not need to check parameters etc. */
+int
+attribute_hidden
+__libc_enable_asynccancel (void)
+{
+ pthread_descr self = thread_self();
+ int oldtype = LIBC_THREAD_GETMEM(self, p_canceltype);
+ LIBC_THREAD_SETMEM(self, p_canceltype, PTHREAD_CANCEL_ASYNCHRONOUS);
+ if (__builtin_expect (LIBC_THREAD_GETMEM(self, p_canceled), 0) &&
+ LIBC_THREAD_GETMEM(self, p_cancelstate) == PTHREAD_CANCEL_ENABLE)
+ __libc_maybe_call2 (pthread_do_exit,
+ (PTHREAD_CANCELED, CURRENT_STACK_FRAME), 0);
+ return oldtype;
+}
+strong_alias (__libc_enable_asynccancel, __librt_enable_asynccancel)
+
+void
+internal_function attribute_hidden
+__libc_disable_asynccancel (int oldtype)
+{
+ pthread_descr self = thread_self();
+ LIBC_THREAD_SETMEM(self, p_canceltype, oldtype);
+}
+strong_alias (__libc_disable_asynccancel, __librt_disable_asynccancel)
+
+#endif