glibc/0008-add-pause_nocancel_2_17.patch
Yang Yanchao 8615244aa3 Refactor the libpthread-2.17.so code and pass all test cases.
delete libpthread-2.17.so from glibc-devel
2021-11-24 18:19:16 +08:00

57 lines
1.9 KiB
Diff

From 329ea513b451ae8322aa7a24ed84da13992af2dd Mon Sep 17 00:00:00 2001
From: Zack Weinberg <zackw@panix.com>
Date: Tue, 3 Apr 2018 18:26:44 -0400
Subject: [PATCH 8/9] build extra lipthreadcond so
since bb4a3143724ef3f044a4f05351fe041300ee382, Remove pause and nanosleep not cancel wrappers
To build libtphread-2.17.so, we added it back.
---
nptl_2_17/pause_nocancel_2_17.c | 34 +++++++++++++++++++++++++++++++++
1 file changed, 34 insertions(+)
create mode 100644 nptl_2_17/pause_nocancel_2_17.c
diff --git a/nptl_2_17/pause_nocancel_2_17.c b/nptl_2_17/pause_nocancel_2_17.c
new file mode 100644
index 00000000..ab8e78d2
--- /dev/null
+++ b/nptl_2_17/pause_nocancel_2_17.c
@@ -0,0 +1,34 @@
+/* Linux pause syscall implementation -- non-cancellable.
+ Copyright (C) 2018 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
+ 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 <compat_pthread_2_17.h>
+#include <signal.h>
+#include <unistd.h>
+#include <sysdep-cancel.h>
+#include <not-cancel.h>
+
+int
+__pause_nocancel (void)
+{
+#ifdef __NR_pause
+ return INLINE_SYSCALL_CALL (pause);
+#else
+ return INLINE_SYSCALL_CALL (ppoll, NULL, 0, NULL, NULL);
+#endif
+}
+hidden_def (__pause_nocancel)
--
2.30.0