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* [glibc/fw/x86-shstk-backtrace] nptl: Wire up __nptl_arch_thread_init
@ 2024-05-31 20:49 Florian Weimer
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From: Florian Weimer @ 2024-05-31 20:49 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=f5bfd0e47c842f47979751297d3b83f34be8476c
commit f5bfd0e47c842f47979751297d3b83f34be8476c
Author: Florian Weimer <fweimer@redhat.com>
Date: Thu May 30 15:42:46 2024 +0200
nptl: Wire up __nptl_arch_thread_init
Diff:
---
nptl/pthread_create.c | 3 +++
sysdeps/nptl/nptl_arch_thread_init.h | 24 ++++++++++++++++++++++++
2 files changed, 27 insertions(+)
diff --git a/nptl/pthread_create.c b/nptl/pthread_create.c
index 1d3665d5ed..c53b18e76f 100644
--- a/nptl/pthread_create.c
+++ b/nptl/pthread_create.c
@@ -38,6 +38,7 @@
#include <version.h>
#include <clone_internal.h>
#include <futex-internal.h>
+#include <nptl_arch_thread_init.h>
#include <shlib-compat.h>
@@ -363,6 +364,8 @@ start_thread (void *arg)
goto out;
}
+ __nptl_arch_thread_init ();
+
/* Initialize resolver state pointer. */
__resp = &pd->res;
diff --git a/sysdeps/nptl/nptl_arch_thread_init.h b/sysdeps/nptl/nptl_arch_thread_init.h
new file mode 100644
index 0000000000..2fa8ee5264
--- /dev/null
+++ b/sysdeps/nptl/nptl_arch_thread_init.h
@@ -0,0 +1,24 @@
+/* Architecture-specific thread initialization for NPTL. Generic version.
+ Copyright (C) 2024 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
+ <https://www.gnu.org/licenses/>. */
+
+/* This is called on the new thread very early, when signals are still
+ disabled. The generic version does nothing. */
+static inline void
+__nptl_arch_thread_init (void)
+{
+}
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