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26b7e79246
This adds a patch from upstream ceph to avoid using the deprecated sys_siglist if sigdescr_np is available.
64 lines
2.2 KiB
Diff
64 lines
2.2 KiB
Diff
From b9b6faf66ae67648626470cb4fc3f0850ac4d842 Mon Sep 17 00:00:00 2001
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From: David Disseldorp <ddiss@suse.de>
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Date: Tue, 1 Sep 2020 13:49:21 +0200
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Subject: [PATCH] cmake: detect and use sigdescr_np() if available
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sys_siglist is deprecated with glibc 2.32. A new thread-safe and
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async-signal safe sigdescr_np() function is provided, so use it if
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available.
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Fixes: https://tracker.ceph.com/issues/47187
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Signed-off-by: David Disseldorp <ddiss@suse.de>
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---
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cmake/modules/CephChecks.cmake | 1 +
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src/global/signal_handler.h | 8 +++++---
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src/include/config-h.in.cmake | 3 +++
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3 files changed, 9 insertions(+), 3 deletions(-)
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diff --git a/cmake/modules/CephChecks.cmake b/cmake/modules/CephChecks.cmake
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index 23687283a7c6..ca86dcbc73de 100644
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--- a/cmake/modules/CephChecks.cmake
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+++ b/cmake/modules/CephChecks.cmake
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@@ -24,6 +24,7 @@ check_function_exists(strerror_r HAVE_Strerror_R)
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check_function_exists(name_to_handle_at HAVE_NAME_TO_HANDLE_AT)
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check_function_exists(pipe2 HAVE_PIPE2)
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check_function_exists(accept4 HAVE_ACCEPT4)
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+check_function_exists(sigdescr_np HAVE_SIGDESCR_NP)
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include(CMakePushCheckState)
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cmake_push_check_state(RESET)
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diff --git a/src/global/signal_handler.h b/src/global/signal_handler.h
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index 476724201aa9..c101b2e28733 100644
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--- a/src/global/signal_handler.h
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+++ b/src/global/signal_handler.h
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@@ -20,10 +20,12 @@
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typedef void (*signal_handler_t)(int);
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-#ifndef HAVE_REENTRANT_STRSIGNAL
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-# define sig_str(signum) sys_siglist[signum]
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-#else
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+#ifdef HAVE_SIGDESCR_NP
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+# define sig_str(signum) sigdescr_np(signum)
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+#elif HAVE_REENTRANT_STRSIGNAL
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# define sig_str(signum) strsignal(signum)
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+#else
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+# define sig_str(signum) sys_siglist[signum]
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#endif
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void install_sighandler(int signum, signal_handler_t handler, int flags);
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diff --git a/src/include/config-h.in.cmake b/src/include/config-h.in.cmake
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index 1ea3703f620c..59bd4273511a 100644
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--- a/src/include/config-h.in.cmake
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+++ b/src/include/config-h.in.cmake
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@@ -220,6 +220,9 @@
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/* Define to 1 if you have sched.h. */
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#cmakedefine HAVE_SCHED 1
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+/* Define to 1 if you have sigdescr_np. */
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+#cmakedefine HAVE_SIGDESCR_NP 1
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+
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/* Support SSE (Streaming SIMD Extensions) instructions */
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#cmakedefine HAVE_SSE
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