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f1f0ed869a
gdb 10.1 adds many new features for example gdbserver support for - ARC GNU/Linux - RISC-V GNU/Linux Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
39 lines
1.2 KiB
Diff
39 lines
1.2 KiB
Diff
From 56893a61aa4f0270fa8d1197b9848247f90fce0d Mon Sep 17 00:00:00 2001
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From: Yousong Zhou <yszhou4tech@gmail.com>
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Date: Fri, 24 Mar 2017 10:36:03 +0800
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Subject: [PATCH] Fix invalid sigprocmask call
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The POSIX document says
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The pthread_sigmask() and sigprocmask() functions shall fail if:
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[EINVAL]
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The value of the how argument is not equal to one of the defined values.
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and this is how musl-libc is currently doing. Fix the call to be safe
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and correct
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[1] http://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_sigmask.html
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gdb/ChangeLog:
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2017-03-24 Yousong Zhou <yszhou4tech@gmail.com>
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* common/signals-state-save-restore.c (save_original_signals_state):
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Fix invalid sigprocmask call.
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---
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gdb/ChangeLog | 5 +++++
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gdb/common/signals-state-save-restore.c | 2 +-
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2 files changed, 6 insertions(+), 1 deletion(-)
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--- a/gdbsupport/signals-state-save-restore.cc
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+++ b/gdbsupport/signals-state-save-restore.cc
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@@ -38,7 +38,7 @@ save_original_signals_state (bool quiet)
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int i;
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int res;
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- res = gdb_sigmask (0, NULL, &original_signal_mask);
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+ res = gdb_sigmask (SIG_BLOCK, NULL, &original_signal_mask);
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if (res == -1)
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perror_with_name (("sigprocmask"));
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