blob: bce025c391d6c30f345985ecaad646219bc5be61 [file] [log] [blame]
Brad Bishop1a4b7ee2018-12-16 17:11:34 -08001From b1985595e46721bb168ac38f4c841a915cc2f799 Mon Sep 17 00:00:00 2001
2From: Yousong Zhou <yszhou4tech@gmail.com>
3Date: Fri, 24 Mar 2017 10:36:03 +0800
4Subject: [PATCH 11/11] Fix invalid sigprocmask call
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8
9The POSIX document says
10
11 The pthread_sigmask() and sigprocmask() functions shall fail if:
12
13 [EINVAL]
14 The value of the how argument is not equal to one of the defined values.
15
16and this is how musl-libc is currently doing. Fix the call to be safe
17and correct
18
19 [1] http://pubs.opengroup.org/onlinepubs/9699919799/functions/pthread_sigmask.html
20
21gdb/ChangeLog:
222017-03-24 Yousong Zhou <yszhou4tech@gmail.com>
23
24 * common/signals-state-save-restore.c (save_original_signals_state):
25 Fix invalid sigprocmask call.
26
27Upstream-Status: Pending [not author, cherry-picked from LEDE https://bugs.lede-project.org/index.php?do=details&task_id=637&openedfrom=-1%2Bweek]
28Signed-off-by: André Draszik <adraszik@tycoint.com>
29Signed-off-by: Khem Raj <raj.khem@gmail.com>
30---
31 gdb/common/signals-state-save-restore.c | 2 +-
32 1 file changed, 1 insertion(+), 1 deletion(-)
33
34diff --git a/gdb/common/signals-state-save-restore.c b/gdb/common/signals-state-save-restore.c
35index 5bb66321bb..6597decbc6 100644
36--- a/gdb/common/signals-state-save-restore.c
37+++ b/gdb/common/signals-state-save-restore.c
38@@ -41,7 +41,7 @@ save_original_signals_state (bool quiet)
39 int i;
40 int res;
41
42- res = sigprocmask (0, NULL, &original_signal_mask);
43+ res = sigprocmask (SIG_BLOCK, NULL, &original_signal_mask);
44 if (res == -1)
45 perror_with_name (("sigprocmask"));
46
47--
482.18.0
49