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* [binutils-gdb] [gdb/testsuite] Add tsan-suppressions.txt
@ 2022-07-12 11:45 Tom de Vries
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From: Tom de Vries @ 2022-07-12 11:45 UTC (permalink / raw)
To: gdb-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=09559238fdcca6ffa2ddfdd6a89ac919a9ccb80d
commit 09559238fdcca6ffa2ddfdd6a89ac919a9ccb80d
Author: Tom de Vries <tdevries@suse.de>
Date: Tue Jul 12 13:45:30 2022 +0200
[gdb/testsuite] Add tsan-suppressions.txt
Add a new file tsan-suppressions.txt, to suppress the "unlock unlocked mutex"
problem in ncurses, filed in PR29328.
The file is added to the TSAN_OPTIONS in lib/gdb.exp.
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=29328
Diff:
---
gdb/testsuite/lib/gdb.exp | 26 ++++++++++++++++++++++++++
gdb/tsan-suppressions.txt | 18 ++++++++++++++++++
2 files changed, 44 insertions(+)
diff --git a/gdb/testsuite/lib/gdb.exp b/gdb/testsuite/lib/gdb.exp
index a29b8f947c4..698dd14504e 100644
--- a/gdb/testsuite/lib/gdb.exp
+++ b/gdb/testsuite/lib/gdb.exp
@@ -32,6 +32,32 @@ if {$tool == ""} {
# (which will affect any spawned sub-process) to avoid this.
append ::env(ASAN_OPTIONS) ",detect_leaks=0"
+# Add VAR_ID=VAL to ENV_VAR, unless ENV_VAR already contains a VAR_ID setting.
+
+proc set_sanitizer_default { env_var var_id val } {
+ global env
+
+ if { ![info exists env($env_var) ]
+ || $env($env_var) == "" } {
+ # Set var_id (env_var non-existing / empty case).
+ append env($env_var) $var_id=$val
+ return
+ }
+
+ if { [regexp $var_id= $env($env_var)] } {
+ # Don't set var_id. It's already set by the user, leave as is.
+ # Note that we could probably get the same result by unconditionally
+ # prepending it, but this way is less likely to cause confusion.
+ return
+ }
+
+ # Set var_id (env_var not empty case).
+ append env($env_var) : $var_id=$val
+}
+
+set_sanitizer_default TSAN_OPTIONS suppressions \
+ $srcdir/../tsan-suppressions.txt
+
# List of procs to run in gdb_finish.
set gdb_finish_hooks [list]
diff --git a/gdb/tsan-suppressions.txt b/gdb/tsan-suppressions.txt
new file mode 100644
index 00000000000..5f1e5dc7ea7
--- /dev/null
+++ b/gdb/tsan-suppressions.txt
@@ -0,0 +1,18 @@
+# Copyright (C) 2022 Free Software Foundation, Inc.
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program 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 General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+# Problem in ncurses, see:
+# - https://sourceware.org/bugzilla/show_bug.cgi?id=29328.
+# - https://lists.gnu.org/archive/html/bug-ncurses/2022-07/msg00002.html
+mutex:newterm
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