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* [binutils-gdb] Tighten gdb.threads/no-unwaited-for-left.exp regexps
@ 2022-07-13 21:31 Pedro Alves
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From: Pedro Alves @ 2022-07-13 21:31 UTC (permalink / raw)
To: gdb-cvs
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=9779607aff84cad92d8800290dce4eb17c17ce12
commit 9779607aff84cad92d8800290dce4eb17c17ce12
Author: Pedro Alves <pedro@palves.net>
Date: Wed Jun 15 15:30:23 2022 +0100
Tighten gdb.threads/no-unwaited-for-left.exp regexps
A WIP version of a patch
(https://sourceware.org/pipermail/gdb-patches/2022-June/190202.html)
resulted in a bug that went unnoticed by the testuite, like so:
(gdb) PASS: gdb.threads/no-unwaited-for-left.exp: enable scheduler-locking, for main thread
continue
Continuing.
[New Thread 1251861.1251861]
No unwaited-for children left.
(gdb) PASS: gdb.threads/no-unwaited-for-left.exp: continue stops when the main thread exits
info threads
Id Target Id Frame
3 Thread 1251861.1251863 "no-unwaited-for" __pthread_clockjoin_ex (threadid=140737351558976, thread_return=0x0, clockid=<optimized out>, abstime=<optimized out>, block=<optimized out>) at pthread_join_common.c:145
4 Thread 1251861.1251861 "no-unwaited-for" <unavailable> in ?? ()
The current thread <Thread ID 1> has terminated. See `help thread'.
(gdb) PASS: gdb.threads/no-unwaited-for-left.exp: only thread 3 left, main thread terminated
Somehow, above, GDB re-added the zombie leader back before printing
"No unwaited-for children left.". The "only thread 3 left, main
thread terminated" test should have caught this, but didn't. That is
because the test's regexp has a ".*" after the part that matches
thread 3. This commit tightens that regexp to catch such a bug. It
also tightens the "only main thread left, thread 2 terminated" test's
regexp in the same way.
Change-Id: I8744f327a0aa0e2669d1ddda88247e99b91cefff
Diff:
---
gdb/testsuite/gdb.threads/no-unwaited-for-left.exp | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/gdb/testsuite/gdb.threads/no-unwaited-for-left.exp b/gdb/testsuite/gdb.threads/no-unwaited-for-left.exp
index cfeb495594d..6773aa46d71 100644
--- a/gdb/testsuite/gdb.threads/no-unwaited-for-left.exp
+++ b/gdb/testsuite/gdb.threads/no-unwaited-for-left.exp
@@ -42,7 +42,7 @@ gdb_test "continue" \
"continue stops when thread 2 exits"
gdb_test "info threads" \
- "\r\n\[ \t\]*Id\[ \t\]+Target\[ \t\]+Id\[ \t\]+Frame\[ \t\]*\r\n *1 *Thread \[^\r\n\]* \[^\r\n\]*.*The current thread <Thread ID 2> has terminated.*" \
+ "\r\n\[ \t\]*Id\[ \t\]+Target\[ \t\]+Id\[ \t\]+Frame\[ \t\]*\r\n *1 *Thread \[^\r\n\]* \[^\r\n\]*\[\r\n\]*The current thread <Thread ID 2> has terminated.*" \
"only main thread left, thread 2 terminated"
# Select the main thread, let the third thread start, and stop at the
@@ -63,7 +63,7 @@ gdb_test "continue" \
"continue stops when the main thread exits"
gdb_test "info threads" \
- "\r\n\[ \t\]*Id\[ \t\]+Target\[ \t\]+Id\[ \t\]+Frame\[ \t\]*\r\n *3 *Thread \[^\r\n\]* \[^\r\n\]*.*The current thread <Thread ID 1> has terminated.*" \
+ "\r\n\[ \t\]*Id\[ \t\]+Target\[ \t\]+Id\[ \t\]+Frame\[ \t\]*\r\n *3 *Thread \[^\r\n\]* \[^\r\n\]*\[\r\n\]*The current thread <Thread ID 1> has terminated.*" \
"only thread 3 left, main thread terminated"
# Make sure thread apply all works when we have exited threads in the
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