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* [newlib-cygwin] Cygwin: cygthread: set thread name before calling thread func
@ 2019-01-23 20:46 Corinna Vinschen
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From: Corinna Vinschen @ 2019-01-23 20:46 UTC (permalink / raw)
To: cygwin-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=b79b0c2bae128c4a48ba4f0c890b3424ddc6c4cd
commit b79b0c2bae128c4a48ba4f0c890b3424ddc6c4cd
Author: Corinna Vinschen <corinna@vinschen.de>
Date: Wed Jan 23 21:39:19 2019 +0100
Cygwin: cygthread: set thread name before calling thread func
When reusing a cygthread, the stub method fails to set the thread name
to the new name. The name is only set when actually creating the
thread. Fix that by moving the SetThreadName call right in front of the
thread function call.
Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
Diff:
---
winsup/cygwin/cygthread.cc | 4 ++--
winsup/cygwin/release/2.12.0 | 2 ++
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/winsup/cygwin/cygthread.cc b/winsup/cygwin/cygthread.cc
index 4404e4a..66a3179 100644
--- a/winsup/cygwin/cygthread.cc
+++ b/winsup/cygwin/cygthread.cc
@@ -87,6 +87,7 @@ cygthread::stub (VOID *arg)
#endif
else
{
+ SetThreadName (info->id, info->__name);
info->callfunc (false);
HANDLE notify = info->notify_detached;
@@ -128,6 +129,7 @@ cygthread::simplestub (VOID *arg)
_my_tls._ctinfo = info;
info->stack_ptr = &arg;
HANDLE notify = info->notify_detached;
+ SetThreadName (info->id, info->__name);
info->callfunc (true);
if (notify)
SetEvent (notify);
@@ -213,8 +215,6 @@ cygthread::create ()
this, 0, &id);
if (!htobe)
api_fatal ("CreateThread failed for %s - %p<%y>, %E", __name, h, id);
- else
- SetThreadName (GetThreadId (htobe), __name);
thread_printf ("created name '%s', thread %p, id %y", __name, h, id);
#ifdef DEBUGGING
terminated = false;
diff --git a/winsup/cygwin/release/2.12.0 b/winsup/cygwin/release/2.12.0
index af74b09..c847b91 100644
--- a/winsup/cygwin/release/2.12.0
+++ b/winsup/cygwin/release/2.12.0
@@ -77,3 +77,5 @@ Bug Fixes
- Fix WEOF handling in wctype functions.
Addresses: https://cygwin.com/ml/cygwin/2018-12/msg00173.html
+
+- Fix thread names in GDB when cygthreads get reused.
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