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authorJon Turney <jon.turney@dronecode.org.uk>2024-01-23 16:07:34 +0000
committerJon Turney <jon.turney@dronecode.org.uk>2024-01-25 14:32:00 +0000
commit1c13ca67b506df56c512d1a706eb6f45d9b4da38 (patch)
tree3a2f20d516133646669c12bc2a113ff28bb97ffa /winsup
parent4d9808d404c21c73ff4f96547d2d5b6174323881 (diff)
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Cygwin: Add a timeout to ensure we don't wait forever for dumper
Diffstat (limited to 'winsup')
-rw-r--r--winsup/cygwin/exceptions.cc8
1 files changed, 6 insertions, 2 deletions
diff --git a/winsup/cygwin/exceptions.cc b/winsup/cygwin/exceptions.cc
index 0e1a804..a2a6f9d 100644
--- a/winsup/cygwin/exceptions.cc
+++ b/winsup/cygwin/exceptions.cc
@@ -540,6 +540,9 @@ int exec_prepared_command (PWCHAR command)
}
FreeEnvironmentStringsW (rawenv);
+ /* timeout from waiting for debugger to attach after 10 seconds */
+ ULONGLONG timeout = GetTickCount64() + 10*1000;
+
console_printf ("*** starting '%W' for pid %u, tid %u\r\n",
command,
cygwin_pid (GetCurrentProcessId ()), GetCurrentThreadId ());
@@ -562,7 +565,8 @@ int exec_prepared_command (PWCHAR command)
we continue or not.
Note that this is still racy: if the error_start process does it's work too
- fast, we don't notice that it attached and get stuck here.
+ fast, we don't notice that it attached and get stuck here. So we also
+ apply a timeout to ensure we exit eventually.
*/
*dbg_end = L'\0';
@@ -570,7 +574,7 @@ int exec_prepared_command (PWCHAR command)
system_printf ("Failed to start, %E");
else
{
- while (!being_debugged ())
+ while (!being_debugged () && GetTickCount64() < timeout)
Sleep (0);
Sleep (2000);
}