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Cygwin: Add a timeout to ensure we don't wait forever for dumper

This commit is contained in:
Jon Turney 2024-01-23 16:07:34 +00:00
parent 4d9808d404
commit 1c13ca67b5
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GPG Key ID: C7C86F0370285C81
1 changed files with 6 additions and 2 deletions
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8
winsup/cygwin/exceptions.cc
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@ -540,6 +540,9 @@ int exec_prepared_command (PWCHAR command)
} }
FreeEnvironmentStringsW (rawenv); 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", console_printf ("*** starting '%W' for pid %u, tid %u\r\n",
command, command,
cygwin_pid (GetCurrentProcessId ()), GetCurrentThreadId ()); cygwin_pid (GetCurrentProcessId ()), GetCurrentThreadId ());
@ -562,7 +565,8 @@ int exec_prepared_command (PWCHAR command)
we continue or not. we continue or not.
Note that this is still racy: if the error_start process does it's work too 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'; *dbg_end = L'\0';
@ -570,7 +574,7 @@ int exec_prepared_command (PWCHAR command)
system_printf ("Failed to start, %E"); system_printf ("Failed to start, %E");
else else
{ {
while (!being_debugged ()) while (!being_debugged () && GetTickCount64() < timeout)
Sleep (0); Sleep (0);
Sleep (2000); Sleep (2000);
} }