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85 lines
2.8 KiB
Diff
85 lines
2.8 KiB
Diff
From 1889b85c9e9eecdff6882fc9a3d1f1b7247bd08a Mon Sep 17 00:00:00 2001
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From: Sebastian Lackner <sebastian@fds-team.de>
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Date: Sun, 28 Sep 2014 23:39:51 +0200
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Subject: [PATCH] ntdll: OutputDebugString should throw the exception a second
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time, if a debugger is attached.
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---
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dlls/kernelbase/debug.c | 17 +++++++++++++++++
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dlls/ntdll/tests/exception.c | 9 ++++-----
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2 files changed, 21 insertions(+), 5 deletions(-)
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diff --git a/dlls/kernelbase/debug.c b/dlls/kernelbase/debug.c
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index 20dd7d304a2..3b39f78cc7a 100644
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--- a/dlls/kernelbase/debug.c
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+++ b/dlls/kernelbase/debug.c
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@@ -213,6 +213,23 @@ void WINAPI DECLSPEC_HOTPATCH OutputDebugStringA( LPCSTR str )
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__ENDTRY
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if (caught_by_dbg) return;
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+ /* for some unknown reason Windows sends the exception a second time, if a
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+ * debugger is attached, and the event wasn't handled in the first attempt */
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+ if (NtCurrentTeb()->Peb->BeingDebugged)
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+ {
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+ __TRY
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+ {
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+ ULONG_PTR args[2];
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+ args[0] = strlen(str) + 1;
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+ args[1] = (ULONG_PTR)str;
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+ RaiseException( DBG_PRINTEXCEPTION_C, 0, 2, args );
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+ }
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+ __EXCEPT(debug_exception_handler)
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+ {
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+ }
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+ __ENDTRY
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+ }
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+
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/* send string to a system-wide monitor */
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if (!mutex_inited)
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{
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diff --git a/dlls/ntdll/tests/exception.c b/dlls/ntdll/tests/exception.c
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index 3ced3d04b71..9a2ab8db02a 100644
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--- a/dlls/ntdll/tests/exception.c
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+++ b/dlls/ntdll/tests/exception.c
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@@ -3893,7 +3893,7 @@ static LONG CALLBACK outputdebugstring_vectored_handler(EXCEPTION_POINTERS *Exce
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return EXCEPTION_CONTINUE_SEARCH;
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}
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-static void test_outputdebugstring(DWORD numexc, BOOL todo)
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+static void test_outputdebugstring(DWORD numexc)
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{
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PVOID vectored_handler;
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@@ -3909,7 +3909,6 @@ static void test_outputdebugstring(DWORD numexc, BOOL todo)
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outputdebugstring_exceptions = 0;
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OutputDebugStringA("Hello World");
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- todo_wine_if(todo)
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ok(outputdebugstring_exceptions == numexc, "OutputDebugStringA generated %d exceptions, expected %d\n",
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outputdebugstring_exceptions, numexc);
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@@ -4509,9 +4508,9 @@ START_TEST(exception)
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run_rtlraiseexception_test(EXCEPTION_BREAKPOINT);
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run_rtlraiseexception_test(EXCEPTION_INVALID_HANDLE);
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test_stage = 3;
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- test_outputdebugstring(0, FALSE);
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+ test_outputdebugstring(0);
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test_stage = 4;
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- test_outputdebugstring(2, TRUE); /* is this a Windows bug? */
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+ test_outputdebugstring(2);
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test_stage = 5;
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test_ripevent(0);
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test_stage = 6;
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@@ -4588,7 +4587,7 @@ START_TEST(exception)
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#endif
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test_thread_context();
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- test_outputdebugstring(1, FALSE);
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+ test_outputdebugstring(1);
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test_ripevent(1);
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test_breakpoint(1);
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test_closehandle(0, (HANDLE)0xdeadbeef);
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--
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2.27.0
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