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kernel32/tests: Filter spurious thread creation debug events.

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On windows, we get some test failures as un-expected thread
create debug events are sent.
Try to filter them out in a couple of places.

Signed-off-by: Eric Pouech <eric.pouech@gmail.com>
This commit is contained in:
Eric Pouech 2023-01-18 16:24:01 +01:00 committed by Alexandre Julliard
parent 982472d895
commit 8aeca16ca5
1 changed files with 45 additions and 15 deletions
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60
dlls/kernel32/tests/debugger.c
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@ -452,15 +452,20 @@ static void process_attach_events(struct debugger_context *ctx, BOOL pass_except
/* Win11 doesn't generate it at this point (Win <= 10 do) */
if (ctx->ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT)
{
DWORD last_thread;
DWORD last_threads[5];
unsigned thd_idx = 0, i;
/* sometimes (at least Win10) several thread creations are reported here */
do
{
last_thread = ctx->ev.dwThreadId;
if (thd_idx < ARRAY_SIZE(last_threads))
last_threads[thd_idx++] = ctx->ev.dwThreadId;
next_event(ctx, WAIT_EVENT_TIMEOUT);
} while (ctx->ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT);
ok(ctx->ev.dwThreadId == last_thread, "unexpected thread\n");
ok(thd_idx <= ARRAY_SIZE(last_threads), "too many threads created\n");
for (i = 0; i < thd_idx; i++)
if (last_threads[i] == ctx->ev.dwThreadId) break;
ok(i < thd_idx, "unexpected thread\n");
ok(ctx->ev.dwDebugEventCode == EXCEPTION_DEBUG_EVENT, "dwDebugEventCode = %ld\n", ctx->ev.dwDebugEventCode);
ok(ctx->ev.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT, "ExceptionCode = %lx\n",
@ -1303,11 +1308,10 @@ static void expect_exception_(unsigned line, struct debugger_context *ctx, DWORD
ctx->ev.u.Exception.ExceptionRecord.ExceptionCode, exception_code);
}
#define expect_breakpoint_exception(a,b) expect_breakpoint_exception_(__LINE__,a,b)
static void expect_breakpoint_exception_(unsigned line, struct debugger_context *ctx, const void *expect_addr)
#define check_breakpoint_exception(a,b) expect_breakpoint_exception_(__LINE__,a,b)
static void check_breakpoint_exception_(unsigned line, struct debugger_context *ctx, const void *expect_addr)
{
struct debuggee_thread *thread;
expect_exception_(line, ctx, EXCEPTION_BREAKPOINT);
if (!expect_addr) return;
ok_(__FILE__,line)(ctx->ev.u.Exception.ExceptionRecord.ExceptionAddress == expect_addr,
"ExceptionAddress = %p expected %p\n", ctx->ev.u.Exception.ExceptionRecord.ExceptionAddress, expect_addr);
@ -1317,6 +1321,13 @@ static void expect_breakpoint_exception_(unsigned line, struct debugger_context
get_ip(&thread->ctx), expect_addr);
}
#define expect_breakpoint_exception(a,b) expect_breakpoint_exception_(__LINE__,a,b)
static void expect_breakpoint_exception_(unsigned line, struct debugger_context *ctx, const void *expect_addr)
{
expect_exception_(line, ctx, EXCEPTION_BREAKPOINT);
check_breakpoint_exception_(line, ctx, expect_addr);
}
#define single_step(a,b,c) single_step_(__LINE__,a,b,c)
static void single_step_(unsigned line, struct debugger_context *ctx, struct debuggee_thread *thread, void *expect_addr)
{
@ -1599,15 +1610,31 @@ static void test_debugger(const char *argv0)
ok(pNtResumeProcess != NULL, "pNtResumeProcess not found\n");
if (pNtSuspendProcess && pNtResumeProcess)
{
DWORD action = DBG_REPLY_LATER;
status = pNtSuspendProcess(pi.hProcess);
ok(!status, "NtSuspendProcess failed, last error:%lu\n", GetLastError());
ret = ContinueDebugEvent(ctx.ev.dwProcessId, ctx.ev.dwThreadId, DBG_REPLY_LATER);
ok(ret, "ContinueDebugEvent failed, last error:%lu\n", GetLastError());
ok(!WaitForDebugEvent(&ctx.ev, POLL_EVENT_TIMEOUT), "WaitForDebugEvent succeeded.\n");
do
{
ret = ContinueDebugEvent(ctx.ev.dwProcessId, ctx.ev.dwThreadId, action);
ok(ret, "ContinueDebugEvent failed, last error:%lu\n", GetLastError());
ret = WaitForDebugEvent(&ctx.ev, POLL_EVENT_TIMEOUT);
ok(!ret || ctx.ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT, "WaitForDebugEvent succeeded.\n");
if (ret) add_thread(&ctx, ctx.ev.dwThreadId);
action = DBG_CONTINUE;
} while (ret);
status = NtResumeThread(thread_b, NULL);
ok(!status, "NtResumeThread failed, last error:%lu\n", GetLastError());
ok(!WaitForDebugEvent(&ctx.ev, POLL_EVENT_TIMEOUT), "WaitForDebugEvent succeeded.\n");
while (WaitForDebugEvent(&ctx.ev, POLL_EVENT_TIMEOUT))
{
ok(ctx.ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT, "Unexpected debug event %lx\n", ctx.ev.dwDebugEventCode);
if (ctx.ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT)
{
add_thread(&ctx, ctx.ev.dwThreadId);
ret = ContinueDebugEvent(ctx.ev.dwProcessId, ctx.ev.dwThreadId, DBG_CONTINUE);
ok(ret, "ContinueDebugEvent failed, last error:%lu\n", GetLastError());
}
}
status = pNtResumeProcess(pi.hProcess);
ok(!status, "pNtResumeProcess failed, last error:%lu\n", GetLastError());
@ -1739,9 +1766,11 @@ static void test_debugger(const char *argv0)
thread = CreateRemoteThread(pi.hProcess, NULL, 0, (void*)thread_proc, NULL, 0, &tid);
ok(thread != NULL, "CreateRemoteThread failed: %lu\n", GetLastError());
next_event(&ctx, WAIT_EVENT_TIMEOUT);
ok(ctx.ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT, "dwDebugEventCode = %ld\n", ctx.ev.dwDebugEventCode);
ok(ctx.ev.dwThreadId == tid, "Unexpected thread id\n");
do
{
next_event(&ctx, WAIT_EVENT_TIMEOUT);
ok(ctx.ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT, "dwDebugEventCode = %ld\n", ctx.ev.dwDebugEventCode);
} while (ctx.ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT && ctx.ev.dwThreadId != tid);
ok(ctx.ev.u.CreateThread.lpStartAddress == (void*)thread_proc, "Unexpected thread's start address\n");
ret = CloseHandle(thread);
@ -1752,7 +1781,8 @@ static void test_debugger(const char *argv0)
ret = WriteProcessMemory(pi.hProcess, thread_proc + 1, &byte, 1, NULL);
ok(ret, "WriteProcessMemory failed: %lu\n", GetLastError());
expect_breakpoint_exception(&ctx, thread_proc + 1);
wait_for_breakpoint(&ctx);
check_breakpoint_exception(&ctx, thread_proc + 1);
exception_cnt = 1;
byte = 0xc3; /* ret */
@ -1874,7 +1904,7 @@ static void test_debugger(const char *argv0)
SetEvent(event);
ResumeThread(ctx.main_thread->handle);
next_event(&ctx, 2000);
next_event_filter(&ctx, 2000, event_mask(CREATE_THREAD_DEBUG_EVENT));
ok(ctx.ev.dwDebugEventCode == EXCEPTION_DEBUG_EVENT, "dwDebugEventCode = %ld\n", ctx.ev.dwDebugEventCode);
ok(ctx.ev.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT, "ExceptionCode = %lx\n",
ctx.ev.u.Exception.ExceptionRecord.ExceptionCode);