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kernel32/tests: Add exception handling race test. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
stable
Jacek Caban 2019-08-26 19:37:20 +02:00 committed by Alexandre Julliard
parent 7e085d6ee2
commit 42a9b58b06
1 changed files with 83 additions and 0 deletions
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83
dlls/kernel32/tests/debugger.c
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@ -311,6 +311,16 @@ static void set_thread_context_(unsigned line, struct debugger_context *ctx, str
ok_(__FILE__,line)(ret, "SetThreadContext failed: %u\n", GetLastError());
}
static void fetch_process_context(struct debugger_context *ctx)
{
struct debuggee_thread *thread;
WINE_RB_FOR_EACH_ENTRY(thread, &ctx->threads, struct debuggee_thread, entry)
{
fetch_thread_context(thread);
}
}
#define WAIT_EVENT_TIMEOUT 20000
#define POLL_EVENT_TIMEOUT 200
@ -1259,6 +1269,7 @@ static void test_debugger(const char *argv0)
STARTUPINFOA si;
HANDLE event, thread;
BYTE *mem, buf[4096], *proc_code, *thread_proc, byte;
unsigned int i, worker_cnt, exception_cnt;
struct debuggee_thread *debuggee_thread;
char *cmd;
BOOL ret;
@ -1346,6 +1357,78 @@ static void test_debugger(const char *argv0)
}
else win_skip("call_debug_service_code not supported on this architecture\n");
if (sizeof(loop_code) > 1 && broken(1) /* FIXME: broken in Wine */)
{
memset(buf, OP_BP, sizeof(buf));
memcpy(proc_code, &loop_code, sizeof(loop_code));
ret = WriteProcessMemory(pi.hProcess, mem, buf, sizeof(buf), NULL);
ok(ret, "WriteProcessMemory failed: %u\n", GetLastError());
ctx.thread_tag = 1;
worker_cnt = 20;
for (i = 0; i < worker_cnt; i++)
{
thread = CreateRemoteThread(pi.hProcess, NULL, 0, (void*)thread_proc, NULL, 0, NULL);
ok(thread != NULL, "CreateRemoteThread failed: %u\n", GetLastError());
next_event(&ctx, 20000);
ok(ctx.ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT, "dwDebugEventCode = %d\n", ctx.ev.dwDebugEventCode);
ret = CloseHandle(thread);
ok(ret, "CloseHandle failed, last error %d.\n", GetLastError());
}
byte = OP_BP;
ret = WriteProcessMemory(pi.hProcess, thread_proc + 1, &byte, 1, NULL);
ok(ret, "WriteProcessMemory failed: %u\n", GetLastError());
expect_breakpoint_exception(&ctx, thread_proc + 1);
exception_cnt = 1;
debuggee_thread = ctx.current_thread;
fetch_process_context(&ctx);
ok(get_ip(&ctx.current_thread->ctx) == thread_proc + 2, "unexpected instruction pointer %p\n",
get_ip(&ctx.current_thread->ctx));
byte = 0xc3; /* ret */
ret = WriteProcessMemory(pi.hProcess, thread_proc + 1, &byte, 1, NULL);
ok(ret, "WriteProcessMemory failed: %u\n", GetLastError());
for (;;)
{
DEBUG_EVENT ev;
/* even when there are more pending events, they are not reported until current event is continued */
ret = WaitForDebugEvent(&ev, 10);
ok(GetLastError() == ERROR_SEM_TIMEOUT, "WaitForDebugEvent returned %x(%u)\n", ret, GetLastError());
next_event(&ctx, 100);
if (ctx.ev.dwDebugEventCode != EXCEPTION_DEBUG_EVENT) break;
trace("exception at %p in thread %04x\n", ctx.ev.u.Exception.ExceptionRecord.ExceptionAddress, ctx.ev.dwThreadId);
ok(ctx.ev.u.Exception.ExceptionRecord.ExceptionCode == EXCEPTION_BREAKPOINT, "ExceptionCode = %x\n",
ctx.ev.u.Exception.ExceptionRecord.ExceptionCode);
ok(ctx.ev.u.Exception.ExceptionRecord.ExceptionAddress == thread_proc + 1,
"ExceptionAddress = %p\n", ctx.ev.u.Exception.ExceptionRecord.ExceptionAddress);
ok(get_ip(&ctx.current_thread->ctx) == thread_proc + 2
|| broken(get_ip(&ctx.current_thread->ctx) == thread_proc), /* sometimes observed on win10 */
"unexpected instruction pointer %p\n",
get_ip(&ctx.current_thread->ctx));
exception_cnt++;
}
trace("received %u exceptions\n", exception_cnt);
for (;;)
{
ok(ctx.ev.dwDebugEventCode == EXIT_THREAD_DEBUG_EVENT
|| broken(ctx.ev.dwDebugEventCode == CREATE_THREAD_DEBUG_EVENT), /* sometimes happens on vista */
"dwDebugEventCode = %d\n", ctx.ev.dwDebugEventCode);
if (ctx.ev.dwDebugEventCode == EXIT_THREAD_DEBUG_EVENT && !--worker_cnt) break;
next_event(&ctx, 2000);
}
}
SetEvent(event);
do