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More logging & some hacks

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This commit is contained in:
Luke Street 2025-10-04 21:26:46 -06:00
parent cf7ea70fac
commit 04516b246c
3 changed files with 23 additions and 11 deletions
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7
dll/kernel32/processthreadsapi.cpp
View File

@ -144,11 +144,16 @@ void *threadTrampoline(void *param) {
{
std::unique_lock lk(data.obj->m);
data.obj->tib = threadTib;
data.obj->cv.wait(lk, [&] { return data.obj->suspendCount == 0; });
if (data.obj->suspendCount) {
DEBUG_LOG("Thread is suspended at start; waiting...\n");
data.obj->cv.wait(lk, [&] { return data.obj->suspendCount == 0; });
}
}
wibo::notifyDllThreadAttach();
DEBUG_LOG("Calling thread entry %p with userData %p\n", data.entry, data.userData);
DWORD result = data.entry ? data.entry(data.userData) : 0;
DEBUG_LOG("Thread exiting with code %u\n", result);
{
std::lock_guard lk(data.obj->m);
data.obj->exitCode = result;

20
dll/kernel32/synchapi.cpp
View File

@ -43,7 +43,7 @@ void WIN_FUNC Sleep(DWORD dwMilliseconds) {
}
HANDLE WIN_FUNC CreateMutexW(LPSECURITY_ATTRIBUTES lpMutexAttributes, BOOL bInitialOwner, LPCWSTR lpName) {
DEBUG_LOG("CreateMutexW(%p, %d, %ls)\n", lpMutexAttributes, static_cast<int>(bInitialOwner),
DEBUG_LOG("CreateMutexW(%p, %d, %s)\n", lpMutexAttributes, static_cast<int>(bInitialOwner),
wideStringToString(lpName).c_str());
std::u16string name = makeU16String(lpName);
const uint32_t grantedAccess = MUTEX_ALL_ACCESS;
@ -110,7 +110,7 @@ BOOL WIN_FUNC ReleaseMutex(HANDLE hMutex) {
HANDLE WIN_FUNC CreateEventW(LPSECURITY_ATTRIBUTES lpEventAttributes, BOOL bManualReset, BOOL bInitialState,
LPCWSTR lpName) {
DEBUG_LOG("CreateEventW(%p, %d, %d, %ls)\n", lpEventAttributes, static_cast<int>(bManualReset),
DEBUG_LOG("CreateEventW(%p, %d, %d, %s)\n", lpEventAttributes, static_cast<int>(bManualReset),
static_cast<int>(bInitialState), wideStringToString(lpName).c_str());
std::u16string name = makeU16String(lpName);
const uint32_t grantedAccess = EVENT_ALL_ACCESS;
@ -118,12 +118,9 @@ HANDLE WIN_FUNC CreateEventW(LPSECURITY_ATTRIBUTES lpEventAttributes, BOOL bManu
if (lpEventAttributes && lpEventAttributes->bInheritHandle) {
handleFlags |= HANDLE_FLAG_INHERIT;
}
auto [ev, alreadyExists] = wibo::g_namespace.getOrCreate(name, [&]() {
auto e = new EventObject(!!bManualReset);
if (bInitialState) {
std::lock_guard lk(e->m);
e->signaled.store(true, std::memory_order_relaxed);
}
auto [ev, created] = wibo::g_namespace.getOrCreate(name, [&]() {
auto e = new EventObject(bManualReset);
e->signaled.store(bInitialState, std::memory_order_relaxed);
return e;
});
if (!ev) {
@ -132,7 +129,8 @@ HANDLE WIN_FUNC CreateEventW(LPSECURITY_ATTRIBUTES lpEventAttributes, BOOL bManu
return nullptr;
}
HANDLE h = wibo::handles().alloc(std::move(ev), grantedAccess, handleFlags);
wibo::lastError = alreadyExists ? ERROR_ALREADY_EXISTS : ERROR_SUCCESS;
DEBUG_LOG("-> %p (created=%d)\n", h, created ? 1 : 0);
wibo::lastError = created ? ERROR_SUCCESS : ERROR_ALREADY_EXISTS;
return h;
}
@ -147,7 +145,7 @@ HANDLE WIN_FUNC CreateEventA(LPSECURITY_ATTRIBUTES lpEventAttributes, BOOL bManu
HANDLE WIN_FUNC CreateSemaphoreW(LPSECURITY_ATTRIBUTES lpSemaphoreAttributes, LONG lInitialCount, LONG lMaximumCount,
LPCWSTR lpName) {
DEBUG_LOG("CreateSemaphoreW(%p, %ld, %ld, %ls)\n", lpSemaphoreAttributes, lInitialCount, lMaximumCount,
DEBUG_LOG("CreateSemaphoreW(%p, %ld, %ld, %s)\n", lpSemaphoreAttributes, lInitialCount, lMaximumCount,
wideStringToString(lpName).c_str());
auto name = makeU16String(lpName);
const uint32_t granted = SEMAPHORE_ALL_ACCESS;
@ -266,6 +264,8 @@ DWORD WIN_FUNC WaitForSingleObject(HANDLE hHandle, DWORD dwMilliseconds) {
}
};
DEBUG_LOG("Waiting on object with type %d\n", static_cast<int>(obj->type));
switch (obj->type) {
case ObjectType::Event: {
auto ev = std::move(obj).downcast<EventObject>();

7
src/module_registry.cpp
View File

@ -854,11 +854,13 @@ ModuleInfo *loadModule(const char *dllName) {
registerExternalModuleAliases(*reg, requested, files::canonicalPath(path), info);
return info;
}
reg.lock.unlock();
DEBUG_LOG(" loading external module from %s\n", path.c_str());
FILE *file = fopen(path.c_str(), "rb");
if (!file) {
perror("loadModule");
reg.lock.lock();
diskError = ERROR_MOD_NOT_FOUND;
return nullptr;
}
@ -867,6 +869,7 @@ ModuleInfo *loadModule(const char *dllName) {
if (!executable->loadPE(file, true)) {
DEBUG_LOG(" loadPE failed for %s\n", path.c_str());
fclose(file);
reg.lock.lock();
diskError = ERROR_BAD_EXE_FORMAT;
return nullptr;
}
@ -881,16 +884,20 @@ ModuleInfo *loadModule(const char *dllName) {
info->executable = std::move(executable);
info->refCount = 1;
reg.lock.lock();
ModuleInfo *raw = info.get();
reg->modulesByKey[key] = std::move(info);
registerExternalModuleAliases(*reg, requested, raw->resolvedPath, raw);
reg.lock.unlock();
ensureExportsInitialized(*raw);
if (!raw->executable->resolveImports()) {
DEBUG_LOG(" resolveImports failed for %s\n", raw->originalName.c_str());
reg.lock.lock();
reg->modulesByKey.erase(key);
diskError = wibo::lastError;
return nullptr;
}
reg.lock.lock();
if (!callDllMain(*raw, DLL_PROCESS_ATTACH, nullptr)) {
DEBUG_LOG(" DllMain failed for %s\n", raw->originalName.c_str());
runPendingOnExit(*raw);