Lightemerald/windows-user-space-emulator
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Better event support

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momo5502
2024-09-16 20:55:00 +02:00
parent 1ee0b15c4e
commit acf5673dfa
4 changed files with 88 additions and 10 deletions
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36
src/windows_emulator/syscalls.cpp
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@@ -308,18 +308,21 @@ namespace
const emulator_object<OBJECT_ATTRIBUTES> object_attributes,
const EVENT_TYPE event_type, const BOOLEAN initial_state)
{
std::wstring name{};
if (object_attributes)
{
//const auto attributes = object_attributes.read();
puts("Unsupported object attributes");
//c.emu.stop();
//return STATUS_NOT_SUPPORTED;
const auto attributes = object_attributes.read();
if (attributes.ObjectName)
{
name = read_unicode_string(c.emu, attributes.ObjectName);
}
}
event e{};
e.type = event_type;
e.signaled = initial_state != FALSE;
e.ref_count = 1;
e.name = std::move(name);
const auto handle = c.proc.events.store(std::move(e));
event_handle.write(handle.bits);
@@ -330,6 +333,26 @@ namespace
return STATUS_SUCCESS;
}
NTSTATUS handle_NtOpenEvent(const syscall_context& c, const emulator_object<uint64_t> event_handle,
const ACCESS_MASK /*desired_access*/,
const emulator_object<OBJECT_ATTRIBUTES> object_attributes)
{
const auto attributes = object_attributes.read();
const auto name = read_unicode_string(c.emu, attributes.ObjectName);
for (auto& entry : c.proc.events)
{
if (entry.second.name == name)
{
++entry.second.ref_count;
event_handle.write(c.proc.events.make_handle(entry.first).bits);
return STATUS_SUCCESS;
}
}
return STATUS_NOT_FOUND;
}
NTSTATUS handle_NtQueryVolumeInformationFile(const syscall_context& c, uint64_t /*file_handle*/,
uint64_t /*io_status_block*/, uint64_t fs_information,
ULONG /*length*/,
@@ -1696,8 +1719,6 @@ void syscall_dispatcher::add_handlers()
std::unordered_map<std::string, syscall_handler> handler_mapping{};
handler_mapping.reserve(this->handlers_.size());
make_syscall_handler<handle_NtCreateEvent>();
#define add_handler(syscall) \
do \
{ \
@@ -1761,6 +1782,7 @@ void syscall_dispatcher::add_handlers()
add_handler(NtUserGetThreadState);
add_handler(NtOpenKeyEx);
add_handler(NtUserDisplayConfigGetDeviceInfo);
add_handler(NtOpenEvent);
#undef add_handler