Lightemerald/windows-user-space-emulator
2
0
Fork 0
mirror of https://github.com/momo5502/emulator.git synced 2026-01-19 03:33:56 +00:00
Code Issues Packages Projects Releases Wiki Activity

Prepare mutant support

Browse Source
This commit is contained in:
momo5502
2024-12-22 15:31:33 +01:00
parent 48277cac3a
commit 4be39b1fe7
4 changed files with 105 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

64
src/windows-emulator/syscalls.cpp
View File

@@ -386,6 +386,11 @@ namespace
return STATUS_SUCCESS;
}
if (value.type == handle_types::mutant && c.proc.mutants.erase(h))
{
return STATUS_SUCCESS;
}
return STATUS_INVALID_HANDLE;
}
@@ -394,6 +399,42 @@ namespace
return STATUS_SUCCESS;
}
NTSTATUS handle_NtCreateMutant(const syscall_context& c, const emulator_object<handle> mutant_handle,
const ACCESS_MASK /*desired_access*/,
const emulator_object<OBJECT_ATTRIBUTES> object_attributes,
const BOOLEAN initial_owner)
{
std::wstring name{};
if (object_attributes)
{
const auto attributes = object_attributes.read();
if (attributes.ObjectName)
{
name = read_unicode_string(c.emu, attributes.ObjectName);
}
}
if (!name.empty())
{
for (const auto& mutant : c.proc.mutants)
{
if (mutant.second.name == name)
{
return STATUS_OBJECT_NAME_EXISTS;
}
}
}
mutant e{};
e.locked = initial_owner != FALSE;
e.name = std::move(name);
const auto handle = c.proc.mutants.store(std::move(e));
mutant_handle.write(handle);
return STATUS_SUCCESS;
}
NTSTATUS handle_NtCreateEvent(const syscall_context& c, const emulator_object<handle> event_handle,
const ACCESS_MASK /*desired_access*/,
const emulator_object<OBJECT_ATTRIBUTES> object_attributes,
@@ -409,6 +450,17 @@ namespace
}
}
if (!name.empty())
{
for (const auto& event : c.proc.events)
{
if (event.second.name == name)
{
return STATUS_OBJECT_NAME_EXISTS;
}
}
}
event e{};
e.type = event_type;
e.signaled = initial_state != FALSE;
@@ -2741,6 +2793,13 @@ namespace
return FALSE;
}
bool is_awaitable_object_type(const handle h)
{
return h.value.type == handle_types::thread //
|| h.value.type == handle_types::mutant //
|| h.value.type == handle_types::event;
}
NTSTATUS handle_NtWaitForMultipleObjects(const syscall_context& c, const ULONG count,
const emulator_object<handle> handles, const WAIT_TYPE wait_type,
const BOOLEAN alertable, const emulator_object<LARGE_INTEGER> timeout)
@@ -2765,7 +2824,7 @@ namespace
{
const auto h = handles.read(i);
if (h.value.type != handle_types::thread && h.value.type != handle_types::event)
if (!is_awaitable_object_type(h))
{
c.win_emu.logger.print(color::gray, "Unsupported handle type for NtWaitForMultipleObjects: %d!\n",
h.value.type);
@@ -2791,7 +2850,7 @@ namespace
c.win_emu.logger.print(color::gray, "Alertable NtWaitForSingleObject not supported yet!\n");
}
if (h.value.type != handle_types::thread && h.value.type != handle_types::event)
if (!is_awaitable_object_type(h))
{
c.win_emu.logger.print(color::gray,
"Unsupported handle type for NtWaitForSingleObject: %d!\n", h.value.type);
@@ -2999,6 +3058,7 @@ void syscall_dispatcher::add_handlers(std::map<std::string, syscall_handler>& ha
add_handler(NtQueryObject);
add_handler(NtQueryAttributesFile);
add_handler(NtWaitForMultipleObjects);
add_handler(NtCreateMutant);
#undef add_handler
}