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WaitSynchronizationN: Handle case where handle_count=0.

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This commit is contained in:
bunnei 2015-01-17 12:17:36 -05:00
parent 7faf2d8e06
commit 064be2b86f
1 changed files with 27 additions and 17 deletions
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10
src/core/hle/svc.cpp
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@ -148,6 +148,8 @@ static Result WaitSynchronizationN(s32* out, Handle* handles, s32 handle_count,
bool wait_all_succeeded = false; bool wait_all_succeeded = false;
int handle_index = 0; int handle_index = 0;
// If handles were passed in, iterate through them and wait/acquire the objects as needed
if (handle_count > 0) {
while (handle_index < handle_count) { while (handle_index < handle_count) {
SharedPtr<Kernel::Object> object = Kernel::g_handle_table.GetGeneric(handles[handle_index]); SharedPtr<Kernel::Object> object = Kernel::g_handle_table.GetGeneric(handles[handle_index]);
if (object == nullptr) if (object == nullptr)
@ -170,6 +172,14 @@ static Result WaitSynchronizationN(s32* out, Handle* handles, s32 handle_count,
handle_index++; handle_index++;
} }
}else {
// If no handles were passed in, put the thread to sleep only when wait_all=false
// NOTE: This is supposed to deadlock if no timeout was specified
if (!wait_all) {
wait_thread = true;
Kernel::WaitCurrentThread(WAITTYPE_SLEEP);
}
}
// Change the thread state to waiting if blocking on all handles... // Change the thread state to waiting if blocking on all handles...
if (wait_thread || wait_all_succeeded) { if (wait_thread || wait_all_succeeded) {