More threading functionality

nx/include/switch/kernel/thread.h

@@ -12,3 +12,6 @@ Result threadCreate(
 Result threadStart(Thread* t);
 Result threadWaitForExit(Thread* t);
 Result threadClose(Thread* t);
+
+Result threadPause(Thread* t);
+Result threadResume(Thread* t);

nx/include/switch/svc.h

@@ -43,6 +43,7 @@ Result svcMapSharedMemory(Handle handle, void* addr, size_t size, u32 perm);
 Result svcUnmapSharedMemory(Handle handle, void* addr, size_t size);
 Result svcCreateTransferMemory(Handle* out, void* addr, size_t size, u32 perm);
 Result svcWaitSynchronization(s32* index, const Handle* handles, s32 handleCount, u64 timeout);
+Result svcCancelSynchronization(Handle thread);
 Result svcArbitrateLock(u32 wait_tag, u32* tag_location, u32 self_tag);
 Result svcArbitrateUnlock(u32* tag_location);
 Result svcConnectToNamedPort(Handle* session, const char* name);
@@ -52,6 +53,7 @@ Result svcGetProcessId(u64 *processID, Handle handle);
 Result svcBreak(u32 breakReason, u64 inval1, u64 inval2);
 Result svcOutputDebugString(const char *str, u64 size);
 Result svcGetInfo(u64* out, u64 id0, Handle handle, u64 id1);
+Result svcSetThreadActivity(Handle thread, bool paused);
 Result svcCreateSession(Handle *server_handle, Handle *client_handle, u32 unk0, u64 unk1);//unk* are normally 0?
 Result svcAcceptSession(Handle *session_handle, Handle port_handle);
 Result svcReplyAndReceive(s32* index, const Handle* handles, s32 handleCount, Handle replyTarget, u64 timeout);

nx/source/kernel/svc.s

@@ -166,6 +166,11 @@ SVC_BEGIN svcGetInfo
 	ret
 SVC_END
 
+SVC_BEGIN svcSetThreadActivity
+	svc 0x32
+	ret
+SVC_END
+
 SVC_BEGIN svcCreateSession
 	stp x0, x1, [sp, #-16]!
 	svc 0x40

nx/source/kernel/thread.c

@@ -124,3 +124,11 @@ Result threadClose(Thread* t) {
 
     return rc;
 }
+
+Result threadPause(Thread* t) {
+    return svcSetThreadActivity(t->handle, 1);
+}
+
+Result threadResume(Thread* t) {
+    return svcSetThreadActivity(t->handle, 0);
+}