From 916dfb56f0d5bd00c6ef0c72c4951258bc5c64e7 Mon Sep 17 00:00:00 2001
From: plutoo <plutoo@universe>
Date: Mon, 1 Jan 2018 23:32:44 +0100
Subject: [PATCH] More threading functionality

---
 nx/include/switch/kernel/thread.h | 3 +++
 nx/include/switch/svc.h           | 4 +++-
 nx/source/kernel/svc.s            | 5 +++++
 nx/source/kernel/thread.c         | 8 ++++++++
 4 files changed, 19 insertions(+), 1 deletion(-)

diff --git a/nx/include/switch/kernel/thread.h b/nx/include/switch/kernel/thread.h
index ae80db52..dea17bc0 100644
--- a/nx/include/switch/kernel/thread.h
+++ b/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);
diff --git a/nx/include/switch/svc.h b/nx/include/switch/svc.h
index 29001dc4..67aff4f7 100644
--- a/nx/include/switch/svc.h
+++ b/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);
@@ -78,4 +80,4 @@ Result svcManageNamedPort(Handle* portServer, const char* name, s32 maxSessions)
 Result svcMapProcessMemory(void* dst, Handle proc, u64 src, u64 size);
 Result svcCreateProcess(Handle* out, void* proc_info, u32* caps, u64 cap_num);
 Result svcStartProcess(Handle proc, s32 main_prio, s32 default_cpu, u32 stack_size);
-u64 svcCallSecureMonitor(SecmonArgs* regs);
+u64    svcCallSecureMonitor(SecmonArgs* regs);
diff --git a/nx/source/kernel/svc.s b/nx/source/kernel/svc.s
index cbfb7fe3..06979ba7 100644
--- a/nx/source/kernel/svc.s
+++ b/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
diff --git a/nx/source/kernel/thread.c b/nx/source/kernel/thread.c
index cb4edbd6..34ee124a 100644
--- a/nx/source/kernel/thread.c
+++ b/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);
+}