Kernel: More PID/TID typing

Author: https://github.com/BenWiederhake
Commit: bee08a4b9f
Pull-request: https://github.com/SerenityOS/serenity/pull/3057
Reviewed-by: https://github.com/alimpfard
Reviewed-by: https://github.com/awesomekling
Reviewed-by: https://github.com/bgianfo

Libraries/LibC/sys/ptrace.cpp

@@ -31,7 +31,7 @@
 
 extern "C" {
 
-int ptrace(int request, pid_t pid, void* addr, int data)
+int ptrace(int request, pid_t tid, void* addr, int data)
 {
 
     // PT_PEEK needs special handling since the syscall wrapper
@@ -49,7 +49,7 @@ int ptrace(int request, pid_t pid, void* addr, int data)
 
     Syscall::SC_ptrace_params params {
         request,
-        pid,
+        tid,
         reinterpret_cast<u8*>(addr),
         data
     };

Libraries/LibC/sys/ptrace.h

@@ -40,6 +40,9 @@ __BEGIN_DECLS
 #define PT_POKE 8
 #define PT_SETREGS 9
 
-int ptrace(int request, pid_t pid, void* addr, int data);
+// FIXME: PID/TID ISSUE
+// Affects the entirety of LibDebug and Userland/strace.cpp.
+// See also Kernel/Ptrace.cpp
+int ptrace(int request, pid_t tid, void* addr, int data);
 
 __END_DECLS