util/proc: Create util module for handling process related stuff

src/main/util/Module.mk

@@ -15,6 +15,7 @@ src_util        := \
     msg-thread.c \
     net.c \
     os.c \
+    proc.c \
     signal.c \
     str.c \
     thread.c \

src/main/util/proc.c

@@ -0,0 +1,15 @@
+#include <windows.h>
+
+#include <stdint.h>
+
+void proc_terminate_current_process(uint32_t exit_code)
+{
+    HANDLE hnd;
+
+    hnd = OpenProcess(
+        SYNCHRONIZE | PROCESS_TERMINATE,
+        TRUE,
+        GetCurrentProcessId());
+        
+    TerminateProcess(hnd, 0);
+}

src/main/util/proc.h

@@ -0,0 +1,5 @@
+#pragma once
+
+#include <stdint.h>
+
+void proc_terminate_current_process(uint32_t exit_code);