From 69cd4f248d70e5f676c4ced50f9064e0b17c9a7c Mon Sep 17 00:00:00 2001
From: pjht <terppa05@gmail.com>
Date: Mon, 20 Jul 2020 11:24:09 -0500
Subject: [PATCH] Kernel thread creation can now take a pid and an argument

---
 kernel/cpu/i386/isr.c     | 4 ++--
 kernel/cpu/i386/tasking.c | 6 +++---
 kernel/cpu/tasking.h      | 4 ++--
 3 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/kernel/cpu/i386/isr.c b/kernel/cpu/i386/isr.c
index c5d08e2..d57b8cb 100644
--- a/kernel/cpu/i386/isr.c
+++ b/kernel/cpu/i386/isr.c
@@ -210,7 +210,7 @@ void isr_handler(registers_t* r) {
         r->ebx=(uint32_t)tasking_get_errno_address();
         break;
       case SYSCALL_GET_PID:
-        r->ebx=(pid_t)getPID();
+        r->ebx=(pid_t)tasking_getPID();
         break;
       case SYSCALL_ALLOC_MEM:
         if ((void*)r->ecx==NULL) {
@@ -251,7 +251,7 @@ void isr_handler(registers_t* r) {
         memcpy((char*)r->ebx,initrd,initrd_sz);
         break;
       case SYSCALL_NEW_THREAD:
-        tasking_new_thread((void*)r->ebx);
+        tasking_new_thread((void*)r->ebx,tasking_getPID(),0,0);
         break;
       default:
         break;
diff --git a/kernel/cpu/i386/tasking.c b/kernel/cpu/i386/tasking.c
index 1b91332..4147ca3 100644
--- a/kernel/cpu/i386/tasking.c
+++ b/kernel/cpu/i386/tasking.c
@@ -159,7 +159,7 @@ char tasking_isPrivleged() {
   return currentThread->process->priv;
 }
 
-pid_t getPID() {
+pid_t tasking_getPID() {
   return currentThread->process->pid;
 }
 
@@ -167,8 +167,8 @@ int* tasking_get_errno_address() {
   return &currentThread->errno;
 }
 
-void tasking_new_thread(void* start) {
-  tasking_createTask(start,NULL,0,0,0,0,getPID(),1);
+void tasking_new_thread(void* start,pid_t pid,char param_exists,uint32_t param_arg) {
+  tasking_createTask(start,NULL,0,param_exists,param_arg,0,pid,1);
 }
 
 void switch_to_thread(Thread* thread) {
diff --git a/kernel/cpu/tasking.h b/kernel/cpu/tasking.h
index 930afbc..38a3acf 100644
--- a/kernel/cpu/tasking.h
+++ b/kernel/cpu/tasking.h
@@ -9,9 +9,9 @@
 void tasking_createTask(void* eip,void* cr3,char kmode,char param1_exists,uint32_t param1_arg,char param2_exists,uint32_t param2_arg,char isThread);
 void tasking_init();
 char tasking_isPrivleged();
-pid_t getPID();
+pid_t tasking_getPID();
 int* tasking_get_errno_address();
-void tasking_new_thread(void* start);
+void tasking_new_thread(void* start,pid_t pid,char param_exists,uint32_t param_arg);
 
 void tasking_exit(uint8_t code);
 void tasking_block(ThreadState newstate);