More work on syscalls

4 files changed, 54 insertions, 9 deletions

diff --git a/Source/Kernel/TaskManager/Process.class.cpp b/Source/Kernel/TaskManager/Process.class.cpp
index bad4e52..39428b4 100644
--- a/Source/Kernel/TaskManager/Process.class.cpp
+++ b/Source/Kernel/TaskManager/Process.class.cpp
@@ -3,12 +3,13 @@
 #include <MemoryManager/PhysMem.ns.h>
 #include <VFS/File.class.h>
 #include <Linker/Binary.proto.h>
+#include <Process.iface.h>
 
 namespace Mem {
 	extern Heap kheap;
 }
 
-Process::Process() {	//Private constructor, does nothing
+Process::Process() : Ressource(PR_IFACE_OBJTYPE) {	//Private constructor, does nothing
 }
 
 Process* Process::createKernel(String cmdline, VirtualTerminal *vt) {
@@ -53,7 +54,9 @@ Process* Process::run(String filename, FSNode* cwd, u32int uid) {
 	}
 }
 
-Process::Process(String cmdline, u32int uid) {
+Process::Process(String cmdline, u32int uid) : Ressource(PR_IFACE_OBJTYPE) {
+	addCall0(PR_IFACE_EXIT, (call0)&Process::exitSC);
+	addCall1(PR_IFACE_ALLOCPAGE, (call1)&Process::allocPageSC);
 	m_pid = Task::nextPid();
 	m_cmdline = cmdline;
 	m_retval = 0;
@@ -99,7 +102,7 @@ void Process::registerThread(Thread* t) {
 
 void Process::threadFinishes(Thread* thread, u32int retval) {
 	// If it is the main thread of the process, or if it pagefaulted
-	if (thread == m_threads[0] or retval == E_PAGEFAULT) {
+	if (thread == m_threads[0] or retval == E_PAGEFAULT or retval == E_EXIT) {
 		exit();
 	} else {
 		//Simply unregister thread
@@ -133,3 +136,17 @@ VirtualTerminal* Process::getVirtualTerminal() {
 void Process::setVirtualTerminal(VirtualTerminal* vt) {
 	m_vt = vt;
 }
+
+u32int Process::exitSC() {
+	if (Task::currProcess() != this) return 1;
+	Task::currentThreadExits(E_EXIT);
+	return 0;
+}
+
+u32int Process::allocPageSC(u32int pos) {
+	if (Task::currProcess() != this) return 1;
+	if ((pos & 0x00000FFF) != 0) pos = (pos & 0xFFFFF000) + 0x1000;
+	if (pos >= 0xC0000000) return 1;
+	m_pagedir->allocFrame(pos, true, true);
+	return 0;
+}
diff --git a/Source/Kernel/TaskManager/Process.class.h b/Source/Kernel/TaskManager/Process.class.h
index fdd1377..1b614b7 100644
--- a/Source/Kernel/TaskManager/Process.class.h
+++ b/Source/Kernel/TaskManager/Process.class.h
@@ -9,13 +9,15 @@
 #include <VTManager/VirtualTerminal.proto.h>
 #include <VFS/File.class.h>
 
+#include <SyscallManager/Ressource.class.h>
+
 #define P_ZOMBIE 0
 #define P_RUNNING 1
 #define P_STARTING 2
 #define P_FINISHED 3
 
 #define E_PAGEFAULT 0x0FFFFF00
-#define E_ABORTED 0x0FFFFF01
+#define E_EXIT 0x0FFFFF01
 #define E_UNHANDLED_EXCEPTION 0x0FFFFF02
 
 #define STACKSIZE 4096	//Could change
@@ -26,7 +28,7 @@
 class Thread;
 class File;
 
-class Process {
+class Process : public Ressource {
 	friend class Thread;
 
 	private:
@@ -67,6 +69,9 @@ class Process {
 	void setVirtualTerminal(VirtualTerminal* vt);
 	u32int getState() { return m_state; }
 
+	//System calls
+	u32int exitSC();
+	u32int allocPageSC(u32int);
 };
 
 #endif
diff --git a/Source/Kernel/TaskManager/Thread.class.cpp b/Source/Kernel/TaskManager/Thread.class.cpp
index 9a2df3f..2237457 100644
--- a/Source/Kernel/TaskManager/Thread.class.cpp
+++ b/Source/Kernel/TaskManager/Thread.class.cpp
@@ -4,6 +4,8 @@
 #include <DeviceManager/Time.ns.h>
 #include <MemoryManager/GDT.ns.h>
 
+#include <Thread.iface.h>
+
 void runThread(Thread* thread, void* data, thread_entry_t entry_point) {
 	if (thread->m_isKernel) {
 		asm volatile("sti");
@@ -49,10 +51,10 @@ void runThread(Thread* thread, void* data, thread_entry_t entry_point) {
 	}
 }
 
-Thread::Thread() {	//Private constructor, does nothing
+Thread::Thread() : Ressource(TH_IFACE_OBJTYPE) {	//Private constructor, does nothing
 }
 
-Thread::Thread(thread_entry_t entry_point, void* data, bool iskernel) {
+Thread::Thread(thread_entry_t entry_point, void* data, bool iskernel) : Ressource(TH_IFACE_OBJTYPE) {
 	if (iskernel) {
 		setup(Task::getKernelProcess(), entry_point, data, true);
 	} else {
@@ -60,7 +62,7 @@ Thread::Thread(thread_entry_t entry_point, void* data, bool iskernel) {
 	}
 }
 
-Thread::Thread(Process* process, thread_entry_t entry_point, void* data) {
+Thread::Thread(Process* process, thread_entry_t entry_point, void* data) : Ressource(TH_IFACE_OBJTYPE) {
 	setup(process, entry_point, data, false);
 }
 
@@ -75,6 +77,9 @@ Thread::~Thread() {
 }
 
 void Thread::setup(Process* process, thread_entry_t entry_point, void* data, bool isKernel) {
+	addCall1(TH_IFACE_SLEEP, (call1)&Thread::sleepSC);
+	addCall1(TH_IFACE_FINISH, (call1)&Thread::finishSC);
+
 	m_isKernel = isKernel;
 	m_process = process;
 	m_kernelStack.addr = Mem::kalloc(STACKSIZE);
@@ -199,3 +204,17 @@ bool Thread::runnable() {
 	}
 	return false;
 }
+
+u32int Thread::sleepSC(u32int msecs) {
+	if (this != Task::currThread()) return 1;
+	sleep(msecs);
+	return 0;
+}
+
+u32int Thread::finishSC(u32int errcode) {
+	if (this != Task::currThread()) return 1;
+	Task::currentThreadExits(errcode);
+	return 0;
+}
+
+
diff --git a/Source/Kernel/TaskManager/Thread.class.h b/Source/Kernel/TaskManager/Thread.class.h
index aeb1f93..8a7d45e 100644
--- a/Source/Kernel/TaskManager/Thread.class.h
+++ b/Source/Kernel/TaskManager/Thread.class.h
@@ -11,7 +11,7 @@
 
 typedef u32int(*thread_entry_t)(void*);
 
-class Thread {
+class Thread : public Ressource {
 	friend class Process;	//This might be useful
 	friend void runThread(Thread*, void*, thread_entry_t);
 
@@ -59,6 +59,10 @@ class Thread {
 		}
 		return false;
 	}
+
+	//Syscalls
+	u32int sleepSC(u32int msecs);
+	u32int finishSC(u32int errcode);
 };
 
 #endif