From d1ac6fb03e3110e35023f60f643f0c4d02c3d8b6 Mon Sep 17 00:00:00 2001
From: Alexis211 <alexis211@gmail.com>
Date: Sat, 24 Oct 2009 22:58:28 +0200
Subject: More work on syscalls : userland applications can run other apps.

---
 Source/Library/Userland/Binding/Process.class.h | 22 ++++++++++++++++++++++
 Source/Library/Userland/Start.cpp               | 12 ++++++++++--
 2 files changed, 32 insertions(+), 2 deletions(-)

(limited to 'Source/Library/Userland')

diff --git a/Source/Library/Userland/Binding/Process.class.h b/Source/Library/Userland/Binding/Process.class.h
index 9687ea9..a3fc569 100644
--- a/Source/Library/Userland/Binding/Process.class.h
+++ b/Source/Library/Userland/Binding/Process.class.h
@@ -2,6 +2,7 @@
 #define DEF_PROCESS_CLASS_H
 
 #include <Syscall/RessourceCaller.class.h>
+#include <Binding/VirtualTerminal.class.h>
 
 #include <Process.iface.h>
 #include <String.class.h>
@@ -12,6 +13,9 @@ class Process : public RessourceCaller {
 		u32int id = RessourceCaller::sCall(PRIF_OBJTYPE, PRIF_SGETCPR);
 		return Process(id);
 	}
+	static Process run(const String& app) {
+		return Process(sCall(PRIF_OBJTYPE, PRIF_SRUN, (u32int)&app));
+	}
 	Process(u32int id) : RessourceCaller(id, PRIF_OBJTYPE) {}
 
 	void exit() {
@@ -35,6 +39,24 @@ class Process : public RessourceCaller {
 	String argv(u32int idx) {
 		return String::unserialize(doCall(PRIF_ARGV, idx));
 	}
+	void start() {
+		doCall(PRIF_START);
+	}
+	s32int wait() {
+		return sCall(PRIF_OBJTYPE, PRIF_SWAIT, resId());
+	}
+	void autoDelete(bool ad = true) {
+		doCall(PRIF_AUTODELETE, (ad ? 1 : 0));
+	}
+	void pushArg(const String& arg) {
+		doCall(PRIF_PUSHARG, (u32int)&arg);
+	}
+	void setInVT(VirtualTerminal vt) {
+		doCall(PRIF_SETINVT, vt.resId());
+	}
+	void setOutVT(VirtualTerminal vt) {
+		doCall(PRIF_SETOUTVT, vt.resId());
+	}
 };
 
 #endif
diff --git a/Source/Library/Userland/Start.cpp b/Source/Library/Userland/Start.cpp
index be4f81e..930c4dd 100644
--- a/Source/Library/Userland/Start.cpp
+++ b/Source/Library/Userland/Start.cpp
@@ -1,4 +1,5 @@
 #include <types.h>
+#include <Syscall/Syscall.wtf.h>
 #include <Binding/VirtualTerminal.class.h>
 
 #include <Heap.class.h>
@@ -15,14 +16,21 @@ VirtualTerminal invt(0), outvt(0);
 
 int main(const Vector<String>& args);
 
+void doExit(u32int v) {
+	asm volatile("int $66" : : "a"(v));
+}
+
 extern "C" void start() {
 	//Call static constructors
+	u32int i = 0;
     for(u32int * call = &start_ctors; call < &end_ctors; call++) {
         ((void (*)(void))*call)();
     }
 
-	heap.create(0x40000000, 0x00100000, 0x00004000);	//Initially create a 1M heap with 16ko index
+	heap.create(0x40000000, 0x00040000, 0x00004000);	//Initially create a 256ko heap with 16ko index
 	invt = VirtualTerminal::getIn(); outvt = VirtualTerminal::getOut();
+	if (!invt.valid()) doExit(1);
+	if (!outvt.valid()) doExit(2);
 
 	u32int argc = Process::get().argc();
 	Vector<String> args(argc);
@@ -35,7 +43,7 @@ extern "C" void start() {
         ((void (*)(void))*call)();
     }
 
-	asm volatile("int $66" : : "a"(r));
+	doExit(r);
 }
 
 namespace Mem {
-- 
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