More work on syscalls : userland applications can run other apps.

3 files changed, 42 insertions, 2 deletions

diff --git a/Source/Library/Interface/Process.iface.h b/Source/Library/Interface/Process.iface.h
index 52543aa..0152947 100644
--- a/Source/Library/Interface/Process.iface.h
+++ b/Source/Library/Interface/Process.iface.h
@@ -1,10 +1,14 @@
 #ifndef DEF_PROCESS_IFACE_H
 #define DEF_PROCESS_IFACE_H
 
+#define E_AUTODELETE 0x0FFFFF03
+
 #define PRIF_OBJTYPE 0x20
 
 //S = static, GET = get, C = current, PR = process
 #define PRIF_SGETCPR 0
+#define PRIF_SRUN 1
+#define PRIF_SWAIT 2
 
 #define PRIF_EXIT 0x01
 #define PRIF_ALLOCPAGE 0x02
@@ -15,4 +19,10 @@
 #define PRIF_ARGC 0x10
 #define PRIF_ARGV 0x11
 
+#define PRIF_START 0x20
+#define PRIF_AUTODELETE 0x21
+#define PRIF_PUSHARG 0x28
+#define PRIF_SETOUTVT 0x29
+#define PRIF_SETINVT 0x30
+
 #endif
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 {