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comparison kernel/syscall.c3 @ 402:0fb6633c42f6

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Moved several files to logical locations
author Windel Bouwman
date Thu, 19 Feb 2015 00:13:07 +0100
parents kernel/src/syscall.c3@6ae782a085e0
children ad6be5454067
comparison
equal deleted inserted replaced
401:994c00d55fd5 402:0fb6633c42f6
1 module syscall;
2
3 /*
4 This module handles all the system calls from user space.
5 */
6
7 import arch;
8 import scheduler;
9 import process;
10
11
12 /* System call numbers:
13 */
14 const int SendMsg = 1;
15 const int ReceiveMsg = 2;
16 const int Reboot = 3;
17
18
19 // System call handlers. System calls are made from user space.
20 function void handle_system_call(int callId, int a, int b)
21 {
22 // Main entry, check what to do here
23 if (callId == SendMsg)
24 {
25 handle_send_msg();
26 var process.process_t* proc;
27 proc = process.byId(a);
28 // proc.setMessage();
29 // scheduler.current.setState(Sleep);
30 }
31 else
32 {
33 if (callId == 2)
34 {
35 handle_recv_msg();
36 }
37 else
38 {
39 if (callId == 3)
40 {
41 //arch.reboot();
42 }
43 else
44 {
45 return 2;
46 }
47 }
48 }
49
50 return 0;
51 }
52
53 // Handle send message syscall
54 function void handle_send_msg()
55 {
56 }
57
58 function void handle_recv_msg()
59 {
60 // Block until we have a message
61 //currentProc->setState(Sleep);
62 //scheduler.executeNext();
63 }
64