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Commenting for new function
[tpg/acess2.git]
/
Kernel
/
syscalls.c
diff --git
a/Kernel/syscalls.c
b/Kernel/syscalls.c
index
ba9051a
..
523b3f2
100644
(file)
--- a/
Kernel/syscalls.c
+++ b/
Kernel/syscalls.c
@@
-28,8
+28,10
@@
extern Uint Binary_Load(char *file, Uint *entryPoint);
extern int Threads_SetName(char *NewName);
extern int Threads_GetPID();
extern int Threads_GetTID();
extern int Threads_SetName(char *NewName);
extern int Threads_GetPID();
extern int Threads_GetTID();
-extern int Threads_GetUID();
-extern int Threads_GetGID();
+extern tUID Threads_GetUID();
+extern int Threads_SetUID(Uint *errno, tUID ID);
+extern tGID Threads_GetGID();
+extern int Threads_SetGID(Uint *errno, tGID ID);
// === PROTOTYPES ===
int Syscall_ValidString(Uint Addr);
// === PROTOTYPES ===
int Syscall_ValidString(Uint Addr);
@@
-40,7
+42,7
@@
extern int Threads_GetGID();
void SyscallHandler(tSyscallRegs *Regs)
{
Uint64 ret = 0;
void SyscallHandler(tSyscallRegs *Regs)
{
Uint64 ret = 0;
- Uint err =
0
;
+ Uint err =
-EOK
;
ENTER("iThread iNum", Threads_GetTID(), Regs->Num);
if(Regs->Num < NUM_SYSCALLS)
ENTER("iThread iNum", Threads_GetTID(), Regs->Num);
if(Regs->Num < NUM_SYSCALLS)
@@
-104,8
+106,8
@@
void SyscallHandler(tSyscallRegs *Regs)
case SYS_GETGID: ret = Threads_GetGID(); break;
// -- Set User/Group IDs
case SYS_GETGID: ret = Threads_GetGID(); break;
// -- Set User/Group IDs
- case SYS_SETUID:
Log("Setting User ID to %i", Regs->Arg1);
break;
- case SYS_SETGID:
Log("Setting Group ID to %i", Regs->Arg1);
break;
+ case SYS_SETUID:
ret = Threads_SetUID(&err, Regs->Arg1);
break;
+ case SYS_SETGID:
ret = Threads_SetGID(&err, Regs->Arg1);
break;
// -- Send Message
case SYS_SENDMSG:
// -- Send Message
case SYS_SENDMSG:
@@
-116,9
+118,10
@@
void SyscallHandler(tSyscallRegs *Regs)
// -- Check for messages
case SYS_GETMSG:
CHECK_NUM_NULLOK(Regs->Arg1, sizeof(Uint));
// -- Check for messages
case SYS_GETMSG:
CHECK_NUM_NULLOK(Regs->Arg1, sizeof(Uint));
- //NOTE: Uncertain due to length being unknown
- // (Proc_GetMessage should check itself)
- CHECK_NUM_NULLOK(Regs->Arg2, sizeof(Uint)*4);
+ if( Regs->Arg2 && Regs->Arg2 != -1 && !MM_IsUser(Regs->Arg2) )
+ {
+ err = -EINVAL; ret = -1; break;
+ }
// *Source, *Data
ret = Proc_GetMessage(&err, (Uint*)Regs->Arg1, (void*)Regs->Arg2);
break;
// *Source, *Data
ret = Proc_GetMessage(&err, (Uint*)Regs->Arg1, (void*)Regs->Arg2);
break;
UCC
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