| 18,11 → 18,11 |
|---|
| |
| /** |
| ------------ |
| CVS : $Id: join.c,v 1.3 2003-01-07 17:07:49 pj Exp $ |
| CVS : $Id: join.c,v 1.4 2003-11-05 15:05:11 giacomo Exp $ |
| |
| File: $File$ |
| Revision: $Revision: 1.3 $ |
| Last update: $Date: 2003-01-07 17:07:49 $ |
| Revision: $Revision: 1.4 $ |
| Last update: $Date: 2003-11-05 15:05:11 $ |
| ------------ |
| |
| task join and related primitives |
| 199,12 → 199,14 |
|---|
| returns ESRCH if p is non correct +*/ |
| int task_joinable(PID p) |
| { |
| SYS_FLAGS f; |
| |
| if (p<0 || p>=MAX_PROC) return ESRCH; |
| if (proc_table[p].status == FREE) return ESRCH; |
| |
| kern_cli(); |
| f = kern_fsave(); |
| proc_table[p].control |= TASK_JOINABLE; |
| kern_sti(); |
| kern_frestore(f); |
| return 0; |
| } |
| |
| 215,19 → 217,21 |
|---|
| ESRCH if p is not correct +*/ |
| int task_unjoinable(PID p) |
| { |
| SYS_FLAGS f; |
| |
| if (p<0 || p>=MAX_PROC) return ESRCH; |
| if (proc_table[p].status == FREE) return ESRCH; |
| |
| kern_cli(); |
| f = kern_fsave(); |
| |
| if (!(proc_table[p].control & TASK_JOINABLE) || |
| proc_table[p].waiting_for_me != NIL) { |
| kern_sti(); |
| kern_frestore(f); |
| return EINVAL; |
| } |
| |
| proc_table[p].control |= TASK_JOINABLE; |
| |
| kern_sti(); |
| kern_frestore(f); |
| return 0; |
| } |