| 53,6 → 53,9 |
|---|
| |
| #define POSIXSTAR_CHANGE_LEVEL 1 |
| |
| /* flags */ |
| #define POSIXSTAR_FLAG_NOPREEMPT 4 |
| |
| /*+ the level redefinition for the Round Robin level +*/ |
| typedef struct { |
| level_des l; /*+ the standard level descriptor +*/ |
| 72,6 → 75,8 |
|---|
| |
| int budget[MAX_PROC]; |
| |
| int flag[MAX_PROC]; |
| |
| PID activated; |
| int scheduling_level; |
| int cap_lev; |
| 98,6 → 103,10 |
|---|
| |
| int prio; |
| |
| |
| /* check if the task is preempteble or not */ |
| if (lev->flag[lev->activated] & POSIXSTAR_FLAG_NOPREEMPT) return; |
| |
| prio = lev->maxpriority; |
| |
| for (;;) { |
| 209,7 → 218,8 |
|---|
| proc_table[p].avail_time = lev->slice; |
| proc_table[p].wcet = lev->slice; |
| } |
| |
| |
| lev->flag[p] = 0; |
| #if defined POSIXSTAR_DEBUG |
| kern_printf("(slice %d)", proc_table[p].wcet); |
| #endif |
| 599,3 → 609,17 |
|---|
| return 0; |
| } |
| |
| |
| void POSIXSTAR_set_nopreemtive_current(LEVEL l) { |
| |
| POSIXSTAR_level_des *lev = (POSIXSTAR_level_des *)(level_table[l]); |
| |
| lev->flag[lev->activated]|=POSIXSTAR_FLAG_NOPREEMPT; |
| } |
| |
| void POSIXSTAR_unset_nopreemtive_current(LEVEL l) { |
| |
| POSIXSTAR_level_des *lev = (POSIXSTAR_level_des *)(level_table[l]); |
| |
| lev->flag[lev->activated]&=~POSIXSTAR_FLAG_NOPREEMPT; |
| } |