diff options
Diffstat (limited to 'src/ao.h')
| -rw-r--r-- | src/ao.h | 13 |
1 files changed, 11 insertions, 2 deletions
@@ -40,6 +40,7 @@ /* An AltOS task */ struct ao_task { __xdata void *wchan; /* current wait channel (NULL if running) */ + uint16_t alarm; /* abort ao_sleep time */ uint8_t stack_count; /* amount of saved stack */ uint8_t task_id; /* index in the task array */ __code char *name; /* task name */ @@ -55,8 +56,12 @@ extern __xdata struct ao_task *__data ao_cur_task; ao_task.c */ -/* Suspend the current task until wchan is awoken */ -void +/* Suspend the current task until wchan is awoken. + * returns: + * 0 on normal wake + * 1 on alarm + */ +uint8_t ao_sleep(__xdata void *wchan); /* Wake all tasks sleeping on wchan */ @@ -67,6 +72,10 @@ ao_wakeup(__xdata void *wchan); void ao_wake_task(__xdata struct ao_task *task); +/* set an alarm to go off in 'delay' ticks */ +void +ao_alarm(uint16_t delay); + /* Yield the processor to another task */ void ao_yield(void) _naked; |