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5.2 Task Dependent Synchronization Function
Specifications of the task-dependent synchronization function are listed in below.
Table 5.3 Specifications of the Task Dependent Synchronization Function
No.
Item
Content
1
Maximum value of task wakeup request count
255
2
Maximum number of nested forcible task wait requests count
1
Table 5.4 List of Task Dependent Synchronization Service Call
System State
No. Service
Call
Function
T N E D
U L
1 slp_tsk
[S][B]
Puts task to sleep
O
O
O
2 tslp_tsk
[S]
Puts task to sleep (with timeout)
O
O
O
3 wup_tsk
[S][B]
O O
O
O
4 iwup_tsk
[S][B]
O
O
O
O
5 can_wup
[B]
O O
O
O
6 ican_wup
O
O
O
O
7 rel_wai
[S][B]
O O
O
O
8 irel_wai
[S][B]
Releases task from waiting
O
O
O
O
9 sus_tsk
[S][B]
O O
O
O
10 isus_tsk
Suspends task
O
O
O
O
11 rsm_tsk
[S][B]
O O
O
O
12 irsm_tsk
Wakes up task
O
O
O
O
13 frsm_tsk
[S]
O O
O
O
14 ifrsm_tsk
Cancels wakeup request
O
O
O
O
15 dly_tsk
[S][B]
Delays task
O
O
O
Notes:
•
[S]: Standard profile service calls
[B]: Basic profile service calls
•
Each sign within " System State " is a following meaning.
♦
T: Can be called from task context
♦
N: Can be called from non-task context
♦
E: Can be called from dispatch-enabled state
♦
D: Can be called from dispatch-disabled state
♦
U: Can be called from CPU-unlocked state
♦
L: Can be called from CPU-locked state
