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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 Dependen t 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_t sk
[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