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5.12 System Status Management Function
Table 5.23 List of System Status Management Function Service Call
System State
No. Service Call Function
TN E D UL
1 rot_rdq
[S][B]
O O O O
2 irot_rdq
[S][B]
Rotates task precedence
O O O O
3 get_tid
[S][B]
O O O O
4 iget_tid
[S]
References task ID in the RUNNING state
O O O O
5 loc_cpu
[S][B]
O O O O O
6 iloc_cpu
[S]
Locks the CPU
O O O O O
7 unl_cpu
[S][B]
O O O O O
8 iunl_cpu
[S]
Unlocks the CPU
O O O O O
9 dis_dsp
[S][B]
Disables dispatching O O O O
10 ena_dsp
[S][B]
Enables dispatching O O O O
11 sns_ctx
[S]
References context O O O O O
12 sns_loc
[S]
References CPU state O O O O O
13 sns_dsp
[S]
References dispatching state O O O O O
14 sns_dpn
[S]
References dispatching pending state O O 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