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Previously, the timer was used to remember the state of the time slices. This was sufficient before priorities entered the scene as a thread always received a fresh time slice when he was scheduled away. However, with priorities this isn't always the case. A thread can be preempted by another thread due to a higher priority. In this case the low-priority thread must remember how much time he has consumed from its current time slice because the timer gets re-programmed. Otherwise, if we have high-priority threads that block and unblock with high frequency, the head of the next lower priority would start with a fresh time slice all the time and is never superseded. fix #1287 |
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| .. | ||
| 32bit/base | ||
| 64bit/base | ||
| arm | ||
| base | ||
| cap_session | ||
| cpu | ||
| cpu_session | ||
| dataspace | ||
| drivers | ||
| io_mem_session | ||
| io_port_session | ||
| irq_session | ||
| log_session | ||
| pager | ||
| parent | ||
| pd_session | ||
| platform | ||
| platform_exynos5 | ||
| ram_session | ||
| rm_session | ||
| rom_session | ||
| root | ||
| session | ||
| signal_session | ||
| thread | ||
| trace_session | ||
| util | ||
| x86/cpu | ||
| x86_32/cpu | ||
| x86_64/cpu | ||
| README | ||
This directory contains include files of interfaces that are exported by components to be used by other components. Each subdirectory corresponds to the component exporting the interface.