2011/10/13 Haozhong Zhang snowzh8...@gmail.com:
Hi,
I'm recently reading the code of sched_ule in freebsd 8.2.0 and have two
questions.
1. sched_switch() (in sched_ule.c) invokes cpu_switch() (at line 1852) and
thread_unblock_switch() (at line 1867). These two functions exchange
td-td_lock
Hi,
I'm recently reading the code of sched_ule in freebsd 8.2.0 and have two
questions.
1. sched_switch() (in sched_ule.c) invokes cpu_switch() (at line 1852) and
thread_unblock_switch() (at line 1867). These two functions exchange
td-td_lock and mtx. What are the purposes of these exchanges?
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