[sr-dev] The recursive lock of tm module is not safe?

[progrom]

Hi：

See lock_hash in h_table.c:

Flowing lines of code do not guarantee atomicity and I think it is not safe:

-      atomic_get(&_tm_table->entries[i].locker_pid) != mypid

-      lock(&_tm_table->entries[i].mutex)

-      atomic_set(&_tm_table->entries[i].locker_pid, mypid)

Would you mind solving my confusion?
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