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/freebsd-10.1-release/sys/kern/ | ||
H A D | kern_lock.c | diff 48301 Mon Jun 28 05:54:58 MDT 1999 mckusick When requesting an exclusive lock with LK_NOWAIT, do not panic if LK_RECURSIVE is not set, as we will simply return that the lock is busy and not actually deadlock. This allows processes to use polling locks against buffers that they may already hold exclusively locked. |
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