HomeFreeBSD

_umtx_op: document UMTX_OP_SEM2_WAIT copyout behavior

Description

_umtx_op: document UMTX_OP_SEM2_WAIT copyout behavior

This clever technique to get a time remaining back was added to support sem_clockwait_np.

Reviewed by: kib, vangyzen
MFC after: 1 week
Differential Revision: https://reviews.freebsd.org/D27160

Details

Provenance
kevansAuthored on
Reviewer
kib
Differential Revision
D27160: _umtx_op: document UMTX_OP_SEM2_WAIT copyout behavior
Parents
rS367741: vmem: trivial warning and style fixes.
Branches
Unknown
Tags
Unknown