CVS commit: xsrc/external/mit/libxshmfence/dist/src

["Tobias Nygren" <tnn%netbsd.org@localhost>]

Module Name:    xsrc
Committed By:   tnn
Date:           Sun Feb 23 23:18:01 UTC 2020

Modified Files:
        xsrc/external/mit/libxshmfence/dist/src: xshmfence_semaphore.c
            xshmfence_semaphore.h

Log Message:
sync from pkgsrc:

> libxshmfence: improve performance of semaphore backend. Bump rev.
>
> It used more locking than necessary. We only need two semaphores.
> One to tell waiters to wake up and one to let the last waiter that
> wakes up notify xshmfence_trigger() it may now return.


To generate a diff of this commit:
cvs rdiff -u -r1.1 -r1.2 \
    xsrc/external/mit/libxshmfence/dist/src/xshmfence_semaphore.c \
    xsrc/external/mit/libxshmfence/dist/src/xshmfence_semaphore.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.