Fix needless status queue read/writes().
commitc7db2d89a2469057b526846e0b7a46a7915a0767
authorBen Kibbey <bjk@luxsci.net>
Sat, 10 Jan 2015 23:02:51 +0000 (10 18:02 -0500)
committerBen Kibbey <bjk@luxsci.net>
Sat, 10 Jan 2015 23:08:02 +0000 (10 18:08 -0500)
tree7b90c58dfe0570931c73aa35db1aded5393d3758
parent4b440ff40efb1744ff27ac58cc4a3a7f38f9bb5b
Fix needless status queue read/writes().

Flag the status message pipe as already written instead of doing writes
when only one is read leaving the read end of the pipe waiting to be
read again.
src/common.h
src/pwmd.c
src/status.c