* doc/make.texi: Clarify that the jobserver pipe is "blocking"

This commit is contained in:
Paul Smith 2019-09-06 21:18:48 -04:00
parent 9da708772c
commit 9be3c0e2b2

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@ -11625,7 +11625,8 @@ On POSIX systems the jobserver is implemented as a simple UNIX pipe.
The pipe will be pre-loaded with one single-character token for each
available job. To obtain an extra slot you must read a single
character from the jobserver pipe; to release a slot you must write a
single character back into the jobserver pipe.
single character back into the jobserver pipe. Note that the read
side of the jobserver pipe is set to ``blocking'' mode.
To access the pipe you must parse the @code{MAKEFLAGS} variable and
look for the argument string @code{--jobserver-auth=R,W} where