svn commit: r311646 - head/sys/sys
Konstantin Belousov
kib at FreeBSD.org
Sat Jan 7 12:24:46 UTC 2017
Author: kib
Date: Sat Jan 7 12:24:45 2017
New Revision: 311646
URL: https://svnweb.freebsd.org/changeset/base/311646
Log:
Define _POSIX_PRIORITY_SCHEDULING as 0.
sched_*(2) syscalls might be not available at runtime. Defining this
constant as zero directs POSIX-compliant code to call sysconf(3) to
detect the feature at runtime, and forces libc sysconf(3) to ask
kernel.
Noted by: ngie
Reviewed by: jilles, ngie
Sponsored by: The FreeBSD Foundation
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D9055
Modified:
head/sys/sys/unistd.h
Modified: head/sys/sys/unistd.h
==============================================================================
--- head/sys/sys/unistd.h Sat Jan 7 12:04:30 2017 (r311645)
+++ head/sys/sys/unistd.h Sat Jan 7 12:24:45 2017 (r311646)
@@ -65,7 +65,7 @@
#define _POSIX_MONOTONIC_CLOCK 200112L
#define _POSIX_NO_TRUNC 1
#define _POSIX_PRIORITIZED_IO (-1)
-#define _POSIX_PRIORITY_SCHEDULING 200112L
+#define _POSIX_PRIORITY_SCHEDULING 0
#define _POSIX_RAW_SOCKETS 200112L
#define _POSIX_REALTIME_SIGNALS 200112L
#define _POSIX_SEMAPHORES 200112L
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