diff options
| -rw-r--r-- | man2/sched_yield.2 | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/man2/sched_yield.2 b/man2/sched_yield.2 index 5e5b45a48..4eb858018 100644 --- a/man2/sched_yield.2 +++ b/man2/sched_yield.2 @@ -48,7 +48,18 @@ is available defined .B _POSIX_PRIORITY_SCHEDULING in .IR <unistd.h> . -.SH NOTES +.SH CAVEATS +.BR sched_yield () +is intended for use with real-time scheduling policies (i.e., +.B SCHED_FIFO +or +.BR SCHED_RR ). +Use of +.BR sched_yield () +with nondeterministic scheduling policies such as +.B SCHED_OTHER +is unspecified and very likely means your application design is broken. +.PP If the calling thread is the only thread in the highest priority list at that time, it will continue to run after a call to @@ -61,16 +72,5 @@ unnecessarily or inappropriately schedulable threads are still held by the caller), since doing so will result in unnecessary context switches, which will degrade system performance. -.PP -.BR sched_yield () -is intended for use with real-time scheduling policies (i.e., -.B SCHED_FIFO -or -.BR SCHED_RR ). -Use of -.BR sched_yield () -with nondeterministic scheduling policies such as -.B SCHED_OTHER -is unspecified and very likely means your application design is broken. .SH SEE ALSO .BR sched (7) |