diff options
Diffstat (limited to 'share/man/man9/sleep.9')
| -rw-r--r-- | share/man/man9/sleep.9 | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/share/man/man9/sleep.9 b/share/man/man9/sleep.9 index f3b5f6c..0a3cdb3 100644 --- a/share/man/man9/sleep.9 +++ b/share/man/man9/sleep.9 @@ -58,7 +58,8 @@ external event, it is put on sleep by The parameter .Fa ident is an arbitrary address that uniquely identifies the event on which -the process is being asleep. All processes sleeping on a single +the process is being asleep. +All processes sleeping on a single .Fa ident are woken up later by .Fn wakeup , @@ -77,7 +78,8 @@ The function is used to make the first process in the queue that is sleeping on the parameter .Fa ident -runnable. This can prevent the system from becoming saturated +runnable. +This can prevent the system from becoming saturated when a large number of processes are sleeping on the same address, but only one of them can actually do any useful work when made runnable. @@ -98,7 +100,8 @@ If includes the .Dv PCATCH flag, signals are checked before and after sleeping, else signals are -not checked. Returns 0 if awakened, +not checked. +Returns 0 if awakened, .Er EWOULDBLOCK if the timeout expires. If |
