diff options
| author | grog <grog@FreeBSD.org> | 2007-02-27 05:39:22 +0000 |
|---|---|---|
| committer | grog <grog@FreeBSD.org> | 2007-02-27 05:39:22 +0000 |
| commit | 128ac1d5958eb05b5b0c08882c80a3f90ef76d1b (patch) | |
| tree | 38f7f59755f42f7106fd3231f5eab0f022312c6b /share/man/man9/sleep.9 | |
| parent | a94865a5ece16616f8b180b20917c4761c44304b (diff) | |
| download | FreeBSD-src-128ac1d5958eb05b5b0c08882c80a3f90ef76d1b.zip FreeBSD-src-128ac1d5958eb05b5b0c08882c80a3f90ef76d1b.tar.gz | |
Update HISTORY.
Reviewed by: dmr
Diffstat (limited to 'share/man/man9/sleep.9')
| -rw-r--r-- | share/man/man9/sleep.9 | 25 |
1 files changed, 14 insertions, 11 deletions
diff --git a/share/man/man9/sleep.9 b/share/man/man9/sleep.9 index 5bfa970..539d49d 100644 --- a/share/man/man9/sleep.9 +++ b/share/man/man9/sleep.9 @@ -212,15 +212,24 @@ See above. .Xr malloc 9 , .Xr mi_switch 9 .Sh HISTORY -The sleep/wakeup thread synchronization mechanism is very old. -It -appeared in a very early version of -.Ux . +The functions +.Fn sleep +and +.Fn wakeup +was present in +.At v1 . +They were probably also present in the preceding +PDP-7 version of UNIX. +They were the basic process synchronization model. .Pp The .Fn tsleep function appeared in -.Bx 4.4 . +.Bx 4.4 +and added the parameters +.Fa wmesg +and +.Fa timo . The .Fn wakeup_one function appeared in @@ -238,12 +247,6 @@ function appeared in function appeared in .Fx 7.0 . .Pp -The -.Fn sleep -function used to be the traditional form. -It did not let you specify a timeout or a -.Fa wmesg , -hence it was discontinued. .Sh AUTHORS .An -nosplit This manual page was written by |
