diff options
Diffstat (limited to 'lib')
-rw-r--r-- | lib/libevent/event_base_new.3 | 62 |
1 files changed, 32 insertions, 30 deletions
diff --git a/lib/libevent/event_base_new.3 b/lib/libevent/event_base_new.3 index 51f75b44439..92e8e6c8bb8 100644 --- a/lib/libevent/event_base_new.3 +++ b/lib/libevent/event_base_new.3 @@ -1,4 +1,4 @@ -.\" $OpenBSD: event_base_new.3,v 1.5 2023/04/25 17:57:55 schwarze Exp $ +.\" $OpenBSD: event_base_new.3,v 1.6 2023/04/28 17:31:58 schwarze Exp $ .\" Copyright (c) 2023 Ted Bullock <tbullock@comlore.com> .\" .\" Permission to use, copy, modify, and distribute this software for any @@ -13,7 +13,7 @@ .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. .\" -.Dd $Mdocdate: April 25 2023 $ +.Dd $Mdocdate: April 28 2023 $ .Dt EVENT_BASE_NEW 3 .Os .Sh NAME @@ -37,7 +37,7 @@ The functions .Fn event_base_new and .Fn event_init -allocate memory and initialize an opaque +allocate and initialize an opaque .Vt event_base structure. This structure is used to schedule and monitor events using the operating @@ -80,36 +80,22 @@ pointer access occurs unless otherwise documented. .Pp After calling .Xr fork 2 , -the function +invoke .Fn event_reinit -must be invoked to reset the event queues and any events registered with -the kernel notification method in the +in the child process for each initialized .Vt event_base -structure of the child process. -The function takes a single argument, a pointer to an -.Vt event_base -structure returned by -.Fn event_init -or -.Fn event_base_new . -The behavior is undefined if -.Fa base -is -.Dv NULL . +structure to reset the event queues and any registered events. .Pp The .Fn event_base_free -function releases all resources associated with an -.Vt event_base -structure and is intended to be called after the event loop has been stopped. -If +function releases all resources associated with the .Fa base -is not -.Dv NULL -it is a pointer returned by an earlier call to +structure returned by an earlier call to .Fn event_base_new or .Fn event_init . +It is intended to be called after the event loop has been stopped. +.Pp If .Fn event_init has been used and @@ -186,10 +172,10 @@ report which kernel notification method the returned structure is using. .El .Pp -These environment variables work unless the library detects the program -was executed as either setuid or setgid using -.Xr issetugid 2 . -The value of the environment variables is ignored, even if it is +These environment variables are ignored if +.Xr issetugid 2 +reports that the program was executed as setuid or setgid. +The values of the environment variables are always ignored, even if they are empty or zero. .Sh DIAGNOSTICS Many event library functions report error and diagnostic messages via @@ -293,14 +279,30 @@ The function first appeared in libevent-0.1 and has been available since .Ox 3.2 . .Pp +.Fn event_base_free +first appeared in libevent-1.2 and has been available since +.Ox 4.0 . +.Pp .Fn event_base_new and .Fn event_reinit first appeared in libevent-1.4.1 and have been available since .Ox 4.8 . .Pp -Support for environment variables first appeared in libevent-0.7a and -.Ox 3.6 . +Support for +.Dv EVENT_NOKQUEUE +first appeared in libevent-0.4 and has been available since +.Ox 3.2 . +Support for the other environment variables first appeared in libevent-0.7a. +.Dv EVENT_NOSELECT +and +.Dv EVENT_SHOW_METHOD +have been available since +.Ox 3.4 +and +.Dv EVENT_NOPOLL +since +.Ox 3.5 . .Sh AUTHORS The event library and these functions were written by .An -nosplit |