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-rw-r--r--lib/libevent/event_base_new.362
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