Module Name: src
Committed By: kamil
Date: Wed Jun 12 00:05:48 UTC 2019
Modified Files:
src/lib/libc/gen: posix_spawn.3
Log Message:
Document that posix_spawn(3) uses a dedicated syscall
vfork+exec operations are done in one go. This is important information for
programs that wrap posix_spawn(3).
To generate a diff of this commit:
cvs rdiff -u -r1.8 -r1.9 src/lib/libc/gen/posix_spawn.3
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Modified files:
Index: src/lib/libc/gen/posix_spawn.3
diff -u src/lib/libc/gen/posix_spawn.3:1.8 src/lib/libc/gen/posix_spawn.3:1.9
--- src/lib/libc/gen/posix_spawn.3:1.8 Tue Jun 11 12:49:21 2019
+++ src/lib/libc/gen/posix_spawn.3 Wed Jun 12 00:05:48 2019
@@ -1,4 +1,4 @@
-.\" $NetBSD: posix_spawn.3,v 1.8 2019/06/11 12:49:21 wiz Exp $
+.\" $NetBSD: posix_spawn.3,v 1.9 2019/06/12 00:05:48 kamil Exp $
.\"
.\" Copyright (c) 2008 Ed Schouten <[email protected]>
.\" All rights reserved.
@@ -315,6 +315,11 @@ had been called by the child process to
This implementation does not run
.Xr pthread_atfork 3
callbacks.
+The
+.Xr vfork 2
+and
+.Xr exec 3
+operations are implemented as a single syscall.
.Sh RETURN VALUES
Upon successful completion,
.Fn posix_spawn
