Author: brooks Date: Wed Jul 20 18:02:07 2016 New Revision: 303104 URL: https://svnweb.freebsd.org/changeset/base/303104
Log: Update to reflect the fact that pipe() is a wrapper around the pipe2() system call. Reviewed by: jhb, wblock MFC after: 5 days Sponsored by: DAPRA, AFRL Differential Revision: https://reviews.freebsd.org/D6948 Modified: head/lib/libc/sys/pipe.2 Modified: head/lib/libc/sys/pipe.2 ============================================================================== --- head/lib/libc/sys/pipe.2 Wed Jul 20 18:00:22 2016 (r303103) +++ head/lib/libc/sys/pipe.2 Wed Jul 20 18:02:07 2016 (r303104) @@ -28,7 +28,7 @@ .\" @(#)pipe.2 8.1 (Berkeley) 6/4/93 .\" $FreeBSD$ .\" -.Dd June 22, 2016 +.Dd July 20, 2016 .Dt PIPE 2 .Os .Sh NAME @@ -109,6 +109,18 @@ The bidirectional nature of this impleme portable to older systems, so it is recommended to use the convention for using the endpoints in the traditional manner when using a pipe in one direction. +.Sh IMPLEMENTATION NOTES +The +.Fn pipe +function calls the +.Fn pipe2 +system call. +As a result, system call traces such as those captured by +.Xr dtrace 1 +or +.Xr ktrace 1 +will show calls to +.Fn pipe2 . .Sh RETURN VALUES .Rv -std pipe .Sh ERRORS @@ -157,3 +169,10 @@ The .Fn pipe2 function appeared in .Fx 10.0 . +.Pp +The +.Fn pipe +function became a wrapper around +.Fn pipe2 +in +.Fx 11.0 . _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
