src/lib/libc/sys/pipe.c, branch stable/13 FreeBSD source tree Remove $FreeBSD$: two-line .h pattern 2023-08-23T17:43:21+00:00 Warner Losh imp@FreeBSD.org 2023-08-22T01:31:07+00:00 17da660ad5b3b9cd90e164dd4dbb9beaa7203054 Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/ Similar commit in main: (cherry picked from commit b3e7694832e8) 
Remove /^\s*\*\n \*\s+\$FreeBSD\$$\n/

Similar commit in main:
(cherry picked from commit b3e7694832e8)
Replace use of the pipe(2) system call with pipe2(2) with a zero flags 2016-06-22T21:11:27+00:00 Brooks Davis brooks@FreeBSD.org 2016-06-22T21:11:27+00:00 b60998c6331e2be21f1fc29fa6c82d94a1f72ef0 value. This eliminates the need for machine dependant assembly wrappers for pipe(2). It also make passing an invalid address to pipe(2) return EFAULT rather than triggering a segfault. Document this behavior (which was already true for pipe2(2), but undocumented). Reviewed by: andrew Approved by: re (gjb) Sponsored by: DARPA, AFRL Differential Revision: https://reviews.freebsd.org/D6815 
value.

This eliminates the need for machine dependant assembly wrappers for
pipe(2).

It also make passing an invalid address to pipe(2) return EFAULT rather
than triggering a segfault.  Document this behavior (which was already
true for pipe2(2), but undocumented).

Reviewed by:	andrew
Approved by:	re (gjb)
Sponsored by:	DARPA, AFRL
Differential Revision:	https://reviews.freebsd.org/D6815