Date: Wed, 22 Jul 2020 21:06:32 +0000 (UTC) From: Brooks Davis <brooks@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org Subject: svn commit: r363432 - stable/12/lib/libc/gen Message-ID: <202007222106.06ML6WNp063972@repo.freebsd.org>
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Author: brooks Date: Wed Jul 22 21:06:32 2020 New Revision: 363432 URL: https://svnweb.freebsd.org/changeset/base/363432 Log: MFC r363228: Don't imply that all action values can be OR'd. This is neither POSIX compliant nor what the implementation does. This could be allowed by changing the value of TCSAFLUSH from 2 to 3, but that doesn't seem worthwhile after 25+ years. Reviewed by: imp Sponsored by: DARPA Differential Revision: https://reviews.freebsd.org/D25659 Modified: stable/12/lib/libc/gen/tcsetattr.3 Directory Properties: stable/12/ (props changed) Modified: stable/12/lib/libc/gen/tcsetattr.3 ============================================================================== --- stable/12/lib/libc/gen/tcsetattr.3 Wed Jul 22 20:15:21 2020 (r363431) +++ stable/12/lib/libc/gen/tcsetattr.3 Wed Jul 22 21:06:32 2020 (r363432) @@ -28,7 +28,7 @@ .\" @(#)tcsetattr.3 8.3 (Berkeley) 1/2/94 .\" $FreeBSD$ .\" -.Dd January 2, 1994 +.Dd July 15, 2020 .Dt TCSETATTR 3 .Os .Sh NAME @@ -221,8 +221,7 @@ termios structure referenced by .Fa tp . The .Fa action -argument is created by -.Em or Ns 'ing +argument is one of the following values, as specified in the include file .In termios.h . .Bl -tag -width "TCSADRAIN" @@ -240,18 +239,20 @@ The change occurs after all output written to .Fa fd has been transmitted to the terminal. Additionally, any input that has been received but not read is discarded. -.It Fa TCSASOFT -If this value is -.Em or Ns 'ed -into the +.El +.Pp +The .Fa action -value, the values of the +may be modified by +.Em or Ns 'ing +in +.Fa TCSASOFT +which causes the values of the .Va c_cflag , .Va c_ispeed , and .Va c_ospeed -fields are ignored. -.El +fields to be ignored. .Pp The 0 baud rate is used to terminate the connection. If 0 is specified as the output speed to the function
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