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author | Paul Eggert <eggert@cs.ucla.edu> | 2004-10-04 20:17:39 +0000 |
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committer | Paul Eggert <eggert@cs.ucla.edu> | 2004-10-04 20:17:39 +0000 |
commit | 917752adb19961999cd68c6c961efffe33c85141 (patch) | |
tree | 425bfa28f1f3290b2e55bf145f4d3d92bfab665a /m4/unlocked-io.m4 | |
parent | 0259a3cf21ed6cdc578de653002918105b27d5bf (diff) | |
download | gnulib-917752adb19961999cd68c6c961efffe33c85141.tar.gz |
Remove dependencies on unlocked-io.
Diffstat (limited to 'm4/unlocked-io.m4')
-rw-r--r-- | m4/unlocked-io.m4 | 24 |
1 files changed, 23 insertions, 1 deletions
diff --git a/m4/unlocked-io.m4 b/m4/unlocked-io.m4 index cd1c5f4ef7..5849e4a3ae 100644 --- a/m4/unlocked-io.m4 +++ b/m4/unlocked-io.m4 @@ -1,4 +1,21 @@ -#serial 9 +# unlocked-io.m4 serial 10 + +# Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004 Free Software +# Foundation, Inc. + +# This program is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2, or (at your option) +# any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software Foundation, +# Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. dnl From Jim Meyering. dnl @@ -10,6 +27,11 @@ dnl on Solaris 2.6). AC_DEFUN([gl_FUNC_GLIBC_UNLOCKED_IO], [ + AC_DEFINE([USE_UNLOCKED_IO], 1, + [Define to 1 if you want getc etc. to use unlocked I/O if available. + Unlocked I/O can improve performance in unithreaded apps, + but it is not safe for multithreaded apps.]) + dnl Persuade glibc and Solaris <stdio.h> to declare dnl fgets_unlocked(), fputs_unlocked() etc. AC_REQUIRE([gl_USE_SYSTEM_EXTENSIONS]) |