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| author | Bruno Haible <bruno@clisp.org> | 2021-03-07 01:58:10 +0100 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2021-03-07 11:01:52 +0100 |
| commit | 212f0b69ab67a4d6230c2ab85e28c2f54b31060c (patch) | |
| tree | b3d596e169b3351a012a15ea1d632e6e5e5889b4 /m4 | |
| parent | 7ea7c3e27964aaf699ca737b11e2edea289f9ed2 (diff) | |
| download | gnulib-212f0b69ab67a4d6230c2ab85e28c2f54b31060c.tar.gz | |
unlocked-io-internal: New module.
* m4/unlocked-io.m4 (gl_FUNC_GLIBC_UNLOCKED_IO): Don't define
USE_UNLOCKED_IO here.
* modules/unlocked-io-internal: New file, based on modules/unlocked-io.
* modules/unlocked-io (Description): Clarify.
(Files, Depends-on): Just use the unlocked-io-internal module.
(configure.ac): Define GNULIB_STDIO_SINGLE_THREAD and USE_UNLOCKED_IO
here.
* doc/multithread.texi: Clarify when the 'unlocked-io' module can be
used.
Diffstat (limited to 'm4')
| -rw-r--r-- | m4/unlocked-io.m4 | 7 |
1 files changed, 1 insertions, 6 deletions
diff --git a/m4/unlocked-io.m4 b/m4/unlocked-io.m4 index a2dc8a144a..b689020ff4 100644 --- a/m4/unlocked-io.m4 +++ b/m4/unlocked-io.m4 @@ -1,4 +1,4 @@ -# unlocked-io.m4 serial 15 +# unlocked-io.m4 serial 16 # Copyright (C) 1998-2006, 2009-2021 Free Software Foundation, Inc. # @@ -16,11 +16,6 @@ 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]) |