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| author | Bruno Haible <bruno@clisp.org> | 2023-03-08 17:00:48 +0100 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2023-03-08 17:01:54 +0100 |
| commit | cbc0c1cda32bbcfab3ed0391cb9cfde444323571 (patch) | |
| tree | e0a312f54ebc5cfad764e3a869fcf4b23f4563bc /doc | |
| parent | 3ef8e9910ae8f0e5d63cff8f37e22bb5aa9109ae (diff) | |
| download | gnulib-cbc0c1cda32bbcfab3ed0391cb9cfde444323571.tar.gz | |
time: New module.
* lib/time.in.h (time): New declaration.
* lib/time.c: New file.
* m4/time_h.m4 (gl_TIME_H_REQUIRE_DEFAULTS): Initialize GNULIB_TIME.
(gl_TIME_H_DEFAULTS): Initialize REPLACE_TIME.
* m4/time.m4: New file.
* modules/time-h (Makefile.am): Substitute GNULIB_TIME, REPLACE_TIME.
* modules/time: New file.
* tests/test-time-h-c++.cc: Check the signature of
GNULIB_NAMESPACE::time.
* doc/posix-functions/time.texi: Mention the glibc problem and the
'time' module.
Diffstat (limited to 'doc')
| -rw-r--r-- | doc/posix-functions/time.texi | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/doc/posix-functions/time.texi b/doc/posix-functions/time.texi index 765de7aa2a..a8e9abcddf 100644 --- a/doc/posix-functions/time.texi +++ b/doc/posix-functions/time.texi @@ -4,10 +4,18 @@ POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/time.html} -Gnulib module: --- +Gnulib module: time Portability problems fixed by Gnulib: @itemize +@item +This function is not consistent with @code{gettimeofday} and @code{timespec_get} +on some platforms: +@c https://sourceware.org/bugzilla/show_bug.cgi?id=30200 +glibc 2.31 or newer on Linux. +Namely, in the first 1 to 2.5 milliseconds of every second, @code{time} +returns a value that is one less than the @code{tv_sec} part of the return +value of @code{gettimeofday} or @code{timespec_get}. @end itemize Portability problems not fixed by Gnulib: |