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authorZack Weinberg <zackw@panix.com>2019-09-04 16:51:23 +0000
committerAdhemerval Zanella <adhemerval.zanella@linaro.org>2019-10-30 17:11:10 -0300
commit2b5fea833bcd0f651579afd16ed7842770ecbae1 (patch)
tree1da4cec5abfb962a083d4c1b520a222f7ba5e30d /NEWS
parentf9a7554009cf38f390e74fcabc5b49f974f72382 (diff)
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Consolidate and deprecate ftime
ftime is an obsolete variation on gettimeofday, offering only millisecond time resolution; it was probably a system call in ooold versions of BSD Unix. For historic reasons, we had three implementations of it. These are all consolidated into time/ftime.c, and then the function is deprecated. For some reason, the implementation of ftime in terms of gettimeofday was rounding rather than truncating microseconds to milliseconds. In all the other places where we use a higher-resolution time function to implement a lower-resolution one, we truncate. ftime is changed to match, just for tidiness' sake. Like gettimeofday, ftime tries to report the time zone, and using that information is always a bug. This patch dummies out the reported timezone information; the timezone and dstflag fields of the returned "struct timeb" will always be zero. Checked on x86_64-linux-gnu, i686-linux-gnu, powerpc64le-linux-gnu, powerpc64-linux-gnu, and powerpc-linux-gnu. Co-authored-by: Adhemerval Zanella <adhemerval.zanella@linaro.org> Reviewed-by: Lukasz Majewski <lukma@denx.de>
Diffstat (limited to 'NEWS')
-rw-r--r--NEWS3
1 files changed, 3 insertions, 0 deletions
diff --git a/NEWS b/NEWS
index b066c75..7e9d36e 100644
--- a/NEWS
+++ b/NEWS
@@ -58,6 +58,9 @@ Deprecated and removed features, and other changes affecting compatibility:
settimeofday available to newly linked binaries after there is a
replacement for Linux's time-zone-like offset API.
+* The obsolete functions ftime has been deprecated and will be removed from
+ a future version of glibc. Application should use clock_gettime instead.
+
Changes to build and runtime requirements:
[Add changes to build and runtime requirements here]