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authorJoseph Myers <joseph@codesourcery.com>2021-05-17 20:55:21 +0000
committerJoseph Myers <joseph@codesourcery.com>2021-05-17 20:55:21 +0000
commite5ac7bd679de52f70b52b2d0c2135de8d57cba8c (patch)
treefbdc25a5d8de6301c5bdd0131a5d9ee38697f6db /time/Versions
parentc6b6b4f2c7ff62abf5da617bff9d8080631993c0 (diff)
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Add C2X timespec_getres
ISO C2X adds a timespec_getres function alongside the C11 timespec_get, with functionality similar to that of POSIX clock_getres (including allowing a NULL pointer to be passed to the function). Implement this function for glibc, similarly to the implementation of timespec_get. This includes a basic test like that of timespec_get, but no documentation in the manual, given that TIME_UTC and timespec_get aren't documented in the manual at all. The handling of 64-bit time follows that in timespec_get; people maintaining patch series for 64-bit time will need to update them accordingly (to export __timespec_getres64, redirect calls in time.h and run the test for _TIME_BITS=64). Tested for x86_64 and x86, and (previous version; only testcase differs) with build-many-glibcs.py.
Diffstat (limited to 'time/Versions')
-rw-r--r--time/Versions3
1 files changed, 3 insertions, 0 deletions
diff --git a/time/Versions b/time/Versions
index df22ac7..69dad1e 100644
--- a/time/Versions
+++ b/time/Versions
@@ -74,6 +74,9 @@ libc {
clock_getres; clock_gettime; clock_settime; clock_getcpuclockid;
clock_nanosleep;
}
+ GLIBC_2.34 {
+ timespec_getres;
+ }
GLIBC_PRIVATE {
# same as clock_gettime; used in other libraries
__clock_gettime;