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Improve quality of our ANSI C clock() function

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It now works most excellently across all supported operating
sytsems (earlier it didn't work on NT and XNU). Demo code is
available in examples/clock.c and this change also adds some
of the newer ANSI C time functions like timespec_get(), plus
timespec_getres() which hasn't even come out yet as it's C23
This commit is contained in:
Justine Tunney 2022-09-05 21:43:49 -07:00
parent 7ff0ea8c13
commit 12d9e1e128
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GPG key ID: BE714B4575D6E328
24 changed files with 254 additions and 76 deletions
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libc/calls/calls.mk
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@ -184,9 +184,11 @@ o//libc/calls/statfs2cosmo.o: private \
# we always want -O2 because:
# division is expensive if not optimized
o/$(MODE)/libc/calls/clock.o \
o/$(MODE)/libc/calls/_timespec_tomillis.o \
o/$(MODE)/libc/calls/_timespec_tomicros.o \
o/$(MODE)/libc/calls/_timespec_totimeval.o \
o/$(MODE)/libc/calls/_timespec_fromnanos.o \
o/$(MODE)/libc/calls/_timespec_frommillis.o \
o/$(MODE)/libc/calls/_timespec_frommicros.o: private \
OVERRIDE_CFLAGS += \