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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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5
libc/calls/struct/timespec.internal.h
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@ -6,14 +6,15 @@
COSMOPOLITAN_C_START_
int __sys_utimensat(int, const char *, const struct timespec *, int) hidden;
int sys_clock_getres(int, struct timespec *) hidden;
int sys_clock_gettime(int, struct timespec *) hidden;
int sys_clock_gettime_nt(int, struct timespec *) hidden;
int sys_clock_gettime_xnu(int, struct timespec *) hidden;
int sys_futimens(int, const struct timespec *) hidden;
int sys_nanosleep(const struct timespec *, struct timespec *) hidden;
int sys_utimensat(int, const char *, const struct timespec *, int) hidden;
int sys_clock_gettime_nt(int, struct timespec *) hidden;
int sys_nanosleep_nt(const struct timespec *, struct timespec *) hidden;
int sys_nanosleep_xnu(const struct timespec *, struct timespec *) hidden;
int sys_utimensat(int, const char *, const struct timespec *, int) hidden;
int sys_utimensat_nt(int, const char *, const struct timespec *, int) hidden;
int sys_utimensat_xnu(int, const char *, const struct timespec *, int) hidden;