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add clock_gettime for macos 10.11 and earlier

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This commit is contained in:
Brent Cook 2018-03-22 20:50:24 -05:00
parent 78600e9bec
commit 987aa6a084
5 changed files with 47 additions and 4 deletions
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6
apps/openssl/Makefile.am
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@ -74,6 +74,12 @@ openssl_SOURCES += compat/poll_win.c
endif
endif
if !HAVE_CLOCK_GETTIME
if HOST_DARWIN
openssl_SOURCES += compat/clock_gettime_osx.c
endif
endif
if !HAVE_STRTONUM
openssl_SOURCES += compat/strtonum.c
endif

26
apps/openssl/compat/clock_gettime_osx.c Normal file
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@ -0,0 +1,26 @@
#include <time.h>
#include <mach/mach_time.h>
#define ORWL_NANO (+1.0E-9)
#define ORWL_GIGA UINT64_C(1000000000)
int
clock_gettime(clock_id_t clock_id, struct timespec *tp)
{
static double orwl_timebase = 0.0;
static uint64_t orwl_timestart = 0;
if (!orwl_timestart) {
mach_timebase_info_data_t tb = { 0 };
mach_timebase_info(&tb);
orwl_timebase = tb.numer;
orwl_timebase /= tb.denom;
orwl_timestart = mach_absolute_time();
}
double diff = (mach_absolute_time() - orwl_timestart) * orwl_timebase;
tp->tv_sec = diff * ORWL_NANO;
tp->tv_nsec = diff - (tp->tv_sec * ORWL_GIGA);
return 0;
}

4
include/compat/sys/time.h
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@ -13,10 +13,6 @@ int gettimeofday(struct timeval *tp, void *tzp);
#include_next <sys/time.h>
#endif
#ifndef CLOCK_MONOTONIC
#define CLOCK_MONOTONIC CLOCK_REALTIME
#endif
#ifndef timersub
#define timersub(tvp, uvp, vvp) \
do { \

13
include/compat/time.h
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@ -22,6 +22,19 @@ struct tm *__gmtime_r(const time_t * t, struct tm * tm);
time_t timegm(struct tm *tm);
#endif
#ifndef CLOCK_MONOTONIC
#define CLOCK_MONOTONIC CLOCK_REALTIME
#endif
#ifndef CLOCK_REALTIME
#define CLOCK_REALTIME 0
#endif
#ifndef HAVE_CLOCK_GETTIME
int
clock_gettime(clockid_t clock_id, struct timespec *tp);
#endif
#ifndef timespecsub
#define timespecsub(tsp, usp, vsp) \
do { \

2
m4/check-libc.m4
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@ -131,6 +131,8 @@ AC_SEARCH_LIBS([clock_gettime],[rt posix4])
AC_CHECK_FUNC([clock_gettime])
AC_SEARCH_LIBS([dl_iterate_phdr],[dl])
AC_CHECK_FUNC([dl_iterate_phdr])
AM_CONDITIONAL([HAVE_CLOCK_GETTIME], [test "x$ac_cv_func_clock_gettime" = xyes])
])
AC_DEFUN([CHECK_VA_COPY], [