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local: add support for clock_gettime()

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Use clock_gettime() to read the system clock in nanosecond resolution.
This commit is contained in:
Miroslav Lichvar
2016-08-18 15:07:01 +02:00
parent cfe706f032
commit 8d89610ff6
4 changed files with 26 additions and 19 deletions
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26
configure vendored
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@@ -569,6 +569,21 @@ then
fi
fi
if test_code 'clock_gettime()' 'time.h' '' '' \
'clock_gettime(CLOCK_REALTIME, NULL);'
then
add_def HAVE_CLOCK_GETTIME
else
if test_code 'clock_gettime() in -lrt' 'time.h' '' '-lrt' \
'clock_gettime(CLOCK_REALTIME, NULL);'
then
add_def HAVE_CLOCK_GETTIME
EXTRA_LIBS="$EXTRA_LIBS -lrt"
else
try_phc=0
fi
fi
if test_code 'getaddrinfo()' 'sys/types.h sys/socket.h netdb.h' '' "$EXTRA_LIBS" \
'return getaddrinfo(0, 0, 0, 0);'
then
@@ -676,16 +691,7 @@ if [ $feat_refclock = "1" ] && [ $feat_phc = "1" ] && [ $try_phc = "1" ] && \
test_code '<linux/ptp_clock.h>' 'sys/ioctl.h linux/ptp_clock.h' '' '' \
'ioctl(1, PTP_CLOCK_GETCAPS, 0);'
then
if test_code 'clock_gettime()' 'time.h' '' '' 'clock_gettime(0, NULL);'; then
add_def FEAT_PHC
else
if test_code 'clock_gettime() in -lrt' 'time.h' '' '-lrt' \
'clock_gettime(0, NULL);'
then
EXTRA_LIBS="$EXTRA_LIBS -lrt"
add_def FEAT_PHC
fi
fi
add_def FEAT_PHC
fi
if [ $try_setsched = "1" ] && \