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Remove syscall wrappers around clock_gettime, closes 12091

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12091 "Direct use of __NR_clock_gettime is not time64-safe".

function                                             old     new   delta
runsv_main                                          1698    1712     +14
startservice                                         378     383      +5
get_mono                                              31      25      -6
date_main                                            932     926      -6
gettimeofday_ns                                       17       -     -17
------------------------------------------------------------------------------
(add/remove: 0/1 grow/shrink: 2/2 up/down: 19/-29)            Total: -10 bytes

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2019-10-24 16:26:55 +02:00
parent 7427406580
commit be5a505d77
4 changed files with 9 additions and 35 deletions
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11
runit/runsv.c
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@@ -51,18 +51,9 @@ ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#if ENABLE_MONOTONIC_SYSCALL
#include <sys/syscall.h>
/* libc has incredibly messy way of doing this,
* typically requiring -lrt. We just skip all this mess */
static void gettimeofday_ns(struct timespec *ts)
{
#if defined(__NR_clock_gettime)
syscall(__NR_clock_gettime, CLOCK_REALTIME, ts);
#elif __TIMESIZE == 64
syscall(__NR_clock_gettime64, CLOCK_REALTIME, ts);
#else
# error "We currently don't support architectures without " \
"the __NR_clock_gettime syscall and 32-bit time_t"
#endif
clock_gettime(CLOCK_REALTIME, ts);
}
#else
static void gettimeofday_ns(struct timespec *ts)