diff options
Diffstat (limited to 'runit')
| -rw-r--r-- | runit/runsv.c | 36 |
1 files changed, 28 insertions, 8 deletions
diff --git a/runit/runsv.c b/runit/runsv.c index baef6e1..b35c266 100644 --- a/runit/runsv.c +++ b/runit/runsv.c @@ -33,6 +33,34 @@ ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #include "libbb.h" #include "runit_lib.h" +#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) +{ + syscall(__NR_clock_gettime, CLOCK_REALTIME, ts); +} +#else +static void gettimeofday_ns(struct timespec *ts) +{ + if (sizeof(struct timeval) == sizeof(struct timespec) + && sizeof(((struct timeval*)ts)->tv_usec) == sizeof(ts->tv_nsec) + ) { + /* Cheat */ + gettimeofday((void*)ts, NULL); + ts->tv_nsec *= 1000; + } else { + extern void BUG_need_to_implement_gettimeofday_ns(void); + BUG_need_to_implement_gettimeofday_ns(); + } +} +#endif + +/* Compare possibly overflowing unsigned counters */ +#define LESS(a,b) ((int)((unsigned)(b) - (unsigned)(a)) > 0) + static int selfpipe[2]; /* state */ @@ -126,14 +154,6 @@ static int rename_or_warn(const char *old, const char *new) return 0; } -#define LESS(a,b) ((int)((unsigned)(b) - (unsigned)(a)) > 0) - -#include <sys/syscall.h> -static void gettimeofday_ns(struct timespec *ts) -{ - syscall(__NR_clock_gettime, CLOCK_REALTIME, ts); -} - static void update_status(struct svdir *s) { ssize_t sz; |