diff options
Diffstat (limited to 'librt/clock_gettime.c')
-rw-r--r-- | librt/clock_gettime.c | 34 |
1 files changed, 32 insertions, 2 deletions
diff --git a/librt/clock_gettime.c b/librt/clock_gettime.c index e65d39d44..dd1f0c514 100644 --- a/librt/clock_gettime.c +++ b/librt/clock_gettime.c @@ -22,10 +22,30 @@ #include <sys/time.h> #include "kernel-posix-cpu-timers.h" +#ifdef __VDSO_SUPPORT__ +#include "ldso.h" +#endif + +#if defined(__UCLIBC_USE_TIME64__) +#include "internal/time64_helpers.h" +#endif +#if defined(__UCLIBC_USE_TIME64__) && defined(__NR_clock_gettime64) +#define SYSCALL_GETTIME \ + { \ + struct __ts64_struct __ts64; \ + retval = INLINE_SYSCALL (clock_gettime64, 2, clock_id, &__ts64); \ + if (tp) { \ + tp->tv_sec = __ts64.tv_sec; \ + tp->tv_nsec = __ts64.tv_nsec; \ + } \ + break; \ + } +#else #define SYSCALL_GETTIME \ retval = INLINE_SYSCALL (clock_gettime, 2, clock_id, tp); \ break +#endif /* The REALTIME and MONOTONIC clock are definitely supported in the kernel. */ #define SYSDEP_GETTIME \ @@ -52,9 +72,8 @@ realtime_gettime (struct timespec *tp) return retval; } -/* Get current value of CLOCK and store it in TP. */ int -clock_gettime (clockid_t clock_id, struct timespec *tp) +__libc_clock_gettime (clockid_t clock_id, struct timespec *tp) { int retval = -1; #ifndef HANDLED_REALTIME @@ -85,3 +104,14 @@ clock_gettime (clockid_t clock_id, struct timespec *tp) return retval; } + +/* Get current value of CLOCK and store it in TP. */ +int +clock_gettime (clockid_t clock_id, struct timespec *tp) +{ +#if defined(__VDSO_SUPPORT__) && defined(ARCH_VDSO_CLOCK_GETTIME) + return ARCH_VDSO_CLOCK_GETTIME(clock_id, tp); +#else + return __libc_clock_gettime(clock_id, tp); +#endif +} |