diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux')
| -rw-r--r-- | sysdeps/unix/sysv/linux/clock_settime.c | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/clock_settime.c b/sysdeps/unix/sysv/linux/clock_settime.c index 5f3f22f74b..5913dd69d5 100644 --- a/sysdeps/unix/sysv/linux/clock_settime.c +++ b/sysdeps/unix/sysv/linux/clock_settime.c @@ -18,6 +18,7 @@ #include <errno.h> #include <sysdep.h> #include <time.h> +#include <y2038-support.h> #include "kernel-posix-cpu-timers.h" @@ -35,4 +36,61 @@ #define SYSDEP_SETTIME_CPU \ retval = INLINE_SYSCALL (clock_settime, 2, clock_id, tp) +/* 64-bit time version */ + +# define DO_CLOCK_SETTIME_32 \ + if (! fits_in_time_t(tp->tv_sec)) \ + { \ + __set_errno (EOVERFLOW); \ + retval = -1; \ + } \ + else \ + { \ + valid_timespec64_to_timespec(tp, &ts32); \ + retval = INLINE_SYSCALL (clock_settime, 2, clock_id, &ts32); \ + } + +#ifdef __NR_clock_settime64 + +/* We are building with a 64-bit-time clock_gettime syscall */ + +# define DO_CLOCK_SETTIME_64 \ + if (__y2038_linux_support > 0) \ + { \ + ts64.tv_sec = tp->tv_sec; \ + ts64.tv_nsec = tp->tv_nsec; \ + ts64.tv_pad = 0; \ + retval = INLINE_SYSCALL (clock_settime64, 2, clock_id, &ts64); \ + if (retval == 1 && errno==ENOSYS) \ + { \ + __y2038_linux_support = -1; \ + DO_CLOCK_SETTIME_32; \ + } \ + } \ + else \ + { \ + DO_CLOCK_SETTIME_32; \ + } + +# define SYSDEP_SETTIME64_CPUTIME \ + struct __timespec64 ts64; \ + struct timespec ts32 + +#else + +/* We are building without a 64-bit-time clock_gettime syscall */ + +# define DO_CLOCK_SETTIME_64 DO_CLOCK_SETTIME_32 + +# define SYSDEP_SETTIME64_CPUTIME \ + struct timespec ts32 + +#endif + +#define SYSDEP_SETTIME64 \ + SYSDEP_SETTIME64_CPUTIME; \ + case CLOCK_REALTIME: \ + DO_CLOCK_SETTIME_64; \ + break + #include <sysdeps/unix/clock_settime.c> |