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| author | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2019-12-11 16:39:01 -0300 |
|---|---|---|
| committer | Adhemerval Zanella <adhemerval.zanella@linaro.org> | 2020-01-03 11:22:07 -0300 |
| commit | 0dc1a378b135ec46fcc451d96c4a3a64c08e2ace (patch) | |
| tree | b263a60c36a5cb2ad7d3b2b9affa7cad36c809c0 /sysdeps/unix/sysv/linux/clock_getres.c | |
| parent | cdae973b6a7eb95b1caf1e1ecfc93de720ac6b44 (diff) | |
| download | glibc-0dc1a378b135ec46fcc451d96c4a3a64c08e2ace.tar glibc-0dc1a378b135ec46fcc451d96c4a3a64c08e2ace.tar.gz glibc-0dc1a378b135ec46fcc451d96c4a3a64c08e2ace.tar.bz2 glibc-0dc1a378b135ec46fcc451d96c4a3a64c08e2ace.zip | |
linux: Add support for clock_getres64 vDSO
No architecture currently defines the vDSO symbol. On archictures
with 64-bit time_t the HAVE_CLOCK_GETRES_VSYSCALL is renamed to
HAVE_CLOCK_GETRES64_VSYSCALL, it simplifies clock_gettime code.
Reviewed-by: Siddhesh Poyarekar <siddhesh@sourceware.org>
Diffstat (limited to 'sysdeps/unix/sysv/linux/clock_getres.c')
| -rw-r--r-- | sysdeps/unix/sysv/linux/clock_getres.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/sysdeps/unix/sysv/linux/clock_getres.c b/sysdeps/unix/sysv/linux/clock_getres.c index d3cabfcb2f..2ba72110ba 100644 --- a/sysdeps/unix/sysv/linux/clock_getres.c +++ b/sysdeps/unix/sysv/linux/clock_getres.c @@ -30,20 +30,23 @@ __clock_getres64 (clockid_t clock_id, struct __timespec64 *res) { #ifdef __ASSUME_TIME64_SYSCALLS /* 64 bit ABIs or Newer 32-bit ABIs that only support 64-bit time_t. */ -# ifdef __NR_clock_getres_time64 - return INLINE_SYSCALL_CALL (clock_getres_time64, clock_id, res); +# ifndef __NR_clock_getres_time64 +# define __NR_clock_getres_time64 __NR_clock_getres +# endif +# ifdef HAVE_CLOCK_GETRES64_VSYSCALL + return INLINE_VSYSCALL (clock_getres_time64, 2, clock_id, res); # else -# ifdef HAVE_CLOCK_GETRES_VSYSCALL - return INLINE_VSYSCALL (clock_getres, 2, clock_id, res); -# else - return INLINE_SYSCALL_CALL (clock_getres, clock_id, res); -# endif + return INLINE_SYSCALL_CALL (clock_getres_time64, clock_id, res); # endif #else int r; /* Old 32-bit ABI with possible 64-bit time_t support. */ # ifdef __NR_clock_getres_time64 +# ifdef HAVE_CLOCK_GETRES64_VSYSCALL + r = INLINE_VSYSCALL (clock_getres_time64, 2, clock_id, res); +# else r = INLINE_SYSCALL_CALL (clock_getres_time64, clock_id, res); +# endif if (r == 0 || errno != ENOSYS) return r; # endif |