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-rw-r--r--sysdeps/posix/clock_getres.c118
1 files changed, 0 insertions, 118 deletions
diff --git a/sysdeps/posix/clock_getres.c b/sysdeps/posix/clock_getres.c
deleted file mode 100644
index b6248bef2c..0000000000
--- a/sysdeps/posix/clock_getres.c
+++ /dev/null
@@ -1,118 +0,0 @@
-/* clock_getres -- Get the resolution of a POSIX clockid_t.
- Copyright (C) 1999-2017 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
-
- The GNU C Library is free software; you can redistribute it and/or
- modify it under the terms of the GNU Lesser General Public
- License as published by the Free Software Foundation; either
- version 2.1 of the License, or (at your option) any later version.
-
- The GNU C Library is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public
- License along with the GNU C Library; if not, see
- <http://www.gnu.org/licenses/>. */
-
-#include <errno.h>
-#include <stdint.h>
-#include <time.h>
-#include <unistd.h>
-#include <sys/param.h>
-#include <libc-internal.h>
-
-
-#if HP_TIMING_AVAIL
-static long int nsec; /* Clock frequency of the processor. */
-
-static int
-hp_timing_getres (struct timespec *res)
-{
- if (__glibc_unlikely (nsec == 0))
- {
- hp_timing_t freq;
-
- /* This can only happen if we haven't initialized the `nsec'
- variable yet. Do this now. We don't have to protect this
- code against multiple execution since all of them should
- lead to the same result. */
- freq = __get_clockfreq ();
- if (__glibc_unlikely (freq == 0))
- /* Something went wrong. */
- return -1;
-
- nsec = MAX (UINT64_C (1000000000) / freq, 1);
- }
-
- /* Fill in the values.
- The seconds are always zero (unless we have a 1Hz machine). */
- res->tv_sec = 0;
- res->tv_nsec = nsec;
-
- return 0;
-}
-#endif
-
-static inline int
-realtime_getres (struct timespec *res)
-{
- long int clk_tck = sysconf (_SC_CLK_TCK);
-
- if (__glibc_likely (clk_tck != -1))
- {
- /* This implementation assumes that the realtime clock has a
- resolution higher than 1 second. This is the case for any
- reasonable implementation. */
- res->tv_sec = 0;
- res->tv_nsec = 1000000000 / clk_tck;
- return 0;
- }
-
- return -1;
-}
-
-
-/* Get resolution of clock. */
-int
-__clock_getres (clockid_t clock_id, struct timespec *res)
-{
- int retval = -1;
-
- switch (clock_id)
- {
-#ifdef SYSDEP_GETRES
- SYSDEP_GETRES;
-#endif
-
-#ifndef HANDLED_REALTIME
- case CLOCK_REALTIME:
- retval = realtime_getres (res);
- break;
-#endif /* handled REALTIME */
-
- default:
-#ifdef SYSDEP_GETRES_CPU
- SYSDEP_GETRES_CPU;
-#endif
-#if HP_TIMING_AVAIL
- if ((clock_id & ((1 << CLOCK_IDFIELD_SIZE) - 1))
- == CLOCK_THREAD_CPUTIME_ID)
- retval = hp_timing_getres (res);
- else
-#endif
- __set_errno (EINVAL);
- break;
-
-#if HP_TIMING_AVAIL && !defined HANDLED_CPUTIME
- case CLOCK_PROCESS_CPUTIME_ID:
- case CLOCK_THREAD_CPUTIME_ID:
- retval = hp_timing_getres (res);
- break;
-#endif
- }
-
- return retval;
-}
-weak_alias (__clock_getres, clock_getres)