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authorWaldemar Brodkorb <wbx@openadk.org>2017-04-22 22:44:56 +0200
committerWaldemar Brodkorb <wbx@openadk.org>2017-04-22 22:44:56 +0200
commit4d466d8adaa02bd45c3d36cb910046c23c83a6f9 (patch)
treed86e6031b80f274c954275b2d241f79937cf3159 /librt/clock_gettime.c
parent41315bb358d6d2f82e4e2ca8a6cb08fe69f90d56 (diff)
remove unused HP_TIMING_AVAIL and header
cleanup unused and unsupported code.
Diffstat (limited to 'librt/clock_gettime.c')
-rw-r--r--librt/clock_gettime.c64
1 files changed, 0 insertions, 64 deletions
diff --git a/librt/clock_gettime.c b/librt/clock_gettime.c
index e61616314..d87b7e463 100644
--- a/librt/clock_gettime.c
+++ b/librt/clock_gettime.c
@@ -187,58 +187,6 @@ maybe_syscall_gettime_cputime (clockid_t clock_id, struct timespec *tp)
#include <sys/time.h>
#include <ldsodefs.h>
-
-#if HP_TIMING_AVAIL
-/* Clock frequency of the processor. We make it a 64-bit variable
- because some jokers are already playing with processors with more
- than 4GHz. */
-static hp_timing_t freq;
-
-
-/* This function is defined in the thread library. */
-extern int __pthread_clock_gettime (clockid_t clock_id, hp_timing_t freq,
- struct timespec *tp)
- __attribute__ ((__weak__));
-
-static int
-hp_timing_gettime (clockid_t clock_id, struct timespec *tp)
-{
- hp_timing_t tsc;
-
- if (__builtin_expect (freq == 0, 0))
- {
- /* This can only happen if we haven't initialized the `freq'
- 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 (__builtin_expect (freq == 0, 0))
- /* Something went wrong. */
- return -1;
- }
-
- if (clock_id != CLOCK_PROCESS_CPUTIME_ID
- && __pthread_clock_gettime != NULL)
- return __pthread_clock_gettime (clock_id, freq, tp);
-
- /* Get the current counter. */
- HP_TIMING_NOW (tsc);
-
- /* Compute the offset since the start time of the process. */
- tsc -= GL(dl_cpuclock_offset);
-
- /* Compute the seconds. */
- tp->tv_sec = tsc / freq;
-
- /* And the nanoseconds. This computation should be stable until
- we get machines with about 16GHz frequency. */
- tp->tv_nsec = ((tsc % freq) * UINT64_C (1000000000)) / freq;
-
- return 0;
-}
-#endif
-
-
static inline int
realtime_gettime (struct timespec *tp)
{
@@ -278,20 +226,8 @@ clock_gettime (clockid_t clock_id, struct timespec *tp)
#ifdef SYSDEP_GETTIME_CPU
SYSDEP_GETTIME_CPU;
#endif
-#if HP_TIMING_AVAIL
- if ((clock_id & ((1 << CLOCK_IDFIELD_SIZE) - 1))
- == CLOCK_THREAD_CPUTIME_ID)
- retval = hp_timing_gettime (clock_id, tp);
- else
-#endif
__set_errno (EINVAL);
break;
-
-#if HP_TIMING_AVAIL && !defined HANDLED_CPUTIME
- case CLOCK_PROCESS_CPUTIME_ID:
- retval = hp_timing_gettime (clock_id, tp);
- break;
-#endif
}
return retval;