diff options
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/generic/ldsodefs.h | 5 | ||||
| -rw-r--r-- | sysdeps/mach/hurd/dl-sysdep.c | 8 | ||||
| -rw-r--r-- | sysdeps/nptl/fork.c | 8 | ||||
| -rw-r--r-- | sysdeps/posix/clock_getres.c | 46 | ||||
| -rw-r--r-- | sysdeps/unix/clock_gettime.c | 65 | ||||
| -rw-r--r-- | sysdeps/unix/clock_nanosleep.c | 30 | ||||
| -rw-r--r-- | sysdeps/unix/clock_settime.c | 61 |
7 files changed, 8 insertions, 215 deletions
diff --git a/sysdeps/generic/ldsodefs.h b/sysdeps/generic/ldsodefs.h index a7f6b82da6..b1fc5c31f9 100644 --- a/sysdeps/generic/ldsodefs.h +++ b/sysdeps/generic/ldsodefs.h @@ -352,11 +352,6 @@ struct rtld_global /* The object to be initialized first. */ EXTERN struct link_map *_dl_initfirst; -#if HP_SMALL_TIMING_AVAIL - /* Start time on CPU clock. */ - EXTERN hp_timing_t _dl_cpuclock_offset; -#endif - /* Map of shared object to be profiled. */ EXTERN struct link_map *_dl_profile_map; diff --git a/sysdeps/mach/hurd/dl-sysdep.c b/sysdeps/mach/hurd/dl-sysdep.c index 07d64d8122..5cb347f5d1 100644 --- a/sysdeps/mach/hurd/dl-sysdep.c +++ b/sysdeps/mach/hurd/dl-sysdep.c @@ -62,10 +62,6 @@ int __libc_multiple_libcs = 0; /* Defining this here avoids the inclusion void *__libc_stack_end = NULL; rtld_hidden_data_def(__libc_stack_end) -#if HP_TIMING_AVAIL -hp_timing_t _dl_cpuclock_offset; -#endif - /* TODO: Initialize. */ void *_dl_random attribute_relro = NULL; @@ -246,10 +242,6 @@ unfmh(); /* XXX */ /* Initialize frequently used global variable. */ GLRO(dl_pagesize) = __getpagesize (); -#if HP_TIMING_AVAIL - HP_TIMING_NOW (_dl_cpuclock_offset); -#endif - fmh(); /* XXX */ /* See hurd/hurdstartup.c; this deals with getting information diff --git a/sysdeps/nptl/fork.c b/sysdeps/nptl/fork.c index 14b69a6f89..3f357665bd 100644 --- a/sysdeps/nptl/fork.c +++ b/sysdeps/nptl/fork.c @@ -83,14 +83,6 @@ __libc_fork (void) if (__fork_generation_pointer != NULL) *__fork_generation_pointer += __PTHREAD_ONCE_FORK_GEN_INCR; -#if HP_TIMING_AVAIL - /* The CPU clock of the thread and process have to be set to zero. */ - hp_timing_t now; - HP_TIMING_NOW (now); - THREAD_SETMEM (self, cpuclock_offset, now); - GL(dl_cpuclock_offset) = now; -#endif - #ifdef __NR_set_robust_list /* Initialize the robust mutex list setting in the kernel which has been reset during the fork. We do not check for errors because if diff --git a/sysdeps/posix/clock_getres.c b/sysdeps/posix/clock_getres.c index dac4761fcc..01024a3f55 100644 --- a/sysdeps/posix/clock_getres.c +++ b/sysdeps/posix/clock_getres.c @@ -24,37 +24,6 @@ #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) { @@ -87,21 +56,8 @@ __clock_getres (clockid_t clock_id, struct timespec *res) break; default: -#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 - case CLOCK_PROCESS_CPUTIME_ID: - case CLOCK_THREAD_CPUTIME_ID: - retval = hp_timing_getres (res); + __set_errno (EINVAL); break; -#endif } return retval; diff --git a/sysdeps/unix/clock_gettime.c b/sysdeps/unix/clock_gettime.c index 33a1f3335c..10a6c96d9d 100644 --- a/sysdeps/unix/clock_gettime.c +++ b/sysdeps/unix/clock_gettime.c @@ -24,57 +24,6 @@ #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 (__glibc_unlikely (freq == 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 (__glibc_unlikely (freq == 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) { @@ -105,20 +54,8 @@ __clock_gettime (clockid_t clock_id, struct timespec *tp) break; default: -#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 - case CLOCK_PROCESS_CPUTIME_ID: - retval = hp_timing_gettime (clock_id, tp); + __set_errno (EINVAL); break; -#endif } return retval; diff --git a/sysdeps/unix/clock_nanosleep.c b/sysdeps/unix/clock_nanosleep.c index 7722d1111c..b27608570c 100644 --- a/sysdeps/unix/clock_nanosleep.c +++ b/sysdeps/unix/clock_nanosleep.c @@ -19,23 +19,8 @@ #include <assert.h> #include <errno.h> #include <time.h> -#include <hp-timing.h> #include <sysdep-cancel.h> -#if HP_TIMING_AVAIL -# define CPUCLOCK_P(clock) \ - ((clock) == CLOCK_PROCESS_CPUTIME_ID \ - || ((clock) & ((1 << CLOCK_IDFIELD_SIZE) - 1)) == CLOCK_THREAD_CPUTIME_ID) -#else -# define CPUCLOCK_P(clock) 0 -#endif - -#ifndef INVALID_CLOCK_P -# define INVALID_CLOCK_P(cl) \ - ((cl) < CLOCK_REALTIME || (cl) > CLOCK_THREAD_CPUTIME_ID) -#endif - - /* This implementation assumes that these is only a `nanosleep' system call. So we have to remap all other activities. */ int @@ -51,14 +36,7 @@ __clock_nanosleep (clockid_t clock_id, int flags, const struct timespec *req, if (clock_id == CLOCK_THREAD_CPUTIME_ID) return EINVAL; /* POSIX specifies EINVAL for this case. */ -#ifdef SYSDEP_NANOSLEEP - SYSDEP_NANOSLEEP; -#endif - - if (CPUCLOCK_P (clock_id)) - return ENOTSUP; - - if (INVALID_CLOCK_P (clock_id)) + if (clock_id < CLOCK_REALTIME || clock_id > CLOCK_THREAD_CPUTIME_ID) return EINVAL; /* If we got an absolute time, remap it. */ @@ -71,7 +49,7 @@ __clock_nanosleep (clockid_t clock_id, int flags, const struct timespec *req, assert (sizeof (sec) >= sizeof (now.tv_sec)); /* Get the current time for this clock. */ - if (__builtin_expect (__clock_gettime (clock_id, &now), 0) != 0) + if (__clock_gettime (clock_id, &now) != 0) return errno; /* Compute the difference. */ @@ -90,12 +68,12 @@ __clock_nanosleep (clockid_t clock_id, int flags, const struct timespec *req, /* Make sure we are not modifying the struct pointed to by REM. */ rem = NULL; } - else if (__builtin_expect (flags, 0) != 0) + else if (flags != 0) return EINVAL; else if (clock_id != CLOCK_REALTIME) /* Not supported. */ return ENOTSUP; - return __builtin_expect (__nanosleep (req, rem), 0) ? errno : 0; + return __nanosleep (req, rem), 0 ? errno : 0; } weak_alias (__clock_nanosleep, clock_nanosleep) diff --git a/sysdeps/unix/clock_settime.c b/sysdeps/unix/clock_settime.c index dcf9ff660a..109a1ad872 100644 --- a/sysdeps/unix/clock_settime.c +++ b/sysdeps/unix/clock_settime.c @@ -21,59 +21,11 @@ #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 void __pthread_clock_settime (clockid_t clock_id, hp_timing_t offset) - __attribute__ ((__weak__)); - - -static int -hp_timing_settime (clockid_t clock_id, const struct timespec *tp) -{ - hp_timing_t tsc; - hp_timing_t usertime; - - /* First thing is to get the current time. */ - HP_TIMING_NOW (tsc); - - if (__glibc_unlikely (freq == 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 (__glibc_unlikely (freq == 0)) - /* Something went wrong. */ - return -1; - } - - /* Convert the user-provided time into CPU ticks. */ - usertime = tp->tv_sec * freq + (tp->tv_nsec * freq) / 1000000000ull; - - /* Determine the offset and use it as the new base value. */ - if (clock_id == CLOCK_PROCESS_CPUTIME_ID - || __pthread_clock_settime == NULL) - GL(dl_cpuclock_offset) = tsc - usertime; - else - __pthread_clock_settime (clock_id, tsc - usertime); - - return 0; -} -#endif - - /* Set CLOCK to value TP. */ int __clock_settime (clockid_t clock_id, const struct timespec *tp) { - int retval; + int retval = -1; /* Make sure the time cvalue is OK. */ if (tp->tv_nsec < 0 || tp->tv_nsec >= 1000000000) @@ -93,16 +45,7 @@ __clock_settime (clockid_t clock_id, const struct timespec *tp) break; default: -# if HP_TIMING_AVAIL - if (CPUCLOCK_WHICH (clock_id) == CLOCK_PROCESS_CPUTIME_ID - || CPUCLOCK_WHICH (clock_id) == CLOCK_THREAD_CPUTIME_ID) - retval = hp_timing_settime (clock_id, tp); - else -# endif - { - __set_errno (EINVAL); - retval = -1; - } + __set_errno (EINVAL); break; } |