diff options
Diffstat (limited to 'sysdeps/unix/clock_nanosleep.c')
| -rw-r--r-- | sysdeps/unix/clock_nanosleep.c | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/sysdeps/unix/clock_nanosleep.c b/sysdeps/unix/clock_nanosleep.c index 4f32b3685c..358269852a 100644 --- a/sysdeps/unix/clock_nanosleep.c +++ b/sysdeps/unix/clock_nanosleep.c @@ -1,5 +1,5 @@ /* High-resolution sleep with the specified clock. - Copyright (C) 2000, 2001 Free Software Foundation, Inc. + Copyright (C) 2000, 2001, 2003 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 @@ -24,11 +24,16 @@ #if HP_TIMING_AVAIL -# define CLOCK_P(clock) \ - (clock) != CLOCK_PROCESS_CPUTIME_ID \ - && (clock) != CLOCK_THREAD_CPUTIME_ID +# define CPUCLOCK_P(clock) \ + ((clock) != CLOCK_PROCESS_CPUTIME_ID \ + && (clock) != CLOCK_THREAD_CPUTIME_ID) #else -# define CLOCK_P(clock) 0 +# define CPUCLOCK_P(clock) 0 +#endif + +#ifndef INVALID_CLOCK_P +# define INVALID_CLOCK_P(cl) \ + ((cl) < CLOCK_REALTIME || (cl) > CLOCK_THREAD_CPUTIME_ID || CPUCLOCK_P (cl)) #endif @@ -44,6 +49,16 @@ clock_nanosleep (clockid_t clock_id, int flags, const struct timespec *req, || __builtin_expect (req->tv_nsec, 0) >= 1000000000) return EINVAL; + if (CPUCLOCK_P (clock_id)) + return ENOTSUP; + + if (INVALID_CLOCK_P (clock_id)) + return EINVAL; + +#ifdef SYSDEP_NANOSLEEP + SYSDEP_NANOSLEEP; +#endif + /* If we got an absolute time, remap it. */ if (flags == TIMER_ABSTIME) { @@ -76,11 +91,8 @@ clock_nanosleep (clockid_t clock_id, int flags, const struct timespec *req, else if (__builtin_expect (flags, 0) != 0) return EINVAL; else if (clock_id != CLOCK_REALTIME) - { - /* Make sure the clock ID is correct. */ - if (__builtin_expect (! CLOCK_P (clock_id), 0)) - return EINVAL; - } + /* Not supported. */ + return ENOTSUP; return __builtin_expect (nanosleep (req, rem), 0) ? errno : 0; } |