/* * clock_gettime() for uClibc * * Copyright (C) 2003 by Justus Pendleton <uc@ryoohki.net> * Copyright (C) 2005 by Peter Kjellerstedt <pkj@axis.com> * Copyright (C) 2000-2006 Erik Andersen <andersen@uclibc.org> * * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball. */ #include <sys/syscall.h> #include <time.h> #include <sys/time.h> #ifdef __NR_clock_gettime _syscall2(int, clock_gettime, clockid_t, clock_id, struct timespec*, tp) #else int clock_gettime(clockid_t clock_id, struct timespec* tp) { struct timeval tv; int retval = -1; switch (clock_id) { case CLOCK_REALTIME: /* In Linux, gettimeofday fails only on bad parameter. * We know that here parameter isn't bad. */ gettimeofday(&tv, NULL); TIMEVAL_TO_TIMESPEC(&tv, tp); retval = 0; break; default: errno = EINVAL; break; } return retval; } #endif