From 65fa68e25d5dc0367622cc230c3f5ac1d2587370 Mon Sep 17 00:00:00 2001 From: Peter Kjellerstedt Date: Thu, 28 Apr 2005 13:11:29 +0000 Subject: Added support for clock_getres() and clock_settime() in addition to the already existing clock_gettime(). In addition they will now use the corresponding system calls if they exists, which resulted in a move to libc/sysdeps/linux/common for clock_gettime.c (it was previously located in libc/misc/time). --- include/time.h | 10 +++--- libc/misc/time/Makefile | 2 +- libc/misc/time/clock_gettime.c | 40 ----------------------- libc/sysdeps/linux/common/clock_getres.c | 51 +++++++++++++++++++++++++++++ libc/sysdeps/linux/common/clock_gettime.c | 51 +++++++++++++++++++++++++++++ libc/sysdeps/linux/common/clock_settime.c | 53 +++++++++++++++++++++++++++++++ 6 files changed, 161 insertions(+), 46 deletions(-) delete mode 100644 libc/misc/time/clock_gettime.c create mode 100644 libc/sysdeps/linux/common/clock_getres.c create mode 100644 libc/sysdeps/linux/common/clock_gettime.c create mode 100644 libc/sysdeps/linux/common/clock_settime.c diff --git a/include/time.h b/include/time.h index b14bb3673..e8e514ca5 100644 --- a/include/time.h +++ b/include/time.h @@ -345,17 +345,17 @@ extern int nanosleep (__const struct timespec *__requested_time, struct timespec *__remaining); -/* Get current value of clock CLOCK_ID and store it in TP. */ -extern int clock_gettime (clockid_t __clock_id, struct timespec *__tp) __THROW; - -#ifdef __UCLIBC_MJN3_ONLY__ -#warning "mjn3 FIXME: a bunch of unimplemented function prototypes." /* Get resolution of clock CLOCK_ID. */ extern int clock_getres (clockid_t __clock_id, struct timespec *__res) __THROW; +/* Get current value of clock CLOCK_ID and store it in TP. */ +extern int clock_gettime (clockid_t __clock_id, struct timespec *__tp) __THROW; + /* Set clock CLOCK_ID to value TP. */ extern int clock_settime (clockid_t __clock_id, __const struct timespec *__tp) __THROW; +#ifdef __UCLIBC_MJN3_ONLY__ +#warning "mjn3 FIXME: a bunch of unimplemented function prototypes." # ifdef __USE_XOPEN2K /* High-resolution sleep with the specified clock. diff --git a/libc/misc/time/Makefile b/libc/misc/time/Makefile index 236a160bf..ebeea09e6 100644 --- a/libc/misc/time/Makefile +++ b/libc/misc/time/Makefile @@ -45,7 +45,7 @@ ifeq ($(UCLIBC_HAS_XLOCALE),y) endif endif -CSRC= adjtime.c ftime.c clock_gettime.c +CSRC= adjtime.c ftime.c COBJS=$(patsubst %.c,%.o, $(CSRC)) OBJS=$(COBJS) $(MOBJ) $(MOBJx) diff --git a/libc/misc/time/clock_gettime.c b/libc/misc/time/clock_gettime.c deleted file mode 100644 index 550cf4dc4..000000000 --- a/libc/misc/time/clock_gettime.c +++ /dev/null @@ -1,40 +0,0 @@ -/* Copyright (C) 2003 Justus Pendleton - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Library General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This 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 - * Library General Public License for more details. - * - * You should have received a copy of the GNU Library General Public - * License along with this library; if not, write to the Free - * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#define _GNU_SOURCE -#include -#include -#include - -int clock_gettime (clockid_t clock, struct timespec* ts) -{ - struct timeval tv; - int retval = -1; - switch (clock) { - case CLOCK_REALTIME: - retval = gettimeofday (&tv, NULL); - if (retval == 0) { - TIMEVAL_TO_TIMESPEC (&tv, ts); - } - break; - default: - errno = EINVAL; - break; - } - return retval; -} - diff --git a/libc/sysdeps/linux/common/clock_getres.c b/libc/sysdeps/linux/common/clock_getres.c new file mode 100644 index 000000000..0ae2bb07d --- /dev/null +++ b/libc/sysdeps/linux/common/clock_getres.c @@ -0,0 +1,51 @@ +/* + * clock_getres() for uClibc + * + * Copyright (C) 2005 by Peter Kjellerstedt + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Library General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program 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 Library General Public License + * for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#define _GNU_SOURCE +#include "syscalls.h" +#include +#include + +#ifdef __NR_clock_getres +_syscall2(int, clock_getres, clockid_t, clock_id, struct timespec*, res); +#else +int clock_getres(clockid_t clock_id, struct timespec* res) +{ + long clk_tck; + int retval = -1; + + switch (clock_id) { + case CLOCK_REALTIME: + if ((clk_tck = sysconf(_SC_CLK_TCK)) < 0) + clk_tck = 100; + res->tv_sec = 0; + res->tv_nsec = 1000000000 / clk_tck; + retval = 0; + break; + + default: + errno = EINVAL; + break; + } + + return retval; +} +#endif diff --git a/libc/sysdeps/linux/common/clock_gettime.c b/libc/sysdeps/linux/common/clock_gettime.c new file mode 100644 index 000000000..d6369681d --- /dev/null +++ b/libc/sysdeps/linux/common/clock_gettime.c @@ -0,0 +1,51 @@ +/* + * clock_gettime() for uClibc + * + * Copyright (C) 2003 by Justus Pendleton + * Copyright (C) 2005 by Peter Kjellerstedt + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Library General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program 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 Library General Public License + * for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#define _GNU_SOURCE +#include "syscalls.h" +#include +#include + +#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: + retval = gettimeofday(&tv, NULL); + if (retval == 0) { + TIMEVAL_TO_TIMESPEC(&tv, tp); + } + break; + + default: + errno = EINVAL; + break; + } + + return retval; +} +#endif diff --git a/libc/sysdeps/linux/common/clock_settime.c b/libc/sysdeps/linux/common/clock_settime.c new file mode 100644 index 000000000..40dadc78d --- /dev/null +++ b/libc/sysdeps/linux/common/clock_settime.c @@ -0,0 +1,53 @@ +/* + * clock_settime() for uClibc + * + * Copyright (C) 2005 by Peter Kjellerstedt + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU Library General Public License as published by + * the Free Software Foundation; either version 2 of the License, or (at your + * option) any later version. + * + * This program 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 Library General Public License + * for more details. + * + * You should have received a copy of the GNU Library General Public License + * along with this program; if not, write to the Free Software Foundation, + * Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#define _GNU_SOURCE +#include "syscalls.h" +#include +#include + +#ifdef __NR_clock_settime +_syscall2(int, clock_settime, clockid_t, clock_id, const struct timespec*, tp); +#else +int clock_settime(clockid_t clock_id, const struct timespec* tp) +{ + struct timeval tv; + int retval = -1; + + if (tp->tv_nsec < 0 || tp->tv_nsec >= 1000000000) { + errno = EINVAL; + return -1; + } + + switch (clock_id) { + case CLOCK_REALTIME: + TIMESPEC_TO_TIMEVAL(&tv, tp); + retval = settimeofday(&tv, NULL); + break; + + default: + errno = EINVAL; + break; + } + + return retval; +} +#endif -- cgit v1.2.3