Hi,

applied and pushed,
 thanks
  Waldemar

lancethepants wrote,

> This borrows getloadavg.c from musl.
> getloadavg pops up often. Recently llvm and rust are dependent on it.
> glibc and musl have it and no-one actually checks if it's available in your 
> libc.
> It's just become way easier to add it in uclibc-ng rather than patch 
> everything else.
> 
> Signed-off-by: Lance Fredrickson <[email protected]>
> ---
>  include/stdlib.h                  |  2 +-
>  libc/misc/Makefile.in             |  1 +
>  libc/misc/getloadavg/Makefile     | 13 +++++++++++
>  libc/misc/getloadavg/Makefile.in  | 23 ++++++++++++++++++
>  libc/misc/getloadavg/getloadavg.c | 39 +++++++++++++++++++++++++++++++
>  5 files changed, 77 insertions(+), 1 deletion(-)
>  create mode 100644 libc/misc/getloadavg/Makefile
>  create mode 100644 libc/misc/getloadavg/Makefile.in
>  create mode 100644 libc/misc/getloadavg/getloadavg.c
> 
> diff --git a/include/stdlib.h b/include/stdlib.h
> index 6a253cc3f..987fe2223 100644
> --- a/include/stdlib.h
> +++ b/include/stdlib.h
> @@ -979,7 +979,7 @@ extern int getpt (void);
>  # endif
>  #endif
>  
> -#if 0 /* def __USE_BSD */
> +#ifdef __USE_BSD
>  /* Put the 1 minute, 5 minute and 15 minute load averages into the first
>     NELEM elements of LOADAVG.  Return the number written (never more than
>     three, but may be less than NELEM), or -1 if an error occurred.  */
> diff --git a/libc/misc/Makefile.in b/libc/misc/Makefile.in
> index e45002e60..53bb6d6c8 100644
> --- a/libc/misc/Makefile.in
> +++ b/libc/misc/Makefile.in
> @@ -14,6 +14,7 @@ include $(top_srcdir)libc/misc/file/Makefile.in
>  include $(top_srcdir)libc/misc/fnmatch/Makefile.in
>  include $(top_srcdir)libc/misc/ftw/Makefile.in
>  include $(top_srcdir)libc/misc/fts/Makefile.in
> +include $(top_srcdir)libc/misc/getloadavg/Makefile.in
>  include $(top_srcdir)libc/misc/glob/Makefile.in
>  include $(top_srcdir)libc/misc/internals/Makefile.in
>  include $(top_srcdir)libc/misc/locale/Makefile.in
> diff --git a/libc/misc/getloadavg/Makefile b/libc/misc/getloadavg/Makefile
> new file mode 100644
> index 000000000..4a8f4a072
> --- /dev/null
> +++ b/libc/misc/getloadavg/Makefile
> @@ -0,0 +1,13 @@
> +# Makefile for uClibc
> +#
> +# Copyright (C) 2000-2005 Erik Andersen <[email protected]>
> +#
> +# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
> +#
> +
> +top_srcdir=../../../
> +top_builddir=../../../
> +all: objs
> +include $(top_builddir)Rules.mak
> +include Makefile.in
> +include $(top_srcdir)Makerules
> diff --git a/libc/misc/getloadavg/Makefile.in 
> b/libc/misc/getloadavg/Makefile.in
> new file mode 100644
> index 000000000..3c8ca24f0
> --- /dev/null
> +++ b/libc/misc/getloadavg/Makefile.in
> @@ -0,0 +1,23 @@
> +# Makefile for uClibc
> +#
> +# Copyright (C) 2000-2008 Erik Andersen <[email protected]>
> +#
> +# Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
> +#
> +
> +subdirs += libc/misc/getloadavg
> +
> +CSRC-y := getloadavg.c
> +
> +MISC_GETLOADAVG_DIR := $(top_srcdir)libc/misc/getloadavg
> +MISC_GETLOADAVG_OUT := $(top_builddir)libc/misc/getloadavg
> +
> +MISC_GETLOADAVG_SRC := $(patsubst %.c,$(MISC_GETLOADAVG_DIR)/%.c,$(CSRC-y))
> +MISC_GETLOADAVG_OBJ := $(patsubst %.c,$(MISC_GETLOADAVG_OUT)/%.o,$(CSRC-y))
> +
> +libc-y += $(MISC_GETLOADAVG_OBJ)
> +
> +objclean-y += CLEAN_libc/misc/getloadavg
> +
> +CLEAN_libc/misc/getloadavg:
> +     $(do_rm) $(addprefix $(MISC_GETLOADAVG_OUT)/*., o os)
> diff --git a/libc/misc/getloadavg/getloadavg.c 
> b/libc/misc/getloadavg/getloadavg.c
> new file mode 100644
> index 000000000..2aee565c0
> --- /dev/null
> +++ b/libc/misc/getloadavg/getloadavg.c
> @@ -0,0 +1,39 @@
> +/*
> + * Copyright © 2005-2020 Rich Felker, et al.
> + *
> + * Permission is hereby granted, free of charge, to any person obtaining
> + * a copy of this software and associated documentation files (the
> + * "Software"), to deal in the Software without restriction, including
> + * without limitation the rights to use, copy, modify, merge, publish,
> + * distribute, sublicense, and/or sell copies of the Software, and to
> + * permit persons to whom the Software is furnished to do so, subject to
> + * the following conditions:
> + *
> + * The above copyright notice and this permission notice shall be
> + * included in all copies or substantial portions of the Software.
> + *
> + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
> + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
> + * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
> + * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
> + * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
> + * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
> + * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
> + *
> + * Imported from musl C library
> + */
> +
> +#define _GNU_SOURCE
> +#include <stdlib.h>
> +#include <sys/sysinfo.h>
> +
> +int getloadavg(double *a, int n)
> +{
> +     struct sysinfo si;
> +     if (n <= 0) return n ? -1 : 0;
> +     sysinfo(&si);
> +     if (n > 3) n = 3;
> +     for (int i=0; i<n; i++)
> +             a[i] = 1.0/(1<<SI_LOAD_SHIFT) * si.loads[i];
> +     return n;
> +}
> -- 
> 2.20.1
> 
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