diff options
Diffstat (limited to 'REORG.TODO/sysdeps/mach/getloadavg.c')
-rw-r--r-- | REORG.TODO/sysdeps/mach/getloadavg.c | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/mach/getloadavg.c b/REORG.TODO/sysdeps/mach/getloadavg.c new file mode 100644 index 0000000000..c54b772a15 --- /dev/null +++ b/REORG.TODO/sysdeps/mach/getloadavg.c @@ -0,0 +1,53 @@ +/* Get system load averages. Mach version. + Copyright (C) 1999-2017 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 + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C 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 + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <http://www.gnu.org/licenses/>. */ + +#include <mach.h> +#include <mach/host_info.h> +#include <hurd.h> +#include <errno.h> +#include <unistd.h> +#include <stdlib.h> + + +/* 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 3, but may be less than NELEM), + or -1 if an error occurred. */ + +int +getloadavg (double loadavg[], int nelem) +{ + host_load_info_data_t info; + mach_msg_type_number_t size = HOST_LOAD_INFO_COUNT; + error_t err; + int i; + + err = __host_info (__mach_host_self (), HOST_LOAD_INFO, + (host_info_t) &info, &size); + if (err) + return __hurd_fail (err); + if (size < HOST_LOAD_INFO_COUNT) + return __hurd_fail (EGRATUITOUS); + + if (nelem > 3) + nelem = 3; + for (i = 0; i < nelem; ++i) + loadavg[i] = (double) info.avenrun[i] / (double) LOAD_SCALE; + + return i; +} |