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-rw-r--r--src/basic/cpu-set-util.c114
1 files changed, 0 insertions, 114 deletions
diff --git a/src/basic/cpu-set-util.c b/src/basic/cpu-set-util.c
deleted file mode 100644
index 95ed6928ff..0000000000
--- a/src/basic/cpu-set-util.c
+++ /dev/null
@@ -1,114 +0,0 @@
-/***
- This file is part of systemd.
-
- Copyright 2010-2015 Lennart Poettering
- Copyright 2015 Filipe Brandenburger
-
- systemd 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.
-
- systemd 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 systemd; If not, see <http://www.gnu.org/licenses/>.
-***/
-
-#include <errno.h>
-#include <stddef.h>
-#include <syslog.h>
-
-#include "alloc-util.h"
-#include "cpu-set-util.h"
-#include "extract-word.h"
-#include "log.h"
-#include "macro.h"
-#include "parse-util.h"
-#include "string-util.h"
-
-cpu_set_t* cpu_set_malloc(unsigned *ncpus) {
- cpu_set_t *c;
- unsigned n = 1024;
-
- /* Allocates the cpuset in the right size */
-
- for (;;) {
- c = CPU_ALLOC(n);
- if (!c)
- return NULL;
-
- if (sched_getaffinity(0, CPU_ALLOC_SIZE(n), c) >= 0) {
- CPU_ZERO_S(CPU_ALLOC_SIZE(n), c);
-
- if (ncpus)
- *ncpus = n;
-
- return c;
- }
-
- CPU_FREE(c);
-
- if (errno != EINVAL)
- return NULL;
-
- n *= 2;
- }
-}
-
-int parse_cpu_set_and_warn(
- const char *rvalue,
- cpu_set_t **cpu_set,
- const char *unit,
- const char *filename,
- unsigned line,
- const char *lvalue) {
-
- const char *whole_rvalue = rvalue;
- _cleanup_cpu_free_ cpu_set_t *c = NULL;
- unsigned ncpus = 0;
-
- assert(lvalue);
- assert(rvalue);
-
- for (;;) {
- _cleanup_free_ char *word = NULL;
- unsigned cpu, cpu_lower, cpu_upper;
- int r;
-
- r = extract_first_word(&rvalue, &word, WHITESPACE ",", EXTRACT_QUOTES);
- if (r < 0)
- return log_syntax(unit, LOG_ERR, filename, line, r, "Invalid value for %s: %s", lvalue, whole_rvalue);
- if (r == 0)
- break;
-
- if (!c) {
- c = cpu_set_malloc(&ncpus);
- if (!c)
- return log_oom();
- }
-
- r = parse_range(word, &cpu_lower, &cpu_upper);
- if (r < 0)
- return log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse CPU affinity '%s'", word);
- if (cpu_lower >= ncpus || cpu_upper >= ncpus)
- return log_syntax(unit, LOG_ERR, filename, line, EINVAL, "CPU out of range '%s' ncpus is %u", word, ncpus);
-
- if (cpu_lower > cpu_upper)
- log_syntax(unit, LOG_WARNING, filename, line, 0, "Range '%s' is invalid, %u > %u", word, cpu_lower, cpu_upper);
- else
- for (cpu = cpu_lower; cpu <= cpu_upper; cpu++)
- CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c);
- }
-
- /* On success, sets *cpu_set and returns ncpus for the system. */
- if (c) {
- *cpu_set = c;
- c = NULL;
- }
-
- return (int) ncpus;
-}