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Diffstat (limited to 'src/basic/cpu-set-util.c')
-rw-r--r--src/basic/cpu-set-util.c28
1 files changed, 15 insertions, 13 deletions
diff --git a/src/basic/cpu-set-util.c b/src/basic/cpu-set-util.c
index 9122ea5d48..4950c66767 100644
--- a/src/basic/cpu-set-util.c
+++ b/src/basic/cpu-set-util.c
@@ -72,14 +72,12 @@ int parse_cpu_set_and_warn(
for (;;) {
_cleanup_free_ char *word = NULL;
- unsigned cpu;
+ unsigned cpu, cpu_lower, cpu_upper;
int r;
- r = extract_first_word(&rvalue, &word, WHITESPACE, EXTRACT_QUOTES);
- if (r < 0) {
- log_syntax(unit, LOG_ERR, filename, line, r, "Invalid value for %s: %s", lvalue, whole_rvalue);
- return 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;
@@ -89,13 +87,17 @@ int parse_cpu_set_and_warn(
return log_oom();
}
- r = safe_atou(word, &cpu);
- if (r < 0 || cpu >= ncpus) {
- log_syntax(unit, LOG_ERR, filename, line, r, "Failed to parse CPU affinity '%s'", rvalue);
- return -EINVAL;
- }
-
- CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c);
+ 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. */