diff options
Diffstat (limited to 'src/basic/cpu-set-util.c')
| -rw-r--r-- | src/basic/cpu-set-util.c | 32 |
1 files changed, 18 insertions, 14 deletions
diff --git a/src/basic/cpu-set-util.c b/src/basic/cpu-set-util.c index 5e064d854f..4950c66767 100644 --- a/src/basic/cpu-set-util.c +++ b/src/basic/cpu-set-util.c @@ -20,9 +20,11 @@ along with systemd; If not, see <http://www.gnu.org/licenses/>. ***/ +#include "alloc-util.h" +#include "cpu-set-util.h" #include "extract-word.h" +#include "parse-util.h" #include "util.h" -#include "cpu-set-util.h" cpu_set_t* cpu_set_malloc(unsigned *ncpus) { cpu_set_t *c; @@ -70,14 +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; @@ -87,13 +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. */ |