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Merge pull request #1098 from filbranden/cpuaffinity2

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Getting rid of FOREACH_WORD_QUOTED and some more cleanup in config_parse_cpu_affinity2
This commit is contained in:
Lennart Poettering 2015-09-01 20:52:52 +02:00
commit b85ec419cb
2 changed files with 18 additions and 16 deletions
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3
src/basic/util.h
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@ -363,6 +363,9 @@ int fd_is_temporary_fs(int fd);
int pipe_eof(int fd);
DEFINE_TRIVIAL_CLEANUP_FUNC(cpu_set_t*, CPU_FREE);
#define _cleanup_cpu_free_ _cleanup_(CPU_FREEp)
cpu_set_t* cpu_set_malloc(unsigned *ncpus);
#define xsprintf(buf, fmt, ...) assert_se((size_t) snprintf(buf, ELEMENTSOF(buf), fmt, __VA_ARGS__) < ELEMENTSOF(buf))

31
src/core/main.c
View File

@ -433,25 +433,28 @@ static int config_parse_cpu_affinity2(
void *data,
void *userdata) {
const char *word, *state;
size_t l;
cpu_set_t *c = NULL;
const char *whole_rvalue = rvalue;
_cleanup_cpu_free_ cpu_set_t *c = NULL;
unsigned ncpus = 0;
assert(filename);
assert(lvalue);
assert(rvalue);
FOREACH_WORD_QUOTED(word, l, rvalue, state) {
char *t;
int r;
for (;;) {
_cleanup_free_ char *word = NULL;
unsigned cpu;
int r;
if (!(t = strndup(word, l)))
return log_oom();
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;
}
if (r == 0)
break;
r = safe_atou(t, &cpu);
free(t);
r = safe_atou(word, &cpu);
if (!c)
if (!(c = cpu_set_malloc(&ncpus)))
@ -460,23 +463,19 @@ static int config_parse_cpu_affinity2(
if (r < 0 || cpu >= ncpus) {
log_syntax(unit, LOG_ERR, filename, line, -r,
"Failed to parse CPU affinity '%s'", rvalue);
CPU_FREE(c);
return -EBADMSG;
}
CPU_SET_S(cpu, CPU_ALLOC_SIZE(ncpus), c);
}
if (!isempty(state))
if (!isempty(rvalue))
log_syntax(unit, LOG_ERR, filename, line, EINVAL,
"Trailing garbage, ignoring.");
if (c) {
if (c)
if (sched_setaffinity(0, CPU_ALLOC_SIZE(ncpus), c) < 0)
log_warning("Failed to set CPU affinity: %m");
CPU_FREE(c);
}
return 0;
}