cgroup/lib/cgroup_util.c

25 ssize_t read_text(const char *path, char *buf, size_t max_len)
30 	fd = open(path, O_RDONLY);
44 ssize_t write_text(const char *path, char *buf, ssize_t len)
48 	fd = open(path, O_WRONLY | O_APPEND);
90 	char path[PATH_MAX];
93 	snprintf(path, sizeof(path), "%s/%s", cgroup, control);
95 	ret = read_text(path, buf, len);
190 	char path[PATH_MAX];
193 	snprintf(path, sizeof(path), "%s/%s", cgroup, control);
194 	ret = write_text(path, buf, len);
204 	char path[PATH_MAX];
206 	snprintf(path, sizeof(path), "%s/%s", cgroup, control);
207 	return open(path, flags);
527 	char path[PATH_MAX];
531 		snprintf(path, sizeof(path), "/proc/%s/%s",
534 		snprintf(path, sizeof(path), "/proc/%d/%s", pid, item);
536 	ret = read_text(path, buf, size);