21 	int fd;  in sysfs_read_file()  local
24 	fd = open(path, O_RDONLY);  in sysfs_read_file()
25 	if (fd == -1)  in sysfs_read_file()
28 	numread = read(fd, buf, buflen - 1);  in sysfs_read_file()
30 		close(fd);  in sysfs_read_file()
35 	close(fd);  in sysfs_read_file()
51 	int fd;  in sysfs_is_cpu_online()  local
71 	fd = open(path, O_RDONLY);  in sysfs_is_cpu_online()
72 	if (fd == -1)  in sysfs_is_cpu_online()
75 	numread = read(fd, linebuf, MAX_LINE_LEN - 1);  in sysfs_is_cpu_online()
77 		close(fd);  in sysfs_is_cpu_online()
81 	close(fd);  in sysfs_is_cpu_online()
129 	int fd;  in sysfs_idlestate_read_file()  local
135 	fd = open(path, O_RDONLY);  in sysfs_idlestate_read_file()
136 	if (fd == -1)  in sysfs_idlestate_read_file()
139 	numread = read(fd, buf, buflen - 1);  in sysfs_idlestate_read_file()
141 		close(fd);  in sysfs_idlestate_read_file()
146 	close(fd);  in sysfs_idlestate_read_file()
164 	int fd;  in sysfs_idlestate_write_file()  local
170 	fd = open(path, O_WRONLY);  in sysfs_idlestate_write_file()
171 	if (fd == -1)  in sysfs_idlestate_write_file()
174 	numwrite = write(fd, value, len);  in sysfs_idlestate_write_file()
176 		close(fd);  in sysfs_idlestate_write_file()
180 	close(fd);  in sysfs_idlestate_write_file()