aboutsummaryrefslogtreecommitdiff
path: root/Documentation
diff options
context:
space:
mode:
Diffstat (limited to 'Documentation')
-rw-r--r--Documentation/hwmon/hpfall.c64
1 files changed, 31 insertions, 33 deletions
diff --git a/Documentation/hwmon/hpfall.c b/Documentation/hwmon/hpfall.c
index bbea1ccfd46..d2f6711b468 100644
--- a/Documentation/hwmon/hpfall.c
+++ b/Documentation/hwmon/hpfall.c
@@ -57,45 +57,43 @@ void ignore_me(void)
{
protect(0);
set_led(0);
-
}
-int main(int argc, char* argv[])
+int main(int argc, char *argv[])
{
- int fd, ret;
+ int fd, ret;
- fd = open("/dev/freefall", O_RDONLY);
- if (fd < 0) {
- perror("open");
- return EXIT_FAILURE;
- }
+ fd = open("/dev/freefall", O_RDONLY);
+ if (fd < 0) {
+ perror("open");
+ return EXIT_FAILURE;
+ }
signal(SIGALRM, ignore_me);
- for (;;) {
- unsigned char count;
-
- ret = read(fd, &count, sizeof(count));
- alarm(0);
- if ((ret == -1) && (errno == EINTR)) {
- /* Alarm expired, time to unpark the heads */
- continue;
- }
-
- if (ret != sizeof(count)) {
- perror("read");
- break;
- }
-
- protect(21);
- set_led(1);
- if (1 || on_ac() || lid_open()) {
- alarm(2);
- } else {
- alarm(20);
- }
- }
+ for (;;) {
+ unsigned char count;
+
+ ret = read(fd, &count, sizeof(count));
+ alarm(0);
+ if ((ret == -1) && (errno == EINTR)) {
+ /* Alarm expired, time to unpark the heads */
+ continue;
+ }
+
+ if (ret != sizeof(count)) {
+ perror("read");
+ break;
+ }
+
+ protect(21);
+ set_led(1);
+ if (1 || on_ac() || lid_open())
+ alarm(2);
+ else
+ alarm(20);
+ }
- close(fd);
- return EXIT_SUCCESS;
+ close(fd);
+ return EXIT_SUCCESS;
}