diff options
Diffstat (limited to 'Documentation/hwmon/hpfall.c')
| -rw-r--r-- | Documentation/hwmon/hpfall.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/Documentation/hwmon/hpfall.c b/Documentation/hwmon/hpfall.c index d2f6711b468b..a3cfe1a5f964 100644 --- a/Documentation/hwmon/hpfall.c +++ b/Documentation/hwmon/hpfall.c @@ -16,6 +16,8 @@ #include <stdint.h> #include <errno.h> #include <signal.h> +#include <sys/mman.h> +#include <sched.h> void write_int(char *path, int i) { @@ -62,6 +64,7 @@ void ignore_me(void) int main(int argc, char *argv[]) { int fd, ret; + struct sched_param param; fd = open("/dev/freefall", O_RDONLY); if (fd < 0) { @@ -69,6 +72,11 @@ int main(int argc, char *argv[]) return EXIT_FAILURE; } + daemon(0, 0); + param.sched_priority = sched_get_priority_max(SCHED_FIFO); + sched_setscheduler(0, SCHED_FIFO, ¶m); + mlockall(MCL_CURRENT|MCL_FUTURE); + signal(SIGALRM, ignore_me); for (;;) { |