1 files changed, 31 insertions, 0 deletions

diff --git a/libblkid/include/timer.h b/libblkid/include/timer.h
new file mode 100644
index 000000000..79ef64919
--- /dev/null
+++ b/libblkid/include/timer.h
@@ -0,0 +1,31 @@
+#ifndef UTIL_LINUX_TIMER_H
+#define UTIL_LINUX_TIMER_H
+
+#include <signal.h>
+#include <sys/time.h>
+
+static inline int setup_timer(
+			struct itimerval *timer,
+			struct itimerval *old_timer,
+			struct sigaction *old_sa,
+			void (*timeout_handler)(int))
+{
+	struct sigaction sa;
+
+	memset(&sa, 0, sizeof sa);
+	sa.sa_handler = timeout_handler;
+	sa.sa_flags = SA_RESETHAND;
+	sigaction(SIGALRM, &sa, old_sa);
+
+	return setitimer(ITIMER_REAL, timer, old_timer);
+}
+
+static inline void cancel_timer(
+			struct itimerval *old_timer,
+			struct sigaction *old_sa)
+{
+	setitimer(ITIMER_REAL, old_timer, NULL);
+	sigaction(SIGALRM, old_sa, NULL);
+}
+
+#endif