1 files changed, 25 insertions, 0 deletions
diff --git a/src/util.c b/src/util.c
index cd7ff93..031f5ae 100644
--- a/src/util.c
+++ b/src/util.c
@@ -16,11 +16,36 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#define _GNU_SOURCE
+
 #include <ctype.h>
+#include <errno.h>
 #include <stdlib.h>
 #include <string.h>
+#include <time.h>
 #include <util.h>
 
+int
+msleep(long msec)
+{
+  struct timespec ts;
+  int res;
+
+  if (msec < 0) {
+    errno = EINVAL;
+    return -1;
+  }
+
+  ts.tv_sec = msec / 1000;
+  ts.tv_nsec = (msec % 1000) * 1000000;
+
+  do {
+    res = nanosleep(&ts, &ts);
+  } while (res && errno == EINTR);
+
+  return res;
+}
+
 char *
 ltrim(char *s)
 {