minor code cleanup

diff --git a/src/jogshuttle.cpp b/src/jogshuttle.cpp
index fd32153026a4425da4ff97612060d16aad057886..0188b166a7367ce42720f327fc587f2508407220 100644 (file)
--- a/src/jogshuttle.cpp
+++ b/src/jogshuttle.cpp
@@ -31,6 +31,8 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <fcntl.h>
+#include <errno.h>
+#include <string.h>
 #include <linux/input.h>
 
 #define DELAY 10
@@ -114,16 +116,19 @@ void ShuttleThread::run()
 
                /* reinit the timeout structure */
                timeout.tv_sec  = 0;
-               timeout.tv_usec = 300000; /* 300 ms */
+               timeout.tv_usec = 400000; /* 400 ms */
 
-               /* do the select */
+               /* do select in blocked mode and wake up after timeout for eval stop_me */
                result = select(fd+1, &readset, NULL, NULL, &timeout);
 
-               /* see if there was an error or timeout */
+               /* see if there was an error or timeout else process event */
                if (result < 0) {
-                       // perror("select failed");
+                       /* usually this is a condition for exit but EINTR error is thrown
+                        * one time when the playback is started the first time. I think
+                        * its ok to ignore this if its not too often */
+                       kDebug() << strerror(errno) << "\n";
                } else if (result == 0) {
-                       //puts("TIMEOUT");
+                       /* do nothing. reserved for future purposes */
                } else {
                        /* we have input */
                        if (FD_ISSET(fd, &readset)) {
@@ -146,7 +151,7 @@ void ShuttleThread::run()
                                        /* process event */
                                        handle_event(ev);
                                } else {
-                                       fprintf(stderr, "Can't set Jog Shuttle FILE DESCRIPTOR to O_NONBLOCK\n");
+                                       fprintf(stderr, "Can't set Jog Shuttle FILE DESCRIPTOR to O_NONBLOCK and stop thread\n");
                                        stop_me = true;
                                }
                        }