errno handling

[vuplus_dvbapp] / lib / dvb / demux.cpp

diff --git a/lib/dvb/demux.cpp b/lib/dvb/demux.cpp
index 931c6c7..73cedc3 100644 (file)
--- a/lib/dvb/demux.cpp
+++ b/lib/dvb/demux.cpp
@@ -632,10 +632,18 @@ RESULT eDVBTSRecorder::startPID(int pid)
        }
        m_pids[pid] = fd;
 #else
-       if (::ioctl(m_source_fd, DMX_ADD_PID, pid))
-               perror("DMX_ADD_PID");
-       else
-               m_pids[pid] = 1;
+       bool retry=false;
+       while(true) {
+               if (::ioctl(m_source_fd, DMX_ADD_PID, pid) < 0) {
+                       perror("DMX_ADD_PID");
+                       if (errno == EAGAIN || errno == EINTR) {
+                               eDebug("retry!");
+                               continue;
+                       }
+               } else
+                       m_pids[pid] = 1;
+               break;
+       }
 #endif
        return 0;
 }
@@ -648,8 +656,16 @@ void eDVBTSRecorder::stopPID(int pid)
 #else
        if (m_pids[pid] != -1)
        {
-               if (::ioctl(m_source_fd, DMX_REMOVE_PID, pid))
-                       perror("DMX_REMOVE_PID");
+               while(true) {
+                       if (::ioctl(m_source_fd, DMX_REMOVE_PID, pid) < 0) {
+                               perror("DMX_REMOVE_PID");
+                               if (errno == EAGAIN || errno == EINTR) {
+                                       eDebug("retry!");
+                                       continue;
+                               }
+                       }
+                       break;
+               }
        }
 #endif
        m_pids[pid] = -1;