Applied patch from Martin Schlemmer for locking issue, see bug http://bugzilla.gnome...

Original commit message from CVS:
Applied patch from Martin Schlemmer for locking issue, see bug http://bugzilla.gnome.org/show_bug.cgi?id=102025

diff --git a/sys/oss/gstosscommon.c b/sys/oss/gstosscommon.c
index 65c8a78..255ac6a 100644 (file)
--- a/sys/oss/gstosscommon.c
+++ b/sys/oss/gstosscommon.c
@@ -281,9 +281,23 @@ gst_osscommon_open_audio (GstOssCommon *common, GstOssOpenMode mode, gchar **err
   GST_INFO (GST_CAT_PLUGIN_INFO, "common: attempting to open sound device");
 
   /* first try to open the sound card */
-  /* FIXME: this code is dubious, why do we need to open and close this ?*/
+  /* FIXME: This code is dubious, why do we need to open and close this ?
+   *        For linux at least this causes the second open to never return
+   *        if the device was already in use .. */
+#ifndef __linux__
   if (mode == GST_OSSCOMMON_WRITE) {
+#endif
     common->fd = open (common->device, O_WRONLY | O_NONBLOCK);
+#ifdef __linux__
+       if (common->fd >= 0) {
+         /* remove the non-blocking flag */
+         if(fcntl (common->fd, F_SETFL, 0) < 0) {
+               *error = g_strdup_printf ("osscommon: Can't make filedescriptor blocking for %s",
+                                  common->device);
+               return FALSE;
+         }
+       }
+#else
     if (errno == EBUSY) {
       g_warning ("osscommon: unable to open the sound device (in use ?)\n");
     }
@@ -297,9 +311,14 @@ gst_osscommon_open_audio (GstOssCommon *common, GstOssOpenMode mode, gchar **err
   else {
     common->fd = open (common->device, O_RDONLY);
   }
+#endif
 
   if (common->fd < 0) {
     switch (errno) {
+         case EBUSY:
+       *error = g_strdup_printf ("osscommon: Unable to open %s (in use ?)",
+                          common->device);
+       break;
       case EISDIR:
        *error = g_strdup_printf ("osscommon: Device %s is a directory",
                           common->device);