[Redbutton-devel] SF.net SVN: redbutton: [215] redbutton-download/trunk/channels.c

[<ski...@us...>]

Revision: 215
          http://svn.sourceforge.net/redbutton/?rev=215&view=rev
Author:   skilvington
Date:     2007-02-13 08:59:54 -0800 (Tue, 13 Feb 2007)

Log Message:
-----------
retry ioctl if it is interrupted by a signal

Modified Paths:
--------------
    redbutton-download/trunk/channels.c

Modified: redbutton-download/trunk/channels.c
===================================================================
--- redbutton-download/trunk/channels.c	2007-02-13 14:13:03 UTC (rev 214)
+++ redbutton-download/trunk/channels.c	2007-02-13 16:59:54 UTC (rev 215)
@@ -234,6 +234,7 @@
 tune_service_id(unsigned int adapter, unsigned int timeout, uint16_t service_id)
 {
 	char fe_dev[PATH_MAX];
+	bool got_info;
 	struct dvb_frontend_info fe_info;
 	struct dvb_frontend_parameters current_params;
 	struct dvb_frontend_parameters *needed_params;
@@ -261,8 +262,14 @@
 
 	vverbose("Getting frontend info");
 
-	if(ioctl(fe_fd, FE_GET_INFO, &fe_info) < 0)
-		fatal("ioctl FE_GET_INFO: %s", strerror(errno));
+	do
+	{
+		/* maybe interrupted by a signal */
+		got_info = (ioctl(fe_fd, FE_GET_INFO, &fe_info) >= 0);
+		if(!got_info && errno != EINTR)
+			fatal("ioctl FE_GET_INFO: %s", strerror(errno));
+	}
+	while(!got_info);
 
 	if(fe_info.type != FE_OFDM)
 	{


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