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dvbsrc: rework _output_frontend_stats()

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Retry stat reporting ioctls on EINTR
This commit is contained in:
Reynaldo H. Verdejo Pinochet 2014-10-24 20:12:23 -03:00
parent 34216b8332
commit 2879abd4f9
1 changed files with 27 additions and 10 deletions
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37
sys/dvb/gstdvbsrc.c
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@ -2054,26 +2054,43 @@ gst_dvbsrc_output_frontend_stats (GstDvbSrc * src)
{
fe_status_t status;
uint16_t snr, _signal;
uint32_t ber, uncorrected_blocks;
uint32_t ber, bad_blks;
GstMessage *message;
GstStructure *structure;
int fe_fd = src->fd_frontend;
gint err;
if (ioctl (fe_fd, FE_READ_STATUS, &status) ||
ioctl (fe_fd, FE_READ_SIGNAL_STRENGTH, &_signal) ||
ioctl (fe_fd, FE_READ_SNR, &snr) ||
ioctl (fe_fd, FE_READ_BER, &ber) ||
ioctl (fe_fd, FE_READ_UNCORRECTED_BLOCKS, &uncorrected_blocks)) {
GST_WARNING_OBJECT (src, "Failed to get statistics from the device");
return;
}
LOOP_WHILE_EINTR (err, ioctl (fe_fd, FE_READ_STATUS, &status));
if (err)
goto error_out;
LOOP_WHILE_EINTR (err, ioctl (fe_fd, FE_READ_SIGNAL_STRENGTH, &_signal));
if (err)
goto error_out;
LOOP_WHILE_EINTR (err, ioctl (fe_fd, FE_READ_SNR, &snr));
if (err)
goto error_out;
LOOP_WHILE_EINTR (err, ioctl (fe_fd, FE_READ_BER, &ber));
if (err)
goto error_out;
LOOP_WHILE_EINTR (err, ioctl (fe_fd, FE_READ_UNCORRECTED_BLOCKS, &bad_blks));
if (err)
goto error_out;
structure = gst_structure_new ("dvb-frontend-stats", "status", G_TYPE_INT,
status, "signal", G_TYPE_INT, _signal, "snr", G_TYPE_INT, snr,
"ber", G_TYPE_INT, ber, "unc", G_TYPE_INT, uncorrected_blocks,
"ber", G_TYPE_INT, ber, "unc", G_TYPE_INT, bad_blks,
"lock", G_TYPE_BOOLEAN, status & FE_HAS_LOCK, NULL);
message = gst_message_new_element (GST_OBJECT (src), structure);
gst_element_post_message (GST_ELEMENT (src), message);
return;
error_out:
GST_WARNING_OBJECT (src, "Failed to get statistics from the device: %s",
g_strerror (errno));
}
struct diseqc_cmd