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libsigrok: demo: close pipes on dev_acquisition_stop() 

Fixes a bug where new acquisition failes due to leftover pipes from
previous acquisitions:
	sr: demo: dev_acquisition_start: pipe() failed
Indeed, PulseView had 2024 pipes opened. With this fix, it stabilizes at
33 with sampling thread active.

Signed-off-by: Hubert CHAUMETTE <hchaumette@baylibre.com>
This commit is contained in:
Hubert CHAUMETTE 2015-07-31 09:44:09 +02:00 committed by Uwe Hermann
parent 37875f7506
commit 6c7d80afca
1 changed files with 2 additions and 0 deletions
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src/hardware/demo/demo.c
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@ -901,6 +901,8 @@ static int dev_acquisition_stop(struct sr_dev_inst *sdi, void *cb_data)
g_io_channel_shutdown(devc->channel, FALSE, NULL);
g_io_channel_unref(devc->channel);
devc->channel = NULL;
close(devc->pipe_fds[0]);
close(devc->pipe_fds[1]);
/* Send last packet. */
packet.type = SR_DF_END;