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changed hio_dev_read() to change the multiplexer state even if the input side is known to be closed

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hyung-hwan
2022-06-26 12:02:32 +00:00
parent 412fb45099
commit f1ea810394
1 changed files with 5 additions and 0 deletions
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5
hio/lib/hio.c
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@ -1367,11 +1367,16 @@ static int __dev_read (hio_dev_t* dev, int enabled, const hio_ntime_t* tmout, vo
{ {
hio_t* hio = dev->hio; hio_t* hio = dev->hio;
/* __dev_read() doesn't perform 'read' unlike __dev_write() that actually writes.
* it only changes the multiplexer state. it may be ok to allow this state change
* request even if HIO_DEV_CAP_IN_CLOSED is set. therefore, the condtion like this
* is not implemented in this function.
if (dev->dev_cap & HIO_DEV_CAP_IN_CLOSED) if (dev->dev_cap & HIO_DEV_CAP_IN_CLOSED)
{ {
hio_seterrbfmt (hio, HIO_ENOCAPA, "unable to read closed device"); hio_seterrbfmt (hio, HIO_ENOCAPA, "unable to read closed device");
return -1; return -1;
} }
*/
if (enabled) if (enabled)
{ {