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ntdll: Properly test line status register for TIOCSER_TEMT bit.

This commit is contained in:
Dmitry Timoshkov 2013-08-27 17:41:10 +09:00 committed by Alexandre Julliard
parent e3dcdadaca
commit d21b05b06d
1 changed files with 6 additions and 1 deletions
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7
dlls/ntdll/serial.c
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@ -804,6 +804,8 @@ typedef struct async_commio
*/
static NTSTATUS get_irq_info(int fd, serial_irq_info *irq_info)
{
int out;
#if defined (HAVE_LINUX_SERIAL_H) && defined (TIOCGICOUNT)
struct serial_icounter_struct einfo;
if (!ioctl(fd, TIOCGICOUNT, &einfo))
@ -828,8 +830,11 @@ static NTSTATUS get_irq_info(int fd, serial_irq_info *irq_info)
irq_info->temt = 0;
/* Generate a single TX_TXEMPTY event when the TX Buffer turns empty*/
#ifdef TIOCSERGETLSR /* prefer to log the state TIOCSERGETLSR */
if (!ioctl(fd, TIOCSERGETLSR, &irq_info->temt))
if (!ioctl(fd, TIOCSERGETLSR, &out))
{
irq_info->temt = (out & TIOCSER_TEMT) != 0;
return STATUS_SUCCESS;
}
TRACE("TIOCSERGETLSR err %s\n", strerror(errno));
#endif