DCMD_CHR_TCDRAIN

Wait until all output has been transmitted to a device

Synopsis:

#include <sys/dcmd_chr.h>

#define DCMD_CHR_TCDRAIN   __DION(_CMD_IOCTL_TTY, 94)   /* TIOCDRAIN */

Argument	Value
`filedes`	A file descriptor that you obtained by opening the device.
`dcmd`	DCMD_CHR_TCDRAIN
`dev_data_ptr`	NULL
`n_bytes`	0
`dev_info_ptr`	NULL

This command waits until all output has been transmitted to a device. It's also implemented as the TIOCDRAIN ioctl() command.

Note: This command is for internal use, and you shouldn't use it directly. Instead use the tcdrain() cover function.

None.

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