DCMD_PTPD_SEND_SIGNALING_MSG
QNX SDP8.0Devctl and Ioctl CommandsDeveloper
Send a signaling message
Synopsis:
#include <dcmd_ptpd.h>
#define DCMD_PTPD_SEND_SIGNALING_MSG __DION(_DCMD_NET, 16 )
Arguments to devctl():
Argument | Value |
---|---|
filedes | A file descriptor that you obtained by opening /dev/ptpd |
dcmd | DCMD_PTPD_SEND_SIGNALING_MSG |
dev_data_ptr | NULL |
n_bytes | 0 |
dev_info_ptr | NULL |
Description:
This command sends a signaling message for the Precision Time Protocol.
Note:
To use this command, you must specify the -K option when you start
ptpd2.
Input:
None.
Output:
None.
Example:
if(devctl(fd, DCMD_PTPD_SEND_SIGNALING_MSG, NULL, 0, NULL) != EOK)
{
/* Error */
}
See also:
DCMD_PTPD_DELAYMS, DCMD_PTPD_DELAYSM, DCMD_PTPD_GET_PDELAY_INTERVAL, DCMD_PTPD_GET_TAI_UTC_OFFSET, DCMD_PTPD_GET_TIME, DCMD_PTPD_INFO, DCMD_PTPD_SET_PDELAY_INTERVAL, DCMD_PTPD_STATUS
devctl() in the QNX OS C Library Reference
ptpd2 in the Utilities Reference
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