DCMD_CHR_ENABLE_LOGGING
QNX SDP8.0Devctl and Ioctl CommandsDeveloper
Enable the logging of transmitted and/or received data
Synopsis:
#include <sys/dcmd_chr.h>
#define DCMD_CHR_ENABLE_LOGGING __DIOT(_DCMD_CHR, 36, int)
Arguments to devctl():
Argument | Value |
---|---|
filedes | A file descriptor that you obtained by opening the device. |
dcmd | DCMD_CHR_ENABLE_LOGGING |
dev_data_ptr | A pointer to a int |
n_bytes | sizeof(int) |
dev_info_ptr | NULL |
Description:
This command enables the logging of transmitted and/or received data.
Input:
A bitwise OR of the flags that specify the type of data:
- _LOG_RX — received
- _LOG_TX — transmitted
Output:
None.
See also:
DCMD_CHR_DISABLE_LOGGING, DCMD_CHR_FLUSH_LOG
devctl() in the QNX OS C Library Reference
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