ham_verbose()
QNX SDP8.0High Availability Framework Developer's GuideDeveloper
Modify the verbosity of a HAM
Synopsis:
#include <ha/ham.h>
int ham_verbose( const char *reserved,
int op,
int value);
Arguments:
- reserved
- Set this argument to NULL.
- op
- The operation to perform on the verbosity; one of the following:
- VERBOSE_SET_INCR — increment the verbosity.
- VERBOSE_SET_DECR — decrement the verbosity.
- VERBOSE_SET — set the verbosity to a specific value.
- VERBOSE_GET — get the verbosity.
- value
- The increment, decrement, or specific value for the verbosity, depending on the value of op. The value must be a non-negative integer. If value is zero, the function uses 1 for the increment or decrement.
Library:
libham
Description:
The ham_verbose() function can be used to get or modify the verbosity of a HAM. You can also use the hamctrl utility to do this.
Returns:
When setting the verbosity:
- 0
- Success.
- -1
- An error occurred (errno is set).
If op is VERBOSE_GET, the function returns the current verbosity, or -1 if an error occurred (errno is set).
Errors:
- EBADF
- Couldn't connect to the HAM.
- EINVAL
- The value or op variable is invalid.
In addition to the above errors, the HAM returns any error it encounters while servicing this request.
Classification:
| Safety: | |
|---|---|
| Cancellation point | No |
| Signal handler | No |
| Thread | Yes |
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