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Remove a condition from an entity
#include <ha/ham.h>
int ham_condition_remove( ham_condition_t *chdl,
unsigned flags );
libham
The ham_condition_remove() function removes a condition from an entity.
The chdl argument is a handle to a condition that was
previously obtained by a call to ham_condition() or to ham_condition_handle().
There are no flags defined at this time.
|
The ham_connect() function must be called
before the first call to ham_condition_remove()
in a process. If a process calls
ham_connect() and then
calls
fork(), the
child process needs to call
ham_connect() again before it can successfully
call ham_condition_remove() to remove conditions. |
- 0
- Success.
- -1
- An error occurred (errno is set).
- EBADF
- Couldn't connect to the HAM.
- EINVAL
- The handle passed as an argument is invalid.
The connection to the HAM is invalid. This happens when the
process that opened the connection (using ham_connect())
and the process that's calling ham_condition_remove() aren't the same.
- ENOENT
- There's no condition corresponding to the handle supplied.
In addition to the above errors, the HAM returns any error
it encounters while servicing the request.
QNX Neutrino
Safety: | |
Cancellation point |
No |
Interrupt handler |
No |
Signal handler |
No |
Thread |
Yes |
ham_condition(),
ham_condition_handle(),
ham_connect()
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