rsrcdbmgr_detach()
QNX SDP8.0C Library ReferenceAPIDeveloper
Return a system resource to the resource database
Synopsis:
#include <sys/rsrcdbmgr.h>
int rsrcdbmgr_detach( rsrc_request_t *list,
int count );
Arguments:
- list
- An array of rsrc_request_t structures that describe the resources that you want to return. For information about this structure, see the documentation for rsrcdbmgr_attach().
- count
- The number of entries in the array.
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
Description:
The rsrcdbmgr_detach() function returns count resources in list to the database of available system resources. You must return the resource with the same start, end, and flags (type) that were issued for the resource when it was allocated with rsrcdbmgr_attach().
Note:
In order to successfully use the rsrcdbmgr_*() functions to modify
the resource database, your process must have the PROCMGR_AID_RSRCDBMGR ability enabled.
For more information, see
procmgr_ability().
Returns:
- EOK
- Success.
- -1
- An error occurred; errno is set.
Errors:
- EINTR
- The call was interrupted by a signal.
- EINVAL
- Invalid argument, or the resource is in use by a process, isn't found in the database, or can't be returned to the system.
- ENOMEM
- Insufficient memory to allocate internal data structures.
- EPERM
- The calling process doesn't have the required permission; see procmgr_ability().
Examples:
See the examples in rsrcdbmgr_attach().
Classification:
| Safety: | |
|---|---|
| Cancellation point | Yes |
| Signal handler | Yes |
| Thread | Yes |
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