acl_set_qualifier()
QNX SDP8.0C Library ReferenceAPIDeveloper
Set the qualifier for an ACL entry
Synopsis:
#include <sys/acl.h>
int acl_set_qualifier( acl_entry_t entry_d,
const void *tag_qualifier_p );
Arguments:
- entry_d
- The descriptor of the entry whose qualifier you want to set.
- tag_qualifier_p
- A pointer to the qualifier (see below).
Library:
libc
Use the -l c option to qcc to link against this library. This library is usually included automatically.
Description:
The acl_set_qualifier() function sets the qualifier in an ACL entry. The data type of the value refered to by the tag_qualifier_p argument depends on the entry type:
| Entry type | Data type |
|---|---|
| ACL_USER | uid_t |
| ACL_GROUP | gid_t |
| Other types | Invalid; the function fails |
Note:
The uid_t and gid_t data types are defined in
<sys/types.h>.
Returns:
0, or -1 if an error occurred (errno is set).
Errors:
- EINVAL
- The value of the tag type in the entry isn't ACL_USER or ACL_GROUP.
Classification:
This function is based on the withdrawn POSIX draft P1003.1e.
| Safety: | |
|---|---|
| Cancellation point | No |
| Signal handler | No |
| Thread | Yes |
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