sec_getsemsec Subroutine
Purpose
Gets the security attributes of a semaphore identifier.
Library
Standard C library (libc.a)
Syntax
#include <sys/mac.h>
#include <sys/ipc.h>
#include <sys/sem.h>int sec_getsemsec (semid, ipcsec)
int semid;
ipc_sec_t *ipcsec;
Description
The sec_getsemsec subroutine retrieves the security attributes associated with the semaphore that is specified by the semid parameter. The returned security attributes are stored in the structure that is pointed to by the ipcsec parameter. For a successful completion of the subroutine, the calling process must have MAC and DAC READ access to the semaphore.
Parameters
| Item | Description |
|---|---|
| semid | Specifies the semaphore. |
| ipcsec | Points to an ipc_sec_t structure. |
Return Values
| Item | Description |
|---|---|
| 0 | Successful |
| -1 | Unsuccessful |
Error Codes
| Item | Description |
|---|---|
| EACCES | The calling process does not have permissions or privileges. |
| EFAULT | The address that the ipcsec parameter points to is not valid. |
| EINVAL | The semaphore that the semid parameter specifies is not valid. |