i
ipcs(1) | ipcs(1) |
RA process is waiting on a msgrcv().
SA process is waiting on a msgsnd().
DThe associated shared memory segment has been removed. It will disap- pear when the last process attached to the segment detaches it.
CThe associated shared memory segment is to be cleared when the ®rst attach is executed.
-The corresponding special ¯ag is not set.
| The next 9 characters are interpreted as three sets of three characters each. The ®rst |
| set refers to the owner's permissions, the next to permissions of others in the group of |
| the facility entry, and the last to all others. |
| Within each set, the ®rst character indicates permission to read, the second character |
| indicates permission to write or alter the facility entry, and the last character is |
| currently unused. |
| r Read permission is granted. |
| w Write permission is granted. |
| a Alter permission is granted. |
| - The indicated permission is not granted. |
OWNER | The login name of the owner of the facility entry. |
GROUP | The group name of the group of the owner of the facility entry. |
CREATOR | The login name of the creator of the facility entry. |
CGROUP | The group name of the group of the creator of the facility entry. |
CBYTES | The number of bytes in messages currently outstanding on the associated message |
| queue. |
QNUM | The number of messages currently outstanding on the associated message queue. |
QBYTES | The maximum number of bytes allowed in messages outstanding on the associated |
| message queue. |
LSPID | The process ID of the last process to send a message to the associated message queue. |
LRPID | The process ID of the last process to receive a message from the associated message |
| queue. |
STIME | The time the last msgsnd() message was sent to the associated message queue. |
RTIME | The time the last msgrcv() message was received from the associated message |
| queue. |
CTIME | The time when the associated facility entry was created or changed. |
NATTCH | The number of processes attached to the associated shared memory segment. |
SEGSZ | The size of the associated shared memory segment. |
CPID | The process ID of the creating process of the shared memory segment. |
LPID | The process ID of the last process to attach or detach the shared memory segment. |
ATIME | The time the last shmat() attach was completed to the associated shared memory |
| segment. |
DTIME | The time the last shmdt() detach was completed on the associated shared memory |
| segment. |
NSEMS | The number of semaphores in the set associated with the semaphore entry. |
OTIME | The time the last semop() semaphore operation was completed on the set associated |
| with the semaphore entry. |
WARNINGS
ipcs produces only an approximate indication of actual system status because system processes are continually changing while ipcs is acquiring the requested information.
Do not rely on the exact ®eld widths and spacing of the output, as these will vary depending on the system, the release of
Section 1−362 | − 2 − |