jtux
Class USysVIPC

java.lang.Object
  jtux.USysVIPC

public class USysVIPC
extends java.lang.Object

Nested Class Summary

static class	USysVIPC.s_ipc_perm Java version of C struct ipc_perm.
static class	USysVIPC.s_msqid_ds Java version of C struct msqid_ds.
static class	USysVIPC.s_sembuf Java version of C struct sembuf.
static class	USysVIPC.s_semid_ds Java version of C struct semid_ds.
static class	USysVIPC.s_shmid_ds Java version of C struct shmid_ds.
static class	USysVIPC.u_semun Java version of C union semun.
static class	USysVIPC.u_semun_array
static class	USysVIPC.u_semun_int
static class	USysVIPC.u_semun_struct

Constructor Summary

USysVIPC()

Method Summary

static long	ftok(java.lang.String path, int id) Calls ftok.
static int	msg_set_type(long msgtype, byte[] msgp) Set message type.
static void	msgctl(int msqid, int cmd, USysVIPC.s_msqid_ds data) Calls msgctl.
static int	msgget(long key, int flags) Calls msgget.
static int	msgrcv(int msqid, byte[] msgp, int mtextsize, long msgtype, int flags) Calls msgrcv.
static void	msgsnd(int msqid, byte[] msgp, int msgsize, int flags) Calls msgsnd.
static int	semctl(int semid, int semnum, int cmd, USysVIPC.u_semun arg) Calls semctl.
static int	semget(long key, int nsems, int flags) Calls semget.
static void	semop(int semid, USysVIPC.s_sembuf[] sops, int nsops) Calls semop.
static long	shmat(int shmid, long shmaddr, int flags) Calls shmat.
static void	shmctl(int shmid, int cmd, USysVIPC.s_shmid_ds data) Calls shmctl.
static void	shmdt(long shmaddr) Calls shmdt.
static int	shmget(long key, int size, int flags) Calls shmget.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

USysVIPC

public USysVIPC()

Method Detail

ftok

public static long ftok(java.lang.String path,
                        int id)
                 throws UErrorException

Calls ftok.

Click here for Posix/SUS C API.

Throws:

UErrorException

msg_set_type

public static int msg_set_type(long msgtype,
                               byte[] msgp)
                        throws UErrorException

Set message type.

Convenience function (non-standard) to set the first few bytes of a message to the message type. Number of bytes used for the type (typically 4) is retunred. Data should start at the next byte.

Throws:

UErrorException

msgctl

public static void msgctl(int msqid,
                          int cmd,
                          USysVIPC.s_msqid_ds data)
                   throws UErrorException

Calls msgctl.

Click here for Posix/SUS C API.

Throws:

UErrorException

msgget

public static int msgget(long key,
                         int flags)
                  throws UErrorException

Calls msgget.

Click here for Posix/SUS C API.

Throws:

UErrorException

msgrcv

public static int msgrcv(int msqid,
                         byte[] msgp,
                         int mtextsize,
                         long msgtype,
                         int flags)
                  throws UErrorException

Calls msgrcv.

Click here for Posix/SUS C API.

Throws:

UErrorException

msgsnd

public static void msgsnd(int msqid,
                          byte[] msgp,
                          int msgsize,
                          int flags)
                   throws UErrorException

Calls msgsnd.

Click here for Posix/SUS C API.

Throws:

UErrorException

semctl

public static int semctl(int semid,
                         int semnum,
                         int cmd,
                         USysVIPC.u_semun arg)
                  throws UErrorException

Calls semctl.

Click here for Posix/SUS C API.

Throws:

UErrorException

semget

public static int semget(long key,
                         int nsems,
                         int flags)
                  throws UErrorException

Calls semget.

Click here for Posix/SUS C API.

Throws:

UErrorException

semop

public static void semop(int semid,
                         USysVIPC.s_sembuf[] sops,
                         int nsops)
                  throws UErrorException

Calls semop.

Click here for Posix/SUS C API.

Throws:

UErrorException

shmat

public static long shmat(int shmid,
                         long shmaddr,
                         int flags)
                  throws UErrorException

Calls shmat.

Click here for Posix/SUS C API.

Throws:

UErrorException

shmctl

public static void shmctl(int shmid,
                          int cmd,
                          USysVIPC.s_shmid_ds data)
                   throws UErrorException

Calls shmctl.

Click here for Posix/SUS C API.

Throws:

UErrorException

shmdt

public static void shmdt(long shmaddr)
                  throws UErrorException

Calls shmdt.

Click here for Posix/SUS C API.

Throws:

UErrorException

shmget

public static int shmget(long key,
                         int size,
                         int flags)
                  throws UErrorException

Calls shmget.

Click here for Posix/SUS C API.

Throws:

UErrorException