/
USysVIPC.java
executable file
·192 lines (178 loc) · 6.51 KB
/
USysVIPC.java
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package jtux;
public class USysVIPC {
/*
Not sure yet where this should be.
*/
static {
System.loadLibrary("jtux");
System.out.println("Loaded OK.");
}
/**
Java version of C struct ipc_perm.
<p>
<font size="-1"><b><i>Click {@link <a href="doc-files/synopses.html#struct_ipc_perm">here</a>} for Posix/SUS C API.</i></b></font>
*/
static public class s_ipc_perm {
public long uid; // owner user-ID
public long gid; // owner group-ID
public long cuid; // creator user-ID
public long cgid; // creator group-ID
public int mode; // permission bits
}
/**
Java version of C struct msqid_ds.
<p>
<font size="-1"><b><i>Click {@link <a href="doc-files/synopses.html#struct_msqid_ds">here</a>} for Posix/SUS C API.</i></b></font>
*/
static public class s_msqid_ds {
public s_ipc_perm msg_perm; // permission structure
public int msg_qnum; // number of messages currently on queue
public int msg_qbytes; // maximum number of bytes allowed on queue
public long msg_lspid; // process ID of last msgsnd
public long msg_lrpid; // process ID of last msgrcv
public long msg_stime; // time of last msgsnd
public long msg_rtime; // time of last msgrcv
public long msg_ctime; // time of last msgctl change
public s_msqid_ds() {
msg_perm = new s_ipc_perm();
}
}
/**
Java version of C struct semid_ds.
<p>
<font size="-1"><b><i>Click {@link <a href="doc-files/synopses.html#struct_semid_ds">here</a>} for Posix/SUS C API.</i></b></font>
*/
static public class s_semid_ds {
public s_ipc_perm sem_perm; // permission structure
public short sem_nsems; // size of set
public long sem_otime; // time of last semop
public long sem_ctime; // time of last semctl
public s_semid_ds() {
sem_perm = new s_ipc_perm();
}
}
/**
Java version of C struct shmid_ds.
<p>
<font size="-1"><b><i>Click {@link <a href="doc-files/synopses.html#struct_shmid_ds">here</a>} for Posix/SUS C API.</i></b></font>
*/
static public class s_shmid_ds {
public s_ipc_perm shm_perm; // permission structure
public int shm_segsz; // size of segment in bytes
public long shm_lpid; // process ID of last shared memory operation
public long shm_cpid; // process ID of creator
public int shm_nattch; // number of current attaches
public long shm_atime; // time of last shmat
public long shm_dtime; // time of last shmdt
public long shm_ctime; // time of last change by shmctl
public s_shmid_ds() {
shm_perm = new s_ipc_perm();
}
}
/**
Java version of C union semun. Use subclasses for different types.
<p>
<font size="-1"><b><i>Click {@link <a href="doc-files/synopses.html#union_semun">here</a>} for Posix/SUS C API.</i></b></font>
*/
static public class u_semun {
}
static public class u_semun_int extends u_semun {
public int val;
}
static public class u_semun_struct extends u_semun {
public s_semid_ds buf;
}
static public class u_semun_array extends u_semun {
public short[] array;
}
/**
Java version of C struct sembuf.
<p>
<font size="-1"><b><i>Click {@link <a href="doc-files/synopses.html#struct_sembuf">here</a>} for Posix/SUS C API.</i></b></font>
*/
static public class s_sembuf {
public short sem_num; // semaphore number
public short sem_op; // Semaphore operation
public short sem_flg; // Operation flags
}
/**
Calls ftok.
<p>
<font size="-1"><b><i>Click {@link <a href="doc-files/synopses.html#ftok">here</a>} for Posix/SUS C API.</i></b></font>
*/
public native static long ftok(String path, int id) throws UErrorException;
/**
Set message type.
<p>
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.
*/
public native static int msg_set_type(long msgtype, byte[] msgp) throws UErrorException;
/**
Calls msgctl.
<p>
<font size="-1"><b><i>Click {@link <a href="doc-files/synopses.html#msgctl">here</a>} for Posix/SUS C API.</i></b></font>
*/
public native static void msgctl(int msqid, int cmd, s_msqid_ds data) throws UErrorException;
/**
Calls msgget.
<p>
<font size="-1"><b><i>Click {@link <a href="doc-files/synopses.html#msgget">here</a>} for Posix/SUS C API.</i></b></font>
*/
public native static int msgget(long key, int flags) throws UErrorException;
/**
Calls msgrcv.
<p>
<font size="-1"><b><i>Click {@link <a href="doc-files/synopses.html#msgrcv">here</a>} for Posix/SUS C API.</i></b></font>
*/
public native static int msgrcv(int msqid, byte[] msgp, int mtextsize, long msgtype, int flags) throws UErrorException;
/**
Calls msgsnd.
<p>
<font size="-1"><b><i>Click {@link <a href="doc-files/synopses.html#msgsnd">here</a>} for Posix/SUS C API.</i></b></font>
*/
public native static void msgsnd(int msqid, byte[] msgp, int msgsize, int flags) throws UErrorException;
/**
Calls semctl.
<p>
<font size="-1"><b><i>Click {@link <a href="doc-files/synopses.html#semctl">here</a>} for Posix/SUS C API.</i></b></font>
*/
public native static int semctl(int semid, int semnum, int cmd, u_semun arg) throws UErrorException;
/**
Calls semget.
<p>
<font size="-1"><b><i>Click {@link <a href="doc-files/synopses.html#semget">here</a>} for Posix/SUS C API.</i></b></font>
*/
public native static int semget(long key, int nsems, int flags) throws UErrorException;
/**
Calls semop.
<p>
<font size="-1"><b><i>Click {@link <a href="doc-files/synopses.html#semop">here</a>} for Posix/SUS C API.</i></b></font>
*/
public native static void semop(int semid, s_sembuf[] sops, int nsops) throws UErrorException;
/**
Calls shmat.
<p>
<font size="-1"><b><i>Click {@link <a href="doc-files/synopses.html#shmat">here</a>} for Posix/SUS C API.</i></b></font>
*/
public native static long shmat(int shmid, long shmaddr, int flags) throws UErrorException;
/**
Calls shmctl.
<p>
<font size="-1"><b><i>Click {@link <a href="doc-files/synopses.html#shmctl">here</a>} for Posix/SUS C API.</i></b></font>
*/
public native static void shmctl(int shmid, int cmd, s_shmid_ds data) throws UErrorException;
/**
Calls shmdt.
<p>
<font size="-1"><b><i>Click {@link <a href="doc-files/synopses.html#shmdt">here</a>} for Posix/SUS C API.</i></b></font>
*/
public native static void shmdt(long shmaddr) throws UErrorException;
/**
Calls shmget.
<p>
<font size="-1"><b><i>Click {@link <a href="doc-files/synopses.html#shmget">here</a>} for Posix/SUS C API.</i></b></font>
*/
public native static int shmget(long key, int size, int flags) throws UErrorException;
}