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110 lines
3.1 KiB
PHP
110 lines
3.1 KiB
PHP
{
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$Id$
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This file is part of the Free Pascal run time library.
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Copyright (c) 2001 by Free Pascal development team
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Ipc body implemented using direct linux syscalls
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See the file COPYING.FPC, included in this distribution,
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for details about the copyright.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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***********************************************************************}
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Function ftok (Path : pchar; ID : cint) : TKey;
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Var Info : TStat;
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begin
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If fpstat(path,info)<0 then
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ftok:=-1
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else
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begin
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ftok:= (info.st_ino and $FFFF) or ((info.st_dev and $ff) shl 16) or (byte(ID) shl 24)
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end;
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end;
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function shmget(key: Tkey; size:cint; flag:cint):cint;
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begin
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shmget:=do_syscall (syscall_nr_SHMGET,TSysParam(key),TSysParam(size),TSysParam(flag),TSysParam(0));
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end;
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function shmat (shmid:cint; shmaddr:pointer; shmflg:cint): pointer;
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Var raddr : pointer;
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error : ptrint;
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begin
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error:=do_syscall(syscall_nr_SHMAT,TSysParam(shmid),TSysParam(shmflg),TSysParam(@raddr),TSysParam(shmaddr));
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If Error<0 then
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shmat:=pointer(error)
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else
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shmat:=raddr;
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end;
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function shmdt (shmaddr:pointer): cint;
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begin
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shmdt:=do_syscall(syscall_nr_SHMDT,TSysParam(0),TSysParam(0),TSysParam(0),TSysParam(shmaddr));
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end;
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function shmctl(shmid:cint; cmd:cint; buf: pshmid_ds): cint;
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begin
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shmctl:=do_syscall(syscall_nr_SHMCTL,TSysParam(shmid),TSysParam(cmd),TSysParam(0),TSysParam(buf));
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end;
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function msgget(key:Tkey; msgflg:cint):cint;
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begin
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msgget:=do_syscall(syscall_nr_MSGGET,TSysParam(key),TSysParam(msgflg),TSysParam(0),TSysParam(0));
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end;
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function msgsnd(msqid:cint; msgp: pmsgbuf; msgsz: size_t; msgflg:cint):cint;
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begin
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msgsnd:=do_syscall(syscall_nr_MSGSND,TSysParam(msqid),TSysParam(msgsz),TSysParam(msgflg),TSysParam(msgp));
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end;
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function msgrcv(msqid:cint; msgp: PMSGBuf; msgsz: size_t; msgtyp:cint; msgflg:cint):cint;
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Type
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TIPC_Kludge = Record
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msgp : pmsgbuf;
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msgtyp : cint;
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end;
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Var
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tmp : TIPC_Kludge;
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begin
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tmp.msgp := msgp;
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tmp.msgtyp := msgtyp;
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msgrcv:=do_syscall(syscall_nr_MSGRCV,TSysParam(msqid),TSysParam(msgsz),TSysParam(msgflg),TSysParam(@tmp));
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end;
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Function msgctl(msqid:cint; cmd: cint; buf: PMSQid_ds): cint;
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begin
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msgctl:=do_syscall(syscall_nr_MSGCTL,TSysParam(msqid),TSysParam(cmd),TSysParam(0),TSysParam(buf));
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end;
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Function semget(key:Tkey; nsems:cint; semflg:cint): cint;
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begin
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semget:=do_syscall (syscall_nr_SEMGET,TSysParam(key),TSysParam(nsems),TSysParam(semflg),TSysParam(0));
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end;
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Function semop(semid:cint; sops: psembuf; nsops:cuint): cint;
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begin
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semop:=do_syscall (syscall_nr_SEMOP,TSysParam(semid),TSysParam(nsops),TSysParam(0),TSysParam(sops));
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end;
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Function semctl(semid:cint; semnum:cint; cmd:cint; var arg: tsemun): cint;
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begin
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semctl:=do_syscall(syscall_nr_SEMCTL,TSysParam(semid),TSysParam(semnum),TSysParam(cmd),TSysParam(@arg));
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end;
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{
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$Log$
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Revision 1.2 2004-04-28 20:48:20 peter
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* ordinal-pointer conversions fixed
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Revision 1.1 2004/04/25 19:15:43 marco
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* IPC reform
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}
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