X-Git-Url: http://git.cinelerra-gg.org/git/?a=blobdiff_plain;f=cinelerra-5.1%2Fcinelerra%2Fshmemory.C;fp=cinelerra-5.1%2Fcinelerra%2Fshmemory.C;h=0e220e5f7ef5b84ef1288f7b1fc7e41b376c39d1;hb=30bdb85eb33a8ee7ba675038a86c6be59c43d7bd;hp=0000000000000000000000000000000000000000;hpb=52fcc46226f9df46f9ce9d0566dc568455a7db0b;p=goodguy%2Fhistory.git diff --git a/cinelerra-5.1/cinelerra/shmemory.C b/cinelerra-5.1/cinelerra/shmemory.C new file mode 100644 index 00000000..0e220e5f --- /dev/null +++ b/cinelerra-5.1/cinelerra/shmemory.C @@ -0,0 +1,67 @@ + +/* + * CINELERRA + * Copyright (C) 2008 Adam Williams + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + * + */ + +#include +#include "bcipc.h" +#include "shmemory.h" + + +SharedMem::SharedMem(long size) +{ + shmid = shmget(IPC_PRIVATE, size, IPC_CREAT | 0777); + if(shmid < 0) + perror("SharedMem::SharedMem"); + else + { + data = (char*)shmat(shmid, 0, 0); + shmctl(shmid, IPC_RMID, 0); + } + this->size = size; + client = 0; +} + +SharedMem::SharedMem(int id, long size) +{ + this->shmid = id; + + data = (char*)shmat(shmid, 0, 0); + this->size = size; + client = 1; +} + +SharedMem::~SharedMem() +{ + shmdt(data); + data = 0; + size = 0; + shmid = 0; +} + +int SharedMem::get_id() +{ + return shmid; +} + +long SharedMem::get_size() +{ + return size; +} +