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ShmInit.cc

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00001 #ifndef _ShmInit_CC_
00002 #define _ShmInit_CC_
00003 
00004 #include "../includes/Header.hh"
00005 #include "../includes/ShmCommon.h"
00006 using namespace std;
00007 
00008 int ShmInit(key_t shm_key, int shm_size,int *shrd_id,int *shm_ptr)
00009 {
00010   shm_key = ftok(KEYFILE_PATH,PROJ_CHAR);
00011   if( shm_key == -1 ) {
00012     perror("ftok()");
00013     return 1;
00014   }
00015   *shrd_id = shmget(shm_key, shm_size, IPC_CREAT|0666);
00016   if( *shrd_id < 0 ){
00017     printf("[shm_initialize]: Can't Access to the Shared Memory !! \n" );
00018     return -1;
00019   }
00020   *shm_ptr = (int)shmat( *shrd_id, NULL, 0);
00021   memset( (void *)*shm_ptr, 0, shm_size );
00022 
00023   return  *shrd_id;
00024 }
00025 
00026 #endif

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