43 lines
974 B
C
43 lines
974 B
C
#include "libnazgul.h"
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#include "ids.h"
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void * msgPoolDataTabCreate(msgSpace * space){
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int poolDataFd; // shm file descriptor
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msgPoolData * poolDataTabAddr;
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poolDataFd=shm_open(
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space->poolDataTabId,
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O_RDWR|O_CREAT|O_EXCL|O_TRUNC,
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MSGSPACE_DEFAULT_MODE
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);
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if (poolDataFd == -1 ) {
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NZG_ERROR("shm_open :create",space->poolDataTabId);
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goto ERROR;
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}
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/* allocation de la bonne zone mémoire pour le poolData */
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if (ftruncate(poolDataFd, (space->poolNb)*sizeof(msgPoolData)) == -1){
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NZG_ERROR("ftruncate",space->poolDataTabId);
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goto ERROR;
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}
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close(poolDataFd);
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poolDataTabAddr = msgPoolDataTabOpen(space);
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if (poolDataTabAddr == NULL){
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NZG_ERROR("msgPoolDataTabOpen : create",space->poolDataTabId);
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goto ERROR;
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}
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/*mmap( 0, sizeof( *mSAddr ),
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PROT_READ | PROT_WRITE,
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MAP_SHARED, mSFd, 0 );
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if( poolDataAddr == MAP_FAILED ) {
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NZG_ERROR("mmap",poolDataTabId);
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goto ERROR;
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}*/
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return poolDataTabAddr;
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ERROR:
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return NULL;
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}
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