30 lines
508 B
C
30 lines
508 B
C
#include "libnazgul.h"
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#include "ids.h"
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void * msgQueueOpen(msgQueueId queueId){
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int queueFd;
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void * queueAddr;
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queueFd=shm_open(queueId,O_RDWR,SHM_DEFAULT_MODE);
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if (queueFd == -1 ) {
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NZG_ERROR("shm_open : msgQueue open",queueId);
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goto ERROR;
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}
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queueAddr=mmap(NULL,
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sizeof(msgQueue),
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PROT_READ|PROT_WRITE,
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MAP_SHARED,
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queueFd,
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0);
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if( queueAddr == MAP_FAILED ) {
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NZG_ERROR("mmap",queueId);
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goto ERROR;
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}
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close(queueFd);
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return queueAddr;
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ERROR:
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return NULL;
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}
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