31 lines
626 B
C
31 lines
626 B
C
#include "libnazgul.h"
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#include "ids.h"
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void *msgPoolDataTabOpen(msgSpace * space)
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{
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int poolDataTabFd;
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void *poolDataTabAddr;
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poolDataTabFd = shm_open(space->poolDataTabId,
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O_RDWR, MSGSPACE_DEFAULT_MODE);
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if (poolDataTabFd == -1) {
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NZG_ERROR("shm_open", space->poolDataTabId);
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goto ERROR;
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}
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poolDataTabAddr = mmap(NULL, (space->poolNb) * sizeof(msgPoolData),
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PROT_READ | PROT_WRITE,
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MAP_SHARED, poolDataTabFd, 0);
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if (poolDataTabAddr == MAP_FAILED) {
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NZG_ERROR("mmap", space->poolDataTabId);
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goto ERROR;
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}
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close(poolDataTabFd);
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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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