40 lines
1 KiB
C
40 lines
1 KiB
C
#include "libnazgul.h"
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#include "ids.h"
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int msgBufferInfoTabCreate(msgSpaceId externId,
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msgPoolData * poolDataTabAddr,
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int poolIdx, int bufferNb)
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{
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int bufferInfoTabFd;
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msgBufferInfoTabId bufferInfoTabId;
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/* creation des infos sur buffers DEBUT */
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if (msgBufferInfoTabIdIntern(bufferInfoTabId, externId, poolIdx) == -1) {
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NZG_ERROR("msgPoolId creation", bufferInfoTabId);
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return -1;
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}
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bufferInfoTabFd =
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shm_open(bufferInfoTabId, O_RDWR | O_CREAT | O_EXCL | O_TRUNC,
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MSGSPACE_DEFAULT_MODE);
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if (bufferInfoTabFd == -1) {
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fprintf(stderr, "msgInfoTab : %s creation failed: %s\n",
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bufferInfoTabId, strerror(errno));
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return -1;
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}
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if (ftruncate(bufferInfoTabFd, bufferNb * sizeof(msgBufferInfo)) == -1) {
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fprintf(stderr, "msgBufferInfoTab resizing failed: %s\n",
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strerror(errno));
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return -1;
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}
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close(bufferInfoTabFd);
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/* creation des infos sur buffers FIN */
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msgBufferInfoTabInit(poolDataTabAddr, poolIdx);
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return -1;
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NZG_ERROR("munmap", bufferInfoTabId);
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return -1;
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}
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