4283   int hShm;                  /* Open file descriptor */  member
4349     if( osFcntl(pShmNode->hShm, F_GETLK, &f)<0 ){  in unixFcntlExternalReader()
4388   if( pShmNode->hShm>=0 ){  in unixShmSystemLock()
4395     res = osSetPosixAdvisoryLock(pShmNode->hShm, &f, pFile);  in unixShmSystemLock()
4475       if( p->hShm>=0 ){  in unixShmPurge()
4482     if( p->hShm>=0 ){  in unixShmPurge()
4483       robust_close(pFd, p->hShm, __LINE__);  in unixShmPurge()
4484       p->hShm = -1;  in unixShmPurge()
4526   if( osFcntl(pShmNode->hShm, F_GETLK, &lock)!=0 ) {  in unixLockSharedMemory()
4539       if( rc==SQLITE_OK && robust_ftruncate(pShmNode->hShm, 3) ){  in unixLockSharedMemory()
4645     pShmNode->hShm = -1;  in unixOpenSharedMemory()
4658         pShmNode->hShm = robust_open(zShm, O_RDWR|O_CREAT|O_NOFOLLOW,  in unixOpenSharedMemory()
4661       if( pShmNode->hShm<0 ){  in unixOpenSharedMemory()
4662         pShmNode->hShm = robust_open(zShm, O_RDONLY|O_NOFOLLOW,  in unixOpenSharedMemory()
4664         if( pShmNode->hShm<0 ){  in unixOpenSharedMemory()
4675       robustFchown(pShmNode->hShm, sStat.st_uid, sStat.st_gid);  in unixOpenSharedMemory()
4761   assert( pShmNode->hShm>=0 || pDbFd->pInode->bProcessLock==1 );  in unixShmMap()
4762   assert( pShmNode->hShm<0 || pDbFd->pInode->bProcessLock==0 );  in unixShmMap()
4774     if( pShmNode->hShm>=0 ){  in unixShmMap()
4779       if( osFstat(pShmNode->hShm, &sStat) ){  in unixShmMap()
4807             if( seekAndWriteFd(pShmNode->hShm, iPg*pgsz + pgsz-1,"",1,&x)!=1 ){  in unixShmMap()
4830       if( pShmNode->hShm>=0 ){  in unixShmMap()
4833             MAP_SHARED, pShmNode->hShm, szRegion*(i64)pShmNode->nRegion  in unixShmMap()
4934   assert( pShmNode->hShm>=0 || pDbFd->pInode->bProcessLock==1 );  in unixShmLock()
4935   assert( pShmNode->hShm<0 || pDbFd->pInode->bProcessLock==0 );  in unixShmLock()
5098     if( deleteFlag && pShmNode->hShm>=0 ){  in unixShmUnmap()