void dbrm_clear() { DBRM dbrm; VSS vss; VBBM vbbm; int err, vssShmid, vbbmShmid, txnID = 1, i; struct shmid_ds vssShminfo[3], vbbmShminfo[3]; LBIDRange_v ranges; LBIDRange range; VBRange_v freelist; err = dbrm.clear(); CPPUNIT_ASSERT(err == ERR_OK); // grab the size of vss and vbbm shmsegs somehow vss.lock(VSS::READ); vbbm.lock(VBBM::READ); vssShmid = vss.getShmid(); vbbmShmid = vbbm.getShmid(); err = shmctl(vssShmid, IPC_STAT, &vssShminfo[0]); CPPUNIT_ASSERT(err == 0); err = shmctl(vbbmShmid, IPC_STAT, &vbbmShminfo[0]); CPPUNIT_ASSERT(err == 0); vss.release(VSS::READ); vbbm.release(VBBM::READ); // do begin, write, end vbcopy for 150k blocks cerr << endl << "Adding 150k block entries. "; range.start = 1; range.size = 150000; ranges.push_back(range); err = dbrm.beginVBCopy(txnID, ranges, freelist); CPPUNIT_ASSERT(err == 0); for (i = range.start; (uint32_t) i < range.size; i++) { if (i % 50000 == 0) cerr << " ... " << i; err = dbrm.writeVBEntry(txnID, i, 1, i); CPPUNIT_ASSERT(err == 0); } err = dbrm.endVBCopy(txnID, ranges); CPPUNIT_ASSERT(err == 0); cerr << " done." << endl; // grab the sizes again vss.lock(VSS::READ); vbbm.lock(VBBM::READ); vssShmid = vss.getShmid(); vbbmShmid = vbbm.getShmid(); err = shmctl(vssShmid, IPC_STAT, &vssShminfo[1]); CPPUNIT_ASSERT(err == 0); err = shmctl(vbbmShmid, IPC_STAT, &vbbmShminfo[1]); CPPUNIT_ASSERT(err == 0); vss.release(VSS::READ); vbbm.release(VBBM::READ); // make sure they grew CPPUNIT_ASSERT(vssShminfo[0].shm_segsz < vssShminfo[1].shm_segsz); CPPUNIT_ASSERT(vbbmShminfo[0].shm_segsz < vbbmShminfo[1].shm_segsz); dbrm.clear(); // check that the new size is the same as the original vss.lock(VSS::READ); vbbm.lock(VBBM::READ); vssShmid = vss.getShmid(); vbbmShmid = vbbm.getShmid(); err = shmctl(vssShmid, IPC_STAT, &vssShminfo[2]); CPPUNIT_ASSERT(err == 0); err = shmctl(vbbmShmid, IPC_STAT, &vbbmShminfo[2]); CPPUNIT_ASSERT(err == 0); vss.release(VSS::READ); vbbm.release(VBBM::READ); CPPUNIT_ASSERT(vssShminfo[0].shm_segsz == vssShminfo[2].shm_segsz); CPPUNIT_ASSERT(vbbmShminfo[0].shm_segsz == vbbmShminfo[2].shm_segsz); }