libkern/c%2B%2B/OSKext.cpp

228 *    4. sKextLoggingLock
361 * sKextLoggingLock protects the logging variables declared immediately below.
363 static IOLock             * sKextLoggingLock           = NULL;
588     sKextLoggingLock = IOLockAlloc();
592     assert(sKextLoggingLock);
9239    /* Do not call any function that takes sKextLoggingLock during
9242     IOLockLock(sKextLoggingLock);
9261     IOLockUnlock(sKextLoggingLock);
9295    /* Do not call any function that takes sKextLoggingLock during
9298     IOLockLock(sKextLoggingLock);
9311     IOLockUnlock(sKextLoggingLock);
9338     IOLockLock(sKextLoggingLock);
9340     IOLockUnlock(sKextLoggingLock);
9473     IOLockLock(sKextLoggingLock);
9542     IOLockUnlock(sKextLoggingLock);