技术改变命运
发布时间：2016-08-01 10:23:09
A location expression is stored in a block of contiguous bytes.The bytes form a set of operations.Each location operation has a 1-byte codethat identifies that operation. Operations can be followedby one or more bytes of additional data. All operations in alocation expression are concatenated f.........【阅读全文】
发布时间：2016-07-31 14:28:19
Man page of test_and_set_bit(int nr, volatile void *addr)这样描述它的功能："Set a bit and return its old value" nr -- Bit to set addr -- Address to count from注意：nr是需要设置的“哪一位”，而不是将addr的值设置成nr。例如"te.........【阅读全文】
