C語言TSD聯想到Java的Threadlocal

    今天看到C語言的線程私有變量，講的頗有意思，發散下：C語言的線程私有變量（Thread special Data[TSD]）類比於Java的Threadlocal.描述，頗有意思。和原來寫的，作個比較http://my.oschina.net/u/177808/blog/184348

[root@localhost pthread]# grep pthread_key pthreadtest.e 

typedef unsigned int pthread_key_t;

extern int pthread_key_create (pthread_key_t *__key,

extern int pthread_key_delete (pthread_key_t __key) __attribute__ ((__nothrow__));

extern void *pthread_getspecific (pthread_key_t __key) __attribute__ ((__nothrow__));

extern int pthread_setspecific (pthread_key_t __key,