線程屬性初始化與銷毀屬性intpthread_attr_init(pthread_attr_t*attr);intpthread_attr_destroy(pthread_attr_t*attr);獲取與設置分離屬性intpthread_attr_getdetachstate(constpthread_attr_t*attr,int*detachstate);intpthread_attr_setdetachstate(pthread_attr_t*attr,intdetachstate);獲取與設置棧大小intpthread_attr_setstacksize(pthread_attr_t*attr,size_tstacksize);intpthread_attr_getstacksize(pthread_attr_t*attr,size_t*stacksize);1線程屬性獲取與設置棧溢出保護區大小intpthread_attr_setguardsize(pthread_attr_t*attr,size_tguardsize);intpthread_attr_getguardsize(pthread_attr_t*attr,size_t*guardsize);獲取與設置線程競爭范圍intpthread_attr_getscope(constpthread_attr_t*attr,int*contentionscope);intpthread_attr_setscope(pthread_attr_t*attr,intcontentionscope);獲取與設置調度策略intpthread_attr_getschedpolicy(constpthread_attr_t*attr,int*policy);intpthread_attr_setschedpolicy(pthread_attr_t*attr,intpolicy);2線程屬性獲取與設置繼承的調度策略intpthread_attr_getinheritsched(constpthread_attr_t*attr,int*inheritsched);intpthread_attr_setinheritsched(pthread_attr_t*attr,intinheritsched);獲取與設置調度參數intpthread_attr_getschedparam(constpthread_attr_t*attr,structsched_param*param);intpthread_attr_setschedparam(pthread_attr_t*attr,conststructsched_param*param);3并發級別獲取與設置并發級別intpthread_setconcurrency(intnew_level);intpthread_getconcurrency(void);僅在N:M線程模型中有效，設置并發級別，給內核一個提提示：表示提供給定級別數量的核心線程來映射用戶線程是高效的。4線程特定數據在單線程程序中，我們經常要用到"全局變量"以實現多個函數間共享數據。在多線程環境下，由于數據空間是共享的，因此全局變量也為所有線程所共有。但有時應用程序設計中有必要提供線程私有的全局變量，僅在某個線程中有效，但卻可以跨多個函數訪問。POSIX線程庫通過維護一定的數據結構來解決這個問題，這個些數據稱為（Thread-specificData，或TSD）。5線程特定數據6線程特定數據intpthread_key_create(pthread_key_t*key,void(*destructor)(void*));intpthread_key_delete(pthread_key_tkey);void*pthread_getspecific(pthread_key_tkey);intpthread_setspecific(pthread_key_tkey,constvoid*value);intpthread_once(pthread_once