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鍡紝鐪嬫潵澶氳璇婚珮鎵嬪啓鐨勪唬鐮佽繕鏄緢鏈夎(鐩婄殑銆?
涓嶈繃鍧︾櫧鍦拌錛屾垜涓漢鏇存璧忕敤C++妯℃澘鏉ュ疄鐜拌繖綾諱技鐨勬晥鏋滐紙鍙湪蹇呰鐨勬椂鍊欒緟涔嬩互瀹忥紝姣斿瑕佸疄鐜?__NR_##name)鎴栨槸鎹㈠嚱鏁板悕涔嬬被鐨勬晥鏋滐級銆?
鍦˙oost::lambda涓篃鏈夌被浼肩殑鎶宸э紝涓嶈繃鏄畯鍔犳ā鏉挎潵瀹屾垚銆?
涓鑸潵璁詫紝娉涘寲綾誨瀷鏃剁敤妯℃澘錛岃岃淇敼瀛楃浠ョ敓鎴愪笉鍚岀殑鍑芥暟鏃訛紝鍐嶅姞鐐瑰畯鐨勬妧宸с?
涓婇潰鐨勪綘涓劇殑渚嬪瓙灝忔敼涓嬶細
#define _syscall1(ResType, functionName, a) \
template <typename Arg> \
ResType functionName(Arg a) \
{ \
ResType __res; \
__asm__ volatile ("int $0x80" \
: "=a" (__res) \
: "0" (__NR_##functionName),"b"(a));\
if (__res >= 0) \
return __res; \
errno = -__res; \
return -1; \
}
褰撶劧錛孡inux鍐呮牳鏄笉鐢–++鐨勶紝鎵浠ュ畯鏄敮涓鐨勯夋嫨浜唦~~
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