線程掛起要保存哪些信息

❶ C璇璦澶氱嚎紼嬬殑鎿嶄綔姝ラ

綰跨▼鍒涘緩
鍑芥暟鍘熷瀷錛歩ntpthread_create(pthread_t*restrict tidp,const pthread_attr_t *restrict attr,void *(*start_rtn)(void),void *restrict arg);
榪斿洖鍊礆細鑻ユ槸鎴愬姛寤虹珛綰跨▼榪斿洖0錛屽惁鍒欒繑鍥為敊璇鐨勭紪鍙楓
褰㈠紡鍙傛暟錛歱thread_t*restrict tidp瑕佸壋寤虹殑綰跨▼鐨勭嚎紼媔d鎸囬拡錛沜onst pthread_attr_t *restrict attr鍒涘緩綰跨▼鏃剁殑綰跨▼灞炴э紱void *(start_rtn)(void)榪斿洖鍊兼槸void綾誨瀷鐨勬寚閽堝嚱鏁幫紱void *restrict arg start_rtn鐨勫艦鍙傘
綰跨▼鎸傝搗錛氳ュ嚱鏁扮殑浣滅敤浣垮緱褰撳墠綰跨▼鎸傝搗錛岀瓑寰呭彟涓涓綰跨▼榪斿洖鎵嶇戶緇鎵ц屻備篃灝辨槸璇村綋紼嬪簭榪愯屽埌榪欎釜鍦版柟鏃訛紝紼嬪簭浼氬厛鍋滄錛岀劧鍚庣瓑綰跨▼id涓簍hread鐨勮繖涓綰跨▼榪斿洖錛岀劧鍚庣▼搴忔墠浼氭柇緇鎵ц屻
鍑芥暟鍘熷瀷錛歩ntpthread_join(pthread_tthread, void **value_ptr);
鍙傛暟璇存槑濡備笅錛歵hread絳夊緟閫鍑虹嚎紼嬬殑綰跨▼鍙鳳紱value_ptr閫鍑虹嚎紼嬬殑榪斿洖鍊箋
榪斿洖鍊礆細鑻ユ垚鍔燂紝鍒欒繑鍥0錛涜嫢澶辮觸錛屽垯榪斿洖閿欒鍙楓
綰跨▼閫鍑
鍑芥暟鍘熷瀷錛歷oidpthread_exit(void *rval_ptr);
鑾峰彇褰撳墠綰跨▼id
鍑芥暟鍘熷瀷錛歱thread_tpthread_self(void);
浜掓枼閿
鍒涘緩pthread_mutex_init錛涢攢姣乸thread_mutex_destroy錛涘姞閿乸thread_mutex_lock錛涜В閿乸thread_mutex_unlock銆
鏉′歡閿
鍒涘緩pthread_cond_init錛涢攢姣乸thread_cond_destroy錛涜Е鍙憄thread_cond_signal錛涘箍鎾璸thread_cond_broadcast錛涚瓑寰卲thread_cond_wait銆

❷ 鎿嶄綔緋葷粺--闃誨烇紝鐫＄湢錛屾寕璧

綰跨▼浠庡壋寤恆佽繍琛屽埌緇撴潫鎬繪槸澶勪簬涓嬮潰浜斾釜鐘舵佷箣涓錛氭柊寤虹姸鎬併佸氨緇鐘舵併佽繍琛岀姸鎬併侀樆濉炵姸鎬佸強姝諱骸鐘舵併

鎵璋撻樆濉炵姸鎬佹槸姝ｅ湪榪愯岀殑綰跨▼娌℃湁榪愯岀粨鏉燂紝鏆傛椂璁╁嚭CPU錛岃繖鏃跺叾浠栧勪簬灝辯華鐘舵佺殑綰跨▼灝卞彲浠ヨ幏寰桟PU鏃墮棿錛岃繘鍏ヨ繍琛岀姸鎬併

綰跨▼榪愯岃繃紼嬩腑錛屽彲鑳界敱浜庡悇縐嶅師鍥犺繘鍏ラ樆濉炵姸鎬:

浠ヤ笂鍘熷洜鍙浠ュ垝鍒嗘垚涓夊ぇ綾伙細綰跨▼闃誨炪佺嚎紼嬬潯鐪犮佺嚎紼嬫寕璧楓

鎿嶄綔緋葷粺涓闃誨炪佺潯鐪犮佹寕璧風殑鍖哄埆褰㈣薄瑙ｉ噴銆傞栧厛榪欎簺鏈璇閮芥槸瀵逛簬綰跨▼鏉ヨ寸殑錛屽圭嚎紼嬬殑鎺у埗灝卞ソ姣斾綘鎺у埗浜嗕竴涓闆囧伐涓轟綘騫叉椿銆

綰跨▼闃誨烇細鏈鏉ヤ綘璁╅泧宸ユ壂鍦幫紝緇撴灉鎵甯氳鍋蜂簡鎴栬閭誨眳瀹跺熷幓浜嗭紝浣犲張娌¤╅泧宸ョ戶緇騫插埆鐨勬椿錛屼粬灝卞彧濂界潯瑙変簡銆傞泧宸ヤ竴鏃﹀彂鐜版壂甯氬洖鏉ヤ簡錛屼粬灝變細鑷宸卞幓騫叉椿鐨勩

綰跨▼鐫＄湢錛氫綘涓誨姩瀵歸泧宸ヨ達細鈥滀綘鐫¤夊幓鍚э紝鏌愭椂鏌愬埢榪囨潵鎶ュ埌錛岀劧鍚庢帴鐫騫叉椿鈥濄

鎸傝搗綰跨▼錛氫綘瀵逛富鍔ㄥ歸泧宸ヨ達細鈥滀綘鐫¤夊幓鍚э紝鐢ㄧ潃浣犵殑鏃跺欐垜涓誨姩鍘誨彨浣狅紝鐒跺悗鎺ョ潃騫叉椿鈥濄

綰跨▼鍦ㄨ繍琛岃繃紼嬩腑蹇呯劧瑕佽幏鍙栬塊棶緋葷粺璧勬簮錛屾殏涓斾笉璇碈PU錛岀嚎紼嬭繍琛岃偗瀹氳佸拰紓佺洏榪涜屼氦浜掞紝緇ц屽彂鐢烮O鎿嶄綔錛孖O鎿嶄綔鍔垮繀瑕佸紩璧風瓑寰咃紝鍦ㄨ祫婧愭湭璇誨彇瀹屾垚錛岀嚎紼嬪繀鐒惰佺瓑寰咃紝閭ｄ箞鍦ㄧ瓑寰匢O瀹屾垚榪欎釜閮ㄥ垎灝辨槸闃誨炵姸鎬併傛墍浠ヤ粠榪欓噷鏉ョ湅錛岄樆濉炴槸涓縐嶈鍔ㄧ殑鏂瑰紡錛岀敱浜庤幏鍙栬祫婧愯幏鍙栦笉鍒拌屽紩璧風殑絳夊緟銆

鏈浜哄皢綰跨▼闃誨炵粏鍒嗘垚涓ょ被錛

褰撲竴涓綰跨▼鑾峰彇璧勬簮澶辮觸錛堜絾娌℃湁瑙﹀彂綰跨▼闃誨烇級鏆傛椂鏃犳硶緇х畫榪愯屾椂錛屽彲浠ユ湁涓ょ嶅勭悊鏂瑰紡錛

浠庤繖閲岀湅錛岀潯鐪犳槸涓縐嶄富鍔ㄧ殑鏂瑰紡錛屼笖浠呬粎浣滀負涓縐嶅勭悊鎵嬫點傜潯鐪犱笉浠呬粎鐢ㄤ簬浣跨嚎紼嬭繘鍏ラ樆濉炵姸鎬侊紝鏇村氱殑錛屾垜浠鍙浠ュ湪閫傚綋鐨勬椂鍊欒劇疆璁╃嚎紼嬬潯鐪犱竴瀹氱殑鏃墮棿銆

綰跨▼鎸傝搗鏄鎿嶄綔緋葷粺璋冨害綰跨▼鐨勬墜孌典箣涓錛屾搷浣滅郴緇熷湪璋冨害鏃舵殏鍋滃綋鍓嶇嚎紼嬬殑鎵ц岋紝灝嗗叾鍒囨崲鑷抽樆濉炵姸鎬侊紝灝咰PU璧勬簮璋冨害緇欏叾浠栫殑綰跨▼錛涘湪闇瑕佺殑鏃跺欙紝鎿嶄綔緋葷粺鍙浠ユ仮澶嶆煇綰跨▼鐨勬墽琛屾潈闄愶紝灝嗗叾鍒囨崲鑷沖氨緇鐘舵併

鍥犳ゅ父瑙佺殑綰跨▼鎸傝搗鏄涓縐嶈鍔ㄧ殑鏂瑰紡錛屽満鏅濡備笅錛

鏌愪簺鎯呭喌涓嬬嚎紼嬫寕璧鋒槸涓誨姩瑙﹀彂鐨勶紝姣斿傝皟璇曠▼搴忔椂錛岀嚎紼嬫墽琛屽埌鏌愪釜鏂鐐癸紝浼氫富鍔ㄦ寕璧風嚎紼嬶紙trap闄峰叆錛夈

綰跨▼鎸傝搗涓昏佽冭檻CPU璧勬簮鐨勮皟搴︼紝鑰岃繘紼嬫寕璧蜂富瑕佽冭檻鏄鍐呭瓨璧勬簮鐨勫垎閰嶃

鎸傝搗榪涚▼鍦ㄦ搷浣滅郴緇熶腑鍙浠ュ畾涔変負鏆傛椂琚娣樻卑鍑哄唴瀛樼殑榪涚▼錛屾満鍣ㄧ殑璧勬簮鏄鏈夐檺鐨勶紝鍦ㄨ祫婧愪笉瓚崇殑鎯呭喌涓嬶紝鎿嶄綔緋葷粺瀵瑰湪鍐呭瓨涓鐨勭▼搴忚繘琛屽悎鐞嗙殑瀹夋帓錛屽叾涓鏈夌殑榪涚▼琚鏆傛椂璋冪誨嚭鍐呭瓨錛屽綋鏉′歡鍏佽哥殑鏃跺欙紝浼氳鎿嶄綔緋葷粺鍐嶆¤皟鍥炲唴瀛橈紝閲嶆柊榪涘叆絳夊緟琚鎵ц岀殑鐘舵佸嵆灝辯華鎬併

鎿嶄綔緋葷粺涓轟粈涔堣佸紩鍏ユ寕璧風姸鎬侊紵鎸傝搗鐘舵佹秹鍙婂埌涓綰ц皟搴︼紝鍥犱負褰撳唴瀛樹腑鐨勬煇涓紼嬪簭闇瑕佸ぇ鐨勫唴瀛樼┖闂存潵鎵ц岋紝浣嗚繖鏃跺唴瀛樻湁娌℃湁絀轟綑絀洪棿浜嗭紝閭ｄ箞鎿嶄綔緋葷粺灝卞洖鏍規嵁璋冨害綆楁硶鎶婁竴浜涜繘紼嬫斁鍒板栧瓨涓鍘伙紝浠ヨ吘鍑虹┖闂寸粰姝ｅ湪鎵ц岀殑紼嬪簭鐨勬暟鎹鍜岀▼搴忥紝鎵浠ュ紩濡備簡鎸傝搗鐘舵併傚紩璧鋒寕璧風姸鎬佺殑鍘熷洜鏈夊備笅鍑犳柟闈錛

錛1錛夌粓絝鐢ㄦ埛鐨勮鋒眰銆傚綋緇堢鐢ㄦ埛鍦ㄨ嚜宸辯殑紼嬪簭榪愯屾湡闂村彂鐜版湁鍙鐤戦棶棰樻椂錛屽笇鏈涙殏鍋滀嬌鑷宸辯殑紼嬪簭闈欐涓嬫潵銆備害鍗籌紝浣挎ｅ湪鎵ц岀殑榪涚▼鏆傚仠鎵ц岋紱鑻ユゆ椂鐢ㄦ埛榪涚▼姝ｅ勪簬灝辯華鐘舵佽屾湭鎵ц岋紝鍒欒ヨ繘紼嬫殏涓嶆帴鍙楄皟搴︼紝浠ヤ究鐢ㄦ埛鐮旂┒鍏舵墽琛屾儏鍐墊垨瀵圭▼搴忚繘琛屼慨鏀廣傛垜浠鎶婅繖縐嶉潤姝㈢姸鎬佹垚涓衡滄寕璧風姸鎬佲濄

錛2錛夌埗榪涚▼鐨勮鋒眰銆傛湁鏃剁埗榪涚▼甯屾湜鎸傝搗鑷宸辯殑鏌愪釜瀛愯繘紼嬶紝浠ヤ究鑰冨療鍜屼慨鏀瑰瓙榪涚▼錛屾垨鑰呭崗璋冨悇瀛愯繘紼嬮棿鐨勬椿鍔ㄣ

錛3錛夎礋鑽瘋皟鑺傜殑闇瑕併傚綋瀹炴椂緋葷粺涓鐨勫伐浣滆礋鑽瘋緝閲嶏紝宸插彲鑳藉獎鍝嶅埌瀵瑰疄鏃朵換鍔＄殑鎺у埗鏃訛紝鍙鐢辯郴緇熸妸涓浜涗笉閲嶈佺殑榪涚▼鎸傝搗錛屼互淇濊瘉緋葷粺鑳芥ｅ父榪愯屻

錛4錛夋搷浣滅郴緇熺殑闇瑕併傛搷浣滅郴緇熸湁鏃跺笇鏈涙寕璧鋒煇浜涜繘紼嬶紝浠ヤ究媯鏌ヨ繍琛屼腑鐨勮祫婧愪嬌鐢ㄦ儏鍐墊垨榪涜岃拌處銆

錛5錛夊規崲鐨勯渶瑕併備負浜嗙紦鍜屽唴瀛樼揣寮犵殑鎯呭喌錛屽皢鍐呭瓨涓澶勪簬闃誨炵姸鎬佺殑榪涚▼鎹㈣嚦澶栧瓨涓娿