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babydaemons id:babydaemons

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ã‚¹ãƒ¬ãƒƒãƒ‰é–“é€šä¿¡ã®ã‚ªãƒ¼ãƒãƒ¼ãƒ˜ãƒƒãƒ‰ã‚’æ¯”è¼ƒã™ã‚‹ - Blog by Sadayuki Furuhashi
pthread_ç³»ã®é–¢æ•°ã¯ mutex ã‹ cond ã—ã‹å¾…ã¦ãªã„ãŒã€select/poll/epoll ã¯ãƒ•ã‚¡ã‚¤ãƒ«ãƒ‡ã‚£ã‚¹ã‚¯ãƒªãƒ—ã‚¿ã—ã‹å¾…ã¦ãªã„ã®ã§ã€ä¸¡æ–¹å¾…ã¡ãŸã„ã¨ãã«å›°ã‚‹ã€‚ è§£æ±ºæ–¹æ³•ã¯ã„ã‚ã„ã‚ã‚ã‚‹ã¨æ€ã„ã¾ã™ãŒã€ç§ã®æ€ã„ã¤ãç¯„å›²ã§ã¯ä»¥ä¸‹ã®ï¼”ã¤ã€‚ selectã§å¾…ã¡ã€ã‚·ã‚°ãƒŠãƒ«ã§å‰²ã‚Šè¾¼ã‚€ ãƒ•ã‚¡ã‚¤ãƒ«ãƒ‡ã‚£ã‚¹ã‚¯ãƒªãƒ—ã‚¿ã¯selectã§å¾…ã¤ã€‚ä»–ã®ã‚¤ãƒ™ãƒ³ãƒˆã¯ã„ã£ãŸã‚“ã‚ãƒ¥ãƒ¼ã«å…¥ã‚Œã¦ãŠãã€ã‚·ã‚°ãƒŠãƒ«ã‚’ç™ºç”Ÿã•ã›ã¦selectã‚’ä¸æ–ã•ã›ã‚‹ã€‚ãŸã—ã‹lighttpdã¯ã“ã®æ–¹å¼ã ã£ãŸã¯ãšã€‚ãŸã lighttpdã¯ã‚·ãƒ³ã‚°ãƒ«ã‚¹ãƒ¬ãƒƒãƒ‰ãªã®ã§ã‚ãƒ¥ãƒ¼ã¯ä½¿ã£ã¦ã„ãªã‹ã£ãŸã‚ˆã†ãªï¼ˆã†ã‚è¦šãˆï¼‰ selectã§å¾…ã¡ã€ãƒ‘ã‚¤ãƒ—ã§å‰²ã‚Šè¾¼ã‚€ selectã§å¾…ã¤ã®ã ãŒã€ãã®ä¸ã«pipe(2)ã§ä½œã£ãŸãƒ‘ã‚¤ãƒ—ã‚’ï¼‘ã¤é£Ÿã‚ã›ã¦ãŠãã€‚ãƒ•ã‚¡ã‚¤ãƒ«ãƒ‡ã‚£ã‚¹ã‚¯ãƒªãƒ—ã‚¿ä»¥å¤–ã®ã‚¤ãƒ™ãƒ³ãƒˆã¯ã„ã£ãŸã‚“ã‚ãƒ¥ãƒ¼ã«å…¥ã‚Œã¦ãŠãã€ãƒ‘ã‚¤ãƒ—ã«1ãƒã‚¤ãƒˆæ›¸ãè¾¼ã‚“ã§selectã‚’ä¸æ–ã•ã›ã‚‹ã€‚ select
babydaemons 2017/10/20
pthread

Linux

programming
ãƒªãƒ³ã‚¯
ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ã®ã‚³ãƒ³ãƒ†ã‚ã‚¹ãƒˆåˆ‡ã‚Šæ›¿ãˆã«ä¼´ã†ã‚³ã‚¹ãƒˆ - naoyaã®ã¯ã¦ãªãƒ€ã‚¤ã‚¢ãƒªãƒ¼
ã¾ãŸ Linux ã‚«ãƒ¼ãƒãƒ«ã®è©±ã§ã™ã€‚ Linux ã§ã¯ fork ã«ã‚ˆã‚‹ãƒžãƒ«ãƒãƒ—ãƒã‚»ã‚¹ã¨ã€pthread ã«ã‚ˆã‚‹ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ã§ã®ä¸¦è¡Œå‡¦ç†ã‚’æ¯”è¼ƒã—ãŸå ´åˆã€å¾Œè€…ã®æ–¹ãŒã‚³ã‚¹ãƒˆãŒä½Žãé«˜é€Ÿã¨è¨€ã‚ã‚Œã¾ã™ã€‚ã€Œã‚¹ãƒ¬ãƒƒãƒ‰ã¯ãƒ¡ãƒ¢ãƒªç©ºé–“ã‚’å…±æœ‰ã™ã‚‹ã®ã§ã€ãƒžãƒ«ãƒãƒ—ãƒã‚»ã‚¹ã¨ã¯ç•°ãªã‚Šã‚³ãƒ³ãƒ†ã‚ã‚¹ãƒˆã‚¹ã‚¤ãƒƒãƒæ™‚ã«ãƒ¡ãƒ¢ãƒªç©ºé–“ã®åˆ‡ã‚Šæ›¿ãˆã‚’çœç•¥ã§ãã‚‹ã€‚åˆ‡ã‚Šæ›¿ãˆã«ä¼´ã†ã‚ªãƒ¼ãƒãƒ¼ãƒ˜ãƒƒãƒ‰ãŒå°‘ãªã„ã€‚ã€ã¨ã„ã†ã®ãŒ FAQ ã®ç”ãˆã‹ã¨æ€ã„ã¾ã™ã€‚ ãŒã€Œã‚ªãƒ¼ãƒãƒ¼ãƒ˜ãƒƒãƒ‰ãŒå°‘ãªã„ã€ã¨ä¸€è¨€ã«ã„ã‚ã‚Œã¦ã‚‚å…·ä½“çš„ã«ã©ã†ã„ã†ã“ã¨ãªã®ã‹ãŒã‚¤ãƒ¡ãƒ¼ã‚¸ã§ãã¾ã›ã‚“ã€‚ãã“ã§ Linux ã®ã‚¹ãƒ¬ãƒƒãƒ‰å‘¨ã‚Šã®å®Ÿè£…ã‚’è¦‹ã¦è¦‹ã‚ˆã†ã˜ã‚ƒãªã„ã‹ã€ã¨ã„ã†ã®ãŒä»Šå›žã®ãƒ†ãƒ¼ãƒžã§ã™ã€‚ 3åˆ†ã§ã‚ã‹ã‚‹(?) ãƒžãƒ«ãƒãƒ—ãƒã‚»ã‚¹ã¨ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ ã¾ãšã¯ã†ã‚“ã¡ãã€‚ãƒžãƒ«ãƒãƒ—ãƒã‚»ã‚¹ã¨ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ã®é•ã„ã®å›³ã€‚ä»¥å‰ã«ç¤¾å†…ã§å‹‰å¼·ä¼šã‚’ã—ãŸã¨ãã«ä½œã£ãŸè³‡æ–™ã«ã¡ã‚‡ã†ã©è‰¯ã„ã®ãŒã‚ã£ãŸã®ã§æŽ²è¼‰ã—ã¾ã™ã€‚Pthreadsãƒ—ãƒã‚°ãƒ©ãƒŸ
babydaemons 2017/10/19
Linuxã ã¨OSSã ã‹ã‚‰ã“ã‚“ãªã«ä¸å¯§ã«è§£èª¬ã—ã¦ãã‚Œã‚‹äººãŒã„ã‚‹ã‚“ã ã‚ˆãªãã€‚ã€‚ã€‚

kernel

pthread

process

linux
ãƒªãƒ³ã‚¯
Multithread programming with STL
C++ã§ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã™ã‚‹ã¨ãã€STLã‚’ä½¿ã†ã¨æ¥½ã§ã™ãŒã€ ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã®æ™‚ã«ã¯ã€ #define _PTHREADS (ã¨ã‹#define _SOLTHREADS) ã¨ã‹ã‚’ã—ãªã„ã¨ã„ã‘ã¾ã›ã‚“ã€‚ stl_config.hã«å®šç¾©ã•ã‚Œã¦ã¾ã™ã€‚ ã“ã‚Œã‚’å¿˜ã‚Œã‚‹ã¨ã‚¢ãƒã‚±ãƒ¼ãƒˆãŒMT-Safeã§ãªã„ãŸã‚ã«å›°æƒ‘ã•ã›ã‚‰ã‚Œã¾ã™ã€‚ èª°ã‹æ›¸ã„ã¨ã„ã¦ãã ã•ã„â€¦ ã¡ãªã¿ã«ã€x86_Solaris + pthreadã§listã‚’ä½¿ã†ã¨ã€ push, popãŒ3å€ãã‚‰ã„é…ããªã‚Šã¾ã—ãŸã€‚ä½¿ãˆãªã„ã˜ã‚ƒã‚“ã€‚ ãƒˆãƒƒãƒ—ãƒšãƒ¼ã‚¸ã¸æˆ»ã‚‹ yokoyama@logos.t.u-tokyo.ac.jp
babydaemons 2013/10/22
"C++ã§ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã™ã‚‹ã¨ãã€STLã‚’ä½¿ã†ã¨æ¥½ã§ã™ãŒã€ ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã®æ™‚ã«ã¯ã€#define _PTHREADS (ã¨ã‹#define _SOLTHREADS)ã¨ã‹ã‚’ã—ãªã„ã¨ã„ã‘ã¾ã›ã‚“"

C++

STL

pthread
ãƒªãƒ³ã‚¯
Linux ã‚¹ãƒ¬ãƒƒãƒ‰ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°
GNU/Linux ã§ã®ã‚¹ãƒ¬ãƒƒãƒ‰ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚° NPTL (Native POSIX Thread Library) Programming. ä»¥å‰ã‹ã‚‰ GNU/Linux ã§ã‚¹ãƒ¬ãƒƒãƒ‰ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã‚’ã™ã‚‹ãŸã‚ã®ç°¡å˜ãªã‚¬ã‚¤ãƒ‰ã‚’æ›¸ããŸã„ã¨æ€ã£ã¦ã„ã¾ã—ãŸã€‚ä»Šæ›´ã‚¹ãƒ¬ãƒƒãƒ‰ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã«ã¤ã„ã¦æ›¸ã„ã¦ã‚‚ç›®æ–°ã—ã„ã‚‚ã®ã«ãªã‚‹ã¨ã¯æ€ãˆãªã„ã®ã§ã™ãŒã€åˆã‚ã¦ NPTL (Native POSIX Thread Library) ã‚’ä½¿ã£ãŸãƒ—ãƒã‚°ãƒ©ãƒ ã‚’ã™ã‚‹ã¨ã„ã†æ–¹ã«ã¯ã€ã‚‚ã—ã‹ã—ãŸã‚‰å½¹ã«ç«‹ã¤æƒ…å ±ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ã€‚ã¯ã˜ã‚ã¯æ€–ã€…å°ã•ãªãƒ—ãƒã‚°ãƒ©ãƒ ã‚’æ›¸ã„ã¦å‹•ã‹ã—ã¦ã¿ã‚‹ã€‚æ€ã£ãŸã‚ˆã‚Šç°¡å˜ãªã“ã¨ã«é©šã‹ã‚Œã‚‹ã§ã—ã‚‡ã†ã€‚ã‚¹ãƒ¬ãƒƒãƒ‰ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã¨è¨€ã£ã¦ã‚‚é›£ã—ã„ã“ã¨ã¯ãªã«ã‚‚ã‚ã‚Šã¾ã›ã‚“ã€‚ãƒ©ã‚¤ãƒ–ãƒ©ãƒªãŒæ²¢å±±ä»•äº‹ã‚’ã—ã¦ãã‚‹ãŠã‹ã’ã§å¿«é©ã«ä½¿ã†ã“ã¨ãŒã§ãã¾ã™ã€‚ æœ¬æ–‡ä¸ã§ã¯ glibc ã®ãƒãƒ¼ã‚¸ãƒ§ãƒ³ã«ã‚ˆã‚‹é•ã„ã«ã¤ã„ã¦ã‚‚è§¦ã‚Œã¾ã™ã€‚å‚ç…§ã—ãŸãƒãƒ¼ã‚¸ãƒ§ãƒ³ã¯ gli
babydaemons 2013/09/17
pthread
ãƒªãƒ³ã‚¯
pthreadã«ã¤ã„ã¦ï¼ˆã‚¹ã‚±ã‚¸ãƒ¥ãƒ¼ãƒªãƒ³ã‚°ï¼‰ (1/4)ï¼šCodeZineï¼ˆã‚³ãƒ¼ãƒ‰ã‚¸ãƒ³ï¼‰
#include <stdio.h> #include <unistd.h> #ifdef _POSIX_PRIORITY_SCHEDULING #error "_POSIX_PRIORITY_SCHEDULING defined" #else #error "_POSIX_PRIORITY_SCHEDULING not defined" #endif #ifdef _POSIX_THREAD_PRIORITY_SCHEDULING #error "_POSIX_THREAD_PRIORITY_SCHEDULING defined" #else #error "_POSIX_THREAD_PRIORITY_SCHEDULING not defined" #endif #ifdef _POSIX_THREAD_PRIO_PROTECT #error "_POSIX_THREAD_PRIO_P
babydaemons 2013/09/16
pthread
ãƒªãƒ³ã‚¯
ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°
ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚° linux gcc ã§ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ã‚’ä½¿ã†ã‚µãƒ³ãƒ—ãƒ«ãƒ—ãƒã‚°ãƒ©ãƒ ã§ã™ï¼Ž mutex ã§å¤‰æ•°ã®åŒæœŸã‚’è¡Œã£ã¦ã„ã¾ã™ï¼Žcount1 ã¨ count2 ã®æŒ¯èˆžã„ã®é•ã„ã‚’è¦‹ã‚Œã°ã©ã†ãªã£ã¦ã„ã‚‹ã®ã‹åˆ†ã‹ã‚‹ã¨æ€ã„ã¾ã™ï¼Ž gcc file_name.c -lpthread ã§ã‚³ãƒ³ãƒ‘ã‚¤ãƒ«ã—ã¦ä¸‹ã•ã„ï¼Ž Windows VC++ ç‰ˆã‚’æŽ¢ã—ã¦ã„ã‚‹æ–¹ã¯ã“ã¡ã‚‰ã¸ã©ã†ãžï¼Ž //ãƒžãƒ«ãƒã‚¹ãƒ¬ãƒƒãƒ‰ãƒ—ãƒã‚°ãƒ©ãƒ ã¨ mutex ã®ä½¿ã„æ–¹ #include <pthread.h> #include <stdio.h> void* thread1(void* pParam); //ã‚¹ãƒ¬ãƒƒãƒ‰ï¼‘ void* thread2(void* pParam); //ã‚¹ãƒ¬ãƒƒãƒ‰ï¼’ int count1=0; int count2=0; pthread_mutex_t mutex; //2ã¤ã®ã‚¹ãƒ¬ãƒƒãƒ‰é–“ã§å¤‰æ•°ã®ä¿è·ã‚’è¡Œã† int
babydaemons 2013/09/16
pthread
ãƒªãƒ³ã‚¯
C++ã§ã‚¹ãƒ¬ãƒƒãƒ‰ã‚¯ãƒ©ã‚¹ - blog - nasu
C++ã§Javaã£ã½ã„ã‚¹ãƒ¬ãƒƒãƒ‰ã‚¯ãƒ©ã‚¹ä½œã‚‹ã«ã¯ã€ pthread_createã«thisã‚’æ¸¡ã™ã“ã¨ã§å®Ÿç¾ã§ãã‚‹ã€‚ #include<pthread.h> #include<stdio.h> #include<iostream> using namespace std; class Runnable{ private: public: Runnable(){} virtual ~Runnable(){} virtual void run() = 0; }; class Thread : virtual public Runnable{ private: Runnable * runnable; pthread_t threadID; static void * __run( void * cthis ){ static_cast<Runnable*>(cthis)->run(); return
babydaemons 2013/09/15
"C++ã§Javaã£ã½ã„ã‚¹ãƒ¬ãƒƒãƒ‰ã‚¯ãƒ©ã‚¹ä½œã‚‹ã«ã¯ã€ pthread_createã«thisã‚’æ¸¡ã™ã“ã¨ã§å®Ÿç¾ã§ãã‚‹"

C++

pthread
ãƒªãƒ³ã‚¯
Phactory: Pythonã§ã®ã‚¹ãƒ¬ãƒƒãƒ‰ã®ä½¿ã„æ–¹ï¼ˆã‚µãƒ³ãƒ—ãƒ«ã‚½ãƒ¼ã‚¹ï¼‰
Posixæº–æ‹ ã®ãƒ—ãƒ©ãƒƒãƒˆãƒ•ã‚©ãƒ¼ãƒ ã§ã¯pthreadãŒã‚µãƒãƒ¼ãƒˆã•ã‚Œã¦ã„ã¾ã™ã€‚ Pythonã®ã‚¹ãƒ¬ãƒƒãƒ‰ã¯ã“ã®pthreadã‚’ä½¿ã£ã¦ã„ã‚‹ã®ã§ã€pthreadç’°å¢ƒä¸‹ã§ã¯ ãƒã‚¤ãƒ†ã‚£ãƒ–ã‚¹ãƒ¬ãƒƒãƒ‰ã‚’ä½¿ç”¨ã§ãã¾ã™ã€‚å½“ç„¶Linuxç³»ã®ç’°å¢ƒãªã‚‰ã°ä½¿ç”¨å¯èƒ½ã§ã™ã€‚ Pythonã§ã®ã‚¹ãƒ¬ãƒƒãƒ‰å®Ÿè£…æ–¹é‡ã¯å¤§ããï¼’ã¤ã‚ã‚Šã¾ã™ã€‚ ä¸€ã¤ã¯threading.Threadã‚¯ãƒ©ã‚¹ã‚’ã‚ªãƒ¼ãƒãƒ¼ãƒ©ã‚¤ãƒ‰ã—ã¦ã‚¹ãƒ¬ãƒƒãƒ‰æœ¬ä½“ã®å®Ÿè£…ã‚’å®Ÿç¾ã™ã‚‹æ–¹æ³•ã§ã€ ã‚‚ã†ä¸€ã¤ã¯ã‚¹ãƒ¬ãƒƒãƒ‰å®Ÿè¡Œã—ãŸã„é–¢æ•°ã‚’ã‚³ãƒ¼ãƒ«ãƒãƒƒã‚¯ç™»éŒ²ã™ã‚‹æ–¹æ³•ã§ã™ã€‚ ã‚ˆã‚ŠåŽŸå§‹çš„ãªã‚¯ãƒ©ã‚¹threadã‚‚ã‚ã‚Šã¾ã™ãŒã€threadingã‚¯ãƒ©ã‚¹ãŒã»ã¨ã‚“ã©å…¨ã¦ã®æ©Ÿèƒ½ã‚’ å†…åŒ…ã—ã¦ã„ã‚‹ã®ã§ã“ã¡ã‚‰ãŒãŠå‹§ã‚ã§ã™ã€‚ ï¼ˆæ³¨ï¼‰threadã‚¯ãƒ©ã‚¹ã‚’ä½¿ã†ãƒ¡ãƒªãƒƒãƒˆã®ä¸€ã¤ã¨ã—ã¦ã¯ã€æ˜Žç¤ºçš„ã«ã‚¹ãƒ¬ãƒƒãƒ‰å‡¦ç†ã‚’åœæ¢ã™ã‚‹ exit()ãƒ¡ã‚½ãƒƒãƒ‰ãŒæä¾›ã•ã‚Œã¦ã„ã‚‹ç‚¹ã«ã‚ã‚Šã¾ã™ãŒã€ã‚ã¾ã‚Šã‚¹ãƒ¬ãƒƒãƒ‰ã®åŽŸç†ã‚’çŸ¥ã‚‰ãªã„äººãŒ ã‚¹ãƒ¬ãƒƒãƒ‰ã‚’ä»»æ„ã®ã‚¿ã‚¤ãƒŸãƒ³
babydaemons 2010/03/18
Python

Thread

pthread
ãƒªãƒ³ã‚¯
SOCKETãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°
ã“ã®ãƒšãƒ¼ã‚¸ã§ã¯Berkeley SOCKETã€WinsockåŠã³Java Socketã®ãƒ—ãƒã‚°ãƒ©ãƒŸãƒ³ã‚°ã«ã¤ã„ã¦ç´¹ä»‹ã™ã‚‹ã€‚SOCKETã‚‚å¥½ãã ãªã€‚ è¨˜è¿°ä¾‹ãŠã‚ˆã³ã‚µãƒ³ãƒ—ãƒ«ã«å«ã¾ã‚Œã‚‹ãƒ•ã‚¡ã‚¤ãƒ«ã®å…¨éƒ¨ã€ã¾ãŸã¯ä¸€éƒ¨ã‚’ä½¿ç”¨ã—ãŸã“ã¨ã«ã‚ˆã‚‹æå®³ç‰ã«ã¤ã„ã¦ã€ä¸€åˆ‡ã®è²¬ä»»ã‚’è² ã„ã¾ã›ã‚“ã€‚ã¾ãŸã€ã‚µãƒ³ãƒ—ãƒ«ã®æ–‡å—ã‚³ãƒ¼ãƒ‰ã¯S-JISã§æä¾›ã—ã¾ã™ã®ã§ã€ã”ä½¿ç”¨ã®éš›ã¯Windowsã‹ã‚‰FTPã™ã‚‹ãªã©ã—ã¦é©åˆ‡ãªæ–‡å—ã‚³ãƒ¼ãƒ‰ã«å¤‰æ›ã—ã¦ãã ã•ã„ã€‚å°šã€ã‚µãƒ³ãƒ—ãƒ«ä¸ã«ã¯èª¬æ˜Žã®ç°¡ç•¥åŒ–ã®ãŸã‚æ„å‘³ã®ãªã„ã‚³ãƒ¼ãƒ‰ã‚„ã€å®Ÿç”¨ä¸Šå•é¡Œã®ã‚ã‚‹ã‚³ãƒ¼ãƒ‰ã‚‚å«ã¾ã‚Œã¦ã„ã¾ã™ã®ã§ã”æ³¨æ„ãã ã•ã„ã€‚ [UNIX]ã‚¹ãƒ¬ãƒƒãƒ‰ã§recv [UNIX]selectã‚’ä½¿ã† [Winsock]ã‚¹ãƒ¬ãƒƒãƒ‰ã§recv [Winsock]selectã‚’ä½¿ã† [Winsock]ã‚¤ãƒ™ãƒ³ãƒˆã‚’ä½¿ã† [Java]Socketï¼ˆã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆï¼‰ [Java]ServerSocketï¼ˆã‚µãƒ¼ãƒãƒ¼ï¼‰ [UNIX]ã‚¹ãƒ¬
babydaemons 2009/11/11
UNIX

pthread

socket

winsock

C
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babydaemons 2009/11/10
VC++

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