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nonblock

ÆÄÀÏÀ» ºñºÀ¼â·Î ¸¸µç´Ù.
int nonblock(int sockfd) 
{ 
    int opts; 
    opts = fcntl(sockfd, F_GETFL); 
    if(opts < 0) 
    { 
        return -1; 
    } 
    opts = (opts | O_NONBLOCK); 
    if(fcntl(sockfd, F_SETFL, opts) < 0) 
    { 
        return -1; 
    } 
    return 1; 
} 
 

´Ù½Ã ºÀ¼â·Î ÇÒ°æ¿ì¿¡´Â O_NONBLOCK¸¸ Á¦°ÅÇØ ÁÖ¸é µÈ´Ù.
int block(int sockfd) 
{ 
    int opts; 
    opts = fcntl(sockfd, F_GETFL); 
    if(opts < 0) 
    { 
        return -1; 
    } 
    opts &= ~O_NONBLOCK; 
    if(fcntl(sockfd, F_SETFL, opts) < 0) 
    { 
        return -1; 
    } 
    return 1; 
} 
 


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