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int pipe(int fd[2]);
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#include<sys/stat.h>
int mknod(const char *path,mode_t mod,dev_t dev);
int mkfifo(const char *path,mode_t mode);
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#include<sys/ipc.h>
key_t ftok(const char * pathname,int proj_id);
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pthread_attr_init()
pthread_attr_setschedpolicy()
pthread_attr_setschedparam()
pthread_attr_destroy()
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pthread_attr_init(&attr);
pthread_attr_setschedpolicy ......
#wget http://ftp.isc.org/isc/bind9/9.6.1-P1/bind-9.6.1-P1.tar.gz
#tar zxvf bind-9.6.1-P1.tar.gz
#cd bind-9.6.1-P1
#./configure --prefix=/usr/local/named --enable-threads --disable-openssl-version-check --disable-ipv6
#make && make install
#cd /usr/local/named
#sbin/rndc-confgen > e ......