精华：升级Linux操作系统内核奋斗记 （2）

bzcat gcc-3.4.4.tar.bz2 | tar xvf – 
cd gcc-3.4.4 
./configure –prefix=/usr/local/gcc344 
–enable-shared –enable-threads 
–enable-threads=posix –enable-languages=c,c++,f77 
make bootstrap (因为使用CFLAGS选项时，出错了，所以省略) 
make install 
ln –s /usr/local/gcc344/bin/gcc /usr/bin/gcc

tar zxpvf binutils-2.14.tar.gz 
mkdir binutils-build 
cd binutils-build 
../binutils-2.14/configure –prefix=/usr –enable-shared 
make tooldir=/usr 
make check 
make tooldir=/usr install 
cp ../binutils-2.14/include/libiberty.h /usr/include

tar zxpvf glibc-2.3.5.tar.gz 
patch –Np1 –i ../glibc-2.3.5-fix_test-1.path 
mkdir glibc-build 
cd glibc-build 
../glibc-2.3.5/configure –prefix=/usr/local/glibc235 
–enable-add-ons=linuxthreads 
–enable-kernel=2.6.0 (若安装在/usr目录下，很危险，可能会损坏你的系统) 
make 
make check (必须执行的一步) 
make localedata /install-locales (对应各国文字) 
mkdir /usr/man/man3(man的安装路径) 
make –C ../glibc-2.3.5/linuxthreads/man install

#include 
#include 
#include 
#include 
void thread_fun(void * arg); 
char message[] = “I am created thread”; 
int main() { 
int rnt; 
pthread_t new_thread; 
void *thread_result; 
rnt=pthread_create(&new_thread,NULL, thread_fun, (void*) message); 
if (rnt != 0) { 
perrer (“thread creation failed”); 
exit(EXIT_FAILURE); 
} 
printf(“Waiting for other thread to finish…
”); 
rnt = pthread_join(new_thread, &thread_result); 
if (rnt != 0) { 
perrer (“thread join failed”); 
exit(EXIT_FAILURE); 
} 
printf(“Thread join, it returned %s 
”, (char*) thread_result); 
printf(“message now %s
”, message); 
exit(EXIT_SUCCESS); 
} 
void *thread_fun (void * arg) { 
printf(“the new thread is running. Argument was %s
”,(char*)arg); 
sleep(3); 
strcpy(message, “Bye”); 
pthread_exit(“Thank you for the test”); 
}

gcc -D_REENTRANT test_thread.c -o test_thread -lpthread 
./test_thread