void test_main()
{
int s, pid;
s = SemaGet(1);
if (s == -1) {
print("Error in getting semaphore!");
getline();
exit(-1);
}
pid = fork();
if (pid == -1) {
print("Error in fork!");
getline();
exit(-1);
}
else if (pid == 0) {
while (1) {
P(s);
putwords("one word after another word");
V(s);
}
exit(0);
}
else {
while (1) {
P(s);
int i;
for (i = 0; i < size; ++i) {
print(words[i]);
print(" ");
}
print("\n");
V(s);
}
exit(0);
}
}
void cmain()
{
int s;
int pid;
int tmp;
s = SemaGet(1);
if(s < 0)
{
myprintf("get Semaphore failed\r\n");
exit(-1);
}
myInt2Chars(s,tmpMess);
myprintf("get Semaphore = ");
myprintf(tmpMess);
myprintf("\r\n");
clearWords();
pid = fork();
if(pid > 0)
{
pid = fork();
}
if(pid == 0)
{
while(1)
{
p(s);
clearWords(); /*清空CS缓冲区*/
strcopy(words,zhufu,pid);/*写CS缓冲区*/
tmp = max_read;/*max_read用于判断是否结束*/
v(s);
if(max_read == 0)
{
myprintf("son stop sending zhufu\r\n");
break;
}
}
}
else if(pid == -1)
{
myprintf("create sub prog failed!\r\n");
exit(-1);
}
else
{
while(1)
{
p(s);
if(words[0]) /*若缓冲区有内容*/
{
max_read--;/*max_read用于判断是否结束*/
myprintf("receive zhufu: ");
myprintf(words);/*读CS缓冲区*/
myprintf("\r\n");
isZhuFu();/*判断CS缓冲区区是否是祝福*/
}
else
;
v(s);
if(max_read == 0)
{
SemaFree(s);
myprintf("father quit\r\nrecveive zhufu count = ");
myInt2Chars(zhufu_crt,tmpMess);
myprintf(tmpMess);
myprintf("\r\n");
break;
}
}
}
exit(0);
}
