dhfhdkfl

1 files changed, 92 insertions, 5 deletions

diff --git a/init/init.c b/init/init.c
index 00836b5..090dfe2 100644
--- a/init/init.c
+++ b/init/init.c
@@ -1,13 +1,100 @@
 #include <stdio.h>
 #include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <poll.h>
 
-int main(int argc, char* argv[])
+int run_start(char* _prog)
+{
+	pid_t pid = fork();
+
+	if( pid < 0 )
+		return 1;
+	else if (pid == 0)
+		return 0;
+
+	execl(_prog, _prog, NULL);
+}
+
+int run_stdio(char* _prog)
 {
-	printf("I'm a kernel!\r\n");
+	
+	int fork_pipe_out[2];
+	int fork_pipe_in [2];
+	pid_t pid = 0;
+
+	if(pipe(fork_pipe_out) == -1)
+		return 1;
+
+	if(pipe(fork_pipe_in) == -1)
+		return 1;
+
+	if((pid = fork()) == -1)
+		return 2;
+
+	if (pid == 0)
+	{
+		dup2(fork_pipe_out[1], STDOUT_FILENO);
+		dup2(fork_pipe_in [0], STDIN_FILENO );
+		close (fork_pipe_out[0]);
+		close (fork_pipe_in [1]);
+		
+		execl(_prog, _prog, NULL);
 
-	while(1)
+		return 3;
+	}
+	else
 	{
-		printf("Still running!\r\n");
-		sleep(1);
+		printf("asdf\n");
+		close(fork_pipe_out[1]);
+		close(fork_pipe_in [0]);
+		
+		int ret;
+		struct pollfd fds[2];
+		fds[0].fd = STDIN_FILENO;
+		fds[0].events = POLLIN;
+
+		fds[1].fd = fork_pipe_out[0];
+		fds[1].events = POLLIN;
+
+		while(1)
+		{
+			int timeout = 1; //Timeout msecs
+			ret = poll(fds, 2, timeout);
+
+			if(ret < 0)
+				break;
+			else if (ret == 0)
+				continue;
+			
+
+			int nbytes;
+			char buffer[256];
+
+			if(fds[0].revents & POLLIN) //STDIN_FILENO
+			{
+				printf("a\n");
+				nbytes = read(STDIN_FILENO, buffer, sizeof(buffer));
+				write(fork_pipe_in[1], buffer, nbytes);
+				write(fork_pipe_in[1], "\n", 1);
+				
+			}
+			if(fds[1].revents & POLLIN) //PIPE
+			{
+				printf("b\”");
+				nbytes = read(fork_pipe_out[0], buffer, sizeof(buffer));
+				write(STDOUT_FILENO, buffer, nbytes);
+				write(STDOUT_FILENO, "\n", 1);
+			}
+		}
+		wait(0);	
 	}
 }
+
+int main(int argc, char* argv[])
+{
+	printf("MegumInit explosion!\n");
+	run_stdio("yes");
+
+	return 0;
+}