From: Thadeu Lima de Souza Cascardo <cascardo@cascardo.eti.br>
Date: Thu, 20 Oct 2016 10:16:30 +0000 (+0000)
Subject: Demo: wait for input before printing GNU
X-Git-Url: http://git.cascardo.eti.br/?p=cascardo%2Fb2hw.git;a=commitdiff_plain;h=abc0c2c4b00fd6b4b41e11798346894f152598b3

Demo: wait for input before printing GNU

Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@cascardo.eti.br>
---

diff --git a/main.c b/main.c
index b910217..daea84c 100644
--- a/main.c
+++ b/main.c
@@ -99,6 +99,7 @@ int main(int argc, char **argv)
 	int fd = -1;
 	int i;
 	char *args[] = { "bash", "-l", NULL };
+	char demo[2];
 	r = devmount_setup();
 	if (r < 0) {
 		fprintf(stderr, "failed to mount devtmpfs, proceeding anyway\n");
@@ -119,15 +120,18 @@ int main(int argc, char **argv)
 		write(fd, "Hello World!\n", 13);
 		sleep(1);
 	}
+	read(fd, demo, 2);
 	write(fd, "G\n", 2);
 	dup2(fd, 0);
 	dup2(fd, 1);
 	dup2(fd, 2);
+	read(fd, demo, 2);
 	printf("N\n");
 	r = do_mknod("/sys/block/mmcblk1", "mmcblk1p3", 1, 1);
 	if (r < 0) {
 		fprintf(stderr, "Failed to create mmcblk1p3\n");
 	}
+	read(fd, demo, 2);
 	printf("U\n");
 	printf("Mounting root\n");
 	r = mkdir("/root", 0755);