From abc0c2c4b00fd6b4b41e11798346894f152598b3 Mon Sep 17 00:00:00 2001 From: Thadeu Lima de Souza Cascardo Date: Thu, 20 Oct 2016 10:16:30 +0000 Subject: [PATCH] Demo: wait for input before printing GNU Signed-off-by: Thadeu Lima de Souza Cascardo --- main.c | 4 ++++ 1 file changed, 4 insertions(+) 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); -- 2.20.1