reading ext2 files and using our abstractions

1 files changed, 21 insertions, 0 deletions

diff --git a/userspace/piper.c b/userspace/piper.c
new file mode 100644
index 0000000..2272f96
--- /dev/null
+++ b/userspace/piper.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+int main()
+{
+    int pid=_fork();
+    FILE *f=fopen("~testpipe","rw");
+
+    setvbuf(f,NULL,_IONBF,0);
+
+    if(pid==0)
+    {
+	char buf[2];
+	fread(f,buf,1,1);
+	printf("[%c]\n",buf[0]);
+    }
+    else
+    {
+	char buf="666";
+	fwrite(f,buf,1,1);
+	printf("written\n");
+    }
+}