Merge commit 'e2a5e6750a362e0fd8c89f3d1d40a623ba6d1fd6'

labs/03_shlab/mysplit.c

@@ -0,0 +1,35 @@
+/* 
+ * mysplit.c - Another handy routine for testing your tiny shell
+ * 
+ * usage: mysplit <n>
+ * Fork a child that spins for <n> seconds in 1-second chunks.
+ */
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+#include <signal.h>
+
+int main(int argc, char **argv) 
+{
+	int i, secs;
+
+	if (argc != 2) {
+		fprintf(stderr, "Usage: %s <n>\n", argv[0]);
+		exit(0);
+	}
+	secs = atoi(argv[1]);
+
+
+	if (fork() == 0) { /* child */
+		for (i=0; i < secs; i++)
+			sleep(1);
+		exit(0);
+	}
+
+	/* parent waits for child to terminate */
+	wait(NULL);
+
+	exit(0);
+}