asm/main.c
changeset 5 d752cbe8208e
child 9 c3fecc82ade6
new file mode 100644
--- /dev/null
+++ b/asm/main.c
@@ -0,0 +1,49 @@
+/**
+ * $Id: main.c,v 1.1.1.1 2008-04-28 17:32:52 mbroeker Exp $
+ * $Source: /development/c/asm/main.c,v $
+ *
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <signal.h>
+
+#ifndef TIMEOUT
+#define TIMEOUT 500
+#endif
+
+int get_sp ();
+
+void sigendian ()
+{
+    unsigned short word = 0x1234;
+    unsigned char *p = (unsigned char *)&word;
+
+    signal (SIGUSR1, sigendian);
+    printf ("%s Endian System\n", (p[0] == 0x34) ? "Little" : "Big");
+}
+
+void sigproc ()
+{
+    signal (SIGINT, sigproc);
+    printf ("Stack-Pointer is at %08x\n", get_sp ());
+}
+
+void sigquit ()
+{
+    printf ("Hmm... You got it, man!\n");
+    exit (0);
+}
+
+int main (int argc, char **argv)
+{
+    signal (SIGINT, sigproc);
+    signal (SIGUSR1, sigendian);
+    signal (SIGQUIT, sigquit);
+
+    for (;;)
+        usleep (TIMEOUT);
+
+    return EXIT_FAILURE;
+}