stuff

Examples/ipc/signal1.c

@@ -0,0 +1,29 @@
+/*
+ * signal1.c - Shows how to set up a signal handler
+ *            for the interrupt (CTRL+C) signal
+ */
+
+#include <sys/types.h> // needed for pid_t
+#include <unistd.h>    // needed for getpid, sleep system calls
+#include <signal.h>    // needed for signal system call
+#include <stdio.h>     // needed for printf
+
+// Signal handler
+//    Prints the PID of the process and the received signal
+void signal_handler(int sig)
+{
+    pid_t pid = getpid();
+    printf("Process %d received signal %d\n", pid, sig);
+}
+
+int main()
+{
+    // Set a signal handler for the interrupt signal
+    signal(SIGINT, signal_handler);
+
+    // Loop forever and sleep
+    while(1) {
+        printf("sleeping...\n");
+        sleep(1);
+    }
+}