1 files changed, 30 insertions, 0 deletions
diff --git a/02_exercise/signal_handler.c b/02_exercise/signal_handler.c
new file mode 100644
index 0000000..e135739
--- /dev/null
+++ b/02_exercise/signal_handler.c
@@ -0,0 +1,30 @@
+#include "signal_handler.h"
+
+#include <wait.h>
+#include <stdio.h>
+#include <unistd.h>
+
+void signal_handler(int signal) {
+    if (signal == SIGINT) {
+        interrupt_issued = 1;
+    } else if (signal == SIGTSTP) {
+        stop_issued = 1;
+        kill(getpid(), SIGINT);
+    }
+}
+
+void handle_interrupt(pid_t pid) {
+    int status;
+    if (stop_issued) {
+        stop_issued = 0;
+        interrupt_issued = 0;
+    } else if (interrupt_issued) {
+        interrupt_issued = 0;
+        kill(pid, SIGKILL);
+        waitpid(pid, &status, 0);
+        printf("Killed [%ld]\n", (long)pid);
+        return;
+    }
+    kill(pid, SIGCONT);
+    printf("[%ld]\n", (long)pid);
+}
+\ No newline at end of file