Select test-set imported from the minix contributions, with permission

to modify and distribute from Jose Manuel Gomez, the author
(jmgomez@linuxmail.org).

test/select/test12.c

@@ -0,0 +1,39 @@
+/*
+ * Test name: test12.c
+ *
+ * Objective: The purpose of this check the behaviour when a signal is received
+ * and there is a handler.
+ * 
+ * Description: The program handles SIGHUP and expects the user to actually send
+ * the signal from other terminal with 'kill -1 pid' 
+
+ * Jose M. Gomez
+ */
+
+#include <sys/types.h>
+#include <sys/select.h>
+#include <unistd.h>
+#include <time.h>
+#include <stdio.h>
+#include <signal.h>
+#include <errno.h>
+
+#define SECONDS 15
+
+void catch_hup(int sig_num)
+{
+	/* don't need to reset signal handler */
+	printf("Received a SIGHUP, inside the handler now\n");
+}
+
+int main(void) {
+	int ret;		/* return value */
+
+	/* set the HUP sginal handler to 'catch_hup' */
+	signal(SIGHUP, catch_hup);
+	/* Get proc_id and print it */
+	printf("Send a signal from other terminal with: kill -1 %d\n", getpid()); 
+   	printf("Blocking now on select...\n", SECONDS);
+	ret = select(0, NULL, NULL, NULL, NULL); 
+	printf("Errno: %d\n", errno);
+}