newlib: first test for signals

qa/lib/newlib/200-signals.c

@@ -0,0 +1,67 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <signal.h>
+
+void sighup(); /* routines child will call upon sigtrap */
+void sigint();
+void sigquit();
+
+int
+main() { 
+	int pid, p[2];
+	char dummy[1];
+
+	/* get child process */
+
+	if(pipe(p)){
+		perror("pipe");
+		exit(1);
+	}
+	if ((pid = fork()) < 0) {
+		perror("fork");
+		exit(2);
+	}
+
+	if (pid == 0) {
+		printf("\nI am the new child!\n\n");
+		signal(SIGHUP,sighup); /* set function calls */
+		signal(SIGINT,sigint);
+		signal(SIGQUIT, sigquit);
+		
+		close(p[1]);
+		close(p[0]);
+		printf("\nChild going to loop...\n\n");
+		for(;;); /* loop for ever */
+	}
+	else /* parent */
+	{
+		close(p[1]);
+		read(p[0], &dummy, 1);
+		close(p[0]);
+		printf("\nPARENT: sending SIGHUP\n\n");
+		kill(pid,SIGHUP);
+		sleep(3); /* pause for 3 secs */
+		printf("\nPARENT: sending SIGINT\n\n");
+		kill(pid,SIGINT);
+		sleep(3); /* pause for 3 secs */
+		printf("\nPARENT: sending SIGQUIT\n\n");
+		kill(pid,SIGQUIT);
+		sleep(3);
+	}
+}
+
+void sighup() {
+	signal(SIGHUP,sighup); /* reset signal */
+	printf("CHILD: I have received a SIGHUP\n");
+}
+
+void sigint() {
+	signal(SIGINT,sigint); /* reset signal */
+	printf("CHILD: I have received a SIGINT\n");
+}
+
+void sigquit() {
+	printf("My DADDY has Killed me!!!\n");
+	exit(0);
+}

qa/lib/newlib/build.json

@@ -33,7 +33,8 @@
 			"000-hello.c",
 			"010-fork.c",
 			"100-files.c",
-			"101-files.c"
+			"101-files.c",
+			"200-signals.c"
 		]
 	},
 	"NewlibTestsuite": {