5 files changed, 100 insertions, 0 deletions
diff --git a/test/Makefile b/test/Makefile
new file mode 100644
index 0000000..36670cb
--- /dev/null
+++ b/test/Makefile
@@ -0,0 +1,9 @@
+#
+# $Id$
+#
+
+all: fork sig
+
+clean distclean:
+	rm -f fork sig *.o core
+
diff --git a/test/fork.c b/test/fork.c
new file mode 100644
index 0000000..3f68f67
--- /dev/null
+++ b/test/fork.c
@@ -0,0 +1,10 @@
+main()
+{
+	if (fork() == 0)
+		write(1, "child\n", 6);
+	else {
+		wait(0);
+		write(1, "parent\n", 7);
+	}
+	exit(0);
+}
diff --git a/test/procpollable.c b/test/procpollable.c
new file mode 100644
index 0000000..fc599b5
--- /dev/null
+++ b/test/procpollable.c
@@ -0,0 +1,33 @@
+#include <stdio.h>
+#include <signal.h>
+#include <sys/procfs.h>
+#include <sys/stropts.h>
+#include <poll.h>
+main()
+{
+	int pid;
+	char proc[32];
+	FILE *pfp;
+	struct pollfd pfd;
+
+	if ((pid = fork()) == 0) {
+		pause();
+		exit(0);
+	}
+	sprintf(proc, "/proc/%d", pid);
+	if ((pfp = fopen(proc, "r+")) == NULL)
+		goto fail;
+	if (ioctl(fileno(pfp), PIOCSTOP, NULL) < 0)
+		goto fail;
+	pfd.fd = fileno(pfp);
+	pfd.events = POLLPRI;
+	if (poll(&pfd, 1, 0) < 0)
+		goto fail;
+	if (!(pfd.revents & POLLPRI))
+		goto fail;
+	kill(pid, SIGKILL);
+	exit(0);
+fail:
+	kill(pid, SIGKILL);
+	exit(1);
+}
diff --git a/test/sfd.c b/test/sfd.c
new file mode 100644
index 0000000..081de01
--- /dev/null
+++ b/test/sfd.c
@@ -0,0 +1,32 @@
+#include <fcntl.h>
+#include <stdio.h>
+main(int argc, char *argv[])
+{
+	int pid = atoi(argv[1]);
+	int sfd;
+	char sname[32];
+	char buf[1024];
+	char *s;
+	int i;
+	int signal, blocked, ignore, caught;
+
+	sprintf(sname, "/proc/%d/stat", pid);
+	if ((sfd = open(sname, O_RDONLY)) == -1) {
+		perror(sname);
+		return 1;
+	}
+	i = read(sfd, buf, 1024);
+	buf[i] = '\0';
+	for (i = 0, s = buf; i < 30; i++) {
+		while (*++s != ' ') {
+			if (!*s)
+				break;
+		}
+	}
+	if (sscanf(s, "%d%d%d%d", &signal, &blocked, &ignore, &caught) != 4) {
+		fprintf(stderr, "/proc/pid/stat format error\n");
+		return 1;
+	}
+	printf("%8x %8x %8x %8x\n", signal, blocked, ignore, caught);
+	return 1;
+}
diff --git a/test/sig.c b/test/sig.c
new file mode 100644
index 0000000..930a177
--- /dev/null
+++ b/test/sig.c
@@ -0,0 +1,16 @@
+#include <signal.h>
+main()
+{
+	char buf[1024];
+	void interrupt();
+
+	signal(SIGINT, interrupt);
+	read(0, buf, 1024);
+	write(2, "qwerty\n", 7);
+	exit(0);
+}
+
+interrupt()
+{
+	write(2, "xyzzy\n", 6);
+}