1 files changed, 39 insertions, 0 deletions
diff --git a/usr/klibc/tests/pipetest.c b/usr/klibc/tests/pipetest.c
new file mode 100644
index 0000000..0e49721
--- /dev/null
+++ b/usr/klibc/tests/pipetest.c
@@ -0,0 +1,39 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <errno.h>
+
+int main(void)
+{
+	/* Size of message must be <= PIPE_BUF */
+	const char msg[] = "Hello, World!";
+	char buf[512];
+	int rv;
+	int pfd[2];
+
+	if (pipe(pfd)) {
+		perror("pipe");
+		return 1;
+	}
+
+	if (write(pfd[1], msg, sizeof msg) != sizeof msg) {
+		perror("write");
+		return 1;
+	}
+
+	while ((rv = read(pfd[0], buf, sizeof buf)) < sizeof msg) {
+		if (rv == -1 && errno == EINTR)
+			continue;
+		perror("read");
+		return 1;
+	}
+
+	if (memcmp(msg, buf, sizeof msg)) {
+		fprintf(stderr, "Message miscompare!\n");
+		return 1;
+	}
+
+	return 0;
+}