1 files changed, 72 insertions, 0 deletions
diff --git a/libaio-0.3.109/harness/cases/4.t b/libaio-0.3.109/harness/cases/4.t
new file mode 100644
index 0000000..972b4f2
--- /dev/null
+++ b/libaio-0.3.109/harness/cases/4.t
@@ -0,0 +1,72 @@
+/* 4.t
+- read of descriptor without read permission (4.t)
+- write to descriptor without write permission (4.t)
+- check that O_APPEND writes actually append
+
+*/
+#include "aio_setup.h"
+
+#define SIZE	512
+#define READ	'r'
+#define WRITE	'w'
+int attempt(int fd, void *buf, int count, long long pos, int rw, int expect)
+{
+	struct iocb iocb;
+	int res;
+
+	switch(rw) {
+	case READ:	io_prep_pread (&iocb, fd, buf, count, pos); break;
+	case WRITE:	io_prep_pwrite(&iocb, fd, buf, count, pos); break;
+	}
+
+	printf("expect %3d: (%c), res = ", expect, rw);
+	fflush(stdout);
+	res = sync_submit(&iocb);
+	printf("%3d [%s]%s\n", res, (res <= 0) ? strerror(-res) : "Success",
+		(res != expect) ? " -- FAILED" : "");
+	if (res != expect)
+		return 1;
+
+	return 0;
+}
+
+int test_main(void)
+{
+	char buf[SIZE];
+	int rofd, wofd, rwfd;
+	int	status = 0, res;
+
+	memset(buf, 0, SIZE);
+
+	rofd = open("testdir/rofile", O_RDONLY);	assert(rofd != -1);
+	wofd = open("testdir/wofile", O_WRONLY);	assert(wofd != -1);
+	rwfd = open("testdir/rwfile", O_RDWR);		assert(rwfd != -1);
+
+	status |= attempt(rofd, buf, SIZE,  0, WRITE, -EBADF);
+	status |= attempt(wofd, buf, SIZE,  0,  READ, -EBADF);
+	status |= attempt(rwfd, buf, SIZE,  0, WRITE, SIZE);
+	status |= attempt(rwfd, buf, SIZE,  0,  READ, SIZE);
+	status |= attempt(rwfd, buf, SIZE, -1,  READ, -EINVAL);
+	status |= attempt(rwfd, buf, SIZE, -1, WRITE, -EINVAL);
+
+	rwfd = open("testdir/rwfile", O_RDWR|O_APPEND);	assert(rwfd != -1);
+	res = ftruncate(rwfd, 0);			assert(res == 0);
+	status |= attempt(rwfd, buf,    SIZE, 0,  READ, 0);
+	status |= attempt(rwfd, "1234",    4, 0, WRITE, 4);
+	status |= attempt(rwfd, "5678",    4, 0, WRITE, 4);
+	memset(buf, 0, SIZE);
+	status |= attempt(rwfd,    buf, SIZE, 0,  READ, 8);
+	printf("read after append: [%s]\n", buf);
+	assert(memcmp(buf, "12345678", 8) == 0);
+
+	status |= attempt(rwfd, KERNEL_RW_POINTER, SIZE, 0,  READ, -EFAULT);
+	status |= attempt(rwfd, KERNEL_RW_POINTER, SIZE, 0, WRITE, -EFAULT);
+
+	/* Some architectures map the 0 page.  Ugh. */
+#if !defined(__ia64__)
+	status |= attempt(rwfd,              NULL, SIZE, 0, WRITE, -EFAULT);
+#endif
+
+	return status;
+}
+