ports/java/jdk15/files/patch-j2se::nio::ch::FileChannelImpl.c
Greg Lewis c9d5a55e98 . Properly deal with error cases in transferTo0().
Corrects non-blocking IO case.

Submitted by:	Kurt Miller <kurt@intricatesoftware.com>
Sponsored by:	The FreeBSD Foundation
2006-07-18 23:20:26 +00:00

38 lines
1.1 KiB
C

$FreeBSD$
--- ../../j2se/src/solaris/native/sun/nio/ch/FileChannelImpl.c.orig Fri Jul 7 10:47:18 2006
+++ ../../j2se/src/solaris/native/sun/nio/ch/FileChannelImpl.c Fri Jul 7 14:48:06 2006
@@ -273,14 +273,28 @@
free(buf);
/*
- * XXXBSD: there're potential problems with NBIO fd's. Check it.
+ * Similar to solaris if we've transferred any data return
+ * the number of bytes and ignore any error
+ */
+ if (offset - (off_t)position > 0)
+ return (offset - (off_t)position);
+
+ /*
+ * Deal with NBIO EAGAIN & EINTR the same as solaris.
*/
if (r == -1 || w == -1) {
- fprintf(stderr, "%d %d %d %d %d\n", srcFD, dstFD, r, w, errno);
- JNU_ThrowIOExceptionWithLastError(env, "Transfer failed");
- return IOS_THROWN;
+ switch (errno) {
+ case EAGAIN:
+ return IOS_UNAVAILABLE;
+ case EINTR:
+ return IOS_INTERRUPTED;
+ default:
+ JNU_ThrowIOExceptionWithLastError(env, "Transfer failed");
+ return IOS_THROWN;
+ }
}
- return (offset - (off_t)position);
+
+ return (0);
#endif
}