It seems I have tracked down the failure -
Find below a patch that fixes this issue:
Frank
Index: buffer.c
===================================================================
RCS file: /cvs/ccvs/src/buffer.c,v
retrieving revision 1.53
diff -u -r1.53 buffer.c
--- buffer.c 9 Dec 2004 22:59:38 -0000 1.53
+++ buffer.c 16 Feb 2005 17:14:03 -0000
@@ -1840,19 +1840,22 @@
FD_SET (fb->fd, &readfds);
do
{
- int numfds;
+ if (!fb->blocking)
+ {
+ int numfds;
- do {
- /* This used to select on exceptions too, but as far
- as I know there was never any reason to do that and
- SCO doesn't let you select on exceptions on pipes. */
- numfds = select (fb->fd + 1, &readfds, NULL, NULL, NULL);
- if (numfds < 0 && errno != EINTR)
- {
- status = errno;
- goto block_done;
- }
- } while (numfds < 0);
+ do {
+ /* This used to select on exceptions too, but as far
+ as I know there was never any reason to do that and
+ SCO doesn't let you select on exceptions on pipes. */
+ numfds = select (fb->fd + 1, &readfds, NULL, NULL, NULL);
+ if (numfds < 0 && errno != EINTR)
+ {
+ status = errno;
+ goto block_done;
+ }
+ } while (numfds < 0);
+ }
nbytes = read (fb->fd, data + *got, size - *got);
@@ -2040,9 +2043,8 @@
return errno;
}
}
-# endif /* F_GETFL && O_NONBLOCK && F_SETFL */
-
fb->blocking = block;
+# endif /* F_GETFL && O_NONBLOCK && F_SETFL */
return 0;
}
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