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authorRoland McGrath <roland@gnu.org>1996-07-17 22:55:08 +0000
committerRoland McGrath <roland@gnu.org>1996-07-17 22:55:08 +0000
commit5b9e5e24f883db76aa783678b77698c47caecc30 (patch)
tree199fc2010d664be83723e838f8217dbb4c3eab82 /libpipe/ChangeLog
parentb3657b27182f2c707cb940795cb982e4bb0f5660 (diff)
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+Tue Jul 16 11:33:34 1996 Michael I. Bushnell, p/BSG <mib@gnu.ai.mit.edu>
+
+ * pipe.h (EWOULDBLOCK): Define to work around new libc bug.
+
+Mon Jul 1 17:29:07 1996 Miles Bader <miles@gnu.ai.mit.edu>
+
+ * pq.c (pq_queue): Initialize PACKET->buf_vm_alloced.
+
+Tue Jan 23 12:44:40 1996 Miles Bader <miles@gnu.ai.mit.edu>
+
+ * pq.h (packet_ensure, packet_ensure_efficiently): Use packet_fit().
+ (packet_fit): New function.
+ * pq.c (packet_read): If there's lots of empty space at the
+ beginning of a vm_alloced buffer, deallocate it.
+
+Mon Jan 22 17:12:39 1996 Miles Bader <miles@gnu.ai.mit.edu>
+
+ * pq.c (packet_realloc): Reflect in the new values of BUF_START &
+ BUF_END that we've removed any empty space at the beginning of BUF.
+
+Sat Jan 13 13:56:13 1996 Miles Bader <miles@gnu.ai.mit.edu>
+
+ * pq.h (packet_ensure, packet_ensure_efficiently): Use
+ packet_new_size() instead of packet_size_adjust().
+ (packet_size_adjust): Declaration removed.
+ (packet_new_size): New declaration.
+ * pq.c (packet_size_adjust): Function removed.
+ (packet_new_size): New function.
+
+ * pq.c (packet_read): Re-arrange to be slightly less confusing.
+ Reverse start-past-buf-beginning test that may have leaked memory.
+
+ * pipe.c (pipe_send): For non-blocking writes, avoid writing more
+ than the user requested.
+
+Fri Jan 12 12:15:06 1996 Miles Bader <miles@gnu.ai.mit.edu>
+
+ * pq.c (pq_queue): Initialize the ports_alloced field.
+ (packet_read): When a page-aligned read consumes the whole buffer,
+ but there's a non-page-multiple amount available, don't let
+ buf_len become negative.
+
+Mon Oct 9 14:57:48 1995 Roland McGrath <roland@churchy.gnu.ai.mit.edu>
+
+ * Makefile: Specify shared library dependencies.
+
+Thu Sep 7 09:08:30 1995 Miles Bader <miles@churchy.gnu.ai.mit.edu>
+
+ * pq.c (packet_read): Don't leave PACKET in a fucked up state when
+ it's vm_allocate'd but doesn't a page-multiple amount of data and
+ we're reading everything.
+
+ * pipe.c (_pipe_no_readers): REALLY wake up writers when the pipe
+ breaks.
+
+Fri Sep 1 10:42:03 1995 Miles Bader <miles@churchy.gnu.ai.mit.edu>
+
+ * pipe.c (_pipe_no_readers): Wake up write selects too when the
+ pipe breaks.
+
+Thu Aug 31 14:39:21 1995 Miles Bader <miles@churchy.gnu.ai.mit.edu>
+
+ * pipe.c (pipe_send): Make writes blockable.
+ (pipe_recv): Wakeup blocked writers.
+ (pipe_kick): Function deleted.
+ (pipe_create): Make connection-oriented pipes start out broken.
+ (_pipe_first_reader): New function.
+ (_pipe_first_writer): Don't check whether PIPE is connection-
+ oriented before clearing PIPE_BROKEN, as otherwise it will never
+ be set.
+ (pipe_pair_select): New function.
+ (pipe_multiple_lock): New variable.
+ * pipe.h (pipe_wait): Renamed to `pipe_wait_readable'.
+ (pipe_select): Renamed to `pipe_select_readable'.
+ (pipe_writable, pipe_wait_writable, pipe_select_writable): New funcs.
+ (pipe_acquire_reader): Call _pipe_first_reader if necessary.
+ (_pipe_first_reader): New declaration.
+ (struct pipe): New fields: `write_limit', `write_atomic',
+ `pending_writes', `pending_write_selects'.
+ (struct pipe): `pending_selects' changed to `pending_read_selects'.
+ (pipe_pair_select): New declaration.
+
+Tue Aug 29 14:37:49 1995 Miles Bader <miles@geech.gnu.ai.mit.edu>
+
+ * pipe.c (pipe_send): Use condition_broadcast, not condition_signal.
+ * pipe.h (pipe_select): New function.
+
+ * pipe.h (struct pipe): Remove interrupt_seq_num field.
+ (pipe_wait): Use hurd_condition_wait to detect interrupts instead
+ of previous ad-hoc mechanism.
+
+ * pipe.c (pipe_create): Don't initialize interrupt_seq_num field.
+
+ * pipe.h (pipe_acquire_reader, pipe_acquire_writer,
+ pipe_add_reader, pipe_add_writer): `aquire' -> `acquire'.
+
+Fri Aug 11 18:35:32 1995 Miles Bader <miles@churchy.gnu.ai.mit.edu>
+
+ * pipe.c (pipe_create): Initialize READERS & WRITERS, not REFS.
+ (_pipe_first_writer): New function.
+ (_pipe_no_writers, _pipe_no_writers): New function.
+ (pipe_break): Function deleted.
+
+Wed Aug 9 12:53:05 1995 Miles Bader <miles@geech.gnu.ai.mit.edu>
+
+ * pipe.h (struct pipe): Keep separate ref counts for readers and
+ writers.
+ (pipe_aquire_reader, pipe_aquire_writer): New functions.
+ (pipe_release_reader, pipe_release_writer): New functions.
+ (pipe_add_reader, pipe_add_writer): New functions.
+ (pipe_remove_reader, pipe_remove_writer): New functions.
+ (_pipe_first_writer): New function decl.
+ (_pipe_no_writers, _pipe_no_writers): New function decl.
+ (pipe_aquire, pipe_release): Function deleted.
+ (pipe_break): Function decl deleted.
+
+Tue Aug 1 12:37:27 1995 Miles Bader <miles@churchy.gnu.ai.mit.edu>
+
+ * pipe.c (pipe_recv): Get rid of code to deal with getting the
+ source address from the control packet if there is no data packet,
+ since pipe_write always writes a data packet.
+
+Mon Jul 31 14:50:00 1995 Miles Bader <miles@churchy.gnu.ai.mit.edu>
+
+ * pipe.c (pipe_recv): Assert that a control packet should only
+ have a source address if there is no corresponding data packet.
+ (pipe_send): Change the test to determine whether we should write
+ a control packet, so that we only do so if we need to. Also,
+ don't record the source address in control packets, as it's
+ recorded in the following data packet anyway, and this prevents it
+ from being dealloc'd twice.
+
+Fri Jul 28 23:03:27 1995 Miles Bader <miles@churchy.gnu.ai.mit.edu>
+
+ * pipe.h (stream_pipe_class, dgram_pipe_class, seqpack_pipe_class):
+ Make these declarations extern so they don't fuck up initialization.
+ (seqpacket_pipe_class): Renamed to `seqpack_pipe_class'.