From 5b9e5e24f883db76aa783678b77698c47caecc30 Mon Sep 17 00:00:00 2001 From: Roland McGrath Date: Wed, 17 Jul 1996 22:55:08 +0000 Subject: Initial revision --- libpipe/ChangeLog | 137 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 137 insertions(+) create mode 100644 libpipe/ChangeLog (limited to 'libpipe/ChangeLog') diff --git a/libpipe/ChangeLog b/libpipe/ChangeLog new file mode 100644 index 00000000..cbc850c4 --- /dev/null +++ b/libpipe/ChangeLog @@ -0,0 +1,137 @@ +Tue Jul 16 11:33:34 1996 Michael I. Bushnell, p/BSG + + * pipe.h (EWOULDBLOCK): Define to work around new libc bug. + +Mon Jul 1 17:29:07 1996 Miles Bader + + * pq.c (pq_queue): Initialize PACKET->buf_vm_alloced. + +Tue Jan 23 12:44:40 1996 Miles Bader + + * 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 + + * 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 + + * 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 + + * 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 + + * Makefile: Specify shared library dependencies. + +Thu Sep 7 09:08:30 1995 Miles Bader + + * 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 + + * pipe.c (_pipe_no_readers): Wake up write selects too when the + pipe breaks. + +Thu Aug 31 14:39:21 1995 Miles Bader + + * 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 + + * 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 + + * 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 + + * 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 + + * 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 + + * 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 + + * 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'. -- cgit v1.2.3