On Thu, 07 May 2020 19:31:28 -0700
David Rothenberger wrote:
> On 2020-05-07 15:10, bri...@pounceofcats.com wrote:
> > On Thu, 7 May 2020 23:26:37 +0200
> > Eric Lilja wrote:
> >
> >> Cygwin itself is actually just DLL, you can select a previous version
> >> of it
> >> in setup.exe. That
On 2020-05-07 16:12, Brian D wrote:
> On Thu, 7 May 2020 15:52:06 -0600, Brian Inglis wrote:
[please ensure all email addresses are stripped from the body]
>> As that env var is interpreted by the main Cygwin process cygwin1.dll, which
>> has
>> to be unloaded and reloaded, I'd set
Brian wrote:
__
success!
That did it. What i find particularly strange is that it fixes the problem in
mintty as well as the terminals i'm running in x-windows, for example the
xfce4-terminal.
I had no idea such a thing as the cygwin.dll existed, i would have
On 2020-05-07 15:10, bri...@pounceofcats.com wrote:
On Thu, 7 May 2020 23:26:37 +0200
Eric Lilja wrote:
Cygwin itself is actually just DLL, you can select a previous version
of it
in setup.exe. That solved our issue with corrupted display of Maven.
You
can also install older versions of any
On Tue, 2020-05-05 at 10:54 +0200, Corinna Vinschen wrote:
> On May 5 08:45, Biswapriyo Nath via Cygwin wrote:
> > Chaging the defines in package may break others installation.
>
> No, it doesn't in this case.
In what case would it?
> Yaakov is talking about mingw-w64 headers used to create
On Thu, 7 May 2020 15:52:06 -0600
Brian Inglis wrote:
> As that env var is interpreted by the main Cygwin process cygwin1.dll, which
> has
> to be unloaded and reloaded, I'd set CYGWIN=disable_pcon in the System
> environment, then shut down all Cygwin processes, as you would before running
>
On Thu, 7 May 2020 23:26:37 +0200
Eric Lilja wrote:
> Cygwin itself is actually just DLL, you can select a previous version of it
> in setup.exe. That solved our issue with corrupted display of Maven. You
> can also install older versions of any package (but not all old versions
> ever published
On 2020-05-07 15:09, bri...@pounceofcats.com wrote:
> On Thu, 7 May 2020 20:19:29 +
> André Bleau via Cygwin wrote:
>> Brian D wrote:
>>> Assuming Julia is a not Cygwin program,
>>> you can try "CYGWIN=disable_pcon" before any Cygwin process
>> Did not help.
>> Thanks for that though, I
Cygwin itself is actually just DLL, you can select a previous version of it
in setup.exe. That solved our issue with corrupted display of Maven. You
can also install older versions of any package (but not all old versions
ever published will be available to choose from, just a few ones). Anyway,
On Thu, 7 May 2020 22:22:56 +0200
Eric Lilja wrote:
> You simply run the setup program, it's possible to select a few older
> versions.
>
oh, i was thinking i could simply select a previous version of cygwin as a
whole.
are you talking about selecting previous versions of specific packages ?
On Thu, 7 May 2020 20:19:29 +
André Bleau via Cygwin wrote:
> Brian wrote:
>
>
> > Assuming Julia is a not Cygwin program,
> > you can try "CYGWIN=disable_pcon" before any Cygwin process
>
> Did not help.
>
> Thanks for that though, I had no idea
You simply run the setup program, it's possible to select a few older
versions.
- Eric L
On Thu, May 7, 2020 at 6:32 PM wrote:
> On Thu, 7 May 2020 18:01:59 +0200
> Eric Lilja wrote:
>
> > Did you try to go back to Cygwin 3.0.7? At work, we had to do that, after
> > output from Maven (which
The beginning of fhandler_fifo.cc contains a long comment giving an
overview of the FIFO implementation. This is now updated to describe
the support for multiple readers.
---
winsup/cygwin/fhandler_fifo.cc | 58 --
1 file changed, 35 insertions(+), 23 deletions(-)
Even though we currently allow a FIFO to be opened for reading only
once, we can still have more than one reader open because of dup and
fork. Add a named shared memory section accessible to all readers of
a given FIFO. In future commits we will add information needed by all
readers to this
Among all the open readers of a FIFO, one is declared to be the owner.
This is the only reader that listens for client connections, and it is
the only one that has an accurate fc_handler list.
Add shared data and methods for getting and setting the owner, as well
as a lock to prevent more than
If fixup_after_exec is called on a non-close-on-exec reader whose
parent is the owner, transfer ownership to the child. Otherwise the
parent's pipe handles will be closed before any other reader can
duplicate them.
To help with this, make the cancel_evt and thr_sync_evt handles
inheritable, so
If the owning reader is closing, wait for another reader (if there is
one) to take ownership before closing the owner's pipe handles.
To synchronize the ownership transfer, add events owner_needed_evt and
owner_found_evt, and add methods owner_needed and owner_found to
set/reset them.
Modify the
This will simplify future work.
Rename the thread from "listen_client_thread" to "fifo_reader_thread"
because it will be used for more than just listening.
Remove the fixup_before stuff, which won't be needed after future
changes to fixup_after_fork and fixup_after_exec.
---
Add a take_ownership method, used by raw_read and select.cc:peek_fifo.
It wakes up all fifo_reader_threads and allows the caller to become
owner. The work is done by the fifo_reader_threads.
For synchronization we introduce several new fhandler_fifo data
members and methods:
- update_needed_evt
This uniquely identifies an fhandler_fifo open for reading in any
process.
Add a new data member 'me' of this type, which is set in open, dup,
fork, and exec.
---
winsup/cygwin/fhandler.h | 23 +++
winsup/cygwin/fhandler_fifo.cc | 9 -
2 files changed, 31
- Make read_ready a manual-reset event.
- Signal read_ready in open instead of in the listen_client_thread.
- Don't reset read_ready when the listen_client thread terminates;
instead do it in close().
- Rearrange open and change its error handling.
- Add a wait_open_pipe method that waits
Always return 0; no one is doing anything with the return value
anyway.
Remove the return value from stop_listen_client.
Make the connection event auto-reset, so that we don't have to reset
it later.
Simplify the process of connecting a bogus client when thread
termination is signaled.
Make
Replace CloseHandle by NtClose since all handles are created by NT
functions.
---
winsup/cygwin/fhandler_fifo.cc | 32
1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/winsup/cygwin/fhandler_fifo.cc b/winsup/cygwin/fhandler_fifo.cc
index
Although we can have multiple readers open because of dup/fork/exec,
the current code does not support multiple readers opening a FIFO by
explicitly calling 'open'.
The main complication in supporting this is that when a blocking
reader tries to open and there's already one open, it has to check
According to Posix, a FIFO open for reading is at EOF if it is empty
and there are no writers open.
The only way to test this is to poll the fifo_client_handlers as in
raw_read and select.cc:peek_fifo. The current hit_eof instead relies
on the value of nconnected, which can be out of date. On
This project began as a an attempt to allow a FIFO to be opened
multiple times for reading. The initial motivation was that Midnight
Commander running under tcsh does this (unsuccessfully on Cygwin).
See
https://sourceware.org/pipermail/cygwin/2019-December/243317.html
It quickly became
This is in a new shared memory section. We will use it for temporary
storage of the owner's fc_handler list when we need to change owner.
The new owner can then duplicate the pipe handles from that list
before taking ownership.
Add several shared data members and methods that are needed for the
Add data and methods to the shared memory that keep track of the
number of open readers.
Increment this number in open, dup, fork, and exec. Decrement it in
close. Reset read_ready if there are no readers left.
---
winsup/cygwin/fhandler.h | 8
winsup/cygwin/fhandler_fifo.cc |
There's no reason to check for errors when we set read_ready or
write_ready. We don't do that for other events.
---
winsup/cygwin/fhandler.h | 1 -
winsup/cygwin/fhandler_fifo.cc | 34 +++---
2 files changed, 3 insertions(+), 32 deletions(-)
diff --git
Replace the 'fhandler_base *' member by a HANDLE to the server side of
the Windows named pipe instance. Make the corresponding
simplifications throughout.
---
winsup/cygwin/fhandler.h | 19 +++---
winsup/cygwin/fhandler_fifo.cc | 65 --
2 files changed,
Also improve the error handling.
---
winsup/cygwin/fhandler_fifo.cc | 60 +++---
1 file changed, 33 insertions(+), 27 deletions(-)
diff --git a/winsup/cygwin/fhandler_fifo.cc b/winsup/cygwin/fhandler_fifo.cc
index 44919c19e..f61e2fe72 100644
---
There can be deadlocks if the child starts with its fifo_client_lock
in the locked state.
---
winsup/cygwin/fhandler_fifo.cc | 31 +++
1 file changed, 23 insertions(+), 8 deletions(-)
diff --git a/winsup/cygwin/fhandler_fifo.cc b/winsup/cygwin/fhandler_fifo.cc
index
Make the values correspond to the possible return values of
fifo_client_handler::pipe_state().
When cleaning up the fc_handler list in listen_client_thread(), don't
delete handlers in the fc_closing state. I think the pipe might still
have input to be read in that case.
Set the state to
Make fc_handler a pointer to malloc'd memory instead of a fixed-size
array. The size is now a new data member 'shandlers'. Call realloc
in add_client_handler if we need to grow the array.
free fc_handler in close. As long as we're touching that code, also
remove an unneeded lock.
---
Brian wrote:
> Assuming Julia is a not Cygwin program,
> you can try "CYGWIN=disable_pcon" before any Cygwin process
Did not help.
Thanks for that though, I had no idea those kind of env variables were
available.
Brian
On Thu, 7 May 2020 19:31:01 +0200
Marco Atzeri via Cygwin wrote:
> > Any ideas on what i might try ?
> >
> > Thanks !
> >
> >
> Assuming Julia is a not Cygwin program,
> you can try "CYGWIN=disable_pcon" before any Cygwin process
Did not help.
Thanks for that though, I had no idea those
On 5/7/2020 6:56 AM, Lemures Lemniscati via Cygwin wrote:
Hi!
I tried to use pdfcrop in texlive-collection-binextra 20200406-1
And it didn't work correctly with
ghostscript 9.27-2
libgs9 9.27-2
libgs-devel 9.27-2
(cropping wrong area)
But it works well with test
Am 07.05.2020 um 17:18 schrieb bri...@pounceofcats.com:
Hi,
Doesn't matter what terminal i'm using, I'm having a problem with the way
graphic characters print.
Julia uses unicode output, and will generate output that should look like this:
julia> x=DataFrame([(1,2,3), (4,5,6)])
2×3 DataFrame
On Thu, 7 May 2020 18:01:59 +0200
Eric Lilja wrote:
> Did you try to go back to Cygwin 3.0.7? At work, we had to do that, after
> output from Maven (which is colored) gets corrupted after a change in 3.1.0
> and onwards. The output problem we saw manifests itself slightly different
> from yours,
Did you try to go back to Cygwin 3.0.7? At work, we had to do that, after
output from Maven (which is colored) gets corrupted after a change in 3.1.0
and onwards. The output problem we saw manifests itself slightly different
from yours, but it might be worth trying Cygwin 3.0.7 nonetheless.
-
Hi,
Doesn't matter what terminal i'm using, I'm having a problem with the way
graphic characters print.
Julia uses unicode output, and will generate output that should look like this:
julia> x=DataFrame([(1,2,3), (4,5,6)])
2×3 DataFrame
│ Row │ 1 │ 2 │ 3 │
│ │ Int64 │ Int64 │
Takashi Yano wrote:
Hi André,
Thanks for the report.
On Thu, 7 May 2020 03:38:25 +
André Bleau via Cygwin wrote:
> Hi cygwin users,
>
> I have cli program that I run with mintty. It is a simple C++ program,
> reading from cin and outputing to cout.
Hi!
I tried to use pdfcrop in texlive-collection-binextra 20200406-1
And it didn't work correctly with
ghostscript 9.27-2
libgs9 9.27-2
libgs-devel 9.27-2
(cropping wrong area)
But it works well with test version
ghostscript 9.50-1
libgs9 9.50-1
Hi André,
Thanks for the report.
On Thu, 7 May 2020 03:38:25 +
André Bleau via Cygwin wrote:
> Hi cygwin users,
>
> I have cli program that I run with mintty. It is a simple C++ program,
> reading from cin and outputing to cout. It is cross-compiled as a mingw
> program. I've been
Hi,
On 7/5/20 1:44 pm, Shaddy Baddah wrote:
Thanks. Yes, I am mapping my directory outside the cygwin directory
tree, via /etc/fstab.
I will certainly check the perms and see if they make a
difference. However, you must admit, it is weird that running as.exe
with path /usr/bin/as.exe does not
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