Using these is a bit more clearly correct than repeating them everywhere.
To avoid excessive diffstat in a branch for a bug fix, I'm not
immediately replacing all existing occurrences of the same literals with
these names.
The names of these constants are chosen to be consistent with libdbus,
despite using somewhat outdated terminology (D-Bus now uses the term
"well-known bus name" for what used to be called a service name,
reserving the word "service" to mean specifically the programs that
have .service files and participate in service activation).
Signed-off-by: Simon McVittie <smcv@collabora.com>
On GNOME/glib#3268 there was some concern about whether this would
allow an attacker to send signals and have them be matched to a
GDBusProxy in this situation, but it seems that was a false alarm.
Signed-off-by: Simon McVittie <smcv@collabora.com>
This somewhat duplicates test_connection_signals(), but is easier to
extend to cover different scenarios.
Each scenario is tested three times: once with lower-level
GDBusConnection APIs, once with the higher-level GDBusProxy (which
cannot implement all of the subscription scenarios, so some message
counts are lower), and once with both (to check that delivery of the
same message to multiple destinations is handled appropriately).
Signed-off-by: Simon McVittie <smcv@collabora.com>
The recently added libmount-based unix mount monitoring may fail when the
device exceeds inotify limits. Let's fallback to the older implementation
in case of the `mnt_monitor_get_fd` function failure. This among others
fixes tracker-miners failures caused by seccomp rules.
Fixes: https://gitlab.gnome.org/GNOME/tracker-miners/-/issues/315
This is a partial revert and rework of commit
c79575362e, for the `gsettings` script
only (the other completion scripts are fine).
I blindly added quoting to everything shellcheck told me to, without
testing it properly.
As it turns out, the `$schemadir` argument to `gsettings` invocations
was deliberately not quoted, so that it would expand to zero arguments
if unset, and two arguments (`--schemadir /some/path`) if set earlier in
the command-being-completed.
Quoting it meant that it expanded to one argument (the empty string) if
unset, which caused the `gsettings` subcommands to fail, and hence any
further tab completion to fail.
Fix that as suggested on https://www.shellcheck.net/wiki/SC2086 by
turning `schemadir` into an array, which either has zero members if
unset, or two members if set.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
The copyright entries come from looking at `git log gio/completion/*`
and, in particular, `git log -- gio/gsettings-bash-completion.sh` (etc.)
as the files were moved after being originally written, and haven’t
really changed since.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #1415
As suggested by Ville Skyttä in
https://gitlab.gnome.org/GNOME/glib/-/merge_requests/4012#note_2084405,
make sure to invoke the copy of the command which is being completed
when asking for completions of a given subcommand.
This avoids accidentally invoking any old `gdbus`/`gresource`/etc.
binary which is hanging around in another part of `$PATH`.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
The copyright from `git log gio/inotify/meson.build` is now included in
the file header. The following commits are too trivial to be
copyrightable:
- d10be6102f
- 03e86d000f
- 1741fc2c6e
- 8733d172a3
The file was contributed while the `COPYING` file for GLib was
LGPL-2.1-or-later, so was previously implicitly licensed as that.
Let’s make that explicit.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #1415
The license and copyright are already stated in human-readable form in
these files, so this should be uncontroversial.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #1415
The `.flake8` file has a trivial version history, so the copyright is
straightforward from that.
`meson.build` has a more complex history, but the only significant
contributions were from Centricular. From `git log
gio/gdbus-2.0/codegen/meson.build`, the other (following) commits are
too trivial to be copyrightable:
- d10be6102f
- 30b25a6fd9
- 95fa229f34
- 631c3534b7
- 00d7568e4f
- 9734e4854e
- 65be80c3ed
- 66e4ba806a
- a1c78d63ef
- a73ca336aa
- 19353017a7
- b4231844a2
- 4cb945d780
- 4ce58df854
- e2433308c4
- 013980d839
Both files were contributed while the `COPYING` file for GLib was
LGPL-2.1-or-later, so both were previously implicitly licensed as that.
Let’s make that explicit.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #1415
The license and copyright are already stated in human-readable form in
these files, so this should be uncontroversial.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #1415
Using the same justification as in
https://gitlab.gnome.org/GNOME/dconf/-/merge_requests/81#note_2083220:
it’s hard to get this right, with error handling, in a way which is
understandable to people reading it, and which both bash and shellcheck
will be happy with.
On the assumption that none of the completions generated by any of these
utilities will include ‘problematic’ characters (ones which would cause
word splitting or globbing in bash), just ignore the shellcheck
warnings. Note that I have not actually closely verified that these
utilities can’t return ‘problematic’ characters.
This means we can enable shellcheck, with fatal warnings, for these
scripts, and hence catch future regressions.
If someone wants to improve the handling of globbing/word splitting in
some/all of these array assignments in future, the shellcheck disables
can be removed.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
This means that backslashes in the input (which is unlikely, but I guess
possible) won’t affect line splitting. Spotted by shellcheck.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Having them on the same line masks failure of the subcommand generating
the value being assigned. Spotted by shellcheck.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Because completion scripts are not executed directly, they don’t have a
shebang line, so shellcheck can’t be sure which shell syntax to use for
them. Help it out.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Rather than `strdup()`ing strings when passing them into
`_xdg_glob_list_append()`, `strdup()` them *inside* the function
instead.
This avoids a leak in the case that the list entry (tuple of `data` and
`mime_type`) already exists in the list.
This has been upstreamed as
https://gitlab.freedesktop.org/xdg/xdgmime/-/merge_requests/36.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Rather than iterating over the list twice: once to find the resource,
and once to re-find its link and delete it, just use
`g_list_delete_link()` to delete what was found.
This has the lovely side-effect of squashing a false positive from
scan-build, which thought there was a use-after-free of `resource` in
the caller, due to `g_resource_unref()` being called on it here.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #1767
There were a couple of functions in `GDBusConnection` which take a
`user_data` argument, but which then leak it if they error out early.
A true positive spotted by scan-build!
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #1767
There were some error paths where it wasn’t set, returning an
uninitialised value to the caller.
Spotted by scan-build.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #1767
It might not actually be needed (I haven’t checked if the default is
correct), but it certainly does no harm and makes things explicit.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Just like we already do in `GSocket`.
This is necessary when using `g_subprocess_communicate()` with a
subprocess which calls `close()` on its stdin FD at some point. `cat`
does this just before exiting, for example.
This causes a `write()` to the stdin pipe in the parent process to fail
with `EPIPE` and `SIGPIPE`. The condition is not detectable in advance,
because the `close()` call could happen after the `GMainContext` has
dispatched a `g_subprocess_communicate()` callback.
If it weren’t for the `SIGPIPE`,`g_subprocess_communicate()` would be
able to handle the `EPIPE` just fine. `SIGPIPE` seems like a default
error handling path which was useful in 1980 for writing pipe-heavy
command line apps, but which is more of a broken stair for writing
larger modern apps which have more than one data flow path.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Fixes: #3310
With the shell in nounset mode, an error is emitted on referencing
`schemadir` as it is not initialized in all code paths.
Initialize to an empty string to fix.
Signed-off-by: Ville Skyttä <ville.skytta@iki.fi>
The source language of GLib is technically en-US, so we should
consistently use en-US spellings.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #3269
The python interpreter found by `/usr/bin/env python3` is not
necessarily the same installation as the one that's found by meson's
`pymod.find_installation('python')`. This means that even though meson
is checking that the python installation it found includes the
'packaging' module, the scripts might not have access to that module
when run.
For distribution packaging, it's usually desirable to have python script
interpreters be fully specified paths, rather than use `/usr/bin/env`,
to ensure the scripts run using the expected python installation (i.e.
the one where the python 'packaging' dependency is installed).
The easiest way to fix this is to set the script interpreter to the
`full_path()` of the python interpreter found by meson. The specific
python interpreter that will be used can be selected through the use of
a meson machine file by overriding the "python" program. Many
distributions already have this set up using meson packaging helpers.
There are a lot of links to the description of I/O priority in the GIO
docs, and they’re all currently broken since the docs build was ported
to gi-docgen.
Use a simple find and replace (see below) to fix them. This doesn’t port
any of the surrounding docs to gi-docgen format, but should still
improve things overall.
```sh
git search-replace --fix '\[I/O priority\]\[io-priority\]///[I/O priority](iface.AsyncResult.html#io-priority)'
```
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #3250
g_file_copy_async() and g_file_move_async() are written in a way that is
not bindable with gobject-introspection. The progress callback data can
be freed once the async callback has been called, which is convenient
for C, but in language bindings the progress callback closure is
currently just leaked.
There is no scope annotation that fits how the progress callback should
be treated:
- (scope call) is correct for the sync versions of the functions, but
incorrect for the async functions; the progress callback is called
after the async functions return.
- (scope notified) is incorrect because there is no GDestroyNotify
parameter, meaning the callback will always leak.
- (scope async) is incorrect because the callback is called more than
once.
- (scope forever) is incorrect because the callback closure could be
freed after the async callback runs.
This adds g_file_copy_async_with_closures() and
g_file_move_async_with_closures() for the benefit of language bindings.
See: GNOME/gjs#590
This is an introspection-friendly version of g_settings_bind_with_mapping.
Having two callbacks that share the same user data is not supported by
girepository, so the existing function is not introspectable.
Closes: #564
These consistently fail on scheduled CI runs, which is not helping our
ability to catch Hurd regressions.
For example, https://gitlab.gnome.org/GNOME/glib/-/jobs/3709402
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
See: #3148
The gdbus-example-objectmanager visibility header was being re-created
on reconfigure, causing a needless rebuild of gdbus tests that were
using the visibility header.
All other invocations of gen_visibility_macros are via custom_target.
If we don't do this, the --help text is formatted as though the option
did not expect an argument.
IDENTIFIER is a new translated string, but it is developer-oriented,
so a missing translation is not particularly bad. COMMAND is already
present in translations.
Signed-off-by: Simon McVittie <smcv@collabora.com>
If we don't do this, the --help text is formatted as though the option
did not expect an argument.
This introduces a new translated string, but it is developer-oriented,
so a missing translation is not particularly bad.
Signed-off-by: Simon McVittie <smcv@collabora.com>
The ref held by `data->task` may be the last one on the `GTask`. The
`GTask` stores `attempt->data` as its task data, and so when the `GTask`
is finalised, `attempt->data` is too. `connection_attempt_remove()`
needs to access `attempt->data`, so must be called before the
`g_object_unref()` in this situation.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Fixes: #3266
Currently, the `stop_func` is executed on an extra thread, and the
`g_context_specific_group_remove` function returns before the `stop_func`
finishes. It may happen that the `stop_func` is never executed if the
program terminates soon after calling it. Let's wait until the `stop_func`
is done.
Fixes: https://gitlab.gnome.org/GNOME/glib/-/issues/3258
This should clarify things a little for users of language bindings, who
don’t directly use `.pc` files.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
This creates `GioUnix`, `GioWin32`, `GLibUnix` and `GLibWin32`. These
bodies of documentation are in addition to the main, platform agnostic,
documentation for both libraries.
This commit necessarily includes various mechanical changes to update
the repository namespace used in various existing documentation links to
platform specific APIs.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #3037
There was no obvious logical need to list the `GAppInfo` subclass
sources separately in the build. It makes more sense to add them to the
platform-specific source lists, since they are platform specific.
This will be used in an upcoming commit which generates
platform-specific GIR files, so needs the full platform-specific lists
of sources.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #3037
`GFileDescriptorBased` is in `gio-unix-2.0` rather than `gio-2.0`, so
its types shouldn’t be declared in a header belonging to the latter.
This hasn’t been a problem previously because C is fine with that. But
upcoming commits are going to split the introspection scanning for
`gio-2.0` and `gio-unix-2.0`, and the introspection scanner is a little
more picky about declarations not being spread all over the place.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #3037
The symbols still have to be exported from the library (since they’re
called from unit tests), but there was never any reason for them to be
in a public header.
This means they now disappear from `Gio-2.0.gir`.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #3231
This property is supposed to be used by authors of applications that use GAppliaction to output the version by --version flag or otherwise if a version is needed.
Closes#3198
Signed-off-by: Maxim Moskalets <Maxim.Moskalets@kaspersky.com>
This is another way to get the file system type from `statvfs()`, newly
added in glibc 2.39
(https://lwn.net/ml/libc-alpha/38790850.J2Yia2DhmK@pinacolada/).
This hasn’t been tested with glibc 2.39 as I don’t have it, but the
change seems fairly straightforward.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
It’s not suitable to use to check if your own code has already called
`g_task_return_*()`, as it doesn’t directly correlate to that.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
If we're writing the body to standard output, we cannot know what the
filename of the corresponding header is going to be, but it seems
vanishingly unlikely that it will be either `stdout.h` (which we would
traditionally have generated) or `-.h` (which we would have generated
since !3886).
This makes some of the output snippets sufficiently short that black(1)
requires that they are folded into a single line.
Signed-off-by: Simon McVittie <smcv@collabora.com>
In command-line tools, ordinary filenames normally do not have
special-cased meanings, so commit 3ef742eb "Don't skip dbus-codegen tests
on Win32" was a command-line API break: in the unlikely event that a
user wanted to write to a file named exactly `stdout`, this would have
been an incompatible change.
There is a conventional pseudo-filename to represent standard output,
which is `-` (for example `cat -` is a no-op filter). Adding support
for this is technically also a command-line API break (in the very
unlikely event that a user wants to write to a file named exactly `-`,
they would now have to write it as `./-`), but filenames starting with
a dash often require special treatment anyway, so this probably will not
come as a surprise to anyone.
When the output filename is `-` we don't want to use `#ifdef _____` as
a header guard, so special-case it as `__STDOUT__` as before.
Signed-off-by: Simon McVittie <smcv@collabora.com>
Memory was leaking when allocating it inside libelf and losing the pointer to it (it was an automatic variable) when returning NULL from the get_elf function in some cases
Closes#3242
Signed-off-by: Maxim Moskalets <Maxim.Moskalets@kaspersky.com>
This reverts commit fbdc9a2d03.
It was not submitted through a merge request and broke CI. Reverting it
immediately to unbreak CI and hence the rest of the development
pipeline. The changes can be re-submitted as a merge request so they’re
properly tested in CI before being merged.
See https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3857#note_1994336
The previous commit enabled the `/run/mount/utab` monitoring. The problem
is that the `mount-changed` signal can be emitted twice for one mount. One
for the `/proc/mounts` file change and another one for the `/run/media/utab`
file change. This is still not ideal because e.g. the `GMount` objects for
mounts with the `x-gvfs-hide` option are added and immediately removed.
Let's enable the `mnt_monitor_veil_kernel` option to avoid this.
Related: https://github.com/util-linux/util-linux/pull/2725
The `GUnixMountMonitor` object implements monitoring on its own currently.
Only the `/proc/mounts` file changes are monitored. It is not aware of the
`/run/mount/utab` file changes. This file contains the userspace mount
options (e.g. `x-gvfs-notrash`, `x-gvfs-hide`) among others. There is a
problem when `/sbin/mount.<type>` (e.g. `mount.nfs`) helper programs are
used. In that case, the `/run/mount/utab` file is updated later than the
`/proc/mounts` file and thus the `GUnixMountMonitor` clients (e.g.
`gvfs-udisks2-volume-monitor`, `gvfsd-trash`) don't see the userspace
options until the next `mount-changed` signal. Let's use the `libmnt_monitor`
API for monitoring instead and emit the `mount-changed` signal also when the
`/run/mount/utab` file is changed.
Related: https://issues.redhat.com/browse/RHEL-14607
Related: https://github.com/util-linux/util-linux/pull/2607
This fixes a race condition which frequently caused the
`memory-monitor-dbus.py` test to fail.
The registration of the `LowMemoryMonitor` object on the bus, and the
`GMemoryMonitorDBus`’s connection to the warning signal raced, such that
it was possible for the mock `LowMemoryMonitor` to emit a warning signal
before the `GMemoryMonitorDBus` proxy was listening, and hence the proxy
would never see the signal.
Fix this by explicitly synchronising the two before proceeding to the
tests.
Make the same changes in the `memory-monitor-portal.py` test too, even
though that one was not failing. This should remove the need for a 2s
wait on every test run.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Fixes: #2887
Otherwise the test can go on to wait for a signal from the service
before it’s actually finished starting up.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #2887
Rather than sleeping and blocking everything, use a timeout source on
the main context so that inputs can continue to be handled while waiting
for a timeout.
This introduces no functional changes to the test.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #2887
It should be doing already (or the tests would never work), but make it
clearer in the code that the same `GMainContext` is being iterated as is
being woken up in the rest of the test.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #2887
When linking static libraries, multiple resources is an error unless
handled in a special way. glib and gobject do not have this problem,
as they already only include resources when building a shared lib.
I ran Bustle/dbus-monitor on the session bus while running the full GLib
test suite, and noticed that these tests were causing `Launched` signal
emissions on the main session bus. That suggested they weren’t isolated
properly, which at best causes noise on the bus and at worst could cause
spurious test failures.
Fix that by running those tests in a `GTestDBus` environment, as some of
the other appinfo tests already are.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
As seen in [CI](https://gitlab.gnome.org/GNOME/glib/-/jobs/3436216):
```
==13767== 144 (40 direct, 104 indirect) bytes in 1 blocks are definitely lost in loss record 528 of 562
==13767== at 0x4A18B2C: g_type_create_instance (gtype.c:1928)
==13767== by 0x49F92FF: g_object_new_internal (gobject.c:2235)
==13767== by 0x49FA247: g_object_new_valist (gobject.c:2574)
==13767== by 0x49F8D81: g_object_new (gobject.c:2047)
==13767== by 0x4AE2337: g_inet_socket_address_new (ginetsocketaddress.c:387)
==13767== by 0x4B1DB94: g_socket_address_new_from_native (gsocketaddress.c:230)
==13767== by 0x4B16CC2: g_socket_get_local_address (gsocket.c:2071)
==13767== by 0x40E102: test_receive_bytes_from (socket.c:2469)
==13767== by 0x4901E78: test_case_run (gtestutils.c:2974)
==13767== by 0x49022B2: g_test_run_suite_internal (gtestutils.c:3069)
==13767== by 0x490241A: g_test_run_suite_internal (gtestutils.c:3088)
==13767== by 0x4902690: g_test_run_suite (gtestutils.c:3168)
==13767== by 0x4900C8F: g_test_run (gtestutils.c:2275)
==13767== by 0x40EE8A: main (socket.c:2614)
```
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #3220
There are several reasons why we might not be able to do the test setup
for --external-data: non-Linux platform, missing ld or objcopy,
objcopy doesn't support --add-symbol, or the CPU family is MIPS
(on which cc -r does not necessarily emit the specific MIPS ABI flavour
that we are targeting, for example different functionality levels or
different NaN encodings).
If we can't link in the test data, then obviously this test is not going
to pass. It was already skipped on non-Linux, but not on platforms that
hit one of the other reasons for the test setup to fail.
In particular, this test failed on Debian mips64el since commit 81059169,
which stopped linking the necessary resource on MIPS platforms, but
continued to assert that the resource is present at runtime.
Fixes: 81059169 "GIO/tests: skip test_resources_binary on MIPS platform"
Resolves: https://gitlab.gnome.org/GNOME/glib/-/issues/3226
Signed-off-by: Simon McVittie <smcv@debian.org>
The title of an interface can be arbitrarily long, considering that
reverse DNS namespaces can be pretty complex. Instead of using the whole
interface name, we can use the name without the prefix.
Generating gir and typelib files has inter-dependencies that may depend
on other elements.
For example, glib requires gobject and gdump generated files require
gmodule, so we've a cyclic dependency because gmodule requires gobject,
that requires glib.
To prevent this, let's just generate the introspection files at once in
a different meson file so that we don't have to deal with this.
As per this we could even revert commit fa37ab6d0 since gio is now
compiled before the gir files.
The code for stripping the query and fragment from file:// URIs was
wrong, as it would not properly strip a query if there was a fragment.
Fortunately, that code was actually useless, as the "stripped URI" was
passed to g_filename_from_uri() that does proper stripping itself.
So simply drop this extra unnecessary stripping logic from GLocalVFS's
get_file_for_uri() and let g_filename_from_uri() do all the work.
The same struct was reused across multiple tests, but without a shared
way of freeing its members. Refactor to add one.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
The current buffer API is pretty much C-specific, and cannot be
adequately described in a way that is friendly to introspection and
language bindings: the passed buffer is allocated by the caller, but the
written size of the buffer is in the return value.
Using GBytes, we get a better API at the cost of an additional
allocation.
This is just the result of running `black $(git ls-files '*.py')`.
For some reason, the `sh-and-py-check` CI job didn’t run on merge
request !3751, so this non-standard formatting slipped through onto
`main`.
See https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3754#note_1939914
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
It can cause failures for shared connection objects.
What can currently happen is this:
1. A user starts to asynchronously create a proxy object
2. A user starts to asynchronously create another proxy object
At this point, the asynchronous initialization for the two proxy objects
share the not yet initialized connection object.
3. While the shared connection objected is created, the user cancels the
creation with the supplied cancellable from the fist proxy object.
4. initable_init caches the canceled error and marks the connection as
initialized.
5. The initialization of the second proxy object fails with the same
canceled error.
To avoid this, clear the error in this case and destroy any member
variables that may have been created before the creation was canceled.
This way, the initialization of the second proxy object will restart the
connection initialization and with probably succeed.
Signed-off-by: Michael Olbrich <m.olbrich@pengutronix.de>
See the previous commit. These additions were kept in a separate commit
to make the changes to the existing tests in the previous commit
clearer.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #3093
Previously, the code only validated the types of *required* message
headers, and did not validate optional ones.
Now, the headers are validated in one step, and a subsequent step checks
whether the required ones are present.
The existing tests have been updated to match the new error message
wording. More tests will be added to test the new behaviour in a
subsequent commit.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Fixes: #3093
Before checking the properties of `*_proxy`, assert that there were no
errors in constructing the proxy first. Otherwise the property checks
will crash on `NULL` pointer dereferences.
The test is still intermittently buggy somewhere, but at least this
commit will cause a relevant error message to be printed on failure.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Just for debugging purposes, track whether the Connection Attempt Delay
(https://datatracker.ietf.org/doc/html/rfc8305#section-8) has been
reached for each attempt.
This makes it a bit easier to diagnose `GSocketClient` problems in a
debugger.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
This makes it match the terminology from RFC 8305 better, which refers
to a ‘connection attempt delay’. This is a delay because it determines
the spacing between trying additional connection attempts. It’s not a
timeout because it shouldn’t cause cancellation of any ongoing
connection attempts.
This commit introduces no functional changes.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
`TCP_NODELAY` disables Nagle’s algorithm, which is generally a better
default for modern networks than having it enabled. Nagle’s algorithm
delays sending small data blobs until they fill an entire TCP segment,
so as to amortise the cost of sending the segment.
This improves bandwidth at the cost of latency. Given the large
bandwidth capabilities of most modern networks, most streams are
constrained by latency rather than bandwidth, so disabling Nagle’s
algorithm makes sense.
Various other major bits of software (such as libcurl) already disable
Nagle’s algorithm by default.
Specific applications which need it can turn it back on by calling
`g_socket_set_option()`.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Fixes: #791
As spotted by Michael Catanzaro in
https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3394#note_1730123,
on the code path where a `ConnectionAttempt` is cancelled, it will
currently be removed from the `connection_attempts` list by the
cancellation code, and then *again* by the `if
(task_completed_or_cancelled ())` code in
`g_socket_client_connected_callback()`.
That would previously have resulted in a double-unref of the
`ConnectionAttempt`. So change `connection_attempt_remove()` to be a
no-op if the attempt isn’t found in `connection_attempts`.
Signed-off-by: Philip Withnall <pwithnall@endlessos.org>
These make it a bit easier to track the ongoing tasks, as the tasks
and/or their closures are not tracked in a big list somewhere.
Signed-off-by: Philip Withnall <pwithnall@endlessos.org>
These calls are where the `GSocketClient` Happy Eyeballs code relies on
other components within GLib (and glib-networking) to complete
asynchronous operations in a timely manner. `GSocketClient` doesn’t add
its own timeouts to monitor these async operations, so if the
implementations are buggy then a `GSocketClient` operation could stall
forever.
Make that a bit clearer.
Signed-off-by: Philip Withnall <pwithnall@endlessos.org>
This introduces no functional changes, but makes it a little clearer
what the variable signifies, and provides a little more information when
debugging things.
Signed-off-by: Philip Withnall <pwithnall@endlessos.org>
`P_()` is for pspec strings — it gave us the option to split them out to
a separate translation domain. `_()` is for normal strings.
Spotted by Sophie Herold: https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3411#note_1733329
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Nicks and blurbs don't have any practical use for gio/gobject libraries.
Leaving tests untouched since this features is still used by other libraries.
Closes#2991
Previously these properties would have been documented using the strings
from the pspec, but those will be removed in the following commit. Re-add
the documentation using those strings, but as gi-docgen documentation
comments.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #2991
In an attempt to make gobject-introspection stop warning about using
deprecated gtk-doc `Type:` tags.
It doesn’t work — the gobject-introspection parser is not clever enough
to notice the tag is inside a code block.
Still, a useful port.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #3037
GDBus has always supported matching strings with arg0 matching
(`G_DBUS_SIGNAL_FLAGS_MATCH_ARG0_PATH`). In D-Bus 1.5, support was added
to the spec for also matching object paths. This got forgotten about and
was never added to GDBus, meaning that
`G_DBUS_SIGNAL_FLAGS_MATCH_ARG0_PATH` won’t match against a signal arg0
of type `o`.
Fix that, and add a unit test.
To do so, we need to add a new `g_dbus_message_get_arg0_path()` API to
complement the existing `g_dbus_message_get_arg0()` API. The approach of
letting `g_dbus_message_get_arg0()` return an object-path *or* a string
would not work, as it’s also called in the implementation of
`G_DBUS_SIGNAL_FLAGS_MATCH_ARG0_NAMESPACE`, which must only match
string-typed arg0 values and not object-path-typed ones.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Fixes: #3183
Technically we can’t rely on it being kept alive by the `message->body`
pointer, unless we can guarantee that the `GVariant` is always
serialised. That’s not necessarily the case, so keep a separate ref on
the arg0 value at all times.
This avoids a potential use-after-free.
Spotted by Thomas Haller in
https://gitlab.gnome.org/GNOME/glib/-/merge_requests/3720#note_1924707.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #3183
It was previously 4KiB, but this isn’t enough for sniffing the
content-type of some GPT disk images (they use 4KiB sectors, and the
magic bytes are in the second sector). A buffer of 8KiB would work,
but 16KiB seems harmless and more future proof.
Most of the time, the buffer size should be set by xdgmime anyway, based
on the largest sniff buffer its database needs. Currently (with
shared-mime-info master) that’s 18730 bytes, so even with a 16KiB buffer
we’re going to potentially mis-identify a few file types.
Tested manually by modifying the example GPT image from shared-mime-info
(https://gitlab.freedesktop.org/xdg/shared-mime-info/-/blob/master/tests/mime-detection/disk.gpt)
to remove the magic at offset 0x200 and add it instead at offset 0x1000,
then running:
```
cp shared-mime-info.git/tests/mime-detection/disk.gpt ./disk-without-extension
gio info -a standard::content-type ./disk-without-extension
```
It should print `application/vnd.efi.img` rather than
`application/octet-stream`.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Fixes: #3186
This fixes a stack overflow reported by a user who had both the
definition of text/javascript from shared-mime-info 2.3 and the
definition of text/javascript from shared-mime-info 2.4 installed at the
same time. In 2.3, text/javascript is a subtype of
application/ecmascript, but in 2.4 application/ecmascript is a subtype
of text/javascript. Having both at the same time resulted in circular
inheritance.
The new logic keeps a list of all parents that have already been
checked, which is more comprehensive than the old workaround that was
implemented in commit 38869ece2 ("xdgmime: Prevent infinite loops from
badly-formed MIME registrations").
https://bugs.archlinux.org/task/80279
This fixes a load of warnings about ‘multiple comment blocks documenting
<something> identifier’.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #3037
Move it to a separate page, since it doesn’t quite make sense to
incorporate into the `GDBusConnection` docs.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #3037
Move it to a separate page, as there isn’t a `GIOScheduler` struct.
Ensure that all its functions/methods/types are correctly marked as
deprecated. Fix a few broken links about I/O priority which pointed to
it.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #3037
Move it to a separate content page as there is no `GDBusIntrospection`
type to hang the rest of the documentation off.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #3037
Adding it all to the docs for the `GDBusError` enum seemed a bit much,
so I moved it to its own content page.
Signed-off-by: Philip Withnall <pwithnall@gnome.org>
Helps: #3037
The `g_content_type_guess_for_tree` function segfaults currently when
processing filenames that are not valid unicode strings. Let's use the
`g_filename_to_utf8` and `g_utf8_make_valid` functions before other
processing to prevent that.
Let's also add a test for it to avoid this in future.
Fixes: https://gitlab.gnome.org/GNOME/glib/-/issues/3168
g_option_context_parse()/g_application_run()/g_test_init() for
convenience also call g_set_prgname(), when the prgname is unset at this
point. This was racy.
Fix the race by using an atomic compare-and-exchange and only reset the
value, if it is unset still.
When `--attributes` is specified and doesn’t include `standard::name` in
its list, `gio` would print a critical warning from the (mandatory) call
to `g_file_info_get_name()`.
Fix that by making the call to `g_file_info_get_name()` optional.
Add a unit test too.
Signed-off-by: Philip Withnall <philip@tecnocode.co.uk>
Fixes: #3158
It gives nowhere near full coverage, but it’s something we can build on
in future.
Signed-off-by: Philip Withnall <philip@tecnocode.co.uk>
Helps: #3158
Helps: #2950
Modify all the similar Python test wrappers to set
`G_DEBUG=fatal-warnings` in the environment of the program being tested,
so we can catch unexpected warnings/criticals.
Adding this because I noticed it was missing, not because I noticed a
warning/critical was being ignored.
Signed-off-by: Philip Withnall <philip@tecnocode.co.uk>
If the help output is explicitly requested by the user, it’s
conventional for it to be printed to stdout rather than stderr.
Signed-off-by: Philip Withnall <philip@tecnocode.co.uk>
Store their details in an array which can be iterated over instead.
This introduces no functional changes, just a cleanup which will allow
following commits to be neater.
Signed-off-by: Philip Withnall <philip@tecnocode.co.uk>
If she socket is dispatched at exactly the previously set ready time,
it should already be considered to have timed out. This can easily
happen in practice when using a low resolution timer.
This fixes a test failure on GNU/Hurd, see
https://gitlab.gnome.org/GNOME/glib/-/issues/3148
Signed-off-by: Sergey Bugaev <bugaevc@gmail.com>
The test only needs a unidirectional channel, and a pipe is sufficient
for that.
This may simplify things when running the test on Hurd; see
https://gitlab.gnome.org/GNOME/glib/-/issues/3148#note_1874198.
Additionally, set `O_NONBLOCK` on the pipe since the test seems to
expect that partial writes will succeed and that writes to a full buffer
will fail rather than block.
Signed-off-by: Philip Withnall <philip@tecnocode.co.uk>
Helps: #3148
Various parts of the build (such as `objectmanager-rst-gen`) depend on
running `gdbus-codegen` after it’s been built, but they currently only
encode a dependency to the main codegen Python file and not the
supporting files. This can cause `gdbus-codegen` to fail with an
`ImportError` if the build races so that `objectmanager-rst-gen` is
built before the codegen supporting files.
Example failure here: https://gitlab.gnome.org/pwithnall/glib/-/jobs/3266471
```
FAILED: gio/tests/gdbus-object-manager-example/objectmanager-rst-gen-org.gtk.GDBus.Example.ObjectManager.Animal.rst gio/tests/gdbus-object-manager-example/objectmanager-rst-gen-org.gtk.GDBus.Example.ObjectManager.Cat.rst
/usr/bin/python3 gio/gdbus-2.0/codegen/gdbus-codegen --interface-prefix org.gtk.GDBus.Example.ObjectManager. --generate-rst objectmanager-rst-gen --output-directory gio/tests/gdbus-object-manager-example ../gio/tests/gdbus-object-manager-example/gdbus-example-objectmanager.xml
Traceback (most recent call last):
File "/builds/pwithnall/glib/_build/gio/gdbus-2.0/codegen/gdbus-codegen", line 53, in <module>
from codegen import codegen_main
File "/builds/pwithnall/glib/_build/gio/gdbus-2.0/codegen/codegen_main.py", line 29, in <module>
from . import dbustypes
File "/builds/pwithnall/glib/_build/gio/gdbus-2.0/codegen/dbustypes.py", line 22, in <module>
from . import utils
ImportError: cannot import name 'utils' from 'codegen' (/builds/pwithnall/glib/_build/gio/gdbus-2.0/codegen/__init__.py)
```
Signed-off-by: Philip Withnall <philip@tecnocode.co.uk>
All the calls to `usage()` are immediately followed by a `return` from
`main()` which sets an appropriate exit status.
Calling `exit()` early means that running `gio --help` returns exit
status 1, which is incorrect — it should (by convention) return 0.
Signed-off-by: Philip Withnall <philip@tecnocode.co.uk>
Depending on the operating system, /bin/sh might either be bash (for
example on Fedora or Arch) or dash (for example on Debian or Ubuntu)
or some other POSIX shell.
When bash is asked to run a simple command with no shell keywords or
metacharacters, like this one, it replaces itself with the program
via execve(), but dash does not have that optimization and treats it
like any other program invocation in a larger script: it will fork,
exec the program in the child, and wait for the child in the parent.
This seems like it conflicts with sleep_and_kill() assuming that it can
use the subprocess's process ID as the sleep(1) process ID. Specifically,
if it sends SIGKILL, it will go to the sh(1) process and not the sleep(1)
child, which could result in the sh(1) process being terminated and
its sleep(1) child being leaked.
To get the bash-like behaviour portably, explicitly use the exec builtin
to instruct the shell to replace itself with sleep(1), so that the
process ID previously used for the shell becomes the process ID of the
sleep process.
This appears to resolve an intermittent hang and test timeout on Debian
machines (especially slower ones), although I'm not 100% clear on the
mechanics of how it happens.
Resolves: https://gitlab.gnome.org/GNOME/glib/-/issues/3157
Signed-off-by: Simon McVittie <smcv@collabora.com>
`test-generated.txt` is listed in `test.gresource.xml`, so it needs to
be specified as a dependency in the `custom_target()` which uses
`test.gresource.xml`.
Fixes intermittent build failures like:
```
FAILED: gio/tests/test.gresource
/builds/GNOME/glib/_build/gio/glib-compile-resources --compiler=gcc --target=gio/tests/test.gresource --sourcedir=/builds/GNOME/glib/gio/tests --sourcedir=/builds/GNOME/glib/_build/gio/tests --internal ../gio/tests/test.gresource.xml
../gio/tests/test.gresource.xml: Failed to locate test-generated.txt in any source directory.
```
See !3671 and #3163.
Signed-off-by: Philip Withnall <philip@tecnocode.co.uk>
This reverts commit 0b9900e4e7.
The dependency was added in the wrong place: `test-generated.txt` is
needed when compiling `test.gresource`, not when compiling the test
which ultimately uses that gresource.
See !3671 and #3163.
The PTRACE_O_EXITKILL symbol in sys/ptrace.h is an enum member, not
a macro. The #ifdef check added to the GSubprocess test-case in
272ec5dbca will not detect it.
Use cc.has_header_symbol() to properly detect it. According to the
documentation: "Symbols here include function, variable, #define,
type definition, etc.".
Fixes: 272ec5dbca
Closes: https://gitlab.gnome.org/GNOME/glib/-/issues/3156
