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contain filenames
This continues the changes done in https://bugzilla.gnome.org/show_bug.cgi?id=767245
This makes it possible to pass Python path types as process arguments and env vars
in PyGObject and and makes it clear that the values are not strictly utf-8 and need
to be validated/converted first.
https://bugzilla.gnome.org/show_bug.cgi?id=788863
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It's not likely that the runtime of a bound language using the
introspection supports running in a process forked by a foreign
library, so that a closure programmed in that language would work
safely.
Any programming environment supporting that would probably have
its own advanced facilities for process spawning, or be able
to access the GLib spawning APIs via raw C bindings (still
represented in the introspection, (skip) only adds a flag)
and do any low-level preparatory dances as necessary for the
forked runtime.
Note that there are other APIs making use of GSpawnChildSetupFunc,
but they are usable with the closure nullified, and we cannot annotate
the closure parameters away because that would break the annotated API
for bindings; accordingly to bug #738176 comment #3, the current bindings'
users are expected to pass null.
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https://bugzilla.gnome.org/show_bug.cgi?id=753521
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Previously, this was done at the time of spawning the subprocess, which
meant the g_subprocess_launcher_*_environ() functions could not be used
to modify the parent process’ environment.
Change the code to copy the parent process’ environment when
g_subprocess_launcher_set_environ(NULL) is called. Document the change
and add a unit test.
https://bugzilla.gnome.org/show_bug.cgi?id=778422
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Sub-directories inside gio/ already processed in a previous commit:
- fam/
- gdbus-2.0/ (which contains only codegen/)
- gvdb/
- inotify/
- tests/
- win32/
- xdgmime/
Other sub-directories inside gio/:
- completion/: no license headers
- kqueue/: not LGPL, BSD-style license
https://bugzilla.gnome.org/show_bug.cgi?id=776504
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It's unnecessary, and only adds visual noise; we have been fairly
inconsistent in the past, but the semi-colon-less version clearly
dominates in the code base.
https://bugzilla.gnome.org/show_bug.cgi?id=669355
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GNOME Builder's code was assuming that setting the launcher's
environ to NULL makes the subprocess have an empty environment, but in
fact the parent process's variables are still inherited because execv is
used instead of execve when envp is NULL. This commit clarifies the
documentation to make the behavior clear.
https://bugzilla.gnome.org/show_bug.cgi?id=778422
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When performing the verify and building the error string there were two
possibilities of an infinite loop. The first is the missing twos-complement
to unset the bit in the filtered flags. The second is the lack of handling
G_SUBPROCESS_FLAGS_NONE which can return a valid GFlagsValue (and cannot
unset the bit since the value is zero).
This walks all known values in the GSubprocessFlags type class and check
if they are set. This has the benefit that we don't call needless functions
which walk the same table as well as avoiding mutating values to build
the error string.
https://bugzilla.gnome.org/show_bug.cgi?id=775913
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Revert all annotation changes for environment variables and command line
arguments.
See commit f8189ddf9869ed8e90f9b640d9545fe4011adb7d.
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https://bugzilla.gnome.org/show_bug.cgi?id=767245
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Removed all mentions of GLib file name encoding referring to
the environment strings. The env var content has no defined relation
to GLib's notion of filename encoding, or any encoding whatsoever.
It would be wrong to pass all UTF-8 strings through
g_filename_from_utf8() in order to put them into the environment,
for one thing.
https://bugzilla.gnome.org/show_bug.cgi?id=738185
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- g_subprocess_launcher_spawn() and spawnv(): there is no other way
AFAIK to create a GSubprocess from a launcher. So these
functions are not "convenience helper".
- annotate optional arguments for g_shell_parse_argv().
- other trivial fix
https://bugzilla.gnome.org/show_bug.cgi?id=732357
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Coverity issues: #1214070, #1214069
https://bugzilla.gnome.org/show_bug.cgi?id=730278
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Use g_get_environ() to get the environment variables with their values
instead of g_listenv() which only lists off the keys.
https://bugzilla.gnome.org/show_bug.cgi?id=725651
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The latter may come from system headers.
https://bugzilla.gnome.org/show_bug.cgi?id=721059
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Needs to be an array.
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This function turns a varargs argument list into a string array,
but forgets to NULL-terminate it. This function was not covered
by unit tests...so it was broken.
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Note: we go out of our way not to pass a child setup function on win32
(even if it does nothing) because we get a g_warning() from gspawn if we
do so.
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The GSubprocessLauncher docs had their own long description,
but were not properly set up as their own section.
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We weren't closing the streams after we were done reading or writing,
which is kind of essential. The easy way to fix this is to just use
g_output_stream_splice() to a GMemoryOutputStream rather than
hand-rolling it. This results in a substantial reduction of code
complexity.
A second serious issue is that we were marking the task as complete when
the process exits, but that's racy - there could still be data to read
from stdout. Fix this by just refcounting outstanding operations.
This code, not surprisingly, looks a lot like the "multi" test.
Next, because processes output binary data, I'd be forced to annotate
the char*/length pairs as (array) (element-type uint8). But rather than
doing that, it's *far* simpler to just use GBytes.
We need a version of this that actually validates as UTF-8, that will be
in the next patch.
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There are a number of nice things this class brings:
0) Has a race-free termination API on all platforms (on UNIX, calls to
kill() and waitpid() are coordinated as not to cause problems).
1) Operates in terms of G{Input,Output}Stream, not file descriptors
2) Standard GIO-style async API for wait() with cancellation
3) Makes some simple cases easy, like synchronously spawning a
process with an argument list
4) Makes hard cases possible, like asynchronously running a process
with stdout/stderr merged, output directly to a file path
Much rewriting and code review from Ryan Lortie <desrt@desrt.ca>
https://bugzilla.gnome.org/show_bug.cgi?id=672102
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