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0e1a3ee345
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.
119 lines
6.3 KiB
C
119 lines
6.3 KiB
C
/* GIO - GLib Input, Output and Streaming Library
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*
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* Copyright © 2012,2013 Colin Walters <walters@verbum.org>
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* Copyright © 2012,2013 Canonical Limited
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General
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* Public License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place, Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Author: Ryan Lortie <desrt@desrt.ca>
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* Author: Colin Walters <walters@verbum.org>
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*/
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#if !defined (__GIO_GIO_H_INSIDE__) && !defined (GIO_COMPILATION)
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#error "Only <gio/gio.h> can be included directly."
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#endif
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#ifndef __G_SUBPROCESS_LAUNCHER_H__
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#define __G_SUBPROCESS_LAUNCHER_H__
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#include <gio/giotypes.h>
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G_BEGIN_DECLS
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#define G_TYPE_SUBPROCESS_LAUNCHER (g_subprocess_launcher_get_type ())
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#define G_SUBPROCESS_LAUNCHER(o) (G_TYPE_CHECK_INSTANCE_CAST ((o), G_TYPE_SUBPROCESS_LAUNCHER, GSubprocessLauncher))
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#define G_IS_SUBPROCESS_LAUNCHER(o) (G_TYPE_CHECK_INSTANCE_TYPE ((o), G_TYPE_SUBPROCESS_LAUNCHER))
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GLIB_AVAILABLE_IN_2_40
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GType g_subprocess_launcher_get_type (void) G_GNUC_CONST;
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GLIB_AVAILABLE_IN_2_40
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GSubprocessLauncher * g_subprocess_launcher_new (GSubprocessFlags flags);
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GLIB_AVAILABLE_IN_2_40
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GSubprocess * g_subprocess_launcher_spawn (GSubprocessLauncher *self,
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GError **error,
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const gchar *argv0,
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...);
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GLIB_AVAILABLE_IN_2_40
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GSubprocess * g_subprocess_launcher_spawnv (GSubprocessLauncher *self,
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const gchar * const *argv,
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GError **error);
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GLIB_AVAILABLE_IN_2_40
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void g_subprocess_launcher_set_environ (GSubprocessLauncher *self,
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gchar **environ);
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GLIB_AVAILABLE_IN_2_40
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void g_subprocess_launcher_setenv (GSubprocessLauncher *self,
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const gchar *variable,
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const gchar *value,
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gboolean overwrite);
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GLIB_AVAILABLE_IN_2_40
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void g_subprocess_launcher_unsetenv (GSubprocessLauncher *self,
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const gchar *variable);
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GLIB_AVAILABLE_IN_2_40
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const gchar * g_subprocess_launcher_getenv (GSubprocessLauncher *self,
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const gchar *variable);
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GLIB_AVAILABLE_IN_2_40
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void g_subprocess_launcher_set_cwd (GSubprocessLauncher *self,
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const gchar *cwd);
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GLIB_AVAILABLE_IN_2_40
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void g_subprocess_launcher_set_flags (GSubprocessLauncher *self,
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GSubprocessFlags flags);
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/* Extended I/O control, only available on UNIX */
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#ifdef G_OS_UNIX
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GLIB_AVAILABLE_IN_2_40
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void g_subprocess_launcher_set_stdin_file_path (GSubprocessLauncher *self,
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const gchar *path);
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GLIB_AVAILABLE_IN_2_40
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void g_subprocess_launcher_take_stdin_fd (GSubprocessLauncher *self,
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gint fd);
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GLIB_AVAILABLE_IN_2_40
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void g_subprocess_launcher_set_stdout_file_path (GSubprocessLauncher *self,
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const gchar *path);
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GLIB_AVAILABLE_IN_2_40
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void g_subprocess_launcher_take_stdout_fd (GSubprocessLauncher *self,
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gint fd);
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GLIB_AVAILABLE_IN_2_40
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void g_subprocess_launcher_set_stderr_file_path (GSubprocessLauncher *self,
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const gchar *path);
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GLIB_AVAILABLE_IN_2_40
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void g_subprocess_launcher_take_stderr_fd (GSubprocessLauncher *self,
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gint fd);
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GLIB_AVAILABLE_IN_2_40
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void g_subprocess_launcher_take_fd (GSubprocessLauncher *self,
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gint source_fd,
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gint target_fd);
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/* Child setup, only available on UNIX */
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GLIB_AVAILABLE_IN_2_40
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void g_subprocess_launcher_set_child_setup (GSubprocessLauncher *self,
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GSpawnChildSetupFunc child_setup,
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gpointer user_data,
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GDestroyNotify destroy_notify);
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#endif
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G_END_DECLS
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#endif /* __G_SUBPROCESS_H__ */
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