From patchwork Wed Nov 14 12:36:04 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Patchwork-Id: 10682421 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 239FD139B for ; Wed, 14 Nov 2018 12:41:08 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 163F32AF0B for ; Wed, 14 Nov 2018 12:41:08 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 0A5052AF57; Wed, 14 Nov 2018 12:41:08 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id AE9CB2AF0B for ; 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Wed, 14 Nov 2018 12:37:20 +0000 (UTC) Received: from localhost (ovpn-112-55.ams2.redhat.com [10.36.112.55]) by smtp.corp.redhat.com (Postfix) with ESMTP id B5F585C21A; Wed, 14 Nov 2018 12:37:13 +0000 (UTC) From: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= To: qemu-devel@nongnu.org Date: Wed, 14 Nov 2018 16:36:04 +0400 Message-Id: <20181114123643.24091-3-marcandre.lureau@redhat.com> In-Reply-To: <20181114123643.24091-1-marcandre.lureau@redhat.com> References: <20181114123643.24091-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.16 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.26]); Wed, 14 Nov 2018 12:37:20 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH for-3.2 02/41] glib-compat: add g_spawn_async_with_fds() fallback X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: samuel.thibault@ens-lyon.org, =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , rjones@redhat.com, stefanha@redhat.com, renzo@cs.unibo.it Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Marc-André Lureau Reviewed-by: Samuel Thibault --- include/glib-compat.h | 56 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 56 insertions(+) diff --git a/include/glib-compat.h b/include/glib-compat.h index fdf95a255d..8a078c5288 100644 --- a/include/glib-compat.h +++ b/include/glib-compat.h @@ -83,6 +83,62 @@ static inline gboolean g_strv_contains_qemu(const gchar *const *strv, } #define g_strv_contains(a, b) g_strv_contains_qemu(a, b) +#if !GLIB_CHECK_VERSION(2, 58, 0) +typedef struct QemuGSpawnFds { + GSpawnChildSetupFunc child_setup; + gpointer user_data; + gint stdin_fd; + gint stdout_fd; + gint stderr_fd; +} QemuGSpawnFds; + +static inline void +qemu_gspawn_fds_setup(gpointer user_data) +{ + QemuGSpawnFds *q = (QemuGSpawnFds *)user_data; + + dup2(q->stdin_fd, 0); + dup2(q->stdout_fd, 1); + dup2(q->stderr_fd, 2); + q->child_setup(q->user_data); +} +#endif + +static inline gboolean +g_spawn_async_with_fds_qemu(const gchar *working_directory, + gchar **argv, + gchar **envp, + GSpawnFlags flags, + GSpawnChildSetupFunc child_setup, + gpointer user_data, + GPid *child_pid, + gint stdin_fd, + gint stdout_fd, + gint stderr_fd, + GError **error) +{ +#if GLIB_CHECK_VERSION(2, 58, 0) + return g_spawn_async_with_fds(working_directory, argv, envp, flags, + child_setup, user_data, + child_pid, stdin_fd, stdout_fd, stderr_fd, + error); +#else + QemuGSpawnFds setup = { + .child_setup = child_setup, + .user_data = user_data, + .stdin_fd = stdin_fd, + .stdout_fd = stdout_fd, + .stderr_fd = stderr_fd, + }; + + return g_spawn_async(working_directory, argv, envp, flags, + qemu_gspawn_fds_setup, &setup, + child_pid, error); +#endif +} + +#define g_spawn_async_with_fds(wd, argv, env, f, c, d, p, ifd, ofd, efd, err) \ + g_spawn_async_with_fds_qemu(wd, argv, env, f, c, d, p, ifd, ofd, efd, err) #if defined(_WIN32) && !GLIB_CHECK_VERSION(2, 50, 0) /*