From patchwork Thu Jan 25 13:18:32 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andreas Schwab X-Patchwork-Id: 10183987 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 04DAE601D5 for ; Thu, 25 Jan 2018 13:20:22 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id E2FB028846 for ; Thu, 25 Jan 2018 13:20:21 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id D4AB0288BD; Thu, 25 Jan 2018 13:20:21 +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=-6.9 required=2.0 tests=BAYES_00,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 B65BF28846 for ; Thu, 25 Jan 2018 13:20:09 +0000 (UTC) Received: from localhost ([::1]:40123 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eehRo-0004bl-VP for patchwork-qemu-devel@patchwork.kernel.org; Thu, 25 Jan 2018 08:20:08 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:55060) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eehQQ-0003eL-PF for qemu-devel@nongnu.org; Thu, 25 Jan 2018 08:18:44 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eehQK-0008NS-IP for qemu-devel@nongnu.org; Thu, 25 Jan 2018 08:18:41 -0500 Received: from mx2.suse.de ([195.135.220.15]:57611) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1eehQK-0008M1-86 for qemu-devel@nongnu.org; Thu, 25 Jan 2018 08:18:36 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 22FD9AD9F for ; Thu, 25 Jan 2018 13:18:33 +0000 (UTC) From: Andreas Schwab To: qemu-devel@nongnu.org References: X-Yow: I'm receiving a coded message from EUBIE BLAKE!! Date: Thu, 25 Jan 2018 14:18:32 +0100 In-Reply-To: (Andreas Schwab's message of "Wed, 24 Jan 2018 12:21:26 +0100") Message-ID: User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.0.91 (gnu/linux) MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x (no timestamps) [generic] [fuzzy] X-Received-From: 195.135.220.15 Subject: [Qemu-devel] [PATCH v2] linux-user: Implement ioctl cmd TIOCGPTPEER 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: , Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP With glibc 2.27 the openpty function will prefer the TIOCGPTPEER ioctl. Signed-off-by: Andreas Schwab Reviewed-by: Laurent Vivier --- v2: handle host with old kernel headers --- linux-user/aarch64/termbits.h | 2 ++ linux-user/alpha/termbits.h | 1 + linux-user/arm/termbits.h | 1 + linux-user/cris/termbits.h | 1 + linux-user/hppa/termbits.h | 2 ++ linux-user/i386/termbits.h | 1 + linux-user/ioctls.h | 3 +++ linux-user/m68k/termbits.h | 1 + linux-user/microblaze/termbits.h | 1 + linux-user/mips/termbits.h | 1 + linux-user/nios2/termbits.h | 2 ++ linux-user/openrisc/termbits.h | 2 ++ linux-user/ppc/termbits.h | 1 + linux-user/s390x/termbits.h | 1 + linux-user/sh4/termbits.h | 1 + linux-user/sparc/termbits.h | 1 + linux-user/sparc64/termbits.h | 1 + linux-user/syscall.c | 9 +++++++++ linux-user/tilegx/termbits.h | 1 + linux-user/x86_64/termbits.h | 1 + 20 files changed, 34 insertions(+) diff --git a/linux-user/aarch64/termbits.h b/linux-user/aarch64/termbits.h index b64ba974cf..f9f80f0f37 100644 --- a/linux-user/aarch64/termbits.h +++ b/linux-user/aarch64/termbits.h @@ -187,6 +187,8 @@ struct target_termios { /* Get Pty Number (of pty-mux device) */ #define TARGET_TIOCSPTLCK TARGET_IOW('T', 0x31, int) /* Lock/unlock Pty */ +#define TARGET_TIOCGPTPEER TARGET_IO('T', 0x41) + /* Safely open the slave */ #define TARGET_FIONCLEX 0x5450 /* these numbers need to be adjusted. */ #define TARGET_FIOCLEX 0x5451 diff --git a/linux-user/alpha/termbits.h b/linux-user/alpha/termbits.h index 6406b6a799..139bc87fa6 100644 --- a/linux-user/alpha/termbits.h +++ b/linux-user/alpha/termbits.h @@ -245,6 +245,7 @@ struct target_termios { #define TARGET_TIOCGSID 0x5429 /* Return the session ID of FD */ #define TARGET_TIOCGPTN TARGET_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ #define TARGET_TIOCSPTLCK TARGET_IOW('T',0x31, int) /* Lock/unlock Pty */ +#define TARGET_TIOCGPTPEER TARGET_IO('T', 0x41) /* Safely open the slave */ #define TARGET_TIOCSERCONFIG 0x5453 #define TARGET_TIOCSERGWILD 0x5454 diff --git a/linux-user/arm/termbits.h b/linux-user/arm/termbits.h index 7772df175c..a61e138ec4 100644 --- a/linux-user/arm/termbits.h +++ b/linux-user/arm/termbits.h @@ -185,6 +185,7 @@ struct target_termios { #define TARGET_TIOCGSID 0x5429 /* Return the session ID of FD */ #define TARGET_TIOCGPTN TARGET_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ #define TARGET_TIOCSPTLCK TARGET_IOW('T',0x31, int) /* Lock/unlock Pty */ +#define TARGET_TIOCGPTPEER TARGET_IO('T', 0x41) /* Safely open the slave */ #define TARGET_FIONCLEX 0x5450 /* these numbers need to be adjusted. */ #define TARGET_FIOCLEX 0x5451 diff --git a/linux-user/cris/termbits.h b/linux-user/cris/termbits.h index fc82ca084e..c825cd2f5e 100644 --- a/linux-user/cris/termbits.h +++ b/linux-user/cris/termbits.h @@ -182,6 +182,7 @@ struct target_termios { #define TARGET_TIOCGSID 0x5429 /* Return the session ID of FD */ #define TARGET_TIOCGPTN TARGET_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ #define TARGET_TIOCSPTLCK TARGET_IOW('T',0x31, int) /* Lock/unlock Pty */ +#define TARGET_TIOCGPTPEER TARGET_IO('T', 0x41) /* Safely open the slave */ #define TARGET_FIONCLEX 0x5450 /* these numbers need to be adjusted. */ #define TARGET_FIOCLEX 0x5451 diff --git a/linux-user/hppa/termbits.h b/linux-user/hppa/termbits.h index e9633ef119..ad51c9c911 100644 --- a/linux-user/hppa/termbits.h +++ b/linux-user/hppa/termbits.h @@ -186,6 +186,8 @@ struct target_termios { /* Get Pty Number (of pty-mux device) */ #define TARGET_TIOCSPTLCK TARGET_IOW('T', 0x31, int) /* Lock/unlock Pty */ +#define TARGET_TIOCGPTPEER TARGET_IO('T', 0x41) + /* Safely open the slave */ #define TARGET_FIONCLEX 0x5450 /* these numbers need to be adjusted. */ #define TARGET_FIOCLEX 0x5451 diff --git a/linux-user/i386/termbits.h b/linux-user/i386/termbits.h index e051a3af74..32dd0dde5d 100644 --- a/linux-user/i386/termbits.h +++ b/linux-user/i386/termbits.h @@ -195,6 +195,7 @@ struct target_termios { #define TARGET_TIOCGSID 0x5429 /* Return the session ID of FD */ #define TARGET_TIOCGPTN TARGET_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ #define TARGET_TIOCSPTLCK TARGET_IOW('T',0x31, int) /* Lock/unlock Pty */ +#define TARGET_TIOCGPTPEER TARGET_IO('T', 0x41) /* Safely open the slave */ #define TARGET_FIONCLEX 0x5450 /* these numbers need to be adjusted. */ #define TARGET_FIOCLEX 0x5451 diff --git a/linux-user/ioctls.h b/linux-user/ioctls.h index 35cad6f944..586c794639 100644 --- a/linux-user/ioctls.h +++ b/linux-user/ioctls.h @@ -40,6 +40,9 @@ IOCTL(TIOCSETD, IOC_W, MK_PTR(TYPE_INT)) IOCTL(TIOCGPTN, IOC_R, MK_PTR(TYPE_INT)) IOCTL(TIOCSPTLCK, IOC_W, MK_PTR(TYPE_INT)) +#ifdef TIOCGPTPEER + IOCTL_SPECIAL(TIOCGPTPEER, 0, do_ioctl_tiocgptpeer, TYPE_INT) +#endif IOCTL(FIOCLEX, 0, TYPE_NULL) IOCTL(FIONCLEX, 0, TYPE_NULL) IOCTL(FIOASYNC, IOC_W, MK_PTR(TYPE_INT)) diff --git a/linux-user/m68k/termbits.h b/linux-user/m68k/termbits.h index f7982fb6c2..9df58dc5cb 100644 --- a/linux-user/m68k/termbits.h +++ b/linux-user/m68k/termbits.h @@ -196,6 +196,7 @@ struct target_termios { #define TARGET_TIOCGSID 0x5429 /* Return the session ID of FD */ #define TARGET_TIOCGPTN TARGET_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ #define TARGET_TIOCSPTLCK TARGET_IOW('T',0x31, int) /* Lock/unlock Pty */ +#define TARGET_TIOCGPTPEER TARGET_IO('T', 0x41) /* Safely open the slave */ #define TARGET_FIONCLEX 0x5450 /* these numbers need to be adjusted. */ #define TARGET_FIOCLEX 0x5451 diff --git a/linux-user/microblaze/termbits.h b/linux-user/microblaze/termbits.h index fc82ca084e..c825cd2f5e 100644 --- a/linux-user/microblaze/termbits.h +++ b/linux-user/microblaze/termbits.h @@ -182,6 +182,7 @@ struct target_termios { #define TARGET_TIOCGSID 0x5429 /* Return the session ID of FD */ #define TARGET_TIOCGPTN TARGET_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ #define TARGET_TIOCSPTLCK TARGET_IOW('T',0x31, int) /* Lock/unlock Pty */ +#define TARGET_TIOCGPTPEER TARGET_IO('T', 0x41) /* Safely open the slave */ #define TARGET_FIONCLEX 0x5450 /* these numbers need to be adjusted. */ #define TARGET_FIOCLEX 0x5451 diff --git a/linux-user/mips/termbits.h b/linux-user/mips/termbits.h index a0bcad0946..49a72c5539 100644 --- a/linux-user/mips/termbits.h +++ b/linux-user/mips/termbits.h @@ -233,6 +233,7 @@ struct target_termios { #define TARGET_TIOCGPKT TARGET_IOR('T', 0x38, int) #define TARGET_TIOCGPTLCK TARGET_IOR('T', 0x39, int) #define TARGET_TIOCGEXCL TARGET_IOR('T', 0x40, int) +#define TARGET_TIOCGPTPEER TARGET_IO('T', 0x41) /* I hope the range from 0x5480 on is free ... */ #define TARGET_TIOCSCTTY 0x5480 /* become controlling tty */ diff --git a/linux-user/nios2/termbits.h b/linux-user/nios2/termbits.h index b64ba974cf..f9f80f0f37 100644 --- a/linux-user/nios2/termbits.h +++ b/linux-user/nios2/termbits.h @@ -187,6 +187,8 @@ struct target_termios { /* Get Pty Number (of pty-mux device) */ #define TARGET_TIOCSPTLCK TARGET_IOW('T', 0x31, int) /* Lock/unlock Pty */ +#define TARGET_TIOCGPTPEER TARGET_IO('T', 0x41) + /* Safely open the slave */ #define TARGET_FIONCLEX 0x5450 /* these numbers need to be adjusted. */ #define TARGET_FIOCLEX 0x5451 diff --git a/linux-user/openrisc/termbits.h b/linux-user/openrisc/termbits.h index 373af77215..231a49806b 100644 --- a/linux-user/openrisc/termbits.h +++ b/linux-user/openrisc/termbits.h @@ -245,6 +245,8 @@ struct target_termios3 { #define TARGET_TIOCGPTN TARGET_IOR('T', 0x30, unsigned int) /* Lock/unlock Pty */ #define TARGET_TIOCSPTLCK TARGET_IOW('T', 0x31, int) +/* Safely open the slave */ +#define TARGET_TIOCGPTPEER TARGET_IO('T', 0x41) /* Get primary device node of /dev/console */ #define TARGET_TIOCGDEV TARGET_IOR('T', 0x32, unsigned int) #define TARGET_TCGETX 0x5432 /* SYS5 TCGETX compatibility */ diff --git a/linux-user/ppc/termbits.h b/linux-user/ppc/termbits.h index 73e7151756..a5b1bb783b 100644 --- a/linux-user/ppc/termbits.h +++ b/linux-user/ppc/termbits.h @@ -219,6 +219,7 @@ struct target_termios { #define TARGET_TIOCGSID 0x5429 /* Return the session ID of FD */ #define TARGET_TIOCGPTN TARGET_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ #define TARGET_TIOCSPTLCK TARGET_IOW('T',0x31, int) /* Lock/unlock Pty */ +#define TARGET_TIOCGPTPEER TARGET_IO('T', 0x41) /* Safely open the slave */ #define TARGET_TIOCSERCONFIG 0x5453 #define TARGET_TIOCSERGWILD 0x5454 diff --git a/linux-user/s390x/termbits.h b/linux-user/s390x/termbits.h index 2a78a05594..8bcca89cd7 100644 --- a/linux-user/s390x/termbits.h +++ b/linux-user/s390x/termbits.h @@ -252,6 +252,7 @@ struct target_ktermios { #define TARGET_TIOCGPTN _IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ #define TARGET_TIOCSPTLCK _IOW('T',0x31, int) /* Lock/unlock Pty */ #define TARGET_TIOCGDEV _IOR('T',0x32, unsigned int) /* Get real dev no below /dev/console */ +#define TARGET_TIOCGPTPEER TARGET_IO('T', 0x41) /* Safely open the slave */ #define TARGET_FIONCLEX 0x5450 /* these numbers need to be adjusted. */ #define TARGET_FIOCLEX 0x5451 diff --git a/linux-user/sh4/termbits.h b/linux-user/sh4/termbits.h index 2ff774f6ba..5723ed7752 100644 --- a/linux-user/sh4/termbits.h +++ b/linux-user/sh4/termbits.h @@ -250,6 +250,7 @@ ID of FD */ #define TARGET_TIOCGPTN TARGET_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-m ux device) */ #define TARGET_TIOCSPTLCK TARGET_IOW('T',0x31, int) /* Lock/unlock Pty */ +#define TARGET_TIOCGPTPEER TARGET_IO('T', 0x41) /* Safely open the slave */ #define TARGET_TIOCSERCONFIG TARGET_IO('T', 83) /* 0x5453 */ diff --git a/linux-user/sparc/termbits.h b/linux-user/sparc/termbits.h index 691600d27a..98268936dc 100644 --- a/linux-user/sparc/termbits.h +++ b/linux-user/sparc/termbits.h @@ -245,6 +245,7 @@ struct target_termios { /* Get minor device of a pty master's FD -- Solaris equiv is ISPTM */ #define TARGET_TIOCGPTN TARGET_IOR('t', 134, unsigned int) /* Get Pty Number */ #define TARGET_TIOCSPTLCK TARGET_IOW('t', 135, int) /* Lock/unlock PTY */ +#define TARGET_TIOCGPTPEER TARGET_IO('T', 137) /* Safely open the slave */ /* Little f */ #define TARGET_FIOCLEX TARGET_IO('f', 1) diff --git a/linux-user/sparc64/termbits.h b/linux-user/sparc64/termbits.h index 691600d27a..98268936dc 100644 --- a/linux-user/sparc64/termbits.h +++ b/linux-user/sparc64/termbits.h @@ -245,6 +245,7 @@ struct target_termios { /* Get minor device of a pty master's FD -- Solaris equiv is ISPTM */ #define TARGET_TIOCGPTN TARGET_IOR('t', 134, unsigned int) /* Get Pty Number */ #define TARGET_TIOCSPTLCK TARGET_IOW('t', 135, int) /* Lock/unlock PTY */ +#define TARGET_TIOCGPTPEER TARGET_IO('T', 137) /* Safely open the slave */ /* Little f */ #define TARGET_FIOCLEX TARGET_IO('f', 1) diff --git a/linux-user/syscall.c b/linux-user/syscall.c index 11c9116c4a..e0070e31c0 100644 --- a/linux-user/syscall.c +++ b/linux-user/syscall.c @@ -5607,6 +5607,15 @@ static abi_long do_ioctl_kdsigaccept(const IOCTLEntry *ie, uint8_t *buf_temp, return get_errno(safe_ioctl(fd, ie->host_cmd, sig)); } +#ifdef TIOCGPTPEER +static abi_long do_ioctl_tiocgptpeer(const IOCTLEntry *ie, uint8_t *buf_temp, + int fd, int cmd, abi_long arg) +{ + int flags = target_to_host_bitmask(arg, fcntl_flags_tbl); + return get_errno(safe_ioctl(fd, ie->host_cmd, flags)); +} +#endif + static IOCTLEntry ioctl_entries[] = { #define IOCTL(cmd, access, ...) \ { TARGET_ ## cmd, cmd, #cmd, access, 0, { __VA_ARGS__ } }, diff --git a/linux-user/tilegx/termbits.h b/linux-user/tilegx/termbits.h index 91ec23654e..966daec088 100644 --- a/linux-user/tilegx/termbits.h +++ b/linux-user/tilegx/termbits.h @@ -242,6 +242,7 @@ struct target_termios2 { #define TARGET_TIOCGPKT TARGET_IOR('T', 0x38, int) #define TARGET_TIOCGPTLCK TARGET_IOR('T', 0x39, int) #define TARGET_TIOCGEXCL TARGET_IOR('T', 0x40, int) +#define TARGET_TIOCGPTPEER TARGET_IO('T', 0x41) #define TARGET_FIONCLEX 0x5450 #define TARGET_FIOCLEX 0x5451 diff --git a/linux-user/x86_64/termbits.h b/linux-user/x86_64/termbits.h index 387e742592..f5776a8aa6 100644 --- a/linux-user/x86_64/termbits.h +++ b/linux-user/x86_64/termbits.h @@ -215,6 +215,7 @@ struct target_termios { #define TARGET_TCSETSF2 TARGET_IOW('T',0x2D, struct termios2) #define TARGET_TIOCGPTN TARGET_IOR('T',0x30, unsigned int) /* Get Pty Number (of pty-mux device) */ #define TARGET_TIOCSPTLCK TARGET_IOW('T',0x31, int) /* Lock/unlock Pty */ +#define TARGET_TIOCGPTPEER TARGET_IO('T', 0x41) /* Safely open the slave */ #define TARGET_FIONCLEX 0x5450 /* these numbers need to be adjusted. */ #define TARGET_FIOCLEX 0x5451