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MIME_TRACE(0.00)[0:+]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[ltp@lists.linux.it]; DKIM_TRACE(0.00)[suse.de:+] X-Rspamd-Server: rspamd1.dmz-prg2.suse.org X-Spam-Level: X-Spam-Status: No, score=0.1 required=7.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,DKIM_VALID_EF,DMARC_PASS,SPF_HELO_NONE,SPF_PASS shortcircuit=no autolearn=disabled version=4.0.0 X-Spam-Checker-Version: SpamAssassin 4.0.0 (2022-12-13) on in-2.smtp.seeweb.it X-Virus-Scanned: clamav-milter 1.0.3 at in-2.smtp.seeweb.it X-Virus-Status: Clean Subject: [LTP] [PATCH 07/10] Add ptem06 test X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: ltp-bounces+incoming=patchwork.ozlabs.org@lists.linux.it Sender: "ltp" From: Andrea Cervesato Verify that it's possible to open a pseudo-terminal via /dev/ptmx, to obtain a slave device and to set baudrate to B0 (which means hang up). Signed-off-by: Andrea Cervesato --- runtest/pty | 1 + testcases/kernel/pty/.gitignore | 1 + testcases/kernel/pty/ptem06.c | 59 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 61 insertions(+) diff --git a/runtest/pty b/runtest/pty index deb04c3f5725647a32f457eaed638eb7071ab4db..6343da391ba17627abaf09aa5a23509e4f745556 100644 --- a/runtest/pty +++ b/runtest/pty @@ -11,5 +11,6 @@ ptem02 ptem02 ptem03 ptem03 ptem04 ptem04 ptem05 ptem05 +ptem06 ptem06 hangup01 hangup01 diff --git a/testcases/kernel/pty/.gitignore b/testcases/kernel/pty/.gitignore index ef5751907cad087f5e33132b52a374b52ee7905a..630d7fcf7b0e0adfbc21b793fa456d6c5f5e4ad9 100644 --- a/testcases/kernel/pty/.gitignore +++ b/testcases/kernel/pty/.gitignore @@ -4,6 +4,7 @@ /ptem03 /ptem04 /ptem05 +/ptem06 /pty01 /pty02 /pty03 diff --git a/testcases/kernel/pty/ptem06.c b/testcases/kernel/pty/ptem06.c new file mode 100644 index 0000000000000000000000000000000000000000..be34000e63de48560fa7ae03f72c986e26f7851d --- /dev/null +++ b/testcases/kernel/pty/ptem06.c @@ -0,0 +1,59 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) International Business Machines Corp., 2002 + * Copyright (c) 2020 Petr Vorel + * Copyright (C) 2024 SUSE LLC Andrea Cervesato + */ + +/*\ + * [Description] + * + * Verify that it's possible to open a pseudo-terminal via /dev/ptmx, to obtain + * a slave device and to set baudrate to B0 (which means hang up). + */ + +#define _GNU_SOURCE + +#include +#include "tst_test.h" + +#define MASTERCLONE "/dev/ptmx" + +static void run(void) +{ + int masterfd, slavefd; + struct termios termios; + char *slavename; + + masterfd = SAFE_OPEN(MASTERCLONE, O_RDWR); + + slavename = ptsname(masterfd); + if (slavename == NULL) + tst_res(TFAIL, "Can't get slave device location"); + else + tst_res(TPASS, "pts device location is %s", slavename); + + TST_EXP_PASS(grantpt(masterfd)); + TST_EXP_PASS(unlockpt(masterfd)); + + slavefd = SAFE_OPEN(slavename, O_RDWR); + + TST_EXP_PASS(ioctl(slavefd, TCGETS, &termios)); + termios.c_cflag &= ~CBAUD; + termios.c_cflag |= B0 & CBAUD; + TST_EXP_PASS(ioctl(slavefd, TCSETS, &termios)); + + SAFE_CLOSE(slavefd); + SAFE_CLOSE(masterfd); +} + +static void setup(void) +{ + if (access(MASTERCLONE, F_OK)) + tst_brk(TBROK, "%s device doesn't exist", MASTERCLONE); +} + +static struct tst_test test = { + .test_all = run, + .setup = setup, +};