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Wed, 11 Dec 2024 12:20:26 +0000 From: Andrea Cervesato Date: Wed, 11 Dec 2024 13:20:32 +0100 MIME-Version: 1.0 Message-Id: <20241211-fix_setsid_tests-v1-9-e103f36c6462@suse.com> References: <20241211-fix_setsid_tests-v1-0-e103f36c6462@suse.com> In-Reply-To: <20241211-fix_setsid_tests-v1-0-e103f36c6462@suse.com> To: ltp@lists.linux.it X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1733919626; l=2607; i=andrea.cervesato@suse.com; s=20240812; h=from:subject:message-id; bh=/0lRl6aQr62MJhGCBCIA48fYEX9Rp2M6Bvi4mduG72k=; b=pL9+E8T5/1I/eCNF6dZdfhk+R6MAzIAOvDDVrm7/ZNJLsCadF2SVX4N5Ey8hPmJ1SmPPUhMl6 nmsOXmZlS4FDdTsX5MVf5Lk4K5MmItDv6o5GIwrTLmTm3lGNfbjAO7S X-Developer-Key: i=andrea.cervesato@suse.com; a=ed25519; pk=RG/nLJ5snb1tLKGwSORQXBJ5XA4juT0WF2Pc/lq9meo= X-Spamd-Result: default: False [-4.30 / 50.00]; BAYES_HAM(-3.00)[100.00%]; NEURAL_HAM_LONG(-1.00)[-1.000]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; RCVD_TLS_ALL(0.00)[]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; FUZZY_BLOCKED(0.00)[rspamd.com]; PREVIOUSLY_DELIVERED(0.00)[ltp@lists.linux.it]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.com:email,suse.com:mid] X-Virus-Scanned: clamav-milter 1.0.3 at in-3.smtp.seeweb.it X-Virus-Status: Clean Subject: [LTP] [PATCH 09/10] Add pty08 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: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" From: Andrea Cervesato Verify that slave pseudo-terminal fails reading/writing if master has been closed. Signed-off-by: Andrea Cervesato --- runtest/pty | 1 + testcases/kernel/pty/.gitignore | 1 + testcases/kernel/pty/pty08.c | 60 +++++++++++++++++++++++++++++++++++++++++ 3 files changed, 62 insertions(+) diff --git a/runtest/pty b/runtest/pty index 6343da391ba17627abaf09aa5a23509e4f745556..365a46ee9730aa36b22dbbdbfba82ac0d491ac94 100644 --- a/runtest/pty +++ b/runtest/pty @@ -6,6 +6,7 @@ pty04 pty04 pty05 pty05 pty06 pty06 pty07 pty07 +pty08 pty08 ptem01 ptem01 ptem02 ptem02 ptem03 ptem03 diff --git a/testcases/kernel/pty/.gitignore b/testcases/kernel/pty/.gitignore index 630d7fcf7b0e0adfbc21b793fa456d6c5f5e4ad9..7d8d4dceda84f2e2695a8bee39abfe894288b8b6 100644 --- a/testcases/kernel/pty/.gitignore +++ b/testcases/kernel/pty/.gitignore @@ -12,3 +12,4 @@ /pty05 /pty06 /pty07 +/pty08 diff --git a/testcases/kernel/pty/pty08.c b/testcases/kernel/pty/pty08.c new file mode 100644 index 0000000000000000000000000000000000000000..1e3eb191b2e2a88258319da90e29ed582cdfa7b7 --- /dev/null +++ b/testcases/kernel/pty/pty08.c @@ -0,0 +1,60 @@ +// SPDX-License-Identifier: GPL-2.0-or-later +/* + * Copyright (c) International Business Machines Corp., 2002 + * Copyright (C) 2024 SUSE LLC Andrea Cervesato + */ + +/*\ + * [Description] + * + * Verify that slave pseudo-terminal fails reading/writing if master has been + * closed. + */ + +#define _GNU_SOURCE + +#include "tst_test.h" + +#define MASTERCLONE "/dev/ptmx" + +static void run(void) +{ + int masterfd, slavefd; + char *slavename; + char buf; + + masterfd = SAFE_OPEN(MASTERCLONE, O_RDWR); + + slavename = ptsname(masterfd); + if (slavename == NULL) + tst_brk(TBROK | TERRNO, "ptsname() error"); + + tst_res(TINFO, "pts device location is %s", slavename); + + if (grantpt(masterfd) == -1) + tst_brk(TBROK | TERRNO, "grantpt() error"); + + if (unlockpt(masterfd) == -1) + tst_brk(TBROK | TERRNO, "unlockpt() error"); + + slavefd = SAFE_OPEN(slavename, O_RDWR); + + tst_res(TINFO, "Closing master communication"); + SAFE_CLOSE(masterfd); + + TST_EXP_FAIL(read(slavefd, &buf, 1), EIO); + TST_EXP_FAIL(write(slavefd, &buf, 1), EIO); + + SAFE_CLOSE(slavefd); +} + +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, +}; -- 2.43.0 -- Mailing list info: https://lists.linux.it/listinfo/ltp