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MIME_GOOD(-0.10)[text/plain]; FUZZY_RATELIMITED(0.00)[rspamd.com]; RCVD_VIA_SMTP_AUTH(0.00)[]; MIME_TRACE(0.00)[0:+]; ARC_NA(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; DBL_BLOCKED_OPENRESOLVER(0.00)[suse.de:email,suse.de:mid]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; RCVD_TLS_ALL(0.00)[] X-Virus-Scanned: clamav-milter 1.0.7 at in-2.smtp.seeweb.it X-Virus-Status: Clean Subject: [LTP] [PATCH v4] Introduce ioctl_pidfd_get_info_supported() function 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" Check if ioctl(PIDFD_GET_INFO) is implemented or not before proceeding in ioctl_pidfd05 test Suggested-by: Cyril Hrubis Suggested-by: Petr Vorel Signed-off-by: Avinesh Kumar --- testcases/kernel/syscalls/ioctl/ioctl_pidfd.h | 28 +++++++++++++++++++ .../kernel/syscalls/ioctl/ioctl_pidfd05.c | 9 +++++- 2 files changed, 36 insertions(+), 1 deletion(-) diff --git a/testcases/kernel/syscalls/ioctl/ioctl_pidfd.h b/testcases/kernel/syscalls/ioctl/ioctl_pidfd.h index 811f969cd..b785d8043 100644 --- a/testcases/kernel/syscalls/ioctl/ioctl_pidfd.h +++ b/testcases/kernel/syscalls/ioctl/ioctl_pidfd.h @@ -9,6 +9,34 @@ #include "tst_test.h" #include "lapi/pidfd.h" +static inline bool ioctl_pidfd_get_info_supported(void) +{ + pid_t pid; + int pidfd, ret; + int supported = 0; + struct pidfd_info info; + + if (tst_kvercmp(6, 13, 0) >= 0) + return 1; + + memset(&info, 0, sizeof(struct pidfd_info)); + + pid = SAFE_FORK(); + if (!pid) + exit(100); + + pidfd = SAFE_PIDFD_OPEN(pid, 0); + + ret = ioctl(pidfd, PIDFD_GET_INFO, &info); + SAFE_WAITPID(pid, NULL, 0); + + if (ret != -1) + supported = 1; + + SAFE_CLOSE(pidfd); + return supported; +} + static inline int ioctl_pidfd_info_exit_supported(void) { int ret; diff --git a/testcases/kernel/syscalls/ioctl/ioctl_pidfd05.c b/testcases/kernel/syscalls/ioctl/ioctl_pidfd05.c index c379717b3..d20c6f074 100644 --- a/testcases/kernel/syscalls/ioctl/ioctl_pidfd05.c +++ b/testcases/kernel/syscalls/ioctl/ioctl_pidfd05.c @@ -14,7 +14,7 @@ #include "tst_test.h" #include "lapi/pidfd.h" #include "lapi/sched.h" -#include "lapi/ioctl.h" +#include "ioctl_pidfd.h" struct pidfd_info_invalid { uint32_t dummy; @@ -48,8 +48,15 @@ static void run(void) SAFE_CLOSE(pidfd); } +static void setup(void) +{ + if (!ioctl_pidfd_get_info_supported()) + tst_brk(TCONF, "ioctl(PIDFD_GET_INFO) is not implemented"); +} + static struct tst_test test = { .test_all = run, + .setup = setup, .forks_child = 1, .bufs = (struct tst_buffers []) { {&args, .size = sizeof(*args)}, -- 2.51.0 -- Mailing list info: https://lists.linux.it/listinfo/ltp