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[85.229.7.191]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-c2dd68a6f18sm287948966b.52.2026.09.29.01.42.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 29 Sep 2026 01:42:56 -0700 (PDT) From: Anders Roxell To: ltp@lists.linux.it Date: Tue, 29 Sep 2026 10:42:53 +0200 Message-ID: <20260929084253.3093742-1-anders.roxell@linaro.org> X-Mailer: git-send-email 2.53.0 MIME-Version: 1.0 X-Virus-Scanned: clamav-milter 1.0.9 at in-5.smtp.seeweb.it X-Virus-Status: Clean Subject: [LTP] [PATCH v2] tst_clone: Fix child detection on sparc 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" On sparc the clone syscall does not return 0 in the child. It returns the parent pid, so the child thinks it is the parent. Save the pid before the clone and compare it after. Signed-off-by: Anders Roxell --- lib/tst_clone.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/lib/tst_clone.c b/lib/tst_clone.c index 296cd40ac0a0..d7f005a2d2a5 100644 --- a/lib/tst_clone.c +++ b/lib/tst_clone.c @@ -20,6 +20,9 @@ pid_t tst_clone(const struct tst_clone_args *tst_args) }; int flags; pid_t pid = -1; +#ifdef __sparc__ + pid_t parent_pid = tst_getpid(); +#endif tst_flush(); @@ -44,5 +47,10 @@ pid_t tst_clone(const struct tst_clone_args *tst_args) if (pid == -1) return -2; +#ifdef __sparc__ + if (pid == parent_pid) + pid = 0; +#endif + return pid; } -- 2.53.0 -- Mailing list info: https://lists.linux.it/listinfo/ltp