X-Recipient: archive-cygwin AT delorie DOT com DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org D9DDE38930C3 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cygwin.com; s=default; t=1587713421; bh=oTFvpNZLGdnRy0nwMi+RRHq0iBSUtIw5qxJkcVhqB3U=; h=To:Subject:Date:List-Id:List-Unsubscribe:List-Archive:List-Post: List-Help:List-Subscribe:From:Reply-To:From; b=R+XTtNWdVdEmjoy2YEvqJ9c6L5RFanUlBEgzUr3KouSEUn/E87b1q/gQ+vfqWRl0T TO5t5IwAW38GomvPomuJiurojIYLLhFMGr7Bk79oI3yOorz0GtZ/vOqJbGuAQtGnEy a9dlJf1NFf57V8k6c2Auc79+tgFWhvqHcZEXj2qg= X-Original-To: cygwin AT cygwin DOT com Delivered-To: cygwin AT cygwin DOT com DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org B11BB38930C3 X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:subject:date:message-id:mime-version :content-transfer-encoding:thread-index:content-language; bh=cag/IicFOgk5e/8pmuEw0lg/NNjAhsymhkCMCI3EEbo=; b=brXVTFP5IHmXZgnTnCpoQlFl8VNqK1y2Zx9YJhkaoG3BNEQ9cB1XiT0oqlNJN0oBYi ae2m06iQqR0toGod4NLNWJP6HbR8rei/QTYNxaEFE+ICGfHNe/B89lwlwNpav+0o9stY fy/pqjetCxwDTMasUNNjB8wdlThNTdzTPnxuF9vkazrFCjMk4l5tzy0EsryJiU9jUcKH dNzCVZwbLX1iBZ0B17o7sQHDgK9pDU/YSs7PDhoVZZ0rgam9Gk0txiBlFHjMSGXvg/1I R9WhjvNZKOC27EuiROC7fHZzoOUufOQu13zuqqZ7If03lSB6gbg28HLTvoMXfL9qW3oJ PRLQ== X-Gm-Message-State: AGi0PuavZC3SXMa2mB1NQVxipear+8gni/oWt80pcJKE6DBEP6oxXumi f79ANUAqrV3d14jW7pbcO8654sfE X-Google-Smtp-Source: APiQypJ7utbT+RgfJsQ2oYyTu873KNdIb2Nm4Ap6dOiXIX+W2u6EIOqH/ku8ZAWjn633nkytkpRnmQ== X-Received: by 2002:a05:651c:1121:: with SMTP id e1mr5030292ljo.205.1587713416114; Fri, 24 Apr 2020 00:30:16 -0700 (PDT) To: Subject: posix_spawnp creates ghost processes Date: Fri, 24 Apr 2020 09:30:14 +0200 Message-ID: <008201d61a0a$328a5510$979eff30$@gmail.com> MIME-Version: 1.0 X-Mailer: Microsoft Outlook 16.0 Thread-Index: AdYaCGcs7bBxZUHxRyeJM37LqYsOKA== Content-Language: en-gb X-Spam-Status: No, score=-2.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: cygwin AT cygwin DOT com X-Mailman-Version: 2.1.29 List-Id: General Cygwin discussions and problem reports List-Archive: List-Post: List-Help: List-Subscribe: , From: Kristian Ivarsson via Cygwin Reply-To: sten DOT kristian DOT ivarsson AT gmail DOT com Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Cygwin" Hi all We're having a rather complex application and have noticed a rather weird behaviour that I cannot find any information about We're using posix_spawnp and sometimes it creates extra "ghost-process(es)" non visible to cygwin (via e.g. process status (ps)) but visible to Windows (Task Manager) The function doesn't fail and it doesn't report any error, but sometimes (hard to reproduce deterministically) it creates one, or more, extra processes of the same binary Have anyone noticed and/or have some information/ideas about this ? Kristian -- Problem reports: https://cygwin.com/problems.html FAQ: https://cygwin.com/faq/ Documentation: https://cygwin.com/docs.html Unsubscribe info: https://cygwin.com/ml/#unsubscribe-simple