From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-il1-x130.google.com (mail-il1-x130.google.com [IPv6:2607:f8b0:4864:20::130]) by sourceware.org (Postfix) with ESMTPS id 062C7385781C for ; Mon, 12 Apr 2021 17:23:29 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 062C7385781C Received: by mail-il1-x130.google.com with SMTP id 7so10027740ilz.0 for ; Mon, 12 Apr 2021 10:23:29 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=cfwEfSOI7r33PkAANnvHWSUcLCpo28lfKl1rZBNP9XE=; b=RDeKrGEQ2jwADX7XAqCmz4yHC9WTeDc5DESrt++rCLwaLWTnkPycVhCPlSqixdZX0i iaqEAHwfMkxIwlP19b1WD6+pMmASYv0V0oPRBfOV3gD9BFIgOD5xxqU9YTIfPYaB4WJ/ NADjH3fdnFI7SnWjWPG0/QFTXh+AEgPbcJc319R0LjpNywlcQQ6nykurFFHUynzCZvJ/ TiE0QX9HibtMNTBj4KUyPZMrdHUCtENIt9FyAveK2/bNlX6Cf0w5euPi5jlLi9+mG++d scUcpGXcm8D1T8H6KEAak93NwqEsYomeuiVIvjb6BdS2qrPsHlhDxMdEos903yz1p+nD kNIg== X-Gm-Message-State: AOAM531LjQFQN8j5+r3NBEKAThhkvdelbLBNe+IsOXJQLH4qa4xV9wmZ iSujfh7mJYgz1fDIBjPgJhqz//bArbID60JQJ/4= X-Google-Smtp-Source: ABdhPJx3BnUypSg3a4TxE7QFGdxuSk1Amk+5hniSYzBZO0vmCqR/wfzyj9W8XCjj3A6r+ZFkOV2QJzIOI6av0cy5QAY= X-Received: by 2002:a05:6e02:80b:: with SMTP id u11mr15864922ilm.153.1618248207069; Mon, 12 Apr 2021 10:23:27 -0700 (PDT) MIME-Version: 1.0 References: <87wnt7iizx.fsf@oldenburg.str.redhat.com> <87sg3viio7.fsf@oldenburg.str.redhat.com> In-Reply-To: <87sg3viio7.fsf@oldenburg.str.redhat.com> From: Peng Yu Date: Mon, 12 Apr 2021 12:23:15 -0500 Message-ID: Subject: Re: What is the point of IPC_PRIVATE of shmget? To: Florian Weimer Cc: Peng Yu via Libc-help Content-Type: text/plain; charset="UTF-8" X-Spam-Status: No, score=-2.1 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: libc-help@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-help mailing list List-Unsubscribe: , List-Archive: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 12 Apr 2021 17:23:30 -0000 > Oh, it can be shared if the process forks. With malloc, you'd lose the > sharing. OK. This makes much more sense now. -- Regards, Peng