From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr1-x435.google.com (mail-wr1-x435.google.com [IPv6:2a00:1450:4864:20::435]) by sourceware.org (Postfix) with ESMTPS id 86FD6388A40A for ; Sat, 3 Apr 2021 19:42:05 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.3.2 sourceware.org 86FD6388A40A Received: by mail-wr1-x435.google.com with SMTP id f6so1394021wrv.12 for ; Sat, 03 Apr 2021 12:42:05 -0700 (PDT) X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=pcPv5Fuq5z0fIsLcPIO2L+6g4NPWa5MD8jyc9rRrveQ=; b=FVqQCYLf8LSzWIO5V8Qc14ZHNl/UagSgms0PBjF/Nyifr51Bv/2mNpamuXEUQVGTmA obYVwJAumVAiVPAPX3cJ7aWi5OPbnBHFZYXjchw96ZurhjGxvQuCJYGdowk3pGgALILB jKRsGIbz6BH9xhTX8JTZhBZJl6y1mCRq8QxZeRV5Q35oYKZCnE3h6v84zwPkZoHpNoB+ R4wIsGUxQespRMbly6rEbdz5eYCPZAOeZmy8hb8MhO01HGIahUoFWQUI+nwCeLysEaWd GUisRZZaiCTny6pQR6+PiOarbpYlVS1qLtCroAMfNZzdFBa9MdHpfd6Mk8mmk7AmlCEQ ishg== X-Gm-Message-State: AOAM530I5wnppdP4tXhlZZNJmSCChNwi5SIl4/hvNO/ck5RgmXAHaDSl Dl1th9k2u6+b1C7WnnwLcz8= X-Google-Smtp-Source: ABdhPJz16SNF8uSPoP45lesjqi1ttat57OHzCNoycwO7s/Bn/WPz5Hcl0Un9IlZ3aJ1oEo9MV9SgxQ== X-Received: by 2002:a5d:4bcb:: with SMTP id l11mr22125568wrt.390.1617478924754; Sat, 03 Apr 2021 12:42:04 -0700 (PDT) Received: from localhost.localdomain ([170.253.36.171]) by smtp.googlemail.com with ESMTPSA id n1sm25211056wro.36.2021.04.03.12.42.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 03 Apr 2021 12:42:04 -0700 (PDT) From: Alejandro Colomar To: mtk.manpages@gmail.com Cc: Alejandro Colomar , linux-man@vger.kernel.org, libc-alpha@sourceware.org Subject: [PATCH v4 25/35] get_robust_list.2: Use syscall(SYS_...); for system calls without a wrapper Date: Sat, 3 Apr 2021 21:40:17 +0200 Message-Id: <20210403194026.102818-26-alx.manpages@gmail.com> X-Mailer: git-send-email 2.31.0 In-Reply-To: <20210403194026.102818-1-alx.manpages@gmail.com> References: <20210403194026.102818-1-alx.manpages@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Spam-Status: No, score=-12.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, 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-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 03 Apr 2021 19:42:06 -0000 Signed-off-by: Alejandro Colomar --- man2/get_robust_list.2 | 19 ++++++++----------- 1 file changed, 8 insertions(+), 11 deletions(-) diff --git a/man2/get_robust_list.2 b/man2/get_robust_list.2 index dd43cded2..b1368ddd3 100644 --- a/man2/get_robust_list.2 +++ b/man2/get_robust_list.2 @@ -32,16 +32,16 @@ get_robust_list, set_robust_list \- get/set list of robust futexes .SH SYNOPSIS .nf -.B #include -.B #include +.BR "#include " \ +" /* Definition of " "struct robust_list_head" " */" +.BR "#include " " /* Definition of " SYS_* " constants */" +.B #include .PP -.BI "long get_robust_list(int " pid ", struct robust_list_head **" head_ptr , -.BI " size_t *" len_ptr ); -.BI "long set_robust_list(struct robust_list_head *" head ", size_t " len ); +.BI "long syscall(SYS_get_robust_list, int " pid , +.BI " struct robust_list_head **" head_ptr ", size_t *" len_ptr ); +.BI "long syscall(SYS_set_robust_list," +.BI " struct robust_list_head *" head ", size_t " len ); .fi -.PP -.IR Note : -There are no glibc wrappers for these system calls; see NOTES. .SH DESCRIPTION These system calls deal with per-thread robust futex lists. These lists are managed in user space: @@ -138,9 +138,6 @@ could be found. These system calls were added in Linux 2.6.17. .SH NOTES These system calls are not needed by normal applications. -No support for them is provided in glibc. -In the unlikely event that you want to call them directly, use -.BR syscall (2). .PP A thread can have only one robust futex list; therefore applications that wish -- 2.31.0