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Sat, 13 Mar 2021 11:25:53 -0800 (PST) Received: from localhost.localdomain ([170.253.51.130]) by smtp.googlemail.com with ESMTPSA id j136sm7670964wmj.35.2021.03.13.11.25.52 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 13 Mar 2021 11:25:52 -0800 (PST) To: mtk.manpages@gmail.com Subject: [RFC v3 05/17] capget.2: Use syscall(SYS_...); for system calls without a wrapper Date: Sat, 13 Mar 2021 20:25:15 +0100 Message-Id: <20210313192526.350200-6-alx.manpages@gmail.com> X-Mailer: git-send-email 2.30.2 In-Reply-To: <20210214133907.157320-1-alx.manpages@gmail.com> References: <20210214133907.157320-1-alx.manpages@gmail.com> MIME-Version: 1.0 X-Spam-Status: No, score=-12.4 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-Patchwork-Original-From: Alejandro Colomar via Libc-alpha From: Alejandro Colomar Reply-To: Alejandro Colomar Cc: Alejandro Colomar , linux-man@vger.kernel.org, libc-alpha@sourceware.org, linux-kernel@vger.kernel.org, Florian Weimer Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" Signed-off-by: Alejandro Colomar --- man2/capget.2 | 18 ++++++++---------- 1 file changed, 8 insertions(+), 10 deletions(-) diff --git a/man2/capget.2 b/man2/capget.2 index ea504c28c..981645f90 100644 --- a/man2/capget.2 +++ b/man2/capget.2 @@ -18,14 +18,15 @@ capget, capset \- set/get capabilities of thread(s) .SH SYNOPSIS .nf -.B #include +.BR "#include " " /* Definition of types and constants */" +.BR "#include " " /* Definition of " SYS_* " constants */" +.B #include .PP -.BI "int capget(cap_user_header_t " hdrp ", cap_user_data_t " datap ); -.BI "int capset(cap_user_header_t " hdrp ", const cap_user_data_t " datap ); +.BI "int syscall(SYS_capget, cap_user_header_t " hdrp , +.BI " cap_user_data_t " datap ); +.BI "int syscall(SYS_capset, cap_user_header_t " hdrp , +.BI " const cap_user_data_t " datap ); .fi -.PP -.IR Note : -There are no glibc wrappers for these system calls; see NOTES. .SH DESCRIPTION These two system calls are the raw kernel interface for getting and setting thread capabilities. @@ -40,7 +41,7 @@ The portable interfaces are .BR cap_set_proc (3) and .BR cap_get_proc (3); -if possible, you should use those interfaces in applications. +if possible, you should use those interfaces in applications; see NOTES. .\" .SS Current details Now that you have been warned, some current kernel details. @@ -239,9 +240,6 @@ No such thread. .SH CONFORMING TO These system calls are Linux-specific. .SH NOTES -Glibc does not provide a wrapper for this system call; call it using -.BR syscall (2). -.PP The portable interface to the capability querying and setting functions is provided by the .I libcap