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Mon, 10 May 2021 10:56:29 -0700 (PDT) From: Alejandro Colomar To: mtk.manpages@gmail.com Cc: Florian Weimer , Jakub Wilk , Alejandro Colomar , linux-man@vger.kernel.org, libc-alpha@sourceware.org Subject: [PATCH 09/39] ipc.2: Use syscall(SYS_...); for system calls without a wrapper Date: Mon, 10 May 2021 19:55:18 +0200 Message-Id: <20210510175546.28445-10-alx.manpages@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210510175546.28445-1-alx.manpages@gmail.com> References: <20210510175546.28445-1-alx.manpages@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-man@vger.kernel.org Signed-off-by: Alejandro Colomar --- man2/ipc.2 | 18 +++++++++++------- 1 file changed, 11 insertions(+), 7 deletions(-) diff --git a/man2/ipc.2 b/man2/ipc.2 index c0ba4651f..f505fa1c9 100644 --- a/man2/ipc.2 +++ b/man2/ipc.2 @@ -27,12 +27,20 @@ ipc \- System V IPC system calls .SH SYNOPSIS .nf -.BI "int ipc(unsigned int " call ", int " first ", unsigned long " second , -.BI " unsigned long " third ", void *" ptr ", long " fifth ); +.BR "#include " " /* Definition of " SYS_* " constants */" +.B #include +.PP +.BI "int syscall(SYS_ipc, unsigned int " call ", int " first , +.BI " unsigned long " second ", unsigned long " third \ +", void *" ptr , +.BI " long " fifth ); .fi .PP .IR Note : -There is no glibc wrapper for this system call; see NOTES. +glibc provides no wrapper for +.BR ipc (), +necessitating the use of +.BR syscall (2). .SH DESCRIPTION .BR ipc () is a common kernel entry point for the System\ V IPC calls @@ -56,10 +64,6 @@ system call; instead, .BR semctl (2), .BR shmctl (2), and so on really are implemented as separate system calls. -.PP -Glibc does not provide a wrapper for this system call; -in the unlikely event that you want to call it directly, you can do so using -.BR syscall (2). .SH SEE ALSO .BR msgctl (2), .BR msgget (2), -- 2.31.1