[04/17] Consolidate Linux msgrcv implementation

Message ID	1482847286-29933-5-git-send-email-adhemerval.zanella@linaro.org
State	New
Headers	show Return-Path: <libc-alpha-return-76356-incoming=patchwork.ozlabs.org@sourceware.org> DomainKey-Signature: a=rsa-sha1; c=nofws; d=sourceware.org; h=list-id :list-unsubscribe:list-subscribe:list-archive:list-post :list-help:sender:from:to:subject:date:message-id:in-reply-to :references; q=dns; s=default; b=eZkq5OHIyOqZSvDvKWojDlGvhI34cvK qDxmhpaQ4IN7xiEBLgIC2kwMgg75rxTTgSMnq91yfzw/xMzY4NYtpmSGJH9KyH2w mSxxKS9NU4d9IVVrBjbF7jb6Mar/NQorZgd6PCFJA4cqp/cNPbA8kEQUz74dq1Fw 9cnECTm2Xhqo= Mailing-List: contact libc-alpha-help@sourceware.org; run by ezmlm Precedence: bulk Sender: libc-alpha-owner@sourceware.org From: Adhemerval Zanella <adhemerval.zanella@linaro.org> To: libc-alpha@sourceware.org Subject: [PATCH 04/17] Consolidate Linux msgrcv implementation Date: Tue, 27 Dec 2016 12:01:13 -0200 Message-Id: <1482847286-29933-5-git-send-email-adhemerval.zanella@linaro.org> In-Reply-To: <1482847286-29933-1-git-send-email-adhemerval.zanella@linaro.org> References: <1482847286-29933-1-git-send-email-adhemerval.zanella@linaro.org>

diff --git a/sysdeps/unix/sysv/linux/alpha/syscalls.list b/sysdeps/unix/sysv/linux/alpha/syscalls.list index f82c9da..ddbd672 100644 --- a/sysdeps/unix/sysv/linux/alpha/syscalls.list +++ b/sysdeps/unix/sysv/linux/alpha/syscalls.list @@ -1,7 +1,6 @@ # File name Caller Syscall name # args Strong name Weak names msgget - msgget i:ii __msgget msgget -msgrcv - msgrcv Ci:ibnii __msgrcv msgrcv msgsnd - msgsnd Ci:ibni __msgsnd msgsnd shmat - osf_shmat i:ipi __shmat shmat oldshmctl EXTRA shmctl i:iip __old_shmctl shmctl@GLIBC_2.0 diff --git a/sysdeps/unix/sysv/linux/arm/syscalls.list b/sysdeps/unix/sysv/linux/arm/syscalls.list index 82402b1..297f7e7 100644 --- a/sysdeps/unix/sysv/linux/arm/syscalls.list +++ b/sysdeps/unix/sysv/linux/arm/syscalls.list @@ -24,7 +24,6 @@ personality EXTRA personality Ei:i __personality personality # Semaphore and shm system calls. msgctl, shmctl, and semctl have C # wrappers (to set __IPC_64). msgget - msgget i:ii __msgget msgget -msgrcv - msgrcv Ci:ibnii __msgrcv msgrcv msgsnd - msgsnd Ci:ibni __msgsnd msgsnd shmat - shmat i:ipi __shmat shmat shmdt - shmdt i:s __shmdt shmdt diff --git a/sysdeps/unix/sysv/linux/generic/syscalls.list b/sysdeps/unix/sysv/linux/generic/syscalls.list index dea452b..6869a48 100644 --- a/sysdeps/unix/sysv/linux/generic/syscalls.list +++ b/sysdeps/unix/sysv/linux/generic/syscalls.list @@ -2,7 +2,6 @@ # SysV APIs msgget - msgget i:ii __msgget msgget -msgrcv - msgrcv Ci:ibnii __msgrcv msgrcv msgsnd - msgsnd Ci:ibni __msgsnd msgsnd semget - semget i:iii __semget semget semctl - semctl i:iiii __semctl semctl diff --git a/sysdeps/unix/sysv/linux/hppa/syscalls.list b/sysdeps/unix/sysv/linux/hppa/syscalls.list index ead0e99..e4e40a0 100644 --- a/sysdeps/unix/sysv/linux/hppa/syscalls.list +++ b/sysdeps/unix/sysv/linux/hppa/syscalls.list @@ -2,7 +2,6 @@ # semaphore and shm system calls msgget - msgget i:ii __msgget msgget -msgrcv - msgrcv Ci:ibnii __msgrcv msgrcv msgsnd - msgsnd Ci:ibni __msgsnd msgsnd shmat - shmat i:ipi __shmat shmat shmctl - shmctl i:iip __shmctl shmctl diff --git a/sysdeps/unix/sysv/linux/ia64/syscalls.list b/sysdeps/unix/sysv/linux/ia64/syscalls.list index 8a66ca9..a60e615 100644 --- a/sysdeps/unix/sysv/linux/ia64/syscalls.list +++ b/sysdeps/unix/sysv/linux/ia64/syscalls.list @@ -6,7 +6,6 @@ getpriority - getpriority i:ii __getpriority getpriority # semaphore and shm system calls msgget - msgget i:ii __msgget msgget -msgrcv - msgrcv Ci:ibnii __msgrcv msgrcv msgsnd - msgsnd Ci:ibni __msgsnd msgsnd shmat - shmat i:ipi __shmat shmat shmctl - shmctl i:iip __shmctl shmctl diff --git a/sysdeps/unix/sysv/linux/microblaze/syscalls.list b/sysdeps/unix/sysv/linux/microblaze/syscalls.list index da0fd4e..99dc33b 100644 --- a/sysdeps/unix/sysv/linux/microblaze/syscalls.list +++ b/sysdeps/unix/sysv/linux/microblaze/syscalls.list @@ -9,7 +9,6 @@ personality EXTRA personality Ei:i __personality personality # Semaphore and shm system calls. msgctl, shmctl, and semctl have C # wrappers (to set __IPC_64). msgget - msgget i:ii __msgget msgget -msgrcv - msgrcv Ci:ibnii __msgrcv msgrcv msgsnd - msgsnd Ci:ibni __msgsnd msgsnd shmat - shmat i:ipi __shmat shmat shmdt - shmdt i:s __shmdt shmdt diff --git a/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list b/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list index d0d9b9a..07b421d 100644 --- a/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list +++ b/sysdeps/unix/sysv/linux/mips/mips64/syscalls.list @@ -3,7 +3,6 @@ # Semaphore and shm system calls. msgctl, shmctl, and semctl have C # wrappers (to set __IPC_64). msgget - msgget i:ii __msgget msgget -msgrcv - msgrcv Ci:ibnii __msgrcv msgrcv msgsnd - msgsnd Ci:ibni __msgsnd msgsnd shmat - shmat i:ipi __shmat shmat shmdt - shmdt i:s __shmdt shmdt diff --git a/sysdeps/unix/sysv/linux/msgrcv.c b/sysdeps/unix/sysv/linux/msgrcv.c index c4dd219..489d629 100644 --- a/sysdeps/unix/sysv/linux/msgrcv.c +++ b/sysdeps/unix/sysv/linux/msgrcv.c @@ -16,33 +16,19 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ -#include <errno.h> #include <sys/msg.h> #include <ipc_priv.h> - #include <sysdep-cancel.h> -#include <sys/syscall.h> - -/* Kludge to work around Linux' restriction of only up to five - arguments to a system call. */ -struct ipc_kludge - { - void *msgp; - long int msgtyp; - }; - ssize_t __libc_msgrcv (int msqid, void *msgp, size_t msgsz, long int msgtyp, int msgflg) { - /* The problem here is that Linux' calling convention only allows up to - fives parameters to a system call. */ - struct ipc_kludge tmp; - - tmp.msgp = msgp; - tmp.msgtyp = msgtyp; - - return SYSCALL_CANCEL (ipc, IPCOP_msgrcv, msqid, msgsz, msgflg, &tmp); +#ifdef __ASSUME_DIRECT_SYSVIPC_SYSCALLS + return SYSCALL_CANCEL (msgrcv, msqid, msgp, msgsz, msgtyp, msgflg); +#else + return SYSCALL_CANCEL (ipc, IPCOP_msgrcv, msqid, msgsz, msgflg, + MSGRCV_ARGS (msgp, msgtyp)); +#endif } weak_alias (__libc_msgrcv, msgrcv) diff --git a/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list b/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list index 808cbbb..59b93fe 100644 --- a/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list +++ b/sysdeps/unix/sysv/linux/s390/s390-64/syscalls.list @@ -2,7 +2,6 @@ # semaphore and shm system calls msgget - msgget i:ii __msgget msgget -msgrcv - msgrcv Ci:ibnii __msgrcv msgrcv msgsnd - msgsnd Ci:ibni __msgsnd msgsnd shmat - shmat i:ipi __shmat shmat shmctl - shmctl i:iip __shmctl shmctl diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/msgrcv.c b/sysdeps/unix/sysv/linux/sparc/sparc64/msgrcv.c deleted file mode 100644 index ccaa4ee..0000000 --- a/sysdeps/unix/sysv/linux/sparc/sparc64/msgrcv.c +++ /dev/null @@ -1,32 +0,0 @@ -/* Copyright (C) 2010-2016 Free Software Foundation, Inc. - This file is part of the GNU C Library. - - The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Lesser General Public - License as published by the Free Software Foundation; either - version 2.1 of the License, or (at your option) any later version. - - The GNU C Library is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Lesser General Public License for more details. - - You should have received a copy of the GNU Lesser General Public - License along with the GNU C Library; if not, see - <http://www.gnu.org/licenses/>. */ - -#include <errno.h> -#include <sys/msg.h> -#include <ipc_priv.h> - -#include <sysdep-cancel.h> -#include <sys/syscall.h> - -ssize_t -__libc_msgrcv (int msqid, void *msgp, size_t msgsz, long int msgtyp, - int msgflg) -{ - return SYSCALL_CANCEL (ipc, IPCOP_msgrcv, msqid, msgsz, msgflg, - msgp, msgtyp); -} -weak_alias (__libc_msgrcv, msgrcv) diff --git a/sysdeps/unix/sysv/linux/x86_64/syscalls.list b/sysdeps/unix/sysv/linux/x86_64/syscalls.list index 4d19d75..7192a96 100644 --- a/sysdeps/unix/sysv/linux/x86_64/syscalls.list +++ b/sysdeps/unix/sysv/linux/x86_64/syscalls.list @@ -3,7 +3,6 @@ arch_prctl EXTRA arch_prctl i:ii __arch_prctl arch_prctl modify_ldt EXTRA modify_ldt i:ipi __modify_ldt modify_ldt msgget - msgget i:ii __msgget msgget -msgrcv - msgrcv Ci:ibnii __msgrcv msgrcv msgsnd - msgsnd Ci:ibni __msgsnd msgsnd pread64 - pread64 Ci:ipii __libc_pread __libc_pread64 __pread64 pread64 __pread pread preadv64 - preadv Ci:ipii preadv64 preadv

[04/17] Consolidate Linux msgrcv implementation

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