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bdcebfc4c7
* io/Makefile (routines): Add dup3 and pipe2. * io/Versions [glibc] (GLIBC_2.9): Add dup3 and pipe2. * io/dup3.c: New file. * io/pipe2.c: New file. * posix/unistd.h: Declare dup3 and pipe2. * socket/Makefile (routines): Add paccept. * socket/Versions [glibc] (GLIBC_2.9): Add paccept. * socket/paccept.c: New file. * socket/sys/socket.h: Declare paccept. * sysdeps/unix/syscalls.list: Add entry for dup3. * sysdeps/unix/sysv/linux/Versions [glibc] (GLIBC_2.9): Add epoll_create2 and inotify_init1. * sysdeps/unix/sysv/linux/eventfd.c: Use eventfd1 syscall if possible. * sysdeps/unix/sysv/linux/paccept.c: New file. * sysdeps/unix/sysv/linux/signalfd.c: Use signalfd4 syscall if possible. * sysdeps/unix/sysv/linux/socketcall.h: Add SOCKOP_paccept. * sysdeps/unix/sysv/linux/syscalls.list: Add epoll_create2, inotify_init1, and pipe2 entries. * sysdeps/unix/sysv/linux/alpha/sys/epoll.h: New file. * sysdeps/unix/sysv/linux/alpha/sys/eventfd.h: New file. * sysdeps/unix/sysv/linux/alpha/sys/inotify.h: New file. * sysdeps/unix/sysv/linux/alpha/sys/signalfd.h: New file. * sysdeps/unix/sysv/linux/alpha/sys/timerfd.h: New file. * sysdeps/unix/sysv/linux/bits/socket.h: Define SOCK_CLOEXEC and SOCK_NONBLOCK. * sysdeps/unix/sysv/linux/i386/paccept.S: New file. * sysdeps/unix/sysv/linux/sparc/sys/epoll.h: New file. * sysdeps/unix/sysv/linux/sparc/sys/eventfd.h: New file. * sysdeps/unix/sysv/linux/sparc/sys/inotify.h: New file. * sysdeps/unix/sysv/linux/sparc/sys/signalfd.h: New file. * sysdeps/unix/sysv/linux/sparc/sys/timerfd.h: New file. * sysdeps/unix/sysv/linux/sparc/bits/socket.h: New file. * sysdeps/unix/sysv/linux/sys/epoll.h: Define EPOLL_CLOEXEC and EPOLL_NONBLOCK. Declare epoll_create2. * sysdeps/unix/sysv/linux/sys/eventfd.h: Define EFD_CLOEXEC and EFD_NONBLOCK. * sysdeps/unix/sysv/linux/sys/inotify.h: Define IN_CLOEXEC and IN_NONBLOCK. Declare inotify_init1. * sysdeps/unix/sysv/linux/sys/signalfd.h: Define SFD_CLOEXEC and SFD_NONBLOCK. * sysdeps/unix/sysv/linux/sys/timerfd.h: Define TFD_CLOEXEC and TFD_NONBLOCK.
136 lines
3.1 KiB
ArmAsm
136 lines
3.1 KiB
ArmAsm
/* Copyright (C) 1995-1998,2002,2003,2005,2008 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <sysdep-cancel.h>
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#include <socketcall.h>
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#include <tls.h>
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#define _NSIG 64
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#define P(a, b) P2(a, b)
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#define P2(a, b) a##b
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.text
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/* The socket-oriented system calls are handled unusally in Linux.
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They are all gated through the single `socketcall' system call number.
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`socketcall' takes two arguments: the first is the subcode, specifying
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which socket function is being called; and the second is a pointer to
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the arguments to the specific function. */
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ENTRY(do_paccept)
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#ifdef SOCKOP_paccept
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subl $6*4, %esp
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cfi_adjust_cfa_offset(6*4)
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movl (%eax), %ecx
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movl %ecx, (%esp)
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movl 4(%eax), %ecx
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movl %ecx, 4(%esp)
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movl 8(%eax), %ecx
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movl %ecx, 8(%esp)
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movl 12(%eax), %ecx
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movl %ecx, 12(%esp)
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movl $(_NSIG / 8), 16(%esp)
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movl 16(%eax), %ecx
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movl %ecx, 20(%esp)
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movl $SYS_ify(socketcall), %eax /* System call number in %eax. */
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movl $SOCKOP_paccept, %ebx /* Subcode is first arg to syscall. */
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movl %esp, %ecx /* Address of args is 2nd arg. */
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/* Do the system call trap. */
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ENTER_KERNEL
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addl $6*4, %esp
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cfi_adjust_cfa_offset(-6*4)
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/* %eax is < 0 if there was an error. */
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cmpl $-125, %eax
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jae SYSCALL_ERROR_LABEL
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#else
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movl $-ENOSYS, %eax
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jmp SYSCALL_ERROR_LABEL
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.section .gnu.glibc-stub.paccept
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.previous
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.section .gnu.warning.paccept
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.string "warning: paccept is not implemented and will always fail"
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.previous
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#endif
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L(pseudo_end):
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ret
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PSEUDO_END(do_paccept)
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.globl paccept
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ENTRY (paccept)
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#ifdef CENABLE
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SINGLE_THREAD_P
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jne 1f
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#endif
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/* Save registers. */
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movl %ebx, %edx
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cfi_register (3, 2)
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lea 4(%esp), %eax
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call do_paccept
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/* Restore registers. */
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movl %edx, %ebx
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cfi_restore (3)
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ret
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#ifdef CENABLE
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/* We need one more register. */
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1: pushl %esi
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cfi_adjust_cfa_offset(4)
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/* Enable asynchronous cancellation. */
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CENABLE
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movl %eax, %esi
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cfi_offset(6, -8) /* %esi */
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/* Save registers. */
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movl %ebx, %edx
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cfi_register (3, 2)
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lea 8(%esp), %eax
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call do_paccept
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/* Restore registers. */
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movl %edx, %ebx
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cfi_restore (3)
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/* Restore the cancellation. */
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xchgl %esi, %eax
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CDISABLE
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/* Restore registers. */
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movl %esi, %eax
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popl %esi
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cfi_restore (6)
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cfi_adjust_cfa_offset(-4)
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/* Successful; return the syscall's value. */
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ret
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#endif
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PSEUDO_END (paccept)
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