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Add cancellation support.

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This commit is contained in:
Ulrich Drepper 2003-01-12 09:06:28 +00:00
parent 6ad3dd03b3
commit 191cbebf58
1 changed files with 39 additions and 2 deletions
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41
sysdeps/unix/sysv/linux/arm/socket.S
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@ -1,4 +1,4 @@
/* Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
/* Copyright (C) 1995, 1996, 1997, 1998, 2003 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
@ -16,7 +16,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <sysdep.h>
#include <sysdep-cancel.h>
#include <socketcall.h>
#define P(a, b) P2(a, b)
@ -53,6 +53,10 @@
#define NARGS 3 /* If we were called with no wrapper, this is really socket() */
#endif
#if defined NEED_CANCELLATION && defined CENABLE
PSEUDO_PROLOGUE
#endif
.globl __socket
ENTRY (__socket)
/* This code previously moved sp into ip and stored the args using
@ -68,6 +72,15 @@ ENTRY (__socket)
/* Push args onto the stack. */
P(PUSHARGS_,NARGS)
#if defined NEED_CANCELLATION && defined CENABLE
#ifdef PIC
SINGLE_THREAD_P_PIC(r3)
#else
SINGLE_THREAD_P
#endif
bne 1f
#endif
/* Do the system call trap. */
mov a1, $P(SOCKOP_,socket)
mov a2, sp
@ -81,6 +94,30 @@ ENTRY (__socket)
RETINSTR(movcc, pc, r14)
b PLTJMP(SYSCALL_ERROR)
#if defined NEED_CANCELLATION && defined CENABLE
1:
str lr, [sp, #-4]!
CENABLE
mov ip, r0
mov r0, #P(SOCKOP_,socket)
add r1, sp, #4
swi SYS_ify(socketcall)
str r0, [sp, #-4]!
mov r0, ip
CDISABLE
ldr r0, [sp], #4
ldr lr, [sp], #4
P(POPARGS_,NARGS)
/* r0 is < 0 if there was an error. */
cmn r0, $124
RETINSTR(movcc, pc, r14)
b PLTJMP(SYSCALL_ERROR)
#endif
PSEUDO_END (__socket)
weak_alias (__socket, socket)