Need an internal name for fork().
This commit is contained in:
kleink
parent
2234f31b26
commit
b8a4d7adf9
@ -1,4 +1,4 @@
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/* $NetBSD: fork.S,v 1.2 2000/06/14 06:49:03 cgd Exp $ */
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/* $NetBSD: fork.S,v 1.3 2000/06/26 06:32:54 kleink Exp $ */
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/*
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* Copyright (c) 1994, 1995 Carnegie-Mellon University.
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@ -29,7 +29,12 @@
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#include "SYS.h"
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SYSCALL(fork)
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(fork, _fork)
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#endif
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LEAF(_fork, 0)
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CALLSYS_ERROR(fork)
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cmovne a4, zero, v0 /* a4 (rv[1]) != 0, child */
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RET
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END(fork)
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@ -1,4 +1,4 @@
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/* $NetBSD: fork.S,v 1.1 2000/05/09 21:55:51 bjh21 Exp $ */
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/* $NetBSD: fork.S,v 1.2 2000/06/26 06:32:56 kleink Exp $ */
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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@ -37,7 +37,11 @@
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#include "SYS.h"
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SYSCALL(fork)
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(fork, _fork)
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#endif
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_SYSCALL(_fork,fork)
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sub r1, r1, #0x00000001
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and r0, r0, r1
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#ifdef __APCS_26__
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@ -1,4 +1,4 @@
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/* $NetBSD: fork.S,v 1.3 1997/10/06 00:07:13 mark Exp $ */
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/* $NetBSD: fork.S,v 1.4 2000/06/26 06:32:56 kleink Exp $ */
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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@ -37,7 +37,11 @@
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#include "SYS.h"
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SYSCALL(fork)
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(fork, _fork)
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#endif
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_SYSCALL(_fork,fork)
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sub r1, r1, #0x00000001
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and r0, r0, r1
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mov r15, r14
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@ -1,4 +1,4 @@
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/* $NetBSD: fork.S,v 1.6 1997/07/16 14:37:30 christos Exp $ */
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/* $NetBSD: fork.S,v 1.7 2000/06/26 06:32:57 kleink Exp $ */
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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@ -40,12 +40,16 @@
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#include <machine/asm.h>
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#if defined(SYSLIBC_SCCS) && !defined(lint)
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RCSID("$NetBSD: fork.S,v 1.6 1997/07/16 14:37:30 christos Exp $")
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RCSID("$NetBSD: fork.S,v 1.7 2000/06/26 06:32:57 kleink Exp $")
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#endif /* SYSLIBC_SCCS and not lint */
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#include "SYS.h"
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SYSCALL(fork)
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(fork, _fork)
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#endif
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_SYSCALL(_fork,fork)
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decl %edx /* from 1 to 0 in child, 0 to -1 in parent */
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andl %edx,%eax
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ret /* pid = fork(); */
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@ -1,4 +1,4 @@
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/* $NetBSD: fork.S,v 1.4 1999/10/25 23:48:17 thorpej Exp $ */
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/* $NetBSD: fork.S,v 1.5 2000/06/26 06:32:58 kleink Exp $ */
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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@ -43,11 +43,15 @@
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#if 0
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RCSID("from: @(#)fork.s 5.1 (Berkeley) 5/12/90")
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#else
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RCSID("$NetBSD: fork.S,v 1.4 1999/10/25 23:48:17 thorpej Exp $")
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RCSID("$NetBSD: fork.S,v 1.5 2000/06/26 06:32:58 kleink Exp $")
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#endif
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#endif /* LIBC_SCCS and not lint */
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SYSCALL(fork)
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(fork, _fork)
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#endif
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_SYSCALL(_fork,fork)
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subql #1,%d1 /* from 1 to 0 in child, 0 to -1 in parent */
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andl %d1,%d0
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rts /* pid = fork() */
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@ -1,4 +1,4 @@
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/* $NetBSD: fork.S,v 1.6 1999/01/14 22:48:21 kleink Exp $ */
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/* $NetBSD: fork.S,v 1.7 2000/06/26 06:32:58 kleink Exp $ */
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/*-
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* Copyright (c) 1991, 1993
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@ -40,14 +40,18 @@
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#if defined(LIBC_SCCS) && !defined(lint)
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ASMSTR("from: @(#)fork.s 8.1 (Berkeley) 6/4/93")
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ASMSTR("$NetBSD: fork.S,v 1.6 1999/01/14 22:48:21 kleink Exp $")
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ASMSTR("$NetBSD: fork.S,v 1.7 2000/06/26 06:32:58 kleink Exp $")
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#endif /* LIBC_SCCS and not lint */
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#ifdef ABICALLS
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.abicalls
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#endif
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LEAF(fork)
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(fork, _fork)
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#endif
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LEAF(_fork)
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#ifdef ABICALLS
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.set noreorder
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.cpload t9
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@ -1,4 +1,4 @@
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/* $NetBSD: fork.S,v 1.3 1997/05/08 13:39:04 matthias Exp $ */
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/* $NetBSD: fork.S,v 1.4 2000/06/26 06:33:01 kleink Exp $ */
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/*
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* Copyright (c) 1992 Helsinki University of Technology
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@ -24,12 +24,12 @@
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#include "SYS.h"
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#if defined(LIBC_SCCS)
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RCSID("$NetBSD: fork.S,v 1.3 1997/05/08 13:39:04 matthias Exp $")
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RCSID("$NetBSD: fork.S,v 1.4 2000/06/26 06:33:01 kleink Exp $")
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#endif
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/* r0 = pid. r1 = 0 in parent, 1 in child */
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SYSCALL(fork)
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_SYSCALL(_fork,fork)
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cmpqd 0,r1
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beq 0f
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movqd 0,r0
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@ -1,4 +1,4 @@
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/* $NetBSD: fork.S,v 1.2 1998/05/25 15:28:03 ws Exp $ */
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/* $NetBSD: fork.S,v 1.3 2000/06/26 06:33:01 kleink Exp $ */
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/*
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* pid = fork();
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@ -9,7 +9,11 @@
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#include "SYS.h"
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SYSCALL(fork)
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(fork, _fork)
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#endif
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_SYSCALL(_fork,fork)
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addi 4,4,-1 # from 1 to 0 in child, 0 to -1 in parent
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and 3,3,4 # return 0 in child, pid in parent
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blr
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@ -1,4 +1,4 @@
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/* $NetBSD: fork.S,v 1.2 2000/03/27 16:27:16 msaitoh Exp $ */
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/* $NetBSD: fork.S,v 1.3 2000/06/26 06:33:02 kleink Exp $ */
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/*-
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* Copyright (c) 1990 The Regents of the University of California.
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@ -40,17 +40,21 @@
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#include <machine/asm.h>
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#if defined(SYSLIBC_SCCS) && !defined(lint)
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RCSID("$NetBSD: fork.S,v 1.2 2000/03/27 16:27:16 msaitoh Exp $")
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RCSID("$NetBSD: fork.S,v 1.3 2000/06/26 06:33:02 kleink Exp $")
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#endif /* SYSLIBC_SCCS and not lint */
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#include "SYS.h"
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(fork, _fork)
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#endif
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.text
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.align 2
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2: mov.l 1f, r3
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jmp @r3
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nop
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_SYSCALL_NOERROR(fork,fork)
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_SYSCALL_NOERROR(_fork,fork)
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bf 2b
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bra 3f
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nop
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@ -62,8 +66,8 @@
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and r1,r0
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#if 0
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SYSCALL(fork)
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_SYSCALL(_fork,fork)
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decl %edx /* from 1 to 0 in child, 0 to -1 in parent */
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andl %edx,%eax
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ret /* pid = fork(); */
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#endif
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#endif
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@ -1,4 +1,4 @@
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/* $NetBSD: fork.S,v 1.2 1997/07/16 14:37:56 christos Exp $ */
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/* $NetBSD: fork.S,v 1.3 2000/06/26 06:33:03 kleink Exp $ */
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/*
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* Copyright (c) 1992, 1993
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@ -44,13 +44,17 @@
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#if 0
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.asciz "@(#)fork.s 8.1 (Berkeley) 6/4/93"
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#else
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RCSID("$NetBSD: fork.S,v 1.2 1997/07/16 14:37:56 christos Exp $")
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RCSID("$NetBSD: fork.S,v 1.3 2000/06/26 06:33:03 kleink Exp $")
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#endif
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#endif /* SYSLIBC_SCCS and not lint */
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#include "SYS.h"
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SYSCALL(fork)
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(fork, _fork)
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#endif
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_SYSCALL(_fork,fork)
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dec %o1 ! from 1 to 0 in child, 0 to -1 in parent
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retl
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and %o0, %o1, %o0 ! return 0 in child, pid in parent
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and %o0, %o1, %o0 ! return 0 in child, pid in parent
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@ -1,4 +1,4 @@
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/* $NetBSD: fork.S,v 1.1 1998/09/11 04:56:34 eeh Exp $ */
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/* $NetBSD: fork.S,v 1.2 2000/06/26 06:33:03 kleink Exp $ */
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/*
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* Copyright (c) 1992, 1993
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@ -44,13 +44,17 @@
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#if 0
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.asciz "@(#)fork.s 8.1 (Berkeley) 6/4/93"
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#else
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RCSID("$NetBSD: fork.S,v 1.1 1998/09/11 04:56:34 eeh Exp $")
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RCSID("$NetBSD: fork.S,v 1.2 2000/06/26 06:33:03 kleink Exp $")
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#endif
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#endif /* SYSLIBC_SCCS and not lint */
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#include "SYS.h"
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SYSCALL(fork)
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(fork, _fork)
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#endif
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_SYSCALL(_fork,fork)
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dec %o1 ! from 1 to 0 in child, 0 to -1 in parent
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retl
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and %o0, %o1, %o0 ! return 0 in child, pid in parent
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and %o0, %o1, %o0 ! return 0 in child, pid in parent
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@ -33,12 +33,16 @@
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#if defined(SYSLIBC_SCCS) && !defined(lint)
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/* .asciz "@(#)fork.s 8.1 (Berkeley) 6/4/93" */
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.asciz "$NetBSD: fork.S,v 1.1 1995/04/17 12:24:01 ragge Exp $"
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.asciz "$NetBSD: fork.S,v 1.2 2000/06/26 06:33:04 kleink Exp $"
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#endif /* SYSLIBC_SCCS and not lint */
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#include "SYS.h"
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SYSCALL(fork)
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#ifdef WEAK_ALIAS
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WEAK_ALIAS(fork, _fork)
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#endif
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_SYSCALL(_fork,fork)
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jlbc r1,1f # parent, since r1 == 0 in parent, 1 in child
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clrl r0
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1:
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@ -1,4 +1,4 @@
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/* $NetBSD: namespace.h,v 1.53 2000/06/23 15:40:40 kleink Exp $ */
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/* $NetBSD: namespace.h,v 1.54 2000/06/26 06:33:04 kleink Exp $ */
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/*-
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* Copyright (c) 1997, 1998 The NetBSD Foundation, Inc.
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@ -44,6 +44,7 @@
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#define catopen _catopen
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#define err _err
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#define errx _errx
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#define fork _fork
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#define inet_aton _inet_aton
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#define inet_pton _inet_pton
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#define sbrk _sbrk
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@ -1,4 +1,4 @@
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# $NetBSD: Makefile.inc,v 1.103 2000/06/23 15:40:40 kleink Exp $
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# $NetBSD: Makefile.inc,v 1.104 2000/06/26 06:33:05 kleink Exp $
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# @(#)Makefile.inc 8.3 (Berkeley) 10/24/94
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# sys sources
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@ -35,7 +35,7 @@ SRCS+= timer_create.c timer_delete.c timer_gettime.c timer_settime.c \
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timer_getoverrun.c
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# namespace purity wrappers
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SRCS+= _brk.c _sbrk.c
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SRCS+= _brk.c _fork.c _sbrk.c
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# modules with default implementations on all architectures:
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ASM= accept.o access.o acct.o adjtime.o bind.o chdir.o chflags.o \
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46
lib/libc/sys/_fork.c
Normal file
46
lib/libc/sys/_fork.c
Normal file
@ -0,0 +1,46 @@
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/* $NetBSD: _fork.c,v 1.1 2000/06/26 06:33:05 kleink Exp $ */
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/*
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* Copyright (c) 1996 Christos Zoulas. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christos Zoulas.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifdef __indr_reference
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__indr_reference(_fork, fork)
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#else
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#include <unistd.h>
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pid_t _fork __P((void)); /* XXX */
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pid_t
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fork()
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{
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return _fork();
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}
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#endif
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