/usr/share/gnu-smalltalk/kernel/CCallback.st is in gnu-smalltalk-common 3.2.4-2.1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | "======================================================================
|
| CCallbackDescriptor Method Definitions
|
|
======================================================================"
"======================================================================
|
| Copyright 2008, 2009 Free Software Foundation, Inc.
| Written by Paolo Bonzini.
|
| This file is part of the GNU Smalltalk class library.
|
| The GNU Smalltalk class 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, or (at
| your option) any later version.
|
| The GNU Smalltalk class 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 Smalltalk class library; see the file COPYING.LIB.
| If not, write to the Free Software Foundation, 59 Temple Place - Suite
| 330, Boston, MA 02110-1301, USA.
|
======================================================================"
CCallable subclass: CCallbackDescriptor [
| block |
<shape: #inherit>
<category: 'Language-C interface'>
<comment: 'I am not part of the Smalltalk definition. My instances are
able to convert blocks into C functions that can be passed to C.'>
CCallbackDescriptor class >> for: aBlock returning: returnTypeSymbol withArgs: argsArray [
"Answer a CCallbackDescriptor with the given block, return type and
arguments."
<category: 'instance creation'>
^(super for: nil returning: returnTypeSymbol withArgs: argsArray)
block: aBlock;
link;
yourself
]
block [
"Answer the block of the function represented by the receiver."
<category: 'accessing'>
^block
]
block: aBlock [
"Set the block of the function represented by the receiver."
<category: 'accessing'>
block := aBlock
]
link [
"Make the address of the function point to the registered address."
<category: 'restoring'>
<primitive: VMpr_CCallbackDescriptor_link>
"Always executed."
self addToBeFinalized
]
]
|