Mercurial > octave-nkf
annotate liboctave/util/unwind-prot.h @ 17769:49a5a4be04a1
maint: Use GNU style coding conventions for code in liboctave/
* liboctave/array/Array-C.cc, liboctave/array/Array-b.cc,
liboctave/array/Array-ch.cc, liboctave/array/Array-d.cc,
liboctave/array/Array-f.cc, liboctave/array/Array-fC.cc,
liboctave/array/Array-util.cc, liboctave/array/Array-util.h,
liboctave/array/Array.cc, liboctave/array/Array.h, liboctave/array/Array3.h,
liboctave/array/CColVector.cc, liboctave/array/CColVector.h,
liboctave/array/CDiagMatrix.cc, liboctave/array/CDiagMatrix.h,
liboctave/array/CMatrix.cc, liboctave/array/CMatrix.h,
liboctave/array/CNDArray.cc, liboctave/array/CNDArray.h,
liboctave/array/CRowVector.cc, liboctave/array/CRowVector.h,
liboctave/array/CSparse.cc, liboctave/array/CSparse.h,
liboctave/array/DiagArray2.h, liboctave/array/MArray.cc,
liboctave/array/MArray.h, liboctave/array/MDiagArray2.cc,
liboctave/array/MDiagArray2.h, liboctave/array/MSparse.cc,
liboctave/array/MSparse.h, liboctave/array/MatrixType.cc,
liboctave/array/MatrixType.h, liboctave/array/PermMatrix.h,
liboctave/array/Range.cc, liboctave/array/Range.h, liboctave/array/Sparse.cc,
liboctave/array/Sparse.h, liboctave/array/boolMatrix.cc,
liboctave/array/boolMatrix.h, liboctave/array/boolNDArray.cc,
liboctave/array/boolNDArray.h, liboctave/array/boolSparse.cc,
liboctave/array/boolSparse.h, liboctave/array/chMatrix.cc,
liboctave/array/chMatrix.h, liboctave/array/chNDArray.cc,
liboctave/array/chNDArray.h, liboctave/array/dColVector.h,
liboctave/array/dDiagMatrix.cc, liboctave/array/dDiagMatrix.h,
liboctave/array/dMatrix.cc, liboctave/array/dMatrix.h,
liboctave/array/dNDArray.cc, liboctave/array/dNDArray.h,
liboctave/array/dRowVector.h, liboctave/array/dSparse.cc,
liboctave/array/dSparse.h, liboctave/array/dim-vector.cc,
liboctave/array/dim-vector.h, liboctave/array/fCColVector.cc,
liboctave/array/fCColVector.h, liboctave/array/fCDiagMatrix.cc,
liboctave/array/fCDiagMatrix.h, liboctave/array/fCMatrix.cc,
liboctave/array/fCMatrix.h, liboctave/array/fCNDArray.cc,
liboctave/array/fCNDArray.h, liboctave/array/fCRowVector.cc,
liboctave/array/fCRowVector.h, liboctave/array/fColVector.h,
liboctave/array/fDiagMatrix.cc, liboctave/array/fDiagMatrix.h,
liboctave/array/fMatrix.cc, liboctave/array/fMatrix.h,
liboctave/array/fNDArray.cc, liboctave/array/fNDArray.h,
liboctave/array/fRowVector.h, liboctave/array/idx-vector.cc,
liboctave/array/idx-vector.h, liboctave/array/intNDArray.cc,
liboctave/array/intNDArray.h, liboctave/cruft/misc/blaswrap.c,
liboctave/cruft/misc/quit.cc, liboctave/numeric/CmplxCHOL.cc,
liboctave/numeric/CmplxCHOL.h, liboctave/numeric/CmplxGEPBAL.cc,
liboctave/numeric/CmplxGEPBAL.h, liboctave/numeric/CmplxHESS.h,
liboctave/numeric/CmplxLU.cc, liboctave/numeric/CmplxLU.h,
liboctave/numeric/CmplxQR.cc, liboctave/numeric/CmplxQRP.cc,
liboctave/numeric/CmplxQRP.h, liboctave/numeric/CmplxSCHUR.h,
liboctave/numeric/CmplxSVD.cc, liboctave/numeric/CmplxSVD.h,
liboctave/numeric/CollocWt.h, liboctave/numeric/DAE.h,
liboctave/numeric/DAEFunc.h, liboctave/numeric/DAERT.h,
liboctave/numeric/DAERTFunc.h, liboctave/numeric/DASPK.cc,
liboctave/numeric/DASRT.cc, liboctave/numeric/DASRT.h,
liboctave/numeric/DASSL.cc, liboctave/numeric/DET.h, liboctave/numeric/EIG.cc,
liboctave/numeric/EIG.h, liboctave/numeric/LSODE.cc, liboctave/numeric/ODE.h,
liboctave/numeric/ODEFunc.h, liboctave/numeric/ODES.h,
liboctave/numeric/ODESFunc.h, liboctave/numeric/Quad.cc,
liboctave/numeric/Quad.h, liboctave/numeric/SparseCmplxCHOL.h,
liboctave/numeric/SparseCmplxLU.cc, liboctave/numeric/SparseCmplxLU.h,
liboctave/numeric/SparseCmplxQR.cc, liboctave/numeric/SparseCmplxQR.h,
liboctave/numeric/SparseQR.cc, liboctave/numeric/SparseQR.h,
liboctave/numeric/SparsedbleCHOL.h, liboctave/numeric/SparsedbleLU.cc,
liboctave/numeric/SparsedbleLU.h, liboctave/numeric/base-aepbal.h,
liboctave/numeric/base-dae.h, liboctave/numeric/base-de.h,
liboctave/numeric/base-lu.cc, liboctave/numeric/base-lu.h,
liboctave/numeric/base-min.h, liboctave/numeric/base-qr.h,
liboctave/numeric/bsxfun.h, liboctave/numeric/dbleCHOL.cc,
liboctave/numeric/dbleCHOL.h, liboctave/numeric/dbleGEPBAL.h,
liboctave/numeric/dbleHESS.h, liboctave/numeric/dbleLU.cc,
liboctave/numeric/dbleLU.h, liboctave/numeric/dbleQR.cc,
liboctave/numeric/dbleQRP.cc, liboctave/numeric/dbleQRP.h,
liboctave/numeric/dbleSCHUR.cc, liboctave/numeric/dbleSCHUR.h,
liboctave/numeric/dbleSVD.cc, liboctave/numeric/dbleSVD.h,
liboctave/numeric/eigs-base.cc, liboctave/numeric/fCmplxAEPBAL.cc,
liboctave/numeric/fCmplxAEPBAL.h, liboctave/numeric/fCmplxCHOL.cc,
liboctave/numeric/fCmplxCHOL.h, liboctave/numeric/fCmplxGEPBAL.cc,
liboctave/numeric/fCmplxGEPBAL.h, liboctave/numeric/fCmplxHESS.h,
liboctave/numeric/fCmplxLU.cc, liboctave/numeric/fCmplxLU.h,
liboctave/numeric/fCmplxQR.cc, liboctave/numeric/fCmplxQR.h,
liboctave/numeric/fCmplxQRP.cc, liboctave/numeric/fCmplxQRP.h,
liboctave/numeric/fCmplxSCHUR.cc, liboctave/numeric/fCmplxSCHUR.h,
liboctave/numeric/fCmplxSVD.h, liboctave/numeric/fEIG.cc,
liboctave/numeric/fEIG.h, liboctave/numeric/floatCHOL.cc,
liboctave/numeric/floatCHOL.h, liboctave/numeric/floatGEPBAL.cc,
liboctave/numeric/floatGEPBAL.h, liboctave/numeric/floatHESS.h,
liboctave/numeric/floatLU.cc, liboctave/numeric/floatLU.h,
liboctave/numeric/floatQR.cc, liboctave/numeric/floatQRP.cc,
liboctave/numeric/floatQRP.h, liboctave/numeric/floatSCHUR.cc,
liboctave/numeric/floatSCHUR.h, liboctave/numeric/floatSVD.cc,
liboctave/numeric/floatSVD.h, liboctave/numeric/lo-mappers.cc,
liboctave/numeric/lo-mappers.h, liboctave/numeric/lo-specfun.cc,
liboctave/numeric/lo-specfun.h, liboctave/numeric/oct-convn.cc,
liboctave/numeric/oct-fftw.cc, liboctave/numeric/oct-fftw.h,
liboctave/numeric/oct-norm.cc, liboctave/numeric/oct-rand.cc,
liboctave/numeric/oct-rand.h, liboctave/numeric/randgamma.c,
liboctave/numeric/randgamma.h, liboctave/numeric/randmtzig.c,
liboctave/numeric/randpoisson.c, liboctave/numeric/randpoisson.h,
liboctave/numeric/sparse-base-chol.h, liboctave/numeric/sparse-base-lu.h,
liboctave/numeric/sparse-dmsolve.cc, liboctave/operators/Sparse-diag-op-defs.h,
liboctave/operators/Sparse-op-defs.h, liboctave/operators/mx-inlines.cc,
liboctave/system/dir-ops.h, liboctave/system/file-ops.cc,
liboctave/system/file-stat.cc, liboctave/system/file-stat.h,
liboctave/system/lo-sysdep.cc, liboctave/system/lo-sysdep.h,
liboctave/system/mach-info.cc, liboctave/system/mach-info.h,
liboctave/system/oct-env.cc, liboctave/system/oct-group.cc,
liboctave/system/oct-syscalls.cc, liboctave/system/oct-syscalls.h,
liboctave/system/oct-time.h, liboctave/system/tempname.c,
liboctave/util/action-container.h, liboctave/util/base-list.h,
liboctave/util/cmd-edit.cc, liboctave/util/cmd-edit.h,
liboctave/util/cmd-hist.cc, liboctave/util/cmd-hist.h,
liboctave/util/data-conv.cc, liboctave/util/data-conv.h,
liboctave/util/kpse.cc, liboctave/util/lo-array-gripes.cc,
liboctave/util/lo-cieee.c, liboctave/util/lo-regexp.cc,
liboctave/util/lo-utils.cc, liboctave/util/oct-alloc.cc,
liboctave/util/oct-base64.cc, liboctave/util/oct-binmap.h,
liboctave/util/oct-cmplx.h, liboctave/util/oct-glob.cc,
liboctave/util/oct-inttypes.cc, liboctave/util/oct-inttypes.h,
liboctave/util/oct-locbuf.cc, liboctave/util/oct-locbuf.h,
liboctave/util/oct-mem.h, liboctave/util/oct-mutex.cc,
liboctave/util/oct-refcount.h, liboctave/util/oct-shlib.cc,
liboctave/util/oct-shlib.h, liboctave/util/oct-sort.cc,
liboctave/util/oct-sort.h, liboctave/util/pathsearch.cc,
liboctave/util/pathsearch.h, liboctave/util/sparse-util.cc,
liboctave/util/str-vec.cc, liboctave/util/str-vec.h,
liboctave/util/unwind-prot.h, liboctave/util/url-transfer.cc,
liboctave/util/url-transfer.h: Use GNU style coding conventions.
| author | Rik <rik@octave.org> |
|---|---|
| date | Sat, 26 Oct 2013 18:57:05 -0700 |
| parents | d63878346099 |
| children | 14a5493a78c8 |
| rev | line source |
|---|---|
| 1 | 1 /* |
| 2 | |
|
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3 Copyright (C) 1993-2013 John W. Eaton |
| 11523 | 4 Copyright (C) 2009-2010 VZLU Prague |
| 1 | 5 |
| 6 This file is part of Octave. | |
| 7 | |
| 8 Octave is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 7016 | 10 Free Software Foundation; either version 3 of the License, or (at your |
| 11 option) any later version. | |
| 1 | 12 |
| 13 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 7016 | 19 along with Octave; see the file COPYING. If not, see |
| 20 <http://www.gnu.org/licenses/>. | |
| 1 | 21 |
| 22 */ | |
| 23 | |
| 383 | 24 #if !defined (octave_unwind_prot_h) |
| 25 #define octave_unwind_prot_h 1 | |
| 1 | 26 |
|
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27 #include <cstddef> |
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28 |
| 15396 | 29 #include <stack> |
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30 #include <memory> |
| 240 | 31 |
| 15396 | 32 #include "action-container.h" |
| 33 | |
| 2985 | 34 class |
| 6109 | 35 OCTINTERP_API |
| 15396 | 36 unwind_protect : public action_container |
| 2985 | 37 { |
| 38 public: | |
| 39 | |
| 15396 | 40 unwind_protect (void) : lifo () { } |
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41 |
| 15396 | 42 // Destructor should not raise an exception, so all actions |
| 43 // registered should be exception-safe (but setting error_state is | |
| 44 // allowed). If you're not sure, see unwind_protect_safe. | |
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45 |
| 15396 | 46 ~unwind_protect (void) { run (); } |
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47 |
| 15396 | 48 virtual void add (elem *new_elem) |
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49 { |
| 15396 | 50 lifo.push (new_elem); |
| 51 } | |
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52 |
| 15396 | 53 void add (void (*fcn) (void *), void *ptr = 0) GCC_ATTR_DEPRECATED |
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54 { |
| 15396 | 55 add (new fcn_arg_elem<void *> (fcn, ptr)); |
| 56 } | |
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57 |
| 15396 | 58 operator bool (void) const { return ! empty (); } |
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59 |
| 15396 | 60 void run_top (void) GCC_ATTR_DEPRECATED { run_first (); } |
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61 |
| 15396 | 62 void run_first (void) |
| 63 { | |
| 64 if (! empty ()) | |
| 65 { | |
| 66 // No leak on exception! | |
| 67 std::auto_ptr<elem> ptr (lifo.top ()); | |
| 68 lifo.pop (); | |
| 69 ptr->run (); | |
| 70 } | |
| 71 } | |
|
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72 |
| 15396 | 73 void run_top (int num) GCC_ATTR_DEPRECATED { run (num); } |
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74 |
| 15396 | 75 void discard_top (void) GCC_ATTR_DEPRECATED { discard_first (); } |
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76 |
| 15396 | 77 void discard_first (void) |
| 78 { | |
| 79 if (! empty ()) | |
| 80 { | |
| 81 elem *ptr = lifo.top (); | |
| 82 lifo.pop (); | |
| 83 delete ptr; | |
| 84 } | |
| 85 } | |
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86 |
| 15396 | 87 void discard_top (int num) GCC_ATTR_DEPRECATED { discard (num); } |
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88 |
| 15396 | 89 size_t size (void) const { return lifo.size (); } |
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90 |
| 15396 | 91 protected: |
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92 |
| 15396 | 93 std::stack<elem *> lifo; |
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94 |
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95 private: |
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96 |
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97 // No copying! |
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98 |
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99 unwind_protect (const unwind_protect&); |
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100 |
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101 unwind_protect& operator = (const unwind_protect&); |
| 2985 | 102 }; |
| 103 | |
| 15396 | 104 // Like unwind_protect, but this one will guard against the |
| 105 // possibility of seeing an exception (or interrupt) in the cleanup | |
| 106 // actions. Not that we can do much about it, but at least we won't | |
| 107 // crash. | |
| 2985 | 108 |
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109 class |
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110 OCTINTERP_API |
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111 unwind_protect_safe : public unwind_protect |
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112 { |
| 15396 | 113 private: |
| 114 | |
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115 static void gripe_exception (void); |
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116 |
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117 public: |
| 15396 | 118 |
| 119 unwind_protect_safe (void) : unwind_protect () { } | |
| 120 | |
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121 ~unwind_protect_safe (void) |
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122 { |
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123 while (! empty ()) |
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124 { |
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125 try |
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126 { |
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127 run_first (); |
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128 } |
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129 catch (...) // Yes, the black hole. Remember we're in a dtor. |
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130 { |
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131 gripe_exception (); |
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132 } |
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133 } |
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134 } |
| 15396 | 135 |
| 136 private: | |
| 137 | |
| 138 // No copying! | |
| 139 | |
| 140 unwind_protect_safe (const unwind_protect_safe&); | |
| 141 | |
| 142 unwind_protect_safe& operator = (const unwind_protect_safe&); | |
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Jaroslav Hajek <highegg@gmail.com>
parents:
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143 }; |
| 2985 | 144 |
| 1 | 145 #endif |