Mercurial > octave
annotate liboctave/util/oct-mutex.cc @ 21202:f7121e111991
maint: indent #ifdef blocks in liboctave and src directories.
* Array-C.cc, Array-b.cc, Array-ch.cc, Array-d.cc, Array-f.cc, Array-fC.cc,
Array-i.cc, Array-idx-vec.cc, Array-s.cc, Array-str.cc, Array-util.cc,
Array-voidp.cc, Array.cc, CColVector.cc, CDiagMatrix.cc, CMatrix.cc,
CNDArray.cc, CRowVector.cc, CSparse.cc, CSparse.h, DiagArray2.cc, MArray-C.cc,
MArray-d.cc, MArray-f.cc, MArray-fC.cc, MArray-i.cc, MArray-s.cc, MArray.cc,
MDiagArray2.cc, MSparse-C.cc, MSparse-d.cc, MSparse.h, MatrixType.cc,
PermMatrix.cc, Range.cc, Sparse-C.cc, Sparse-b.cc, Sparse-d.cc, Sparse.cc,
boolMatrix.cc, boolNDArray.cc, boolSparse.cc, chMatrix.cc, chNDArray.cc,
dColVector.cc, dDiagMatrix.cc, dMatrix.cc, dNDArray.cc, dRowVector.cc,
dSparse.cc, dSparse.h, dim-vector.cc, fCColVector.cc, fCDiagMatrix.cc,
fCMatrix.cc, fCNDArray.cc, fCRowVector.cc, fColVector.cc, fDiagMatrix.cc,
fMatrix.cc, fNDArray.cc, fRowVector.cc, idx-vector.cc, int16NDArray.cc,
int32NDArray.cc, int64NDArray.cc, int8NDArray.cc, intNDArray.cc,
uint16NDArray.cc, uint32NDArray.cc, uint64NDArray.cc, uint8NDArray.cc,
blaswrap.c, cquit.c, f77-extern.cc, f77-fcn.c, f77-fcn.h, lo-error.c, quit.cc,
quit.h, CmplxAEPBAL.cc, CmplxCHOL.cc, CmplxGEPBAL.cc, CmplxHESS.cc, CmplxLU.cc,
CmplxQR.cc, CmplxQRP.cc, CmplxSCHUR.cc, CmplxSVD.cc, CollocWt.cc, DASPK.cc,
DASRT.cc, DASSL.cc, EIG.cc, LSODE.cc, ODES.cc, Quad.cc, base-lu.cc, base-qr.cc,
dbleAEPBAL.cc, dbleCHOL.cc, dbleGEPBAL.cc, dbleHESS.cc, dbleLU.cc, dbleQR.cc,
dbleQRP.cc, dbleSCHUR.cc, dbleSVD.cc, eigs-base.cc, fCmplxAEPBAL.cc,
fCmplxCHOL.cc, fCmplxGEPBAL.cc, fCmplxHESS.cc, fCmplxLU.cc, fCmplxQR.cc,
fCmplxQRP.cc, fCmplxSCHUR.cc, fCmplxSVD.cc, fEIG.cc, floatAEPBAL.cc,
floatCHOL.cc, floatGEPBAL.cc, floatHESS.cc, floatLU.cc, floatQR.cc,
floatQRP.cc, floatSCHUR.cc, floatSVD.cc, lo-mappers.cc, lo-specfun.cc,
oct-convn.cc, oct-fftw.cc, oct-fftw.h, oct-norm.cc, oct-rand.cc,
oct-spparms.cc, randgamma.c, randmtzig.c, randpoisson.c, sparse-chol.cc,
sparse-dmsolve.cc, sparse-lu.cc, sparse-qr.cc, mx-defs.h, dir-ops.cc,
file-ops.cc, file-stat.cc, lo-sysdep.cc, mach-info.cc, oct-env.cc,
oct-group.cc, oct-openmp.h, oct-passwd.cc, oct-syscalls.cc, oct-time.cc,
oct-uname.cc, pathlen.h, sysdir.h, syswait.h, cmd-edit.cc, cmd-hist.cc,
data-conv.cc, f2c-main.c, glob-match.cc, lo-array-errwarn.cc,
lo-array-gripes.cc, lo-cutils.c, lo-cutils.h, lo-ieee.cc, lo-math.h,
lo-regexp.cc, lo-utils.cc, oct-base64.cc, oct-glob.cc, oct-inttypes.cc,
oct-inttypes.h, oct-locbuf.cc, oct-mutex.cc, oct-refcount.h, oct-rl-edit.c,
oct-rl-hist.c, oct-shlib.cc, oct-sort.cc, pathsearch.cc, singleton-cleanup.cc,
sparse-sort.cc, sparse-util.cc, statdefs.h, str-vec.cc, unwind-prot.cc,
url-transfer.cc, display-available.h, main-cli.cc, main-gui.cc, main.in.cc,
mkoctfile.in.cc, octave-config.in.cc, shared-fcns.h:
indent #ifdef blocks in liboctave and src directories.
| author | Rik <rik@octave.org> |
|---|---|
| date | Sat, 06 Feb 2016 06:40:13 -0800 |
| parents | 4197fc428c7d |
| children | 40de9f8f23a6 |
| rev | line source |
|---|---|
| 7934 | 1 /* |
| 2 | |
|
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3 Copyright (C) 2008-2015 Michael Goffioul |
| 7934 | 4 |
| 5 This file is part of Octave. | |
| 6 | |
| 7 Octave is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 9 Free Software Foundation; either version 3 of the License, or (at your | |
| 10 option) any later version. | |
| 11 | |
| 12 Octave is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with Octave; see the file COPYING. If not, see | |
| 19 <http://www.gnu.org/licenses/>. | |
| 20 | |
| 21 */ | |
| 22 | |
| 23 #ifdef HAVE_CONFIG_H | |
|
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24 # include <config.h> |
| 7934 | 25 #endif |
| 26 | |
| 27 #include "oct-mutex.h" | |
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28 #include "lo-error.h" |
| 7934 | 29 |
| 30 #if defined (__WIN32__) && ! defined (__CYGWIN__) | |
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31 # include <windows.h> |
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32 #elif defined (HAVE_PTHREAD_H) |
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33 # include <pthread.h> |
| 7934 | 34 #endif |
| 35 | |
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36 void |
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37 octave_base_mutex::lock (void) |
| 7934 | 38 { |
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39 (*current_liboctave_error_handler) ("mutex not supported on this platform"); |
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40 } |
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42 void |
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43 octave_base_mutex::unlock (void) |
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44 { |
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45 (*current_liboctave_error_handler) ("mutex not supported on this platform"); |
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46 } |
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48 bool |
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49 octave_base_mutex::try_lock (void) |
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50 { |
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51 (*current_liboctave_error_handler) ("mutex not supported on this platform"); |
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52 |
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53 return false; |
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54 } |
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55 |
| 7934 | 56 #if defined (__WIN32__) && ! defined (__CYGWIN__) |
| 57 | |
| 58 class | |
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59 octave_w32_mutex : public octave_base_mutex |
| 7934 | 60 { |
| 61 public: | |
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62 octave_w32_mutex (void) |
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63 : octave_base_mutex () |
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64 { |
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65 InitializeCriticalSection (&cs); |
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66 } |
| 7934 | 67 |
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68 ~octave_w32_mutex (void) |
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69 { |
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70 DeleteCriticalSection (&cs); |
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71 } |
| 7934 | 72 |
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73 void lock (void) |
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74 { |
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75 EnterCriticalSection (&cs); |
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76 } |
| 7934 | 77 |
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78 void unlock (void) |
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79 { |
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80 LeaveCriticalSection (&cs); |
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81 } |
| 7934 | 82 |
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83 bool try_lock (void) |
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84 { |
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85 return (TryEnterCriticalSection (&cs) != 0); |
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86 } |
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87 |
| 7934 | 88 private: |
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89 CRITICAL_SECTION cs; |
| 7934 | 90 }; |
| 91 | |
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92 static DWORD octave_thread_id = 0; |
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93 |
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94 void |
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95 octave_thread::init (void) |
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96 { |
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97 octave_thread_id = GetCurrentThreadId (); |
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98 } |
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99 |
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100 bool |
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101 octave_thread::is_octave_thread (void) |
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102 { |
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103 return (GetCurrentThreadId () == octave_thread_id); |
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104 } |
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105 |
| 7934 | 106 #elif defined (HAVE_PTHREAD_H) |
| 107 | |
| 108 class | |
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109 octave_pthread_mutex : public octave_base_mutex |
| 7934 | 110 { |
| 111 public: | |
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112 octave_pthread_mutex (void) |
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113 : octave_base_mutex (), pm () |
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114 { |
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115 pthread_mutexattr_t attr; |
| 7934 | 116 |
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117 pthread_mutexattr_init (&attr); |
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118 pthread_mutexattr_settype (&attr, PTHREAD_MUTEX_RECURSIVE); |
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119 pthread_mutex_init (&pm, &attr); |
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120 pthread_mutexattr_destroy (&attr); |
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121 } |
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123 ~octave_pthread_mutex (void) |
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124 { |
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125 pthread_mutex_destroy (&pm); |
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126 } |
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128 void lock (void) |
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129 { |
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130 pthread_mutex_lock (&pm); |
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131 } |
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133 void unlock (void) |
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134 { |
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135 pthread_mutex_unlock (&pm); |
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136 } |
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138 bool try_lock (void) |
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139 { |
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140 return (pthread_mutex_trylock (&pm) == 0); |
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141 } |
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142 |
| 7934 | 143 private: |
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144 pthread_mutex_t pm; |
| 7934 | 145 }; |
| 146 | |
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147 static pthread_t octave_thread_id = 0; |
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148 |
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149 void |
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150 octave_thread::init (void) |
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151 { |
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152 octave_thread_id = pthread_self (); |
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153 } |
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154 |
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155 bool |
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156 octave_thread::is_octave_thread (void) |
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157 { |
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158 return (pthread_equal (octave_thread_id, pthread_self ()) != 0); |
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159 } |
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160 |
| 7934 | 161 #endif |
| 162 | |
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163 static octave_base_mutex * |
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164 init_rep (void) |
| 7934 | 165 { |
| 166 #if defined (__WIN32__) && ! defined (__CYGWIN__) | |
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167 return new octave_w32_mutex (); |
| 7934 | 168 #elif defined (HAVE_PTHREAD_H) |
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169 return new octave_pthread_mutex (); |
| 7934 | 170 #else |
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171 return new octave_base_mutex (); |
| 7934 | 172 #endif |
| 173 } | |
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174 |
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175 octave_mutex::octave_mutex (void) : rep (init_rep ()) { } |