Mercurial > octave
view liboctave/cruft/misc/quit.h @ 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 | 3e7cfee5f786 |
children | f7d1050b9b53 |
line wrap: on
line source
/* Copyright (C) 2002-2015 John W. Eaton This file is part of Octave. Octave is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version. Octave 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 General Public License for more details. You should have received a copy of the GNU General Public License along with Octave; see the file COPYING. If not, see <http://www.gnu.org/licenses/>. */ #if ! defined (octave_quit_h) #define octave_quit_h 1 #include <stdio.h> #include <signal.h> #include <setjmp.h> #ifdef __cplusplus # include <new> # include <string> extern "C" { #endif #if defined (__WIN32__) && ! defined (_POSIX_VERSION) #define WIN32_LEAN_AND_MEAN #include <windows.h> CRUFT_API extern void w32_sigint_init (void); /* setup */ CRUFT_API extern void w32_raise_final (void); /* tear down */ CRUFT_API extern void w32_raise (int sig); /* raise signal in main thread */ CRUFT_API extern int w32_in_main_thread (void); /* return true if in main thread */ #endif #if defined (OCTAVE_HAVE_SIG_JUMP) typedef sigjmp_buf octave_jmp_buf; #define octave_set_current_context sigsetjmp (current_context, 1) #else typedef jmp_buf octave_jmp_buf; #define octave_set_current_context setjmp (current_context) #endif CRUFT_API extern octave_jmp_buf current_context; CRUFT_API extern void octave_save_current_context (void *); CRUFT_API extern void octave_restore_current_context (void *); OCTAVE_NORETURN CRUFT_API extern void octave_jump_to_enclosing_context (void); CRUFT_API extern void octave_save_signal_mask (void); CRUFT_API extern void octave_restore_signal_mask (void); #ifdef __cplusplus class octave_execution_exception { public: octave_execution_exception (void) : m_stack_trace () { } octave_execution_exception (const octave_execution_exception& x) : m_stack_trace (x.m_stack_trace) { } octave_execution_exception& operator = (const octave_execution_exception& x) { if (&x != this) m_stack_trace = x.m_stack_trace; return *this; } ~octave_execution_exception (void) { } virtual void set_stack_trace (const std::string& st) { m_stack_trace = st; } virtual void set_stack_trace (void) { m_stack_trace = ""; } virtual std::string info (void) const { return m_stack_trace; } private: std::string m_stack_trace; }; class octave_interrupt_exception { }; #endif enum octave_exception { octave_no_exception = 0, octave_exec_exception = 1, octave_alloc_exception = 2 }; CRUFT_API extern sig_atomic_t octave_interrupt_immediately; /* > 0: interrupt pending 0: no interrupt pending < 0: handling interrupt */ CRUFT_API extern sig_atomic_t octave_interrupt_state; CRUFT_API extern sig_atomic_t octave_exception_state; CRUFT_API extern volatile sig_atomic_t octave_signal_caught; CRUFT_API extern void octave_handle_signal (void); OCTAVE_NORETURN CRUFT_API extern void octave_throw_interrupt_exception (void); OCTAVE_NORETURN CRUFT_API extern void octave_throw_execution_exception (void); OCTAVE_NORETURN CRUFT_API extern void octave_throw_bad_alloc (void); CRUFT_API extern void octave_rethrow_exception (void); #ifdef __cplusplus inline void octave_quit (void) { if (octave_signal_caught) { octave_signal_caught = 0; octave_handle_signal (); } }; #define OCTAVE_QUIT octave_quit () #else #define OCTAVE_QUIT \ do \ { \ if (octave_signal_caught) \ { \ octave_signal_caught = 0; \ octave_handle_signal (); \ } \ } \ while (0) #endif /* Normally, you just want to use BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; ... some code that calls a "foreign" function ... END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE; but sometimes it is useful to do something like BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE_1; ... custom code here, normally ending in a call to octave_rethrow_exception ... BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE_2; so that you can perform extra clean up operations before throwing the interrupt exception. */ #define BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE \ BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE_1; \ octave_rethrow_exception (); \ BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE_2 #define BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE_1 \ do \ { \ octave_jmp_buf saved_context; \ \ octave_save_current_context (saved_context); \ \ if (octave_set_current_context) \ { \ octave_restore_current_context (saved_context) #define BEGIN_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE_2 \ } \ else \ { \ octave_interrupt_immediately++ #define END_INTERRUPT_IMMEDIATELY_IN_FOREIGN_CODE \ octave_interrupt_immediately--; \ octave_restore_current_context (saved_context); \ } \ } \ while (0) #ifdef __cplusplus #define BEGIN_INTERRUPT_WITH_EXCEPTIONS \ sig_atomic_t saved_octave_interrupt_immediately = octave_interrupt_immediately; \ \ try \ { \ octave_interrupt_immediately = 0; #define END_INTERRUPT_WITH_EXCEPTIONS \ } \ catch (const octave_interrupt_exception&) \ { \ octave_interrupt_immediately = saved_octave_interrupt_immediately; \ octave_jump_to_enclosing_context (); \ } \ catch (const octave_execution_exception&) \ { \ octave_interrupt_immediately = saved_octave_interrupt_immediately; \ octave_exception_state = octave_exec_exception; \ octave_jump_to_enclosing_context (); \ } \ catch (const std::bad_alloc&) \ { \ octave_interrupt_immediately = saved_octave_interrupt_immediately; \ octave_exception_state = octave_alloc_exception; \ octave_jump_to_enclosing_context (); \ } \ \ octave_interrupt_immediately = saved_octave_interrupt_immediately #endif #ifdef __cplusplus } /* These should only be declared for C++ code, and should also be outside of any extern "C" block. */ extern CRUFT_API void (*octave_signal_hook) (void); extern CRUFT_API void (*octave_interrupt_hook) (void); extern CRUFT_API void (*octave_bad_alloc_hook) (void); #endif #endif