xref: /petsc/include/petscerror.h (revision daa037dfd3c3bec8dc8659548d2b20b07c1dc6de)
1 /*
2     Contains all error handling interfaces for PETSc.
3 */
4 #if !defined(PETSCERROR_H)
5 #define PETSCERROR_H
6 
7 #include <petscmacros.h>
8 #include <petscsystypes.h>
9 
10 /*
11      These are the generic error codes. These error codes are used
12      many different places in the PETSc source code. The string versions are
13      at src/sys/error/err.c any changes here must also be made there
14      These are also define in src/sys/f90-mod/petscerror.h any CHANGES here
15      must be also made there.
16 
17 */
18 #define PETSC_ERR_MIN_VALUE        54   /* should always be one less then the smallest value */
19 
20 #define PETSC_ERR_MEM              55   /* unable to allocate requested memory */
21 #define PETSC_ERR_SUP              56   /* no support for requested operation */
22 #define PETSC_ERR_SUP_SYS          57   /* no support for requested operation on this computer system */
23 #define PETSC_ERR_ORDER            58   /* operation done in wrong order */
24 #define PETSC_ERR_SIG              59   /* signal received */
25 #define PETSC_ERR_FP               72   /* floating point exception */
26 #define PETSC_ERR_COR              74   /* corrupted PETSc object */
27 #define PETSC_ERR_LIB              76   /* error in library called by PETSc */
28 #define PETSC_ERR_PLIB             77   /* PETSc library generated inconsistent data */
29 #define PETSC_ERR_MEMC             78   /* memory corruption */
30 #define PETSC_ERR_CONV_FAILED      82   /* iterative method (KSP or SNES) failed */
31 #define PETSC_ERR_USER             83   /* user has not provided needed function */
32 #define PETSC_ERR_SYS              88   /* error in system call */
33 #define PETSC_ERR_POINTER          70   /* pointer does not point to valid address */
34 #define PETSC_ERR_MPI_LIB_INCOMP   87   /* MPI library at runtime is not compatible with MPI user compiled with */
35 
36 #define PETSC_ERR_ARG_SIZ          60   /* nonconforming object sizes used in operation */
37 #define PETSC_ERR_ARG_IDN          61   /* two arguments not allowed to be the same */
38 #define PETSC_ERR_ARG_WRONG        62   /* wrong argument (but object probably ok) */
39 #define PETSC_ERR_ARG_CORRUPT      64   /* null or corrupted PETSc object as argument */
40 #define PETSC_ERR_ARG_OUTOFRANGE   63   /* input argument, out of range */
41 #define PETSC_ERR_ARG_BADPTR       68   /* invalid pointer argument */
42 #define PETSC_ERR_ARG_NOTSAMETYPE  69   /* two args must be same object type */
43 #define PETSC_ERR_ARG_NOTSAMECOMM  80   /* two args must be same communicators */
44 #define PETSC_ERR_ARG_WRONGSTATE   73   /* object in argument is in wrong state, e.g. unassembled mat */
45 #define PETSC_ERR_ARG_TYPENOTSET   89   /* the type of the object has not yet been set */
46 #define PETSC_ERR_ARG_INCOMP       75   /* two arguments are incompatible */
47 #define PETSC_ERR_ARG_NULL         85   /* argument is null that should not be */
48 #define PETSC_ERR_ARG_UNKNOWN_TYPE 86   /* type name doesn't match any registered type */
49 
50 #define PETSC_ERR_FILE_OPEN        65   /* unable to open file */
51 #define PETSC_ERR_FILE_READ        66   /* unable to read from file */
52 #define PETSC_ERR_FILE_WRITE       67   /* unable to write to file */
53 #define PETSC_ERR_FILE_UNEXPECTED  79   /* unexpected data in file */
54 
55 #define PETSC_ERR_MAT_LU_ZRPVT     71   /* detected a zero pivot during LU factorization */
56 #define PETSC_ERR_MAT_CH_ZRPVT     81   /* detected a zero pivot during Cholesky factorization */
57 
58 #define PETSC_ERR_INT_OVERFLOW     84
59 
60 #define PETSC_ERR_FLOP_COUNT       90
61 #define PETSC_ERR_NOT_CONVERGED    91  /* solver did not converge */
62 #define PETSC_ERR_MISSING_FACTOR   92  /* MatGetFactor() failed */
63 #define PETSC_ERR_OPT_OVERWRITE    93  /* attempted to over write options which should not be changed */
64 #define PETSC_ERR_WRONG_MPI_SIZE   94  /* example/application run with number of MPI ranks it does not support */
65 #define PETSC_ERR_USER_INPUT       95  /* missing or incorrect user input */
66 #define PETSC_ERR_GPU_RESOURCE     96  /* unable to load a GPU resource, for example cuBLAS */
67 #define PETSC_ERR_GPU              97  /* An error from a GPU call, this may be due to lack of resources on the GPU or a true error in the call */
68 #define PETSC_ERR_MPI              98  /* general MPI error */
69 #define PETSC_ERR_MAX_VALUE        99  /* this is always the one more than the largest error code */
70 
71 #define SETERRQ1(...) PETSC_DEPRECATED_MACRO("GCC warning \"Use SETERRQ() (since version 3.17)\"") SETERRQ(__VA_ARGS__)
72 #define SETERRQ2(...) PETSC_DEPRECATED_MACRO("GCC warning \"Use SETERRQ() (since version 3.17)\"") SETERRQ(__VA_ARGS__)
73 #define SETERRQ3(...) PETSC_DEPRECATED_MACRO("GCC warning \"Use SETERRQ() (since version 3.17)\"") SETERRQ(__VA_ARGS__)
74 #define SETERRQ4(...) PETSC_DEPRECATED_MACRO("GCC warning \"Use SETERRQ() (since version 3.17)\"") SETERRQ(__VA_ARGS__)
75 #define SETERRQ5(...) PETSC_DEPRECATED_MACRO("GCC warning \"Use SETERRQ() (since version 3.17)\"") SETERRQ(__VA_ARGS__)
76 #define SETERRQ6(...) PETSC_DEPRECATED_MACRO("GCC warning \"Use SETERRQ() (since version 3.17)\"") SETERRQ(__VA_ARGS__)
77 #define SETERRQ7(...) PETSC_DEPRECATED_MACRO("GCC warning \"Use SETERRQ() (since version 3.17)\"") SETERRQ(__VA_ARGS__)
78 #define SETERRQ8(...) PETSC_DEPRECATED_MACRO("GCC warning \"Use SETERRQ() (since version 3.17)\"") SETERRQ(__VA_ARGS__)
79 #define SETERRQ9(...) PETSC_DEPRECATED_MACRO("GCC warning \"Use SETERRQ() (since version 3.17)\"") SETERRQ(__VA_ARGS__)
80 
81 /*MC
82    SETERRQ - Macro to be called when an error has been detected,
83 
84    Synopsis:
85    #include <petscsys.h>
86    PetscErrorCode SETERRQ(MPI_Comm comm,PetscErrorCode ierr,char *message,...)
87 
88    Collective
89 
90    Input Parameters:
91 +  comm - A communicator, use PETSC_COMM_SELF unless you know all ranks of another communicator will detect the error
92 .  ierr - nonzero error code, see the list of standard error codes in include/petscerror.h
93 -  message - error message
94 
95   Level: beginner
96 
97    Notes:
98     Once the error handler is called the calling function is then returned from with the given error code.
99 
100     Experienced users can set the error handler with PetscPushErrorHandler().
101 
102    Fortran Notes:
103       SETERRQ() may be called from Fortran subroutines but SETERRA() must be called from the
104       Fortran main program.
105 
106 .seealso: PetscCheck(), PetscAssert(), PetscTraceBackErrorHandler(), PetscPushErrorHandler(),
107 PetscError(), PetscCall(), CHKMEMQ, CHKERRA(), PetscCallMPI()
108 M*/
109 #define SETERRQ(comm,ierr,...) return PetscError(comm,__LINE__,PETSC_FUNCTION_NAME,__FILE__,ierr,PETSC_ERROR_INITIAL,__VA_ARGS__)
110 
111 /*
112     Returned from PETSc functions that are called from MPI, such as related to attributes
113       Do not confuse PETSC_MPI_ERROR_CODE and PETSC_ERR_MPI, the first is registered with MPI and returned to MPI as
114       an error code, the latter is a regular PETSc error code passed within PETSc code indicating an error was detected in an MPI call.
115 */
116 PETSC_EXTERN PetscMPIInt PETSC_MPI_ERROR_CLASS;
117 PETSC_EXTERN PetscMPIInt PETSC_MPI_ERROR_CODE;
118 
119 /*MC
120    SETERRMPI - Macro to be called when an error has been detected within an MPI callback function
121 
122    Synopsis:
123    #include <petscsys.h>
124    PetscErrorCode SETERRMPI(MPI_Comm comm,PetscErrorCode ierr,char *message,...)
125 
126    Collective
127 
128    Input Parameters:
129 +  comm - A communicator, use PETSC_COMM_SELF unless you know all ranks of another communicator will detect the error
130 .  ierr - nonzero error code, see the list of standard error codes in include/petscerror.h
131 -  message - error message
132 
133   Level: developer
134 
135    Notes:
136     This macro is FOR USE IN MPI CALLBACK FUNCTIONS ONLY, such as those passed to MPI_Comm_create_keyval(). It always returns the error code PETSC_MPI_ERROR_CODE
137     which is registered with MPI_Add_error_code() when PETSc is initialized.
138 
139 .seealso: SETERRQ(), PetscCall(), PetscCallMPI(), PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), CHKMEMQ
140 M*/
141 #define SETERRMPI(comm,ierr,...) return (PetscError(comm,__LINE__,PETSC_FUNCTION_NAME,__FILE__,ierr,PETSC_ERROR_INITIAL,__VA_ARGS__),PETSC_MPI_ERROR_CODE)
142 
143 /*MC
144    SETERRA - Fortran-only macro that can be called when an error has been detected from the main program
145 
146    Synopsis:
147    #include <petscsys.h>
148    PetscErrorCode SETERRA(MPI_Comm comm,PetscErrorCode ierr,char *message)
149 
150    Collective
151 
152    Input Parameters:
153 +  comm - A communicator, so that the error can be collective
154 .  ierr - nonzero error code, see the list of standard error codes in include/petscerror.h
155 -  message - error message in the printf format
156 
157   Level: beginner
158 
159    Notes:
160     This should only be used with Fortran. With C/C++, use SETERRQ().
161 
162    Fortran Notes:
163       SETERRQ() may be called from Fortran subroutines but SETERRA() must be called from the
164       Fortran main program.
165 
166 .seealso: SETERRQ(), SETERRABORT(), PetscCall(), CHKERRA(), PetscCallAbort()
167 M*/
168 
169 /*MC
170    SETERRABORT - Macro that can be called when an error has been detected,
171 
172    Synopsis:
173    #include <petscsys.h>
174    PetscErrorCode SETERRABORT(MPI_Comm comm,PetscErrorCode ierr,char *message,...)
175 
176    Collective
177 
178    Input Parameters:
179 +  comm - A communicator, so that the error can be collective
180 .  ierr - nonzero error code, see the list of standard error codes in include/petscerror.h
181 -  message - error message in the printf format
182 
183   Level: beginner
184 
185    Notes:
186     This function just calls MPI_Abort().
187 
188 .seealso: SETERRQ(), PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), PetscCall(), CHKMEMQ
189 M*/
190 #define SETERRABORT(comm,ierr,...) do {                                                        \
191     PetscError(comm,__LINE__,PETSC_FUNCTION_NAME,__FILE__,ierr,PETSC_ERROR_INITIAL,__VA_ARGS__); \
192     MPI_Abort(comm,ierr);                                                                      \
193   } while (0)
194 
195 /*MC
196   PetscCheck - Check that a particular condition is true
197 
198   Synopsis:
199   #include <petscerror.h>
200   void PetscCheck(bool cond, MPI_Comm comm, PetscErrorCode ierr, const char *message, ...)
201 
202   Collective
203 
204   Input Parameters:
205 + cond    - The boolean condition
206 . comm    - The communicator on which the check can be collective on
207 . ierr    - A nonzero error code, see include/petscerror.h for the complete list
208 - message - Error message in printf format
209 
210   Notes:
211   Enabled in both optimized and debug builds.
212 
213   Calls SETERRQ() if the assertion fails, so can only be called from functions returning a
214   PetscErrorCode (or equivalent type after conversion).
215 
216   Level: beginner
217 
218 .seealso: PetscAssert(), SETERRQ(), PetscError(), PetscCall()
219 M*/
220 #define PetscCheck(cond,comm,ierr,...) if (PetscUnlikely(!(cond))) SETERRQ(comm,ierr,__VA_ARGS__)
221 
222 /*MC
223   PetscCheckFalse - Check that a particular condition is false
224 
225   Synopsis:
226   #include <petscerror.h>
227   void PetscCheckFalse(bool cond, MPI_Comm comm, PetscErrorCode ierr, const char *message, ...)
228 
229   Collective
230 
231   Input Parameters:
232 + cond    - The boolean condition
233 . comm    - The communicator on which the check can be collective on
234 . ierr    - A nonzero error code, see include/petscerror.h for the complete list
235 - message - Error message in printf format
236 
237   Notes:
238   Invert your boolean condition and use PetscCheck() instead. This macro is a temporary stopgap
239   to converting to PetscCheck() and is subject to removal without deprecation in a future
240   release.
241 
242   Level: deprecated
243 
244 .seealso: PetscCheck()
245 M*/
246 #define PetscCheckFalse(cond,comm,ierr,...) PetscCheck(!(cond),comm,ierr,__VA_ARGS__)
247 
248 /*MC
249   PetscAssert - Assert that a particular condition is true
250 
251   Synopsis:
252   #include <petscerror.h>
253   void PetscAssert(bool cond, MPI_Comm comm, PetscErrorCode ierr, const char *message, ...)
254 
255   Collective
256 
257   Input Parameters:
258 + cond    - The boolean condition
259 . comm    - The communicator on which the check can be collective on
260 . ierr    - A nonzero error code, see include/petscerror.h for the complete list
261 - message - Error message in printf format
262 
263   Notes:
264   Enabled only in debug builds. Note that any arguments to this macros are still visible to the
265   compiler optimized builds (so must still contain valid code) but are guaranteed to not be
266   executed.
267 
268   See PetscCheck() for usage and behaviour.
269 
270   Level: beginner
271 
272 .seealso: PetscCheck(), SETERRQ(), PetscError()
273 M*/
274 #define PetscAssert(cond,comm,ierr,...) if (PetscUnlikelyDebug(!(cond))) SETERRQ(comm,ierr,__VA_ARGS__)
275 
276 /*MC
277   PetscCall - Checks error code returned from a PETSc function, if non-zero it calls the error
278   handler and and returns from the current function.
279 
280   Synopsis:
281   #include <petscerror.h>
282   void PetscCall(PetscErrorCode ierr)
283 
284   Not Collective
285 
286   Input Parameter:
287 . ierr - nonzero error code, see the list of standard error codes in include/petscerror.h
288 
289   Notes:
290   Once the error handler is called the calling function is then returned from with the given
291   error code. Experienced users can set the error handler with PetscPushErrorHandler().
292 
293   PetscCall(ierr) is fundamentally a macro replacement for
294 .vb
295   if (ierr) return PetscError(...,ierr,...);
296 .ve
297 
298   PetscCall() cannot be used in functions returning a datatype not convertable to
299   PetscErrorCode. For example, PetscCall() may not be used in functions returning void, use
300   PetscCallVoid() in this case.
301 
302   Fortran Notes:
303   PetscCall() may be called from Fortran subroutines but CHKERRA() must be called from the
304   Fortran main program.
305 
306   Example Usage:
307 .vb
308   PetscCall(PetscInitiailize(...)); // OK to call even when PETSc is not yet initialized!
309 
310   extern int foo(int);
311 
312   PetscCall(foo(1)); // OK if int is convertable to PetscErrorCode
313 
314   struct my_struct
315   {
316     void *data;
317   } my_complex_type;
318 
319   struct my_struct bar(void)
320   {
321     PetscCall(foo(15)); // ERROR PetscErrorCode not convertable to struct my_struct!
322   }
323 
324   PetscCall(bar()) // ERROR input not convertable to PetscErrorCode
325 .ve
326 
327   Level: beginner
328 
329 .seealso: SETERRQ(), PetscCheck(), PetscAssert(), PetscTraceBackErrorHandler(),
330 PetscPushErrorHandler(), PetscError(), CHKMEMQ, CHKERRA()
331 M*/
332 #if defined(PETSC_CLANG_STATIC_ANALYZER)
333 void PetscCall(PetscErrorCode);
334 void PetscCallVoid(PetscErrorCode);
335 #else
336 #define PetscCall(...) do {                                                                    \
337     PetscErrorCode ierr_q_ = __VA_ARGS__;                                                      \
338     if (PetscUnlikely(ierr_q_)) return PetscError(PETSC_COMM_SELF,__LINE__,PETSC_FUNCTION_NAME,__FILE__,ierr_q_,PETSC_ERROR_REPEAT," "); \
339   } while (0)
340 #define PetscCallVoid(...) do {                                                                \
341     PetscErrorCode ierr_void_ = __VA_ARGS__;                                                   \
342     if (PetscUnlikely(ierr_void_)) {                                                           \
343       (void)PetscError(PETSC_COMM_SELF,__LINE__,PETSC_FUNCTION_NAME,__FILE__,ierr_void_,PETSC_ERROR_REPEAT," "); \
344       return;                                                                                  \
345     }                                                                                          \
346   } while (0)
347 #endif
348 
349 /*MC
350   CHKERRQ - Checks error code returned from PETSc function
351 
352   Synopsis:
353   #include <petscsys.h>
354   void CHKERRQ(PetscErrorCode ierr)
355 
356   Not Collective
357 
358   Input Parameters:
359 . ierr - nonzero error code
360 
361   Notes:
362   Deprecated in favor of PetscCall(). This routine behaves identically to it.
363 
364   Level: deprecated
365 
366 .seealso: PetscCall()
367 M*/
368 #define CHKERRQ(...) PetscCall(__VA_ARGS__)
369 #define CHKERRV(...) PetscCallVoid(__VA_ARGS__)
370 
371 /*MC
372   PetscCallMPI - Checks error code returned from MPI calls, if non-zero it calls the error
373   handler and then returns
374 
375   Synopsis:
376   #include <petscerror.h>
377   void PetscCallMPI(PetscErrorCode ierr)
378 
379   Not Collective
380 
381   Input Parameters:
382 . ierr - nonzero error code, see the list of standard error codes in include/petscerror.h
383 
384   Notes:
385   Always returns the error code PETSC_ERR_MPI; the MPI error code and string are embedded in
386   the string error message. Do not use this to call any other routines (for example PETSc
387   routines), it should only be used for direct MPI calls. Due to limitations of the
388   preprocessor this can unfortunately not easily be enforced, so the user should take care to
389   check this themselves.
390 
391   Example Usage:
392 .vb
393   PetscCallMPI(MPI_Comm_size(...)); // OK, calling MPI function
394 
395   PetscCallMPI(PetscFunction(...)); // ERROR, use PetscCall() instead!
396 .ve
397 
398   Level: beginner
399 
400 .seealso: SETERRMPI(), PetscCall(), SETERRQ(), SETERRABORT(), PetscCallAbort(),
401 PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), CHKMEMQ
402 M*/
403 #if defined(PETSC_CLANG_STATIC_ANALYZER)
404 void PetscCallMPI(PetscErrorCode);
405 #else
406 #define PetscCallMPI(...) do {                                                                 \
407     PetscMPIInt _7_errorcode = __VA_ARGS__;                                                    \
408     if (PetscUnlikely(_7_errorcode)) {                                                         \
409       char        _7_errorstring[MPI_MAX_ERROR_STRING];                                        \
410       PetscMPIInt _7_resultlen;                                                                \
411       MPI_Error_string(_7_errorcode,(char*)_7_errorstring,&_7_resultlen); \
412       SETERRQ(PETSC_COMM_SELF,PETSC_ERR_MPI,"MPI error %d %s Ignore the following value %d",(int)_7_errorcode,_7_errorstring,_7_resultlen); \
413     }                                                                                          \
414   } while (0)
415 #endif
416 
417 /*MC
418   CHKERRMPI - Checks error code returned from MPI calls, if non-zero it calls the error
419   handler and then returns
420 
421   Synopsis:
422   #include <petscerror.h>
423   void CHKERRMPI(PetscErrorCode ierr)
424 
425   Not Collective
426 
427   Input Parameter:
428 . ierr - nonzero error code, see the list of standard error codes in include/petscerror.h
429 
430   Notes:
431   Deprecated in favor of PetscCallMPI(). This routine behaves identically to it.
432 
433   Level: deprecated
434 
435 .seealso: PetscCallMPI()
436 M*/
437 #define CHKERRMPI(...) PetscCallMPI(__VA_ARGS__)
438 
439 /*MC
440   PetscCallAbort - Checks error code returned from PETSc function, if non-zero it aborts immediately
441 
442   Synopsis:
443   #include <petscerror.h>
444   void PetscCallAbort(MPI_Comm comm, PetscErrorCode ierr)
445 
446   Collective on comm
447 
448   Input Parameters:
449 + comm - the MPI communicator on which to abort
450 - ierr - nonzero error code, see the list of standard error codes in include/petscerror.h
451 
452   Notes:
453   This macro has identical type and usage semantics to PetscCall() with the important caveat
454   that this macro does not return. Instead, if ierr is nonzero it calls the PETSc error handler
455   and then immediately calls MPI_Abort(). It can therefore be used anywhere.
456 
457   As per MPI_Abort semantics the communicator passed must be valid, although there is currently
458   no attempt made at handling any potential errors from MPI_Abort(). Note that while
459   MPI_Abort() is required to terminate only those processes which reside on comm, it is often
460   the case that MPI_Abort() terminates *all* processes.
461 
462   Example Usage:
463 .vb
464   PetscErrorCode boom(void) { return PETSC_ERR_MEM; }
465 
466   void foo(void)
467   {
468     PetscCallAbort(PETSC_COMM_WORLD,boom()); // OK, does not return a type
469   }
470 
471   double bar(void)
472   {
473     PetscCallAbort(PETSC_COMM_WORLD,boom()); // OK, does not return a type
474   }
475 
476   PetscCallAbort(MPI_COMM_NULL,boom()); // ERROR, communicator should be valid
477 
478   struct baz
479   {
480     baz()
481     {
482       PetscCallAbort(PETSC_COMM_SELF,boom()); // OK
483     }
484 
485     ~baz()
486     {
487       PetscCallAbort(PETSC_COMM_SELF,boom()); // OK (in fact the only way to handle PETSc errors)
488     }
489   };
490 .ve
491 
492   Level: intermediate
493 
494 .seealso: SETERRABORT(), PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(),
495 SETERRQ(), CHKMEMQ, PetscCallMPI()
496 M*/
497 #if defined(PETSC_CLANG_STATIC_ANALYZER)
498 void PetscCallAbort(MPI_Comm,PetscErrorCode);
499 void PetscCallContinue(PetscErrorCode);
500 #else
501 #define PetscCallAbort(comm,...) do {                                                          \
502     PetscErrorCode ierr_abort_ = __VA_ARGS__;                                                  \
503     if (PetscUnlikely(ierr_abort_)) {                                                          \
504       PetscError(PETSC_COMM_SELF,__LINE__,PETSC_FUNCTION_NAME,__FILE__,ierr_abort_,PETSC_ERROR_REPEAT," "); \
505       MPI_Abort(comm,ierr_abort_);                                                             \
506     }                                                                                          \
507   } while (0)
508 #define PetscCallContinue(...)   do {                                                          \
509     PetscErrorCode ierr_continue_ = __VA_ARGS__;                                               \
510     if (PetscUnlikely(ierr_continue_)) PetscError(PETSC_COMM_SELF,__LINE__,PETSC_FUNCTION_NAME,__FILE__,ierr_continue_,PETSC_ERROR_REPEAT," "); \
511   } while (0)
512 #endif
513 
514 /*MC
515   CHKERRABORT - Checks error code returned from PETSc function. If non-zero it aborts immediately.
516 
517   Synopsis:
518   #include <petscerror.h>
519   void CHKERRABORT(MPI_Comm comm, PetscErrorCode ierr)
520 
521   Not Collective
522 
523   Input Parameters:
524 + comm - the MPI communicator
525 - ierr - nonzero error code, see the list of standard error codes in include/petscerror.h
526 
527   Notes:
528   Deprecated in favor of PetscCallAbort(). This routine behaves identically to it.
529 
530   Level: deprecated
531 
532 .seealso: PetscCallAbort()
533 M*/
534 #define CHKERRABORT(comm,...) PetscCallAbort(comm,__VA_ARGS__)
535 #define CHKERRCONTINUE(...)   PetscCallContinue(__VA_ARGS__)
536 
537 /*MC
538    CHKERRA - Fortran-only replacement for PetscCall in the main program, which aborts immediately
539 
540    Synopsis:
541    #include <petscsys.h>
542    PetscErrorCode CHKERRA(PetscErrorCode ierr)
543 
544    Not Collective
545 
546    Input Parameters:
547 .  ierr - nonzero error code, see the list of standard error codes in include/petscerror.h
548 
549   Level: beginner
550 
551    Notes:
552       This should only be used with Fortran. With C/C++, use PetscCall() in normal usage,
553       or PetscCallAbort() if wanting to abort immediately on error.
554 
555    Fortran Notes:
556       PetscCall() may be called from Fortran subroutines but CHKERRA() must be called from the
557       Fortran main program.
558 
559 .seealso: PetscCall(), PetscCallAbort(), SETERRA(), SETERRQ(), SETERRABORT()
560 M*/
561 
562 PETSC_EXTERN PetscErrorCode PetscAbortFindSourceFile_Private(const char*,PetscInt*);
563 PETSC_EXTERN PetscBool petscwaitonerrorflg;
564 PETSC_EXTERN PetscBool petscindebugger;
565 
566 /*MC
567    PETSCABORT - Call MPI_Abort with an informative error code
568 
569    Synopsis:
570    #include <petscsys.h>
571    PETSCABORT(MPI_Comm comm, PetscErrorCode ierr)
572 
573    Collective
574 
575    Input Parameters:
576 +  comm - A communicator, so that the error can be collective
577 -  ierr - nonzero error code, see the list of standard error codes in include/petscerror.h
578 
579    Level: advanced
580 
581    Notes:
582    We pass MPI_Abort() an error code of format XX_YYYY_ZZZ, where XX, YYYY are an index and line number of the file
583    where PETSCABORT is called, respectively. ZZZ is the PETSc error code.
584 
585    If XX is zero, this means that the call was made in the routine main().
586    If XX is one, that means 1) the file is not in PETSc (it may be in users code); OR 2) the file is in PETSc but PetscAbortSourceFiles[]
587      is out of date. PETSc developers have to update it.
588    Otherwise, look up the value of XX in the table PetscAbortSourceFiles[] in src/sys/error/err.c to map XX back to the source file where the PETSCABORT() was called.
589 
590    If the option -start_in_debugger was used then this calls abort() to stop the program in the debugger.
591 
592  M*/
593 #define PETSCABORT(comm,...) do {                                                              \
594     if (petscwaitonerrorflg) PetscSleep(1000);                                                 \
595     if (petscindebugger) abort();                                                              \
596     else {                                                                                     \
597       PetscErrorCode ierr_petsc_abort_ = __VA_ARGS__;                                          \
598       PetscInt       idx = 0;                                                                  \
599       PetscAbortFindSourceFile_Private(__FILE__,&idx);                                         \
600       MPI_Abort(comm,(PetscMPIInt)(0*idx*10000000 + 0*__LINE__*1000 + ierr_petsc_abort_));     \
601     }                                                                                          \
602   } while (0)
603 
604 #ifdef PETSC_CLANGUAGE_CXX
605 /*MC
606   PetscCallThrow - Checks error code, if non-zero it calls the C++ error handler which throws
607   an exception
608 
609   Synopsis:
610   #include <petscerror.h>
611   void PetscCallThrow(PetscErrorCode ierr)
612 
613   Not Collective
614 
615   Input Parameter:
616 . ierr - nonzero error code, see the list of standard error codes in include/petscerror.h
617 
618   Notes:
619   Requires PETSc to be configured with clanguage = c++. Throws a std::runtime_error() on error.
620 
621   Once the error handler throws the exception you can use PetscCallVoid() which returns without
622   an error code (bad idea since the error is ignored) or PetscCallAbort() to have MPI_Abort()
623   called immediately.
624 
625   Level: beginner
626 
627 .seealso: SETERRQ(), PetscCall(), SETERRABORT(), PetscCallAbort(), PetscTraceBackErrorHandler(),
628 PetscPushErrorHandler(), PetscError(), CHKMEMQ
629 M*/
630 #define PetscCallThrow(...) do {                                                                    \
631     PetscErrorCode ierr_cxx_ = __VA_ARGS__;                                                    \
632     if (PetscUnlikely(ierr_cxx_)) PetscError(PETSC_COMM_SELF,__LINE__,PETSC_FUNCTION_NAME,__FILE__,ierr_cxx_,PETSC_ERROR_IN_CXX,PETSC_NULLPTR); \
633   } while (0)
634 
635 /*MC
636   CHKERRXX - Checks error code, if non-zero it calls the C++ error handler which throws an exception
637 
638   Synopsis:
639   #include <petscerror.h>
640   void CHKERRXX(PetscErrorCode ierr)
641 
642   Not Collective
643 
644   Input Parameter:
645 . ierr - nonzero error code, see the list of standard error codes in include/petscerror.h
646 
647   Notes:
648   Deprecated in favor of PetscCallThrow(). This routine behaves identically to it.
649 
650   Level: deprecated
651 
652 .seealso: PetscCallThrow()
653 M*/
654 #define CHKERRXX(...) PetscCallThrow(__VA_ARGS__)
655 #endif
656 
657 /*MC
658   PetscCallCXX - Checks C++ function calls and if they throw an exception, catch it and then
659   return a PETSc error code
660 
661   Synopsis:
662   #include <petscerror.h>
663   void PetscCallCXX(expr) noexcept;
664 
665   Not Collective
666 
667   Input Parameter:
668 . expr - An arbitrary expression
669 
670   Notes:
671   PetscCallCXX(expr) is a macro replacement for
672 .vb
673   try {
674     expr;
675   } catch (const std::exception& e) {
676     return ConvertToPetscErrorCode(e);
677   }
678 .ve
679   Due to the fact that it catches any (reasonable) exception, it is essentially noexcept.
680 
681   Example Usage:
682 .vb
683   void foo(void) { throw std::runtime_error("error"); }
684 
685   void bar()
686   {
687     PetscCallCXX(foo()); // ERROR bar() does not return PetscErrorCode
688   }
689 
690   PetscErrorCode baz()
691   {
692     PetscCallCXX(foo()); // OK
693 
694     PetscCallCXX(
695       bar();
696       foo(); // OK mutliple statements allowed
697     );
698   }
699 
700   struct bop
701   {
702     bop()
703     {
704       PetscCallCXX(foo()); // ERROR returns PetscErrorCode, cannot be used in constructors
705     }
706   };
707 
708   // ERROR contains do-while, cannot be used as function-try block
709   PetscErrorCode qux() PetscCallCXX(
710     bar();
711     baz();
712     foo();
713     return 0;
714   )
715 .ve
716 
717   Level: beginner
718 
719 .seealso: PetscCallThrow(), SETERRQ(), PetscCall(), SETERRABORT(), PetscCallAbort(),
720 PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), CHKMEMQ
721 M*/
722 #define PetscCallCXX(...) do {                                  \
723     try {                                                       \
724       __VA_ARGS__;                                              \
725     } catch (const std::exception& e) {                         \
726       SETERRQ(PETSC_COMM_SELF,PETSC_ERR_LIB,"%s",e.what());     \
727     }                                                           \
728   } while (0)
729 
730 /*MC
731   CHKERRCXX - Checks C++ function calls and if they throw an exception, catch it and then
732   return a PETSc error code
733 
734   Synopsis:
735   #include <petscerror.h>
736   void CHKERRCXX(func) noexcept;
737 
738   Not Collective
739 
740   Input Parameter:
741 . func - C++ function calls
742 
743   Notes:
744   Deprecated in favor of PetscCallCXX(). This routine behaves identically to it.
745 
746   Level: deprecated
747 
748 .seealso: PetscCallCXX()
749 M*/
750 #define CHKERRCXX(...) PetscCallCXX(__VA_ARGS__)
751 
752 /*MC
753    CHKMEMQ - Checks the memory for corruption, calls error handler if any is detected
754 
755    Synopsis:
756    #include <petscsys.h>
757    CHKMEMQ;
758 
759    Not Collective
760 
761   Level: beginner
762 
763    Notes:
764     We highly recommend using Valgrind https://petsc.org/release/faq/#valgrind or for NVIDIA CUDA systems
765     https://docs.nvidia.com/cuda/cuda-memcheck/index.html for finding memory problems. The ``CHKMEMQ`` macro is useful on systems that
766     do not have valgrind, but is not as good as valgrind or cuda-memcheck.
767 
768     Must run with the option -malloc_debug (-malloc_test in debug mode; or if PetscMallocSetDebug() called) to enable this option
769 
770     Once the error handler is called the calling function is then returned from with the given error code.
771 
772     By defaults prints location where memory that is corrupted was allocated.
773 
774     Use CHKMEMA for functions that return void
775 
776 .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), SETERRQ(), PetscMallocValidate()
777 M*/
778 #if defined(PETSC_CLANG_STATIC_ANALYZER)
779 #define CHKMEMQ
780 #define CHKMEMA
781 #else
782 #define CHKMEMQ PetscCall(PetscMallocValidate(__LINE__,PETSC_FUNCTION_NAME,__FILE__));
783 #define CHKMEMA PetscMallocValidate(__LINE__,PETSC_FUNCTION_NAME,__FILE__)
784 #endif
785 
786 /*E
787   PetscErrorType - passed to the PETSc error handling routines indicating if this is the first or a later call to the error handlers
788 
789   Level: advanced
790 
791   PETSC_ERROR_IN_CXX indicates the error was detected in C++ and an exception should be generated
792 
793   Developer Notes:
794     This is currently used to decide when to print the detailed information about the run in PetscTraceBackErrorHandler()
795 
796 .seealso: PetscError(), SETERRXX()
797 E*/
798 typedef enum {PETSC_ERROR_INITIAL=0,PETSC_ERROR_REPEAT=1,PETSC_ERROR_IN_CXX = 2} PetscErrorType;
799 
800 #if defined(__clang_analyzer__)
801 __attribute__((analyzer_noreturn))
802 #endif
803 PETSC_EXTERN PetscErrorCode PetscError(MPI_Comm,int,const char*,const char*,PetscErrorCode,PetscErrorType,const char*,...) PETSC_ATTRIBUTE_COLD PETSC_ATTRIBUTE_FORMAT(7,8);
804 
805 PETSC_EXTERN PetscErrorCode PetscErrorPrintfInitialize(void);
806 PETSC_EXTERN PetscErrorCode PetscErrorMessage(int,const char*[],char **);
807 PETSC_EXTERN PetscErrorCode PetscTraceBackErrorHandler(MPI_Comm,int,const char*,const char*,PetscErrorCode,PetscErrorType,const char*,void*) PETSC_ATTRIBUTE_COLD;
808 PETSC_EXTERN PetscErrorCode PetscIgnoreErrorHandler(MPI_Comm,int,const char*,const char*,PetscErrorCode,PetscErrorType,const char*,void*) PETSC_ATTRIBUTE_COLD;
809 PETSC_EXTERN PetscErrorCode PetscEmacsClientErrorHandler(MPI_Comm,int,const char*,const char*,PetscErrorCode,PetscErrorType,const char*,void*) PETSC_ATTRIBUTE_COLD;
810 PETSC_EXTERN PetscErrorCode PetscMPIAbortErrorHandler(MPI_Comm,int,const char*,const char*,PetscErrorCode,PetscErrorType,const char*,void*) PETSC_ATTRIBUTE_COLD;
811 PETSC_EXTERN PetscErrorCode PetscAbortErrorHandler(MPI_Comm,int,const char*,const char*,PetscErrorCode,PetscErrorType,const char*,void*) PETSC_ATTRIBUTE_COLD;
812 PETSC_EXTERN PetscErrorCode PetscAttachDebuggerErrorHandler(MPI_Comm,int,const char*,const char*,PetscErrorCode,PetscErrorType,const char*,void*) PETSC_ATTRIBUTE_COLD;
813 PETSC_EXTERN PetscErrorCode PetscReturnErrorHandler(MPI_Comm,int,const char*,const char*,PetscErrorCode,PetscErrorType,const char*,void*) PETSC_ATTRIBUTE_COLD;
814 PETSC_EXTERN PetscErrorCode PetscPushErrorHandler(PetscErrorCode (*handler)(MPI_Comm,int,const char*,const char*,PetscErrorCode,PetscErrorType,const char*,void*),void*);
815 PETSC_EXTERN PetscErrorCode PetscPopErrorHandler(void);
816 PETSC_EXTERN PetscErrorCode PetscSignalHandlerDefault(int,void*);
817 PETSC_EXTERN PetscErrorCode PetscPushSignalHandler(PetscErrorCode (*)(int,void *),void*);
818 PETSC_EXTERN PetscErrorCode PetscPopSignalHandler(void);
819 PETSC_EXTERN PetscErrorCode PetscCheckPointerSetIntensity(PetscInt);
820 PETSC_EXTERN void PetscSignalSegvCheckPointerOrMpi(void);
821 PETSC_DEPRECATED_FUNCTION("Use PetscSignalSegvCheckPointerOrMpi() (since version 3.13)") static inline void PetscSignalSegvCheckPointer(void) {PetscSignalSegvCheckPointerOrMpi();}
822 
823 /*MC
824     PetscErrorPrintf - Prints error messages.
825 
826    Synopsis:
827     #include <petscsys.h>
828      PetscErrorCode (*PetscErrorPrintf)(const char format[],...);
829 
830     Not Collective
831 
832     Input Parameter:
833 .   format - the usual printf() format string
834 
835    Options Database Keys:
836 +    -error_output_stdout - cause error messages to be printed to stdout instead of the  (default) stderr
837 -    -error_output_none - to turn off all printing of error messages (does not change the way the error is handled.)
838 
839    Notes:
840     Use
841 $     PetscErrorPrintf = PetscErrorPrintfNone; to turn off all printing of error messages (does not change the way the
842 $                        error is handled.) and
843 $     PetscErrorPrintf = PetscErrorPrintfDefault; to turn it back on or you can use your own function
844 
845           Use
846      PETSC_STDERR = FILE* obtained from a file open etc. to have stderr printed to the file.
847      PETSC_STDOUT = FILE* obtained from a file open etc. to have stdout printed to the file.
848 
849           Use
850       PetscPushErrorHandler() to provide your own error handler that determines what kind of messages to print
851 
852    Level: developer
853 
854     Fortran Note:
855     This routine is not supported in Fortran.
856 
857 .seealso: PetscFPrintf(), PetscSynchronizedPrintf(), PetscHelpPrintf(), PetscPrintf(), PetscPushErrorHandler(), PetscVFPrintf(), PetscHelpPrintf()
858 M*/
859 PETSC_EXTERN PetscErrorCode (*PetscErrorPrintf)(const char[],...) PETSC_ATTRIBUTE_FORMAT(1,2);
860 
861 typedef enum {PETSC_FP_TRAP_OFF=0,PETSC_FP_TRAP_ON=1} PetscFPTrap;
862 PETSC_EXTERN PetscErrorCode PetscSetFPTrap(PetscFPTrap);
863 PETSC_EXTERN PetscErrorCode PetscFPTrapPush(PetscFPTrap);
864 PETSC_EXTERN PetscErrorCode PetscFPTrapPop(void);
865 PETSC_EXTERN PetscErrorCode PetscDetermineInitialFPTrap(void);
866 
867 /*
868       Allows the code to build a stack frame as it runs
869 */
870 
871 #if defined(PETSC_USE_DEBUG)
872 #define PETSCSTACKSIZE 64
873 typedef struct  {
874   const char *function[PETSCSTACKSIZE];
875   const char *file[PETSCSTACKSIZE];
876         int  line[PETSCSTACKSIZE];
877         int  petscroutine[PETSCSTACKSIZE]; /* 0 external called from petsc, 1 petsc functions, 2 petsc user functions */
878         int  currentsize;
879         int  hotdepth;
880   PetscBool  check; /* runtime option to check for correct Push/Pop semantics at runtime */
881 } PetscStack;
882 PETSC_EXTERN PetscStack petscstack;
883 #else
884 typedef struct {
885   char Silence_empty_struct_has_size_0_in_C_size_1_in_Cpp;
886 } PetscStack;
887 #endif
888 
889 #if defined(PETSC_SERIALIZE_FUNCTIONS)
890 #include <petsc/private/petscfptimpl.h>
891 /*
892    Registers the current function into the global function pointer to function name table
893 
894    Have to fix this to handle errors but cannot return error since used in PETSC_VIEWER_DRAW_() etc
895 */
896 #define PetscRegister__FUNCT__() do { \
897   static PetscBool __chked = PETSC_FALSE; \
898   if (!__chked) {\
899   void *ptr; PetscDLSym(NULL,PETSC_FUNCTION_NAME,&ptr);\
900   __chked = PETSC_TRUE;\
901   }} while (0)
902 #else
903 #define PetscRegister__FUNCT__()
904 #endif
905 
906 #if defined(PETSC_CLANG_STATIC_ANALYZER)
907 #define PetscStackPushNoCheck(funct,petsc_routine,hot)
908 #define PetscStackPopNoCheck
909 #define PetscStackClearTop
910 #define PetscFunctionBegin
911 #define PetscFunctionBeginUser
912 #define PetscFunctionBeginHot
913 #define PetscFunctionReturn(a)    return a
914 #define PetscFunctionReturnVoid() return
915 #define PetscStackPop
916 #define PetscStackPush(f)
917 #elif defined(PETSC_USE_DEBUG)
918 /* Stack handling is based on the following two "NoCheck" macros.  These should only be called directly by other error
919  * handling macros.  We record the line of the call, which may or may not be the location of the definition.  But is at
920  * least more useful than "unknown" because it can distinguish multiple calls from the same function.
921  */
922 #define PetscStackPushNoCheck(funct,petsc_routine,hot) do {             \
923     PetscStackSAWsTakeAccess();                                         \
924     if (petscstack.currentsize < PETSCSTACKSIZE) {                      \
925       petscstack.function[petscstack.currentsize]     = funct;          \
926       petscstack.file[petscstack.currentsize]         = __FILE__;       \
927       petscstack.line[petscstack.currentsize]         = __LINE__;       \
928       petscstack.petscroutine[petscstack.currentsize] = petsc_routine;  \
929     }                                                                   \
930     ++petscstack.currentsize;                                           \
931     petscstack.hotdepth += (hot || petscstack.hotdepth);                \
932     PetscStackSAWsGrantAccess();                                        \
933   } while (0)
934 
935 #define PetscStackPopNoCheck(funct)                    do {                                    \
936     PetscStackSAWsTakeAccess();                                                                \
937     if (PetscUnlikely(petscstack.currentsize <= 0)) {                                          \
938       if (PetscUnlikely(petscstack.check)) {                                                   \
939         printf("Invalid stack size %d, pop %s\n",petscstack.currentsize,funct);                \
940       }                                                                                        \
941     } else {                                                                                   \
942       if (--petscstack.currentsize < PETSCSTACKSIZE) {                                         \
943         if (PetscUnlikely(                                                                     \
944               petscstack.check                                &&                               \
945               petscstack.petscroutine[petscstack.currentsize] &&                               \
946               (petscstack.function[petscstack.currentsize]    !=                               \
947                (const char*)funct))) {                                                         \
948           /* We need this string comparison because "unknown" can be defined in different static strings: */ \
949           PetscBool _cmpflg;                                                                   \
950           const char *_funct = petscstack.function[petscstack.currentsize];                    \
951           PetscStrcmp(_funct,funct,&_cmpflg);                                                  \
952           if (!_cmpflg) printf("Invalid stack: push from %s, pop from %s\n", _funct,funct);    \
953         }                                                                                      \
954         petscstack.function[petscstack.currentsize]     = PETSC_NULLPTR;                       \
955         petscstack.file[petscstack.currentsize]         = PETSC_NULLPTR;                       \
956         petscstack.line[petscstack.currentsize]         = 0;                                   \
957         petscstack.petscroutine[petscstack.currentsize] = 0;                                   \
958       }                                                                                        \
959       petscstack.hotdepth = PetscMax(petscstack.hotdepth-1,0);                                 \
960     }                                                                                          \
961     PetscStackSAWsGrantAccess();                                                               \
962   } while (0)
963 
964 #define PetscStackClearTop                             do {             \
965     PetscStackSAWsTakeAccess();                                         \
966     if (petscstack.currentsize > 0 &&                                   \
967         --petscstack.currentsize < PETSCSTACKSIZE) {                    \
968       petscstack.function[petscstack.currentsize]     = PETSC_NULLPTR;  \
969       petscstack.file[petscstack.currentsize]         = PETSC_NULLPTR;  \
970       petscstack.line[petscstack.currentsize]         = 0;              \
971       petscstack.petscroutine[petscstack.currentsize] = 0;              \
972     }                                                                   \
973     petscstack.hotdepth = PetscMax(petscstack.hotdepth-1,0);            \
974     PetscStackSAWsGrantAccess();                                        \
975   } while (0)
976 
977 /*MC
978    PetscFunctionBegin - First executable line of each PETSc function,  used for error handling. Final
979       line of PETSc functions should be PetscFunctionReturn(0);
980 
981    Synopsis:
982    #include <petscsys.h>
983    void PetscFunctionBegin;
984 
985    Not Collective
986 
987    Usage:
988 .vb
989      int something;
990 
991      PetscFunctionBegin;
992 .ve
993 
994    Notes:
995      Use PetscFunctionBeginUser for application codes.
996 
997      Not available in Fortran
998 
999    Level: developer
1000 
1001 .seealso: PetscFunctionReturn(), PetscFunctionBeginHot(), PetscFunctionBeginUser()
1002 
1003 M*/
1004 #define PetscFunctionBegin do {                               \
1005     PetscStackPushNoCheck(PETSC_FUNCTION_NAME,1,PETSC_FALSE); \
1006     PetscRegister__FUNCT__();                                 \
1007   } while (0)
1008 
1009 /*MC
1010    PetscFunctionBeginHot - Substitute for PetscFunctionBegin to be used in functions that are called in
1011    performance-critical circumstances.  Use of this function allows for lighter profiling by default.
1012 
1013    Synopsis:
1014    #include <petscsys.h>
1015    void PetscFunctionBeginHot;
1016 
1017    Not Collective
1018 
1019    Usage:
1020 .vb
1021      int something;
1022 
1023      PetscFunctionBeginHot;
1024 .ve
1025 
1026    Notes:
1027      Not available in Fortran
1028 
1029    Level: developer
1030 
1031 .seealso: PetscFunctionBegin, PetscFunctionReturn()
1032 
1033 M*/
1034 #define PetscFunctionBeginHot do {                           \
1035     PetscStackPushNoCheck(PETSC_FUNCTION_NAME,1,PETSC_TRUE); \
1036     PetscRegister__FUNCT__();                                \
1037   } while (0)
1038 
1039 /*MC
1040    PetscFunctionBeginUser - First executable line of user provided PETSc routine
1041 
1042    Synopsis:
1043    #include <petscsys.h>
1044    void PetscFunctionBeginUser;
1045 
1046    Not Collective
1047 
1048    Usage:
1049 .vb
1050      int something;
1051 
1052      PetscFunctionBeginUser;
1053 .ve
1054 
1055    Notes:
1056       Final line of PETSc functions should be PetscFunctionReturn(0) except for main().
1057 
1058       Not available in Fortran
1059 
1060       This is identical to PetscFunctionBegin except it labels the routine as a user
1061       routine instead of as a PETSc library routine.
1062 
1063    Level: intermediate
1064 
1065 .seealso: PetscFunctionReturn(), PetscFunctionBegin, PetscFunctionBeginHot
1066 
1067 M*/
1068 #define PetscFunctionBeginUser do {                           \
1069     PetscStackPushNoCheck(PETSC_FUNCTION_NAME,2,PETSC_FALSE); \
1070     PetscRegister__FUNCT__();                                 \
1071   } while (0)
1072 
1073 #define PetscStackPush(n)       do {        \
1074     PetscStackPushNoCheck(n,0,PETSC_FALSE); \
1075     CHKMEMQ;                                \
1076   } while (0)
1077 
1078 #define PetscStackPop           do {             \
1079       CHKMEMQ;                                   \
1080       PetscStackPopNoCheck(PETSC_FUNCTION_NAME); \
1081     } while (0)
1082 
1083 /*MC
1084    PetscFunctionReturn - Last executable line of each PETSc function
1085         used for error handling. Replaces return()
1086 
1087    Synopsis:
1088    #include <petscsys.h>
1089    void PetscFunctionReturn(0);
1090 
1091    Not Collective
1092 
1093    Usage:
1094 .vb
1095     ....
1096      PetscFunctionReturn(0);
1097    }
1098 .ve
1099 
1100    Notes:
1101      Not available in Fortran
1102 
1103    Level: developer
1104 
1105 .seealso: PetscFunctionBegin()
1106 
1107 M*/
1108 #define PetscFunctionReturn(a)    do {          \
1109     PetscStackPopNoCheck(PETSC_FUNCTION_NAME);  \
1110     return a;                                   \
1111   } while (0)
1112 
1113 #define PetscFunctionReturnVoid() do {          \
1114     PetscStackPopNoCheck(PETSC_FUNCTION_NAME);  \
1115     return;                                     \
1116   } while (0)
1117 #else /* PETSC_USE_DEBUG */
1118 #define PetscStackPushNoCheck(funct,petsc_routine,hot)
1119 #define PetscStackPopNoCheck
1120 #define PetscStackClearTop
1121 #define PetscFunctionBegin
1122 #define PetscFunctionBeginUser
1123 #define PetscFunctionBeginHot
1124 #define PetscFunctionReturn(a)    return a
1125 #define PetscFunctionReturnVoid() return
1126 #define PetscStackPop             CHKMEMQ
1127 #define PetscStackPush(f)         CHKMEMQ
1128 #endif /* PETSC_USE_DEBUG */
1129 
1130 #if defined(PETSC_CLANG_STATIC_ANALYZER)
1131 #define PetscStackCall(name,routine)
1132 #define PetscStackCallStandard(func,...)
1133 #else
1134 /*
1135     PetscStackCall - Calls an external library routine or user function after pushing the name of the routine on the stack.
1136 
1137    Input Parameters:
1138 +   name - string that gives the name of the function being called
1139 -   routine - actual call to the routine, including ierr = and PetscCall(ierr);
1140 
1141    Note: Often one should use PetscStackCallStandard() instead. This routine is intended for external library routines that DO NOT return error codes
1142 
1143    Developer Note: this is so that when a user or external library routine results in a crash or corrupts memory, they get blamed instead of PETSc.
1144 
1145 */
1146 #define PetscStackCall(name,routine) do { PetscStackPush(name);routine;PetscStackPop; } while (0)
1147 
1148 /*
1149     PetscStackCallStandard - Calls an external library routine after pushing the name of the routine on the stack.
1150 
1151    Input Parameters:
1152 +   func-  name of the routine
1153 -   args - arguments to the routine surrounded by ()
1154 
1155    Notes:
1156     This is intended for external package routines that return error codes. Use PetscStackCall() for those that do not.
1157 
1158    Developer Note: this is so that when an external packge routine results in a crash or corrupts memory, they get blamed instead of PETSc.
1159 
1160 */
1161 #define PetscStackCallStandard(func,...) do {                                                  \
1162     PetscStackPush(PetscStringize(func));                                                      \
1163     PetscErrorCode __ierr = func(__VA_ARGS__);                                                 \
1164     PetscStackPop;                                                                             \
1165     PetscCheck(!__ierr,PETSC_COMM_SELF,PETSC_ERR_LIB,"Error in %s(): error code %d",PetscStringize(func),__ierr); \
1166   } while (0)
1167 #endif /* PETSC_CLANG_STATIC_ANALYZER */
1168 
1169 #endif
1170