1 /* 2 Contains all error handling interfaces for PETSc. 3 */ 4 #if !defined(__PETSCERROR_H) 5 #define __PETSCERROR_H 6 #include "petsc.h" 7 PETSC_EXTERN_CXX_BEGIN 8 9 /* 10 Defines the directory where the compiled source is located; used 11 in printing error messages. Each makefile has an entry 12 LOCDIR = thedirectory 13 and bmake/common_variables includes in CCPPFLAGS -D__SDIR__='"${LOCDIR}"' 14 which is a flag passed to the C/C++ compilers. This declaration below 15 is only needed if some code is compiled without the -D__SDIR__ 16 */ 17 #if !defined(__SDIR__) 18 #define __SDIR__ "unknowndirectory/" 19 #endif 20 21 /* 22 Defines the function where the compiled source is located; used 23 in printing error messages. This is defined here in case the user 24 does not declare it. 25 */ 26 #if !defined(__FUNCT__) 27 #define __FUNCT__ "User provided function" 28 #endif 29 30 /* 31 These are the generic error codes. These error codes are used 32 many different places in the PETSc source code. The string versions are 33 at src/sys/error/err.c any changes here must also be made there 34 These are also define in include/finclude/petscerror.h any CHANGES here 35 must be also made there. 36 37 */ 38 #define PETSC_ERR_MIN_VALUE 54 /* should always be one less then the smallest value */ 39 40 #define PETSC_ERR_MEM 55 /* unable to allocate requested memory */ 41 #define PETSC_ERR_SUP 56 /* no support for requested operation */ 42 #define PETSC_ERR_SUP_SYS 57 /* no support for requested operation on this computer system */ 43 #define PETSC_ERR_ORDER 58 /* operation done in wrong order */ 44 #define PETSC_ERR_SIG 59 /* signal received */ 45 #define PETSC_ERR_FP 72 /* floating point exception */ 46 #define PETSC_ERR_COR 74 /* corrupted PETSc object */ 47 #define PETSC_ERR_LIB 76 /* error in library called by PETSc */ 48 #define PETSC_ERR_PLIB 77 /* PETSc library generated inconsistent data */ 49 #define PETSC_ERR_MEMC 78 /* memory corruption */ 50 #define PETSC_ERR_CONV_FAILED 82 /* iterative method (KSP or SNES) failed */ 51 #define PETSC_ERR_USER 83 /* user has not provided needed function */ 52 53 #define PETSC_ERR_ARG_SIZ 60 /* nonconforming object sizes used in operation */ 54 #define PETSC_ERR_ARG_IDN 61 /* two arguments not allowed to be the same */ 55 #define PETSC_ERR_ARG_WRONG 62 /* wrong argument (but object probably ok) */ 56 #define PETSC_ERR_ARG_CORRUPT 64 /* null or corrupted PETSc object as argument */ 57 #define PETSC_ERR_ARG_OUTOFRANGE 63 /* input argument, out of range */ 58 #define PETSC_ERR_ARG_BADPTR 68 /* invalid pointer argument */ 59 #define PETSC_ERR_ARG_NOTSAMETYPE 69 /* two args must be same object type */ 60 #define PETSC_ERR_ARG_NOTSAMECOMM 80 /* two args must be same communicators */ 61 #define PETSC_ERR_ARG_WRONGSTATE 73 /* object in argument is in wrong state, e.g. unassembled mat */ 62 #define PETSC_ERR_ARG_INCOMP 75 /* two arguments are incompatible */ 63 #define PETSC_ERR_ARG_NULL 85 /* argument is null that should not be */ 64 #define PETSC_ERR_ARG_UNKNOWN_TYPE 86 /* type name doesn't match any registered type */ 65 #define PETSC_ERR_ARG_DOMAIN 87 /* argument is not in domain of function */ 66 67 #define PETSC_ERR_FILE_OPEN 65 /* unable to open file */ 68 #define PETSC_ERR_FILE_READ 66 /* unable to read from file */ 69 #define PETSC_ERR_FILE_WRITE 67 /* unable to write to file */ 70 #define PETSC_ERR_FILE_UNEXPECTED 79 /* unexpected data in file */ 71 72 #define PETSC_ERR_MAT_LU_ZRPVT 71 /* detected a zero pivot during LU factorization */ 73 #define PETSC_ERR_MAT_CH_ZRPVT 81 /* detected a zero pivot during Cholesky factorization */ 74 75 #define PETSC_ERR_MAX_VALUE 88 /* this is always the one more than the largest error code */ 76 77 #if defined(PETSC_USE_ERRORCHECKING) 78 79 /*MC 80 SETERRQ - Macro that is called when an error has been detected, 81 82 Not Collective 83 84 Synopsis: 85 void SETERRQ(PetscErrorCode errorcode,char *message) 86 87 88 Input Parameters: 89 + errorcode - nonzero error code, see the list of standard error codes in include/petscerror.h 90 - message - error message 91 92 Level: beginner 93 94 Notes: 95 Once the error handler is called the calling function is then returned from with the given error code. 96 97 See SETERRQ1(), SETERRQ2(), SETERRQ3() for versions that take arguments 98 99 100 Experienced users can set the error handler with PetscPushErrorHandler(). 101 102 Concepts: error^setting condition 103 104 .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), CHKERRQ(), CHKMEMQ, SETERRQ1(), SETERRQ2(), SETERRQ3() 105 M*/ 106 #define SETERRQ(n,s) {return PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,1,s);} 107 108 /*MC 109 SETERRQ1 - Macro that is called when an error has been detected, 110 111 Not Collective 112 113 Synopsis: 114 void SETERRQ1(PetscErrorCode errorcode,char *formatmessage,arg) 115 116 117 Input Parameters: 118 + errorcode - nonzero error code, see the list of standard error codes in include/petscerror.h 119 . message - error message in the printf format 120 - arg - argument (for example an integer, string or double) 121 122 Level: beginner 123 124 Notes: 125 Once the error handler is called the calling function is then returned from with the given error code. 126 127 Experienced users can set the error handler with PetscPushErrorHandler(). 128 129 Concepts: error^setting condition 130 131 .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), CHKERRQ(), CHKMEMQ, SETERRQ(), SETERRQ2(), SETERRQ3() 132 M*/ 133 #define SETERRQ1(n,s,a1) {return PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,1,s,a1);} 134 135 /*MC 136 SETERRQ2 - Macro that is called when an error has been detected, 137 138 Not Collective 139 140 Synopsis: 141 void SETERRQ2(PetscErrorCode errorcode,char *formatmessage,arg1,arg2) 142 143 144 Input Parameters: 145 + errorcode - nonzero error code, see the list of standard error codes in include/petscerror.h 146 . message - error message in the printf format 147 . arg1 - argument (for example an integer, string or double) 148 - arg2 - argument (for example an integer, string or double) 149 150 Level: beginner 151 152 Notes: 153 Once the error handler is called the calling function is then returned from with the given error code. 154 155 Experienced users can set the error handler with PetscPushErrorHandler(). 156 157 Concepts: error^setting condition 158 159 .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), CHKERRQ(), CHKMEMQ, SETERRQ1(), SETERRQ3() 160 M*/ 161 #define SETERRQ2(n,s,a1,a2) {return PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,1,s,a1,a2);} 162 163 /*MC 164 SETERRQ3 - Macro that is called when an error has been detected, 165 166 Not Collective 167 168 Synopsis: 169 void SETERRQ3(PetscErrorCode errorcode,char *formatmessage,arg1,arg2,arg3) 170 171 172 Input Parameters: 173 + errorcode - nonzero error code, see the list of standard error codes in include/petscerror.h 174 . message - error message in the printf format 175 . arg1 - argument (for example an integer, string or double) 176 . arg2 - argument (for example an integer, string or double) 177 - arg3 - argument (for example an integer, string or double) 178 179 Level: beginner 180 181 Notes: 182 Once the error handler is called the calling function is then returned from with the given error code. 183 184 There are also versions for 4, 5, 6 and 7 arguments. 185 186 Experienced users can set the error handler with PetscPushErrorHandler(). 187 188 Concepts: error^setting condition 189 190 .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), CHKERRQ(), CHKMEMQ, SETERRQ1(), SETERRQ2() 191 M*/ 192 #define SETERRQ3(n,s,a1,a2,a3) {return PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,1,s,a1,a2,a3);} 193 194 #define SETERRQ4(n,s,a1,a2,a3,a4) {return PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,1,s,a1,a2,a3,a4);} 195 #define SETERRQ5(n,s,a1,a2,a3,a4,a5) {return PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,1,s,a1,a2,a3,a4,a5);} 196 #define SETERRQ6(n,s,a1,a2,a3,a4,a5,a6) {return PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,1,s,a1,a2,a3,a4,a5,a6);} 197 #define SETERRQ7(n,s,a1,a2,a3,a4,a5,a6,a7) {return PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,1,s,a1,a2,a3,a4,a5,a6,a7);} 198 #define SETERRABORT(comm,n,s) {PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,1,s);MPI_Abort(comm,n);} 199 200 /*MC 201 CHKERRQ - Checks error code, if non-zero it calls the error handler and then returns 202 203 Not Collective 204 205 Synopsis: 206 void CHKERRQ(PetscErrorCode errorcode) 207 208 209 Input Parameters: 210 . errorcode - nonzero error code, see the list of standard error codes in include/petscerror.h 211 212 Level: beginner 213 214 Notes: 215 Once the error handler is called the calling function is then returned from with the given error code. 216 217 Experienced users can set the error handler with PetscPushErrorHandler(). 218 219 CHKERRQ(n) is fundamentally a macro replacement for 220 if (n) return(PetscError(...,n,...)); 221 222 Although typical usage resembles "void CHKERRQ(PetscErrorCode)" as described above, for certain uses it is 223 highly inappropriate to use it in this manner as it invokes return(PetscErrorCode). In particular, 224 it cannot be used in functions which return(void) or any other datatype. In these types of functions, 225 a more appropriate construct for using PETSc Error Handling would be 226 if (n) {PetscError(....); return(YourReturnType);} 227 228 Concepts: error^setting condition 229 230 .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), SETERRQ(), CHKMEMQ, SETERRQ1(), SETERRQ2(), SETERRQ2() 231 M*/ 232 #define CHKERRQ(n) if (n) {return PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,0," ");} 233 234 #define CHKERRABORT(comm,n) if (n) {PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,0," ");MPI_Abort(comm,n);} 235 #define CHKERRCONTINUE(n) if (n) {PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,0," ");} 236 237 /*MC 238 CHKMEMQ - Checks the memory for corruption, calls error handler if any is detected 239 240 Not Collective 241 242 Synopsis: 243 CHKMEMQ; 244 245 Level: beginner 246 247 Notes: 248 Must run with the option -malloc_debug to enable this option 249 250 Once the error handler is called the calling function is then returned from with the given error code. 251 252 By defaults prints location where memory that is corrupted was allocated. 253 254 Use CHKMEMA for functions that return void 255 256 Concepts: memory corruption 257 258 .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), SETERRQ(), CHKMEMQ, SETERRQ1(), SETERRQ2(), SETERRQ3(), 259 PetscMallocValidate() 260 M*/ 261 #define CHKMEMQ {PetscErrorCode _7_ierr = PetscMallocValidate(__LINE__,__FUNCT__,__FILE__,__SDIR__);CHKERRQ(_7_ierr);} 262 263 #define CHKMEMA {PetscMallocValidate(__LINE__,__FUNCT__,__FILE__,__SDIR__);} 264 265 #if defined(PETSC_UNDERSCORE_CHKERR) 266 extern PetscErrorCode __gierr; 267 #define _ __gierr = 268 #define ___ CHKERRQ(__gierr); 269 #endif 270 271 #define PETSC_EXCEPTIONS_MAX 256 272 extern PetscErrorCode PetscErrorUncatchable[PETSC_EXCEPTIONS_MAX]; 273 extern PetscInt PetscErrorUncatchableCount; 274 extern PetscErrorCode PetscExceptions[PETSC_EXCEPTIONS_MAX]; 275 extern PetscInt PetscExceptionsCount; 276 277 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscExceptionPush(PetscErrorCode); 278 EXTERN void PETSC_DLLEXPORT PetscExceptionPop(PetscErrorCode); 279 280 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscErrorSetCatchable(PetscErrorCode,PetscTruth); 281 EXTERN PetscTruth PETSC_DLLEXPORT PetscErrorIsCatchable(PetscErrorCode); 282 /*MC 283 PetscExceptionCaught - Indicates if a specific exception zierr was caught. 284 285 Not Collective 286 287 Synopsis: 288 PetscTruth PetscExceptionCaught(PetscErrorCode xierr,PetscErrorCode zierr); 289 290 Input Parameters: 291 + xierr - error code returned from PetscExceptionTry1() 292 - zierr - error code you want it to be 293 294 Level: advanced 295 296 Notes: 297 PETSc must not be configured using the option --with-errorchecking=0 for this to work 298 299 Use PetscExceptionValue() to see if the current error code is one that has been "tried" 300 301 Concepts: exceptions, exception hanlding 302 303 .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), SETERRQ(), CHKMEMQ, SETERRQ1(), SETERRQ2(), SETERRQ3(), 304 CHKERRQ(), PetscExceptionTry1(), PetscExceptionValue() 305 M*/ 306 PETSC_STATIC_INLINE PetscTruth PetscExceptionCaught(PetscErrorCode xierr,PetscErrorCode zierr) { 307 PetscInt i; 308 if (xierr != zierr) return PETSC_FALSE; 309 for (i=0; i<PetscErrorUncatchableCount; i++) { 310 if (PetscErrorUncatchable[i] == zierr) { 311 return PETSC_FALSE; 312 } 313 } 314 return PETSC_TRUE; 315 } 316 317 /*MC 318 PetscExceptionValue - Indicates if the error code is one that is currently being tried 319 320 Not Collective 321 322 Synopsis: 323 PetscTruth PetscExceptionValue(PetscErrorCode xierr); 324 325 Input Parameters: 326 . xierr - error code 327 328 Level: developer 329 330 Notes: 331 PETSc must not be configured using the option --with-errorchecking=0 for this to work 332 333 Use PetscExceptionCaught() to see if the current error code is EXACTLY the one you want 334 335 Concepts: exceptions, exception hanlding 336 337 .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), SETERRQ(), CHKMEMQ, SETERRQ1(), SETERRQ2(), SETERRQ3(), 338 CHKERRQ(), PetscExceptionTry1(), PetscExceptionCaught() 339 M*/ 340 PETSC_STATIC_INLINE PetscTruth PetscExceptionValue(PetscErrorCode zierr) { 341 PetscInt i; 342 for (i=0; i<PetscExceptionsCount; i++) { 343 if (PetscExceptions[i] == zierr) { 344 return PETSC_TRUE; 345 } 346 } 347 return PETSC_FALSE; 348 } 349 350 /*MC 351 PetscExceptionTry1 - Runs the routine, causing a particular error code to be treated as an exception, 352 rather than an error. That is if that error code is treated the program returns to this level, 353 but does not call the error handlers 354 355 Not Collective 356 357 Synopsis: 358 PetscExceptionTry1(PetscErrorCode routine(....),PetscErrorCode); 359 360 Level: advanced 361 362 Notes: 363 PETSc must not be configured using the option --with-errorchecking=0 for this to work 364 365 Note: In general, the outer most try on an exception is the one that will be caught (that is trys down in 366 PETSc code will not usually handle an exception that was issued above). See SNESSolve() for an example 367 of how the local try is ignored if a higher (in the stack) one is also in effect. 368 369 Concepts: exceptions, exception hanlding 370 371 .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), SETERRQ(), CHKMEMQ, SETERRQ1(), SETERRQ2(), SETERRQ3(), 372 CHKERRQ(), PetscExceptionCaught(), PetscExceptionPush(), PetscExceptionPop() 373 M*/ 374 extern PetscErrorCode PetscExceptionTmp; 375 #define PetscExceptionTry1(a,b) (PetscExceptionTmp = PetscExceptionPush(b)) ? PetscExceptionTmp : (PetscExceptionTmp = a , PetscExceptionPop(b),PetscExceptionTmp) 376 377 #else 378 379 /* 380 These are defined to be empty for when error checking is turned off, with config/configure.py --with-errorchecking=0 381 */ 382 383 #define SETERRQ(n,s) ; 384 #define SETERRQ1(n,s,a1) ; 385 #define SETERRQ2(n,s,a1,a2) ; 386 #define SETERRQ3(n,s,a1,a2,a3) ; 387 #define SETERRQ4(n,s,a1,a2,a3,a4) ; 388 #define SETERRQ5(n,s,a1,a2,a3,a4,a5) ; 389 #define SETERRQ6(n,s,a1,a2,a3,a4,a5,a6) ; 390 #define SETERRABORT(comm,n,s) ; 391 392 #define CHKERRQ(n) ; 393 #define CHKERRABORT(comm,n) ; 394 #define CHKERRCONTINUE(n) ; 395 396 #define CHKMEMQ ; 397 398 #if !defined(PETSC_SKIP_UNDERSCORE_CHKERR) 399 #define _ 400 #define ___ 401 #endif 402 403 #define PetscErrorSetCatchable(a,b) 0 404 #define PetscExceptionCaught(a,b) PETSC_FALSE 405 #define PetscExceptionValue(a) PETSC_FALSE 406 #define PetscExceptionTry1(a,b) a 407 #endif 408 409 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscErrorPrintfInitialize(void); 410 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscErrorMessage(int,const char*[],char **); 411 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscTraceBackErrorHandler(int,const char*,const char*,const char*,PetscErrorCode,int,const char*,void*); 412 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscIgnoreErrorHandler(int,const char*,const char*,const char*,PetscErrorCode,int,const char*,void*); 413 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscEmacsClientErrorHandler(int,const char*,const char*,const char*,PetscErrorCode,int,const char*,void*); 414 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStopErrorHandler(int,const char*,const char*,const char*,PetscErrorCode,int,const char*,void*); 415 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscAbortErrorHandler(int,const char*,const char*,const char*,PetscErrorCode,int,const char*,void*); 416 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscAttachDebuggerErrorHandler(int,const char*,const char*,const char*,PetscErrorCode,int,const char*,void*); 417 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscReturnErrorHandler(int,const char*,const char*,const char*,PetscErrorCode,int,const char*,void*); 418 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscError(int,const char*,const char*,const char*,PetscErrorCode,int,const char*,...) PETSC_PRINTF_FORMAT_CHECK(7,8); 419 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPushErrorHandler(PetscErrorCode (*handler)(int,const char*,const char*,const char*,PetscErrorCode,int,const char*,void*),void*); 420 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPopErrorHandler(void); 421 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscDefaultSignalHandler(int,void*); 422 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPushSignalHandler(PetscErrorCode (*)(int,void *),void*); 423 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscPopSignalHandler(void); 424 425 typedef enum {PETSC_FP_TRAP_OFF=0,PETSC_FP_TRAP_ON=1} PetscFPTrap; 426 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscSetFPTrap(PetscFPTrap); 427 428 /* 429 Allows the code to build a stack frame as it runs 430 */ 431 #if defined(PETSC_USE_DEBUG) 432 433 #define PETSCSTACKSIZE 15 434 435 typedef struct { 436 const char *function[PETSCSTACKSIZE]; 437 const char *file[PETSCSTACKSIZE]; 438 const char *directory[PETSCSTACKSIZE]; 439 int line[PETSCSTACKSIZE]; 440 int currentsize; 441 } PetscStack; 442 443 extern PETSC_DLLEXPORT PetscStack *petscstack; 444 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStackCopy(PetscStack*,PetscStack*); 445 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStackPrint(PetscStack*,FILE* fp); 446 447 #define PetscStackActive (petscstack != 0) 448 449 450 /*MC 451 PetscFunctionBegin - First executable line of each PETSc function 452 used for error handling. 453 454 Synopsis: 455 void PetscFunctionBegin; 456 457 Usage: 458 .vb 459 int something; 460 461 PetscFunctionBegin; 462 .ve 463 464 Notes: 465 Not available in Fortran 466 467 Level: developer 468 469 .seealso: PetscFunctionReturn() 470 471 .keywords: traceback, error handling 472 M*/ 473 #define PetscFunctionBegin \ 474 {\ 475 if (petscstack && (petscstack->currentsize < PETSCSTACKSIZE)) { \ 476 petscstack->function[petscstack->currentsize] = __FUNCT__; \ 477 petscstack->file[petscstack->currentsize] = __FILE__; \ 478 petscstack->directory[petscstack->currentsize] = __SDIR__; \ 479 petscstack->line[petscstack->currentsize] = __LINE__; \ 480 petscstack->currentsize++; \ 481 }} 482 483 #define PetscStackPush(n) \ 484 {if (petscstack && (petscstack->currentsize < PETSCSTACKSIZE)) { \ 485 petscstack->function[petscstack->currentsize] = n; \ 486 petscstack->file[petscstack->currentsize] = "unknown"; \ 487 petscstack->directory[petscstack->currentsize] = "unknown"; \ 488 petscstack->line[petscstack->currentsize] = 0; \ 489 petscstack->currentsize++; \ 490 }} 491 492 #define PetscStackPop \ 493 {if (petscstack && petscstack->currentsize > 0) { \ 494 petscstack->currentsize--; \ 495 petscstack->function[petscstack->currentsize] = 0; \ 496 petscstack->file[petscstack->currentsize] = 0; \ 497 petscstack->directory[petscstack->currentsize] = 0; \ 498 petscstack->line[petscstack->currentsize] = 0; \ 499 }}; 500 501 /*MC 502 PetscFunctionReturn - Last executable line of each PETSc function 503 used for error handling. Replaces return() 504 505 Synopsis: 506 void PetscFunctionReturn(0); 507 508 Usage: 509 .vb 510 .... 511 PetscFunctionReturn(0); 512 } 513 .ve 514 515 Notes: 516 Not available in Fortran 517 518 Level: developer 519 520 .seealso: PetscFunctionBegin() 521 522 .keywords: traceback, error handling 523 M*/ 524 #define PetscFunctionReturn(a) \ 525 {\ 526 PetscStackPop; \ 527 return(a);} 528 529 #define PetscFunctionReturnVoid() \ 530 {\ 531 PetscStackPop; \ 532 return;} 533 534 535 #else 536 537 #define PetscFunctionBegin 538 #define PetscFunctionReturn(a) return(a) 539 #define PetscFunctionReturnVoid() return 540 #define PetscStackPop 541 #define PetscStackPush(f) 542 #define PetscStackActive 0 543 544 #endif 545 546 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStackCreate(void); 547 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStackView(PetscViewer); 548 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStackDestroy(void); 549 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStackPublish(void); 550 EXTERN PetscErrorCode PETSC_DLLEXPORT PetscStackDepublish(void); 551 552 553 PETSC_EXTERN_CXX_END 554 #endif 555