Actual source code: petscerror.h
1: /*
2: Contains all error handling interfaces for PETSc.
3: */
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: */
19: #endif
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: */
28: #endif
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.
37: */
38: #define PETSC_ERR_MIN_VALUE 54 /* should always be one less then the smallest value */
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: #define PETSC_ERR_SYS 88 /* error in system call */
54: #define PETSC_ERR_ARG_SIZ 60 /* nonconforming object sizes used in operation */
55: #define PETSC_ERR_ARG_IDN 61 /* two arguments not allowed to be the same */
56: #define PETSC_ERR_ARG_WRONG 62 /* wrong argument (but object probably ok) */
57: #define PETSC_ERR_ARG_CORRUPT 64 /* null or corrupted PETSc object as argument */
58: #define PETSC_ERR_ARG_OUTOFRANGE 63 /* input argument, out of range */
59: #define PETSC_ERR_ARG_BADPTR 68 /* invalid pointer argument */
60: #define PETSC_ERR_ARG_NOTSAMETYPE 69 /* two args must be same object type */
61: #define PETSC_ERR_ARG_NOTSAMECOMM 80 /* two args must be same communicators */
62: #define PETSC_ERR_ARG_WRONGSTATE 73 /* object in argument is in wrong state, e.g. unassembled mat */
63: #define PETSC_ERR_ARG_TYPENOTSET 89 /* the type of the object has not yet been set */
64: #define PETSC_ERR_ARG_INCOMP 75 /* two arguments are incompatible */
65: #define PETSC_ERR_ARG_NULL 85 /* argument is null that should not be */
66: #define PETSC_ERR_ARG_UNKNOWN_TYPE 86 /* type name doesn't match any registered type */
68: #define PETSC_ERR_FILE_OPEN 65 /* unable to open file */
69: #define PETSC_ERR_FILE_READ 66 /* unable to read from file */
70: #define PETSC_ERR_FILE_WRITE 67 /* unable to write to file */
71: #define PETSC_ERR_FILE_UNEXPECTED 79 /* unexpected data in file */
73: #define PETSC_ERR_MAT_LU_ZRPVT 71 /* detected a zero pivot during LU factorization */
74: #define PETSC_ERR_MAT_CH_ZRPVT 81 /* detected a zero pivot during Cholesky factorization */
76: #define PETSC_ERR_FLOP_COUNT 90
77: #define PETSC_ERR_MAX_VALUE 91 /* this is always the one more than the largest error code */
79: #define PetscStringizeArg(a) #a
80: #define PetscStringize(a) PetscStringizeArg(a)
83: #if defined(PETSC_USE_ERRORCHECKING)
85: /*MC
86: SETERRQ - Macro that is called when an error has been detected,
88: Synopsis:
89: PetscErrorCode SETERRQ(PetscErrorCode errorcode,char *message)
91: Not Collective
93: Input Parameters:
94: + errorcode - nonzero error code, see the list of standard error codes in include/petscerror.h
95: - message - error message
97: Level: beginner
99: Notes:
100: Once the error handler is called the calling function is then returned from with the given error code.
102: See SETERRQ1(), SETERRQ2(), SETERRQ3() for versions that take arguments
104: In Fortran MPI_Abort() is always called
106: Experienced users can set the error handler with PetscPushErrorHandler().
108: Concepts: error^setting condition
110: .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), CHKERRQ(), CHKMEMQ, SETERRQ1(), SETERRQ2(), SETERRQ3()
111: M*/
112: #define SETERRQ(n,s) {return PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,1,s);}
114: /*MC
115: SETERRQ1 - Macro that is called when an error has been detected,
117: Synopsis:
118: PetscErrorCode SETERRQ1(PetscErrorCode errorcode,char *formatmessage,arg)
120: Not Collective
122: Input Parameters:
123: + errorcode - nonzero error code, see the list of standard error codes in include/petscerror.h
124: . message - error message in the printf format
125: - arg - argument (for example an integer, string or double)
127: Level: beginner
129: Notes:
130: Once the error handler is called the calling function is then returned from with the given error code.
132: Experienced users can set the error handler with PetscPushErrorHandler().
134: Concepts: error^setting condition
136: .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), CHKERRQ(), CHKMEMQ, SETERRQ(), SETERRQ2(), SETERRQ3()
137: M*/
138: #define SETERRQ1(n,s,a1) {return PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,1,s,a1);}
140: /*MC
141: SETERRQ2 - Macro that is called when an error has been detected,
143: Synopsis:
144: PetscErrorCode SETERRQ2(PetscErrorCode errorcode,char *formatmessage,arg1,arg2)
146: Not Collective
148: Input Parameters:
149: + errorcode - nonzero error code, see the list of standard error codes in include/petscerror.h
150: . message - error message in the printf format
151: . arg1 - argument (for example an integer, string or double)
152: - arg2 - argument (for example an integer, string or double)
154: Level: beginner
156: Notes:
157: Once the error handler is called the calling function is then returned from with the given error code.
159: Experienced users can set the error handler with PetscPushErrorHandler().
161: Concepts: error^setting condition
163: .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), CHKERRQ(), CHKMEMQ, SETERRQ1(), SETERRQ3()
164: M*/
165: #define SETERRQ2(n,s,a1,a2) {return PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,1,s,a1,a2);}
167: /*MC
168: SETERRQ3 - Macro that is called when an error has been detected,
170: Synopsis:
171: PetscErrorCode SETERRQ3(PetscErrorCode errorcode,char *formatmessage,arg1,arg2,arg3)
173: Not Collective
175: Input Parameters:
176: + errorcode - nonzero error code, see the list of standard error codes in include/petscerror.h
177: . message - error message in the printf format
178: . arg1 - argument (for example an integer, string or double)
179: . arg2 - argument (for example an integer, string or double)
180: - arg3 - argument (for example an integer, string or double)
182: Level: beginner
184: Notes:
185: Once the error handler is called the calling function is then returned from with the given error code.
187: There are also versions for 4, 5, 6 and 7 arguments.
189: Experienced users can set the error handler with PetscPushErrorHandler().
191: Concepts: error^setting condition
193: .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), CHKERRQ(), CHKMEMQ, SETERRQ1(), SETERRQ2()
194: M*/
195: #define SETERRQ3(n,s,a1,a2,a3) {return PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,1,s,a1,a2,a3);}
197: #define SETERRQ4(n,s,a1,a2,a3,a4) {return PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,1,s,a1,a2,a3,a4);}
198: #define SETERRQ5(n,s,a1,a2,a3,a4,a5) {return PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,1,s,a1,a2,a3,a4,a5);}
199: #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);}
200: #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);}
201: #define SETERRABORT(comm,n,s) {PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,1,s);MPI_Abort(comm,n);}
203: /*MC
204: CHKERRQ - Checks error code, if non-zero it calls the error handler and then returns
206: Synopsis:
207: PetscErrorCode CHKERRQ(PetscErrorCode errorcode)
209: Not Collective
211: Input Parameters:
212: . errorcode - nonzero error code, see the list of standard error codes in include/petscerror.h
214: Level: beginner
216: Notes:
217: Once the error handler is called the calling function is then returned from with the given error code.
219: Experienced users can set the error handler with PetscPushErrorHandler().
221: CHKERRQ(n) is fundamentally a macro replacement for
222: if (n) return(PetscError(...,n,...));
224: Although typical usage resembles "void CHKERRQ(PetscErrorCode)" as described above, for certain uses it is
225: highly inappropriate to use it in this manner as it invokes return(PetscErrorCode). In particular,
226: it cannot be used in functions which return(void) or any other datatype. In these types of functions,
227: you can use CHKERRV() which returns without an error code (bad idea since the error is ignored or
228: if (n) {PetscError(....); return(YourReturnType);}
229: where you may pass back a PETSC_NULL to indicate an error. You can also call CHKERRABORT(comm,n) to have
230: MPI_Abort() returned immediately.
232: In Fortran MPI_Abort() is always called
234: Concepts: error^setting condition
236: .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), SETERRQ(), CHKMEMQ, SETERRQ1(), SETERRQ2(), SETERRQ2()
237: M*/
238: #define CHKERRQ(n) if (PetscUnlikely(n)) {return PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,0," ");}
240: #define CHKERRV(n) if (PetscUnlikely(n)) {n = PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,0," ");return;}
241: #define CHKERRABORT(comm,n) if (PetscUnlikely(n)) {PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,0," ");MPI_Abort(comm,n);}
242: #define CHKERRCONTINUE(n) if (PetscUnlikely(n)) {PetscError(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,0," ");}
244: #ifdef PETSC_CLANGUAGE_CXX
246: /*MC
247: CHKERRXX - Checks error code, if non-zero it calls the C++ error handler which throws an exception
249: Synopsis:
250: void CHKERRXX(PetscErrorCode errorcode)
252: Not Collective
254: Input Parameters:
255: . errorcode - nonzero error code, see the list of standard error codes in include/petscerror.h
257: Level: beginner
259: Notes:
260: Once the error handler throws a ??? exception.
262: You can use CHKERRV() which returns without an error code (bad idea since the error is ignored)
263: or CHKERRABORT(comm,n) to have MPI_Abort() returned immediately.
265: Concepts: error^setting condition
267: .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), SETERRQ(), CHKERRQ(), CHKMEMQ
268: M*/
269: #define CHKERRXX(n) if (PetscUnlikely(n)) {PetscErrorCxx(__LINE__,__FUNCT__,__FILE__,__SDIR__,n,0);}
271: #endif
273: /*MC
274: CHKMEMQ - Checks the memory for corruption, calls error handler if any is detected
276: Synopsis:
277: CHKMEMQ;
279: Not Collective
281: Level: beginner
283: Notes:
284: Must run with the option -malloc_debug to enable this option
286: Once the error handler is called the calling function is then returned from with the given error code.
288: By defaults prints location where memory that is corrupted was allocated.
290: Use CHKMEMA for functions that return void
292: Concepts: memory corruption
294: .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), SETERRQ(), CHKMEMQ, SETERRQ1(), SETERRQ2(), SETERRQ3(),
295: PetscMallocValidate()
296: M*/
297: #define CHKMEMQ {PetscErrorCode _7_PetscMallocValidate(__LINE__,__FUNCT__,__FILE__,__SDIR__);CHKERRQ(_7_ierr);}
299: #define CHKMEMA {PetscMallocValidate(__LINE__,__FUNCT__,__FILE__,__SDIR__);}
301: #if defined(PETSC_UNDERSCORE_CHKERR)
303: #define _ __g
305: #endif
307: #define PETSC_EXCEPTIONS_MAX 256
313: EXTERN PetscErrorCode PetscExceptionPush(PetscErrorCode);
314: EXTERN PetscErrorCode PetscExceptionPop(PetscErrorCode);
316: EXTERN PetscErrorCode PetscErrorSetCatchable(PetscErrorCode,PetscTruth);
317: EXTERN PetscTruth PetscErrorIsCatchable(PetscErrorCode);
318: /*MC
319: PetscExceptionCaught - Indicates if a specific exception zierr was caught.
321: Synopsis:
322: PetscTruth PetscExceptionCaught(PetscErrorCode xierr,PetscErrorCode zierr);
324: Not Collective
326: Input Parameters:
327: + xierr - error code returned from PetscExceptionTry1() or other PETSc routine
328: - zierr - error code you want it to be
330: Level: advanced
332: Notes:
333: PETSc must not be configured using the option --with-errorchecking=0 for this to work
335: Use PetscExceptionValue() to see if an error code is being "tried"
337: Concepts: exceptions, exception handling
339: .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), SETERRQ(), CHKMEMQ, SETERRQ1(), SETERRQ2(), SETERRQ3(),
340: CHKERRQ(), PetscExceptionTry1(), PetscExceptionValue()
341: M*/
342: PETSC_STATIC_INLINE PetscTruth PetscExceptionCaught(PetscErrorCode xierr,PetscErrorCode zierr)
343: {
344: PetscInt i;
345: if (xierr != zierr) return PETSC_FALSE;
346: for (i=0; i<PetscErrorUncatchableCount; i++) {
347: if (PetscErrorUncatchable[i] == zierr) {
348: return PETSC_FALSE;
349: }
350: }
351: return PETSC_TRUE;
352: }
354: /*MC
355: PetscExceptionValue - Indicates if the error code is one that is currently being tried
357: Synopsis:
358: PetscTruth PetscExceptionValue(PetscErrorCode xierr);
360: Not Collective
362: Input Parameters:
363: . xierr - error code
365: Level: developer
367: Notes:
368: PETSc must not be configured using the option --with-errorchecking=0 for this to work
370: Use PetscExceptionCaught() to see if the current error code is EXACTLY the one you want
372: Concepts: exceptions, exception hanlding
374: .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), SETERRQ(), CHKMEMQ, SETERRQ1(), SETERRQ2(), SETERRQ3(),
375: CHKERRQ(), PetscExceptionTry1(), PetscExceptionCaught()
376: M*/
377: PETSC_STATIC_INLINE PetscTruth PetscExceptionValue(PetscErrorCode zierr)
378: {
379: PetscInt i;
380: for (i=0; i<PetscExceptionsCount; i++) {
381: if (PetscExceptions[i] == zierr) {
382: return PETSC_TRUE;
383: }
384: }
385: return PETSC_FALSE;
386: }
388: /*MC
389: PetscExceptionTry1 - Runs the routine, causing a particular error code to be treated as an exception,
390: rather than an error. That is if that error code is treated the program returns to this level,
391: but does not call the error handlers
393: Synopsis:
394: PetscErrorCode PetscExceptionTry1(PetscErrorCode routine(....),PetscErrorCode);
396: Not Collective
398: Level: advanced
400: No Fortran Equivalent (see PetscExceptionPush() for Fortran)
402: Notes:
403: PETSc must not be configured using the option --with-errorchecking=0 for this to work
405: Note: In general, the outer most try on an exception is the one that will be caught (that is trys down in
406: PETSc code will not usually handle an exception that was issued above). See SNESSolve() for an example
407: of how the local try is ignored if a higher (in the stack) one is also in effect.
409: Concepts: exceptions, exception hanlding
411: .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), SETERRQ(), CHKMEMQ, SETERRQ1(), SETERRQ2(), SETERRQ3(),
412: CHKERRQ(), PetscExceptionCaught(), PetscExceptionPush(), PetscExceptionPop()
413: M*/
415: #define PetscExceptionTry1(a,b) (PetscExceptionTmp1 = PetscExceptionPush(b)) ? PetscExceptionTmp1 : (PetscExceptionTmp1 = a, (PetscExceptionTmp = PetscExceptionPop(b)) ? PetscExceptionTmp : PetscExceptionTmp1)
417: /*
418: Used by PetscExceptionTrySync(). Returns zierr on ALL processes in comm iff xierr is zierr on at least one process and zero on all others.
419: */
420: PETSC_STATIC_INLINE PetscErrorCode PetscExceptionTrySync_Private(MPI_Comm comm,PetscErrorCode xierr,PetscErrorCode zierr)
421: {
422: PetscReal in[2],out[2];
425: if (xierr != zierr) return xierr;
427: in[0] = xierr;
428: in[1] = 0.0; /* dummy value */
430: MPI_Allreduce(in,out,2,MPIU_REAL,0,comm); if (ierr) {;}
431: return xierr;
432: }
434: /*MC
435: PetscExceptionTrySyncNorm - Runs the routine, causing a particular error code to be treated as an exception,
436: rather than an error. That is if that error code is treated the program returns to this level,
437: but does not call the error handlers
439: Synopsis:
440: PetscExceptionTrySyncNorm(MPI_Comm comm,PetscErrorCode routine(....),PetscErrorCode);
442: Collective on Comm
444: Level: advanced
446: Notes: This synchronizes the error code across all processes in the communicator IF the code matches PetscErrorCode. The next
447: call with an MPI_Reduce()/MPI_Allreduce() MUST be VecNorm() [We can added VecDot() and maybe others as needed].
449: PETSc must not be configured using the option --with-errorchecking=0 for this to work
451: Note: In general, the outer most try on an exception is the one that will be caught (that is trys down in
452: PETSc code will not usually handle an exception that was issued above). See SNESSolve() for an example
453: of how the local try is ignored if a higher (in the stack) one is also in effect.
455: Concepts: exceptions, exception hanlding
457: .seealso: PetscTraceBackErrorHandler(), PetscPushErrorHandler(), PetscError(), SETERRQ(), CHKMEMQ, SETERRQ1(), SETERRQ2(), SETERRQ3(),
458: CHKERRQ(), PetscExceptionCaught(), PetscExceptionPush(), PetscExceptionPop(), PetscExceptionTry1()
459: M*/
460: #define PetscExceptionTrySyncNorm(comm,a,b) (PetscExceptionTmp = PetscExceptionPush(b)) ? PetscExceptionTmp : \
461: (PetscExceptionTmp = a , PetscExceptionPop(b),PetscExceptionTrySyncNorm_Private(comm,PetscExceptionTmp,b))
463: #else
465: /*
466: These are defined to be empty for when error checking is turned off, with config/configure.py --with-errorchecking=0
467: */
469: #define SETERRQ(n,s) ;
470: #define SETERRQ1(n,s,a1) ;
471: #define SETERRQ2(n,s,a1,a2) ;
472: #define SETERRQ3(n,s,a1,a2,a3) ;
473: #define SETERRQ4(n,s,a1,a2,a3,a4) ;
474: #define SETERRQ5(n,s,a1,a2,a3,a4,a5) ;
475: #define SETERRQ6(n,s,a1,a2,a3,a4,a5,a6) ;
476: #define SETERRABORT(comm,n,s) ;
478: #define CHKERRQ(n) ;
479: #define CHKERRABORT(comm,n) ;
480: #define CHKERRCONTINUE(n) ;
481: #define CHKMEMQ ;
483: #if !defined(PETSC_SKIP_UNDERSCORE_CHKERR)
484: #define _
486: #endif
488: #define PetscExceptionPush(a) 0
489: #define PetscExceptionPop(a) 0
490: #define PetscErrorSetCatchable(a,b) 0
491: #define PetscErrorIsCatchable(a) PETSC_FALSE
493: #define PetscExceptionCaught(a,b) PETSC_FALSE
494: #define PetscExceptionValue(a) PETSC_FALSE
495: #define PetscExceptionTry1(a,b) a
496: #define PetscExceptionTrySyncNorm(comm,a,b) a
498: #endif
500: EXTERN PetscErrorCode PetscErrorPrintfInitialize(void);
501: EXTERN PetscErrorCode PetscErrorMessage(int,const char*[],char **);
502: EXTERN PetscErrorCode PetscTraceBackErrorHandler(int,const char*,const char*,const char*,PetscErrorCode,int,const char*,void*);
504: #include <sstream>
505: EXTERN void PetscTraceBackErrorHandlerCxx(int,const char *,const char *,const char *,PetscErrorCode,int, std::ostringstream&);
506: #endif
507: EXTERN PetscErrorCode PetscIgnoreErrorHandler(int,const char*,const char*,const char*,PetscErrorCode,int,const char*,void*);
508: EXTERN PetscErrorCode PetscEmacsClientErrorHandler(int,const char*,const char*,const char*,PetscErrorCode,int,const char*,void*);
509: EXTERN PetscErrorCode PetscMPIAbortErrorHandler(int,const char*,const char*,const char*,PetscErrorCode,int,const char*,void*);
510: EXTERN PetscErrorCode PetscAbortErrorHandler(int,const char*,const char*,const char*,PetscErrorCode,int,const char*,void*);
511: EXTERN PetscErrorCode PetscAttachDebuggerErrorHandler(int,const char*,const char*,const char*,PetscErrorCode,int,const char*,void*);
512: EXTERN PetscErrorCode PetscReturnErrorHandler(int,const char*,const char*,const char*,PetscErrorCode,int,const char*,void*);
513: EXTERN PetscErrorCode PetscError(int,const char*,const char*,const char*,PetscErrorCode,int,const char*,...) PETSC_PRINTF_FORMAT_CHECK(7,8);
514: EXTERN void PetscErrorCxx(int,const char*,const char*,const char*,PetscErrorCode,int);
515: EXTERN PetscErrorCode PetscPushErrorHandler(PetscErrorCode (*handler)(int,const char*,const char*,const char*,PetscErrorCode,int,const char*,void*),void*);
516: EXTERN PetscErrorCode PetscPopErrorHandler(void);
517: EXTERN PetscErrorCode PetscDefaultSignalHandler(int,void*);
518: EXTERN PetscErrorCode PetscPushSignalHandler(PetscErrorCode (*)(int,void *),void*);
519: EXTERN PetscErrorCode PetscPopSignalHandler(void);
521: typedef enum {PETSC_FP_TRAP_OFF=0,PETSC_FP_TRAP_ON=1} PetscFPTrap;
522: EXTERN PetscErrorCode PetscSetFPTrap(PetscFPTrap);
524: /*
525: Allows the code to build a stack frame as it runs
526: */
527: #if defined(PETSC_USE_DEBUG)
529: #define PETSCSTACKSIZE 15
531: typedef struct {
532: const char *function[PETSCSTACKSIZE];
533: const char *file[PETSCSTACKSIZE];
534: const char *directory[PETSCSTACKSIZE];
535: int line[PETSCSTACKSIZE];
536: int currentsize;
537: } PetscStack;
540: EXTERN PetscErrorCode PetscStackCopy(PetscStack*,PetscStack*);
541: EXTERN PetscErrorCode PetscStackPrint(PetscStack*,FILE* fp);
543: #define PetscStackActive (petscstack != 0)
546: /*MC
548: used for error handling.
550: Synopsis:
553: Not Collective
555: Usage:
556: .vb
557: int something;
560: .ve
562: Notes:
563: Not available in Fortran
565: Level: developer
567: .seealso: PetscFunctionReturn()
569: .keywords: traceback, error handling
570: M*/
572: {\
573: if (petscstack && (petscstack->currentsize < PETSCSTACKSIZE)) { \
574: petscstack->function[petscstack->currentsize] = __FUNCT__; \
575: petscstack->file[petscstack->currentsize] = __FILE__; \
576: petscstack->directory[petscstack->currentsize] = __SDIR__; \
577: petscstack->line[petscstack->currentsize] = __LINE__; \
578: petscstack->currentsize++; \
579: }}
581: #define PetscStackPush(n) \
582: {if (petscstack && (petscstack->currentsize < PETSCSTACKSIZE)) { \
583: petscstack->function[petscstack->currentsize] = n; \
584: petscstack->file[petscstack->currentsize] = "unknown"; \
585: petscstack->directory[petscstack->currentsize] = "unknown"; \
586: petscstack->line[petscstack->currentsize] = 0; \
587: petscstack->currentsize++; \
588: }}
590: #define PetscStackPop \
591: {if (petscstack && petscstack->currentsize > 0) { \
592: petscstack->currentsize--; \
593: petscstack->function[petscstack->currentsize] = 0; \
594: petscstack->file[petscstack->currentsize] = 0; \
595: petscstack->directory[petscstack->currentsize] = 0; \
596: petscstack->line[petscstack->currentsize] = 0; \
597: }};
599: /*MC
600: PetscFunctionReturn - Last executable line of each PETSc function
601: used for error handling. Replaces return()
603: Synopsis:
604: void return(0);
606: Not Collective
608: Usage:
609: .vb
610: ....
611: return(0);
612: }
613: .ve
615: Notes:
616: Not available in Fortran
618: Level: developer
622: .keywords: traceback, error handling
623: M*/
624: #define PetscFunctionReturn(a) \
625: {\
626: PetscStackPop; \
627: return(a);}
629: #define PetscFunctionReturnVoid() \
630: {\
631: PetscStackPop; \
632: return;}
635: #else
638: #define PetscFunctionReturn(a) return(a)
639: #define PetscFunctionReturnVoid() return
640: #define PetscStackPop
641: #define PetscStackPush(f)
642: #define PetscStackActive 0
644: #endif
646: EXTERN PetscErrorCode PetscStackCreate(void);
647: EXTERN PetscErrorCode PetscStackView(PetscViewer);
648: EXTERN PetscErrorCode PetscStackDestroy(void);
649: EXTERN PetscErrorCode PetscStackPublish(void);
650: EXTERN PetscErrorCode PetscStackDepublish(void);
654: #endif