xref: /petsc/src/dm/impls/forest/p4est/petsc_p4est_package.c (revision 09b68a49ed2854d1e4985cc2aa6af33c7c4e69b3)
1 #include <petscdmforest.h>
2 #include <petsc/private/petscimpl.h>
3 #include "petsc_p4est_package.h"
4 
5 static const char *const SCLogTypes[] = {"DEFAULT", "ALWAYS", "TRACE", "DEBUG", "VERBOSE", "INFO", "STATISTICS", "PRODUCTION", "ESSENTIAL", "ERROR", "SILENT", "SCLogTypes", "SC_LP_", NULL};
6 
7 static PetscBool    PetscP4estInitialized = PETSC_FALSE;
8 static PetscBool    PetscBeganSc          = PETSC_FALSE;
9 static PetscClassId P4ESTLOGGING_CLASSID;
10 
11 PetscObject P4estLoggingObject; /* Just a vehicle for its classid */
12 
PetscScLogHandler(FILE * log_stream,const char * filename,int lineno,int package,int category,int priority,const char * msg)13 static void PetscScLogHandler(FILE *log_stream, const char *filename, int lineno, int package, int category, int priority, const char *msg)
14 {
15   PetscCallVoid(PetscInfo_Private(filename, P4estLoggingObject, ":%d{%s} %s", lineno, package == sc_package_id ? "sc" : package == p4est_package_id ? "p4est" : "", msg));
16 }
17 
18 /* p4est tries to abort: if possible, use setjmp to enable at least a little unwinding */
19 #if defined(PETSC_HAVE_SETJMP_H) && defined(PETSC_USE_DEBUG)
20   #include <setjmp.h>
21 PETSC_VISIBILITY_INTERNAL jmp_buf PetscScJumpBuf;
PetscScAbort_longjmp(void)22 PETSC_INTERN void                 PetscScAbort_longjmp(void)
23 {
24   PetscErrorCode ierr = PetscError(PETSC_COMM_SELF, -1, "p4est function", "p4est file", PETSC_ERR_LIB, PETSC_ERROR_INITIAL, "Error in p4est stack call\n");
25   (void)ierr;
26   longjmp(PetscScJumpBuf, 1);
27   return;
28 }
29 
30   #define PetscScAbort PetscScAbort_longjmp
31 #else
32   #define PetscScAbort NULL
33 #endif
34 
PetscP4estFinalize(void)35 static PetscErrorCode PetscP4estFinalize(void)
36 {
37   PetscFunctionBegin;
38   if (PetscBeganSc) {
39     /* We do not want libsc to abort on a mismatched allocation and prevent further PETSc unwinding */
40     PetscCallP4est(sc_package_set_abort_alloc_mismatch, (sc_package_id, 0));
41     PetscCallP4est(sc_package_set_abort_alloc_mismatch, (p4est_package_id, 0));
42     PetscCallP4est(sc_package_set_abort_alloc_mismatch, (-1, 0));
43     PetscCallP4est(sc_finalize, ());
44   }
45   PetscCall(PetscHeaderDestroy(&P4estLoggingObject));
46   PetscFunctionReturn(PETSC_SUCCESS);
47 }
48 
PetscP4estInitialize(void)49 PetscErrorCode PetscP4estInitialize(void)
50 {
51   PetscBool psc_catch_signals    = PETSC_FALSE;
52   PetscBool psc_print_backtrace  = PETSC_TRUE;
53   int       psc_log_threshold    = SC_LP_DEFAULT;
54   int       pp4est_log_threshold = SC_LP_DEFAULT;
55   char      logList[256];
56   PetscBool opt, pkg;
57 
58   PetscFunctionBegin;
59   if (PetscP4estInitialized) PetscFunctionReturn(PETSC_SUCCESS);
60   PetscP4estInitialized = PETSC_TRUE;
61 
62   /* Register Classes */
63   PetscCall(PetscClassIdRegister("p4est logging", &P4ESTLOGGING_CLASSID));
64   /* Process Info */
65   {
66     PetscClassId classids[1];
67 
68     classids[0] = P4ESTLOGGING_CLASSID;
69     PetscCall(PetscInfoProcessClass("p4est", 1, classids));
70   }
71   /* Process summary exclusions */
72   PetscCall(PetscOptionsGetString(NULL, NULL, "-log_exclude", logList, sizeof(logList), &opt));
73   if (opt) {
74     PetscCall(PetscStrInList("p4est", logList, ',', &pkg));
75     if (pkg) PetscCall(PetscLogEventExcludeClass(P4ESTLOGGING_CLASSID));
76   }
77   PetscCall(PetscHeaderCreate(P4estLoggingObject, P4ESTLOGGING_CLASSID, "p4est", "p4est logging", "DM", PETSC_COMM_WORLD, NULL, PetscObjectView));
78   if (sc_package_id == -1) {
79     int       log_threshold_shifted = psc_log_threshold + 1;
80     PetscBool set;
81 #if defined(PETSC_HAVE_MPIUNI)
82     sc_MPI_Comm comm_world = sc_MPI_COMM_WORLD;
83 #else
84     MPI_Comm comm_world = PETSC_COMM_WORLD;
85 #endif
86 
87     PetscBeganSc = PETSC_TRUE;
88     PetscCall(PetscOptionsGetBool(NULL, NULL, "-petsc_sc_catch_signals", &psc_catch_signals, NULL));
89     PetscCall(PetscOptionsGetBool(NULL, NULL, "-petsc_sc_print_backtrace", &psc_print_backtrace, NULL));
90     PetscCall(PetscOptionsGetEnum(NULL, NULL, "-petsc_sc_log_threshold", SCLogTypes, (PetscEnum *)&log_threshold_shifted, &set));
91     if (set) psc_log_threshold = log_threshold_shifted - 1;
92     sc_init(comm_world, (int)psc_catch_signals, (int)psc_print_backtrace, PetscScLogHandler, psc_log_threshold);
93     PetscCheck(sc_package_id != -1, PETSC_COMM_WORLD, PETSC_ERR_LIB, "Could not initialize libsc package used by p4est");
94     sc_set_abort_handler(PetscScAbort);
95   }
96   if (p4est_package_id == -1) {
97     int       log_threshold_shifted = pp4est_log_threshold + 1;
98     PetscBool set;
99 
100     PetscCall(PetscOptionsGetEnum(NULL, NULL, "-petsc_p4est_log_threshold", SCLogTypes, (PetscEnum *)&log_threshold_shifted, &set));
101     if (set) pp4est_log_threshold = log_threshold_shifted - 1;
102     PetscCallP4est(p4est_init, (PetscScLogHandler, pp4est_log_threshold));
103     PetscCheck(p4est_package_id != -1, PETSC_COMM_WORLD, PETSC_ERR_LIB, "Could not initialize p4est");
104   }
105   PetscCall(DMForestRegisterType(DMP4EST));
106   PetscCall(DMForestRegisterType(DMP8EST));
107   PetscCall(PetscRegisterFinalize(PetscP4estFinalize));
108   PetscFunctionReturn(PETSC_SUCCESS);
109 }
110