xref: /petsc/src/dm/impls/forest/p4est/petsc_p4est_package.c (revision d2522c19e8fa9bca20aaca277941d9a63e71db6a)
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 
13 static void PetscScLogHandler(FILE *log_stream, const char *filename, int lineno, int package, int category, int priority, const char *msg) {
14   PetscInfo_Private(filename, P4estLoggingObject, ":%d{%s} %s", lineno, package == sc_package_id ? "sc" : package == p4est_package_id ? "p4est" : "", msg);
15 }
16 
17 /* p4est tries to abort: if possible, use setjmp to enable at least a little unwinding */
18 #if defined(PETSC_HAVE_SETJMP_H) && defined(PETSC_USE_DEBUG)
19 #include <setjmp.h>
20 PETSC_VISIBILITY_INTERNAL jmp_buf PetscScJumpBuf;
21 PETSC_INTERN void                 PetscScAbort_longjmp(void) {
22                   PetscError(PETSC_COMM_SELF, -1, "p4est function", "p4est file", PETSC_ERR_LIB, PETSC_ERROR_INITIAL, "Error in p4est stack call\n");
23                   longjmp(PetscScJumpBuf, 1);
24                   return;
25 }
26 
27 #define PetscScAbort PetscScAbort_longjmp
28 #else
29 #define PetscScAbort NULL
30 #endif
31 
32 static PetscErrorCode PetscP4estFinalize(void) {
33   PetscFunctionBegin;
34   if (PetscBeganSc) {
35     /* We do not want libsc to abort on a mismatched allocation and prevent further Petsc unwinding */
36     PetscCallP4est(sc_package_set_abort_alloc_mismatch, (sc_package_id, 0));
37     PetscCallP4est(sc_package_set_abort_alloc_mismatch, (p4est_package_id, 0));
38     PetscCallP4est(sc_package_set_abort_alloc_mismatch, (-1, 0));
39     PetscCallP4est(sc_finalize, ());
40   }
41   PetscCall(PetscHeaderDestroy(&P4estLoggingObject));
42   PetscFunctionReturn(0);
43 }
44 
45 PetscErrorCode PetscP4estInitialize(void) {
46   PetscBool psc_catch_signals    = PETSC_FALSE;
47   PetscBool psc_print_backtrace  = PETSC_TRUE;
48   int       psc_log_threshold    = SC_LP_DEFAULT;
49   int       pp4est_log_threshold = SC_LP_DEFAULT;
50   char      logList[256];
51   PetscBool opt, pkg;
52 
53   PetscFunctionBegin;
54   if (PetscP4estInitialized) PetscFunctionReturn(0);
55   PetscP4estInitialized = PETSC_TRUE;
56 
57   /* Register Classes */
58   PetscCall(PetscClassIdRegister("p4est logging", &P4ESTLOGGING_CLASSID));
59   /* Process Info */
60   {
61     PetscClassId classids[1];
62 
63     classids[0] = P4ESTLOGGING_CLASSID;
64     PetscCall(PetscInfoProcessClass("p4est", 1, classids));
65   }
66   /* Process summary exclusions */
67   PetscCall(PetscOptionsGetString(NULL, NULL, "-log_exclude", logList, sizeof(logList), &opt));
68   if (opt) {
69     PetscCall(PetscStrInList("p4est", logList, ',', &pkg));
70     if (pkg) PetscCall(PetscLogEventExcludeClass(P4ESTLOGGING_CLASSID));
71   }
72   PetscCall(PetscHeaderCreate(P4estLoggingObject, P4ESTLOGGING_CLASSID, "p4est", "p4est logging", "DM", PETSC_COMM_WORLD, NULL, PetscObjectView));
73   if (sc_package_id == -1) {
74     int       log_threshold_shifted = psc_log_threshold + 1;
75     PetscBool set;
76 #if defined(PETSC_HAVE_MPIUNI)
77     sc_MPI_Comm comm_world = sc_MPI_COMM_WORLD;
78 #else
79     MPI_Comm comm_world = PETSC_COMM_WORLD;
80 #endif
81 
82     PetscBeganSc = PETSC_TRUE;
83     PetscCall(PetscOptionsGetBool(NULL, NULL, "-petsc_sc_catch_signals", &psc_catch_signals, NULL));
84     PetscCall(PetscOptionsGetBool(NULL, NULL, "-petsc_sc_print_backtrace", &psc_print_backtrace, NULL));
85     PetscCall(PetscOptionsGetEnum(NULL, NULL, "-petsc_sc_log_threshold", SCLogTypes, (PetscEnum *)&log_threshold_shifted, &set));
86     if (set) psc_log_threshold = log_threshold_shifted - 1;
87     sc_init(comm_world, (int)psc_catch_signals, (int)psc_print_backtrace, PetscScLogHandler, psc_log_threshold);
88     PetscCheck(sc_package_id != -1, PETSC_COMM_WORLD, PETSC_ERR_LIB, "Could not initialize libsc package used by p4est");
89     sc_set_abort_handler(PetscScAbort);
90   }
91   if (p4est_package_id == -1) {
92     int       log_threshold_shifted = pp4est_log_threshold + 1;
93     PetscBool set;
94 
95     PetscCall(PetscOptionsGetEnum(NULL, NULL, "-petsc_p4est_log_threshold", SCLogTypes, (PetscEnum *)&log_threshold_shifted, &set));
96     if (set) pp4est_log_threshold = log_threshold_shifted - 1;
97     PetscCallP4est(p4est_init, (PetscScLogHandler, pp4est_log_threshold));
98     PetscCheck(p4est_package_id != -1, PETSC_COMM_WORLD, PETSC_ERR_LIB, "Could not initialize p4est");
99   }
100   PetscCall(DMForestRegisterType(DMP4EST));
101   PetscCall(DMForestRegisterType(DMP8EST));
102   PetscCall(PetscRegisterFinalize(PetscP4estFinalize));
103   PetscFunctionReturn(0);
104 }
105