1: #include <petscdraw.h>
  2: #include <petsc/private/viewerimpl.h>

  4: static PetscBool PetscSysPackageInitialized = PETSC_FALSE;

  6: /*@
  7:   PetscSysFinalizePackage - This function destroys everything in the system library portion of PETSc.
  8:   It is called from `PetscFinalize()`.

 10:   Level: developer

 12: .seealso: `PetscSysInitializePackage()`, `PetscFinalize()`
 13: @*/
 14: PetscErrorCode PetscSysFinalizePackage(void)
 15: {
 16:   PetscFunctionBegin;
 17:   if (Petsc_Seq_keyval != MPI_KEYVAL_INVALID) PetscCallMPI(MPI_Comm_free_keyval(&Petsc_Seq_keyval));
 18:   PetscSysPackageInitialized = PETSC_FALSE;
 19:   PetscFunctionReturn(PETSC_SUCCESS);
 20: }

 22: /*@
 23:   PetscSysInitializePackage - This function initializes everything in the system library portion of PETSc. It is called
 24:   from `PetscDLLibraryRegister_petsc()` when using dynamic libraries, and in the call to `PetscInitialize()`
 25:   when using shared or static libraries.

 27:   Level: developer

 29:   Note:
 30:   This function never needs to be called by PETSc users.

 32: .seealso: `PetscSysFinalizePackage()`, `PetscInitialize()`
 33: @*/
 34: PetscErrorCode PetscSysInitializePackage(void)
 35: {
 36:   char      logList[256];
 37:   PetscBool opt, pkg;

 39:   PetscFunctionBegin;
 40:   if (PetscSysPackageInitialized) PetscFunctionReturn(PETSC_SUCCESS);
 41:   PetscSysPackageInitialized = PETSC_TRUE;
 42:   /* Register Classes */
 43:   PetscCall(PetscClassIdRegister("Object", &PETSC_OBJECT_CLASSID));
 44:   PetscCall(PetscClassIdRegister("Container", &PETSC_CONTAINER_CLASSID));

 46:   /* Register Events */
 47:   PetscCall(PetscLogEventRegister("PetscBarrier", PETSC_SMALLEST_CLASSID, &PETSC_Barrier));
 48:   PetscCall(PetscLogEventRegister("BuildTwoSided", PETSC_SMALLEST_CLASSID, &PETSC_BuildTwoSided));
 49:   PetscCall(PetscLogEventRegister("BuildTwoSidedF", PETSC_SMALLEST_CLASSID, &PETSC_BuildTwoSidedF));
 50:   /* Process Info */
 51:   {
 52:     PetscClassId classids[1];

 54:     classids[0] = PETSC_SMALLEST_CLASSID;
 55:     PetscCall(PetscInfoProcessClass("sys", 1, classids));
 56:   }
 57:   /* Process summary exclusions */
 58:   PetscCall(PetscOptionsGetString(NULL, NULL, "-log_exclude", logList, sizeof(logList), &opt));
 59:   if (opt) {
 60:     PetscCall(PetscStrInList("null", logList, ',', &pkg));
 61:     if (pkg) PetscCall(PetscLogEventExcludeClass(PETSC_SMALLEST_CLASSID));
 62:   }
 63:   PetscCall(PetscRegisterFinalize(PetscSysFinalizePackage));
 64:   PetscFunctionReturn(PETSC_SUCCESS);
 65: }

 67: #if PetscDefined(HAVE_DYNAMIC_LIBRARIES)

 69:   #if PetscDefined(USE_SINGLE_LIBRARY)
 70: PETSC_EXTERN PetscErrorCode PetscDLLibraryRegister_petscvec(void);
 71: PETSC_EXTERN PetscErrorCode PetscDLLibraryRegister_petscmat(void);
 72: PETSC_EXTERN PetscErrorCode PetscDLLibraryRegister_petscdm(void);
 73: PETSC_EXTERN PetscErrorCode PetscDLLibraryRegister_petscksp(void);
 74: PETSC_EXTERN PetscErrorCode PetscDLLibraryRegister_petscsnes(void);
 75: PETSC_EXTERN PetscErrorCode PetscDLLibraryRegister_petscts(void);
 76:   #endif

 78:   /*
 79:   PetscDLLibraryRegister - This function is called when the dynamic library it is in is opened.

 81:   This one registers all the system level objects.

 83:  */
 84:   #if PetscDefined(USE_SINGLE_LIBRARY)
 85: PETSC_EXTERN PetscErrorCode PetscDLLibraryRegister_petsc(void)
 86:   #else
 87: PETSC_EXTERN PetscErrorCode PetscDLLibraryRegister_petscsys(void)
 88:   #endif
 89: {
 90:   PetscFunctionBegin;
 91:   /*
 92:       If we got here then PETSc was properly loaded
 93:   */
 94:   PetscCall(PetscSysInitializePackage());
 95:   PetscCall(PetscDrawInitializePackage());
 96:   PetscCall(PetscViewerInitializePackage());
 97:   PetscCall(PetscRandomInitializePackage());

 99:   #if PetscDefined(USE_SINGLE_LIBRARY)
100:   PetscCall(PetscDLLibraryRegister_petscvec());
101:   PetscCall(PetscDLLibraryRegister_petscmat());
102:   PetscCall(PetscDLLibraryRegister_petscdm());
103:   PetscCall(PetscDLLibraryRegister_petscksp());
104:   PetscCall(PetscDLLibraryRegister_petscsnes());
105:   PetscCall(PetscDLLibraryRegister_petscts());
106:   #endif
107:   PetscFunctionReturn(PETSC_SUCCESS);
108: }
109: #endif /* PETSC_HAVE_DYNAMIC_LIBRARIES */