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

  5: static PetscBool PetscSysPackageInitialized = PETSC_FALSE;

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

 11:   Level: developer

 13: .seealso: `PetscSysInitializePackage()`, `PetscFinalize()`
 14: @*/
 15: PetscErrorCode PetscSysFinalizePackage(void)
 16: {
 17:   PetscFunctionBegin;
 18:   if (Petsc_Seq_keyval != MPI_KEYVAL_INVALID) PetscCallMPI(MPI_Comm_free_keyval(&Petsc_Seq_keyval));
 19:   PetscSysPackageInitialized = PETSC_FALSE;
 20:   PetscFunctionReturn(PETSC_SUCCESS);
 21: }

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

 28:   Level: developer

 30: .seealso: `PetscSysFinalizePackage()`, `PetscInitialize()`
 31: @*/
 32: PetscErrorCode PetscSysInitializePackage(void)
 33: {
 34:   char      logList[256];
 35:   PetscBool opt, pkg;

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

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

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

 65: #if defined(PETSC_HAVE_DYNAMIC_LIBRARIES)

 67:   #if defined(PETSC_USE_SINGLE_LIBRARY)
 68: PETSC_EXTERN PetscErrorCode PetscDLLibraryRegister_petscvec(void);
 69: PETSC_EXTERN PetscErrorCode PetscDLLibraryRegister_petscmat(void);
 70: PETSC_EXTERN PetscErrorCode PetscDLLibraryRegister_petscdm(void);
 71: PETSC_EXTERN PetscErrorCode PetscDLLibraryRegister_petscksp(void);
 72: PETSC_EXTERN PetscErrorCode PetscDLLibraryRegister_petscsnes(void);
 73: PETSC_EXTERN PetscErrorCode PetscDLLibraryRegister_petscts(void);
 74:   #endif

 76:   /*
 77:   PetscDLLibraryRegister - This function is called when the dynamic library it is in is opened.

 79:   This one registers all the system level objects.

 81:  */
 82:   #if defined(PETSC_USE_SINGLE_LIBRARY)
 83: PETSC_EXTERN PetscErrorCode PetscDLLibraryRegister_petsc(void)
 84:   #else
 85: PETSC_EXTERN PetscErrorCode PetscDLLibraryRegister_petscsys(void)
 86:   #endif
 87: {
 88:   PetscFunctionBegin;
 89:   /*
 90:       If we got here then PETSc was properly loaded
 91:   */
 92:   PetscCall(PetscSysInitializePackage());
 93:   PetscCall(PetscDrawInitializePackage());
 94:   PetscCall(PetscViewerInitializePackage());
 95:   PetscCall(PetscRandomInitializePackage());

 97:   #if defined(PETSC_USE_SINGLE_LIBRARY)
 98:   PetscCall(PetscDLLibraryRegister_petscvec());
 99:   PetscCall(PetscDLLibraryRegister_petscmat());
100:   PetscCall(PetscDLLibraryRegister_petscdm());
101:   PetscCall(PetscDLLibraryRegister_petscksp());
102:   PetscCall(PetscDLLibraryRegister_petscsnes());
103:   PetscCall(PetscDLLibraryRegister_petscts());
104:   #endif
105:   PetscFunctionReturn(PETSC_SUCCESS);
106: }
107: #endif /* PETSC_HAVE_DYNAMIC_LIBRARIES */