我们从Python开源项目中，提取了以下32个代码示例，用于说明如何使用ctypes.RTLD_GLOBAL。
def _load_preload_lib(): """profiling won't work if the library isn't preloaded using LD_PRELOAD, but we ensure it's loaded anyway so that we can import the cython extension and call its functions still - otherwise it won't import since it has not been linked to the preload library.""" import os import ctypes from distutils.sysconfig import get_config_var this_dir = os.path.dirname(os.path.realpath(__file__)) so_name = os.path.join(this_dir, 'preload') ext_suffix = get_config_var('EXT_SUFFIX') if ext_suffix is not None: so_name += ext_suffix else: so_name += '.so' import sys ctypes.CDLL(so_name, ctypes.RTLD_GLOBAL) return so_name
def openLibrary(): import ctypes import ctypes.util try: if sys.platform.startswith("win"): dll_path = "src/lib/opensslVerify/libeay32.dll" elif sys.platform == "cygwin": dll_path = "/bin/cygcrypto-1.0.0.dll" else: dll_path = "/usr/local/ssl/lib/libcrypto.so" ssl = ctypes.CDLL(dll_path, ctypes.RTLD_GLOBAL) assert ssl except: dll_path = ctypes.util.find_library('ssl') or ctypes.util.find_library('crypto') or ctypes.util.find_library('libcrypto') ssl = ctypes.CDLL(dll_path or 'libeay32', ctypes.RTLD_GLOBAL) return ssl
def __init__(self): self.RTLD_LAZY = 0 # not supported anyway by ctypes self.RTLD_NOW = 0 self.RTLD_GLOBAL = ctypes.RTLD_GLOBAL self.RTLD_LOCAL = ctypes.RTLD_LOCAL
def COINMP_DLL_load_dll(path): """ function that loads the DLL useful for debugging installation problems """ import ctypes if os.name == 'nt': lib = ctypes.windll.LoadLibrary(str(path[-1])) else: #linux hack to get working mode = ctypes.RTLD_GLOBAL for libpath in path[:-1]: #RTLD_LAZY = 0x00001 ctypes.CDLL(libpath, mode = mode) lib = ctypes.CDLL(path[-1], mode = mode) return lib
def _load_lib(): """Load libary in build/lib.""" lib_root = Path(__file__).parents[2] lib_path = os.path.join(lib_root, 'cuda/build/lib/') path_to_so_file = os.path.join(lib_path, "libc_runtime_api.so") lib = ctypes.CDLL(path_to_so_file, ctypes.RTLD_GLOBAL) return lib # global library instance
def use_mkl(): set_compiler( cmd = 'ifort', prefix = '', infix = '_mp_', suffix = '_', debug = """ -g -traceback -gen-interfaces -warn all -check all -fpe0 -ftrapuv -I/opt/intel/mkl/include """, release = """ -fast -I/opt/intel/mkl/include """, link = """ -L/opt/intel/mkl/lib/intel64 -lmkl_intel_lp64 -lmkl_core -lmkl_sequential -lpthread -lm """, error_regex = '(error #|ld:)', warning_regex = '(warning #|remark #)', ) # needed to load mkl # see: https://answers.launchpad.net/dolfin/+question/205219 import ctypes ctypes.CDLL('libmkl_rt.so', ctypes.RTLD_GLOBAL)
def _lazy_init_libgfapi(): """ Loads ctypes library only if not loaded already """ global _api if not _api: _api = ctypes.CDLL(find_library("gfapi"), ctypes.RTLD_GLOBAL)
def load( lib, so_version = None, path = None, so_ext = None): """Thin wrapper around the ctypes.CDLL function for loading shared library. If the path argument is non Null the function will first try to load with full path. If that fails it wil also try to load without a path component, invoking normal dlopen() semantics. """ dll = None lib_files = [ lib_name( lib, path = None, so_version = so_version ), lib_name( lib, path = None, so_version = so_version, so_ext = so_ext ), lib_name( lib, path = path, so_version = so_version ), lib_name( lib, path = path, so_version = so_version, so_ext = so_ext ) ] for lib_file in lib_files: try: dll = ctypes.CDLL(lib_file , ctypes.RTLD_GLOBAL) return dll except Exception as exc: error = exc error_msg = "\nFailed to load shared library:%s\n\ndlopen() error: %s\n" % (lib , error) LD_LIBRARY_PATH = os.getenv("LD_LIBRARY_PATH") if not LD_LIBRARY_PATH: LD_LIBRARY_PATH = "" error_msg += """ The runtime linker has searched through the default location of shared libraries, and also the locations mentioned in your LD_LIBRARY_PATH variable. Your current LD_LIBRARY_PATH setting is: LD_LIBRARY_PATH: %s You might need to update this variable? """ % LD_LIBRARY_PATH raise ImportError(error_msg)
def use_mkl_blas_lapack(): set_compiler( cmd = 'ifort', prefix = '', infix = '_mp_', suffix = '_', debug = """ -g -traceback -gen-interfaces -warn all -check all -fpe0 -ftrapuv -qopenmp -I/opt/intel/mkl/include/intel64/lp64 -I/opt/intel/mkl/include """, release = """ -fast -qopenmp -I/opt/intel/mkl/include/intel64/lp64 -I/opt/intel/mkl/include """, link = """ /opt/intel/mkl/lib/intel64/libmkl_blas95_lp64.a /opt/intel/mkl/lib/intel64/libmkl_lapack95_lp64.a -L/opt/intel/mkl/lib/intel64 -lmkl_intel_lp64 -lmkl_core -lmkl_intel_thread -lpthread -lm -ldl """, error_regex = '(error #|ld:)', warning_regex = '(warning #|remark #)', ) # needed to load mkl # see: https://answers.launchpad.net/dolfin/+question/205219 import ctypes ctypes.CDLL('libmkl_rt.so', ctypes.RTLD_GLOBAL) ctypes.CDLL('/opt/intel/lib/intel64/libiomp5.so', ctypes.RTLD_GLOBAL)
def use_mkl_blas_lapack_gurobi(): set_compiler( cmd = 'ifort', prefix = '', infix = '_mp_', suffix = '_', debug = """ -g -traceback -gen-interfaces -warn all -check all -fpe0 -ftrapuv -qopenmp -I/opt/intel/mkl/include/intel64/lp64 -I/opt/intel/mkl/include """, release = """ -fast -qopenmp -I/opt/intel/mkl/include/intel64/lp64 -I/opt/intel/mkl/include """, link = """ /opt/intel/mkl/lib/intel64/libmkl_blas95_lp64.a /opt/intel/mkl/lib/intel64/libmkl_lapack95_lp64.a -L/opt/intel/mkl/lib/intel64 -L/opt/gurobi751/linux64/lib -lgurobi75 -lmkl_intel_lp64 -lmkl_core -lmkl_intel_thread -lpthread -lm -ldl """, error_regex = '(error #|ld:)', warning_regex = '(warning #|remark #)', ) # needed to load mkl # see: https://answers.launchpad.net/dolfin/+question/205219 import ctypes ctypes.CDLL('libmkl_rt.so', ctypes.RTLD_GLOBAL) ctypes.CDLL('/opt/intel/lib/intel64/libiomp5.so', ctypes.RTLD_GLOBAL)
def use_mkl_gurobi(): set_compiler( cmd = 'ifort', prefix = '', infix = '_mp_', suffix = '_', debug = """ -g -traceback -gen-interfaces -warn all -check all -fpe0 -ftrapuv -qopenmp -I/opt/intel/mkl/include/intel64/lp64 -I/opt/intel/mkl/include """, release = """ -fast -qopenmp -I/opt/intel/mkl/include/intel64/lp64 -I/opt/intel/mkl/include """, link = """ -L/opt/intel/mkl/lib/intel64 -L/opt/gurobi751/linux64/lib -lgurobi75 -lmkl_intel_lp64 -lmkl_core -lmkl_intel_thread -lpthread -lm -ldl """, error_regex = '(error #|ld:)', warning_regex = '(warning #|remark #)', ) # needed to load mkl # see: https://answers.launchpad.net/dolfin/+question/205219 import ctypes ctypes.CDLL('libmkl_rt.so', ctypes.RTLD_GLOBAL) ctypes.CDLL('/opt/intel/lib/intel64/libiomp5.so', ctypes.RTLD_GLOBAL)
