[pypy-commit] pypy default: more freebsd fixes (David Naylor on pypy-dev)

[mattip]

Author: mattip <matti.picus at gmail.com>
Branch: 
Changeset: r79227:c2f97b8c2415
Date: 2015-08-26 00:05 +0300
http://bitbucket.org/pypy/pypy/changeset/c2f97b8c2415/

Log:	more freebsd fixes (David Naylor on pypy-dev)

diff --git a/rpython/rtyper/lltypesystem/ll2ctypes.py b/rpython/rtyper/lltypesystem/ll2ctypes.py
--- a/rpython/rtyper/lltypesystem/ll2ctypes.py
+++ b/rpython/rtyper/lltypesystem/ll2ctypes.py
@@ -46,6 +46,7 @@
 
 _POSIX = os.name == "posix"
 _MS_WINDOWS = os.name == "nt"
+_FREEBSD = sys.platform.startswith('freebsd')
 _64BIT = "64bit" in host_platform.architecture()[0]
 
 
@@ -1080,8 +1081,11 @@
             return ctypes.util.find_library('c')
 
     libc_name = get_libc_name()     # Make sure the name is determined during import, not at runtime
+    if _FREEBSD:
+        RTLD_DEFAULT = -2  # see <dlfcn.h>
+        rtld_default_lib = ctypes.CDLL("RTLD_DEFAULT", handle=RTLD_DEFAULT, **load_library_kwargs)
     # XXX is this always correct???
-    standard_c_lib = ctypes.CDLL(get_libc_name(), **load_library_kwargs)
+    standard_c_lib = ctypes.CDLL(libc_name, **load_library_kwargs)
 
 # ____________________________________________
 
@@ -1174,7 +1178,10 @@
                 not_found.append(libname)
 
     if cfunc is None:
-        cfunc = get_on_lib(standard_c_lib, funcname)
+        if _FREEBSD and funcname in ('dlopen', 'fdlopen', 'dlsym', 'dlfunc', 'dlerror', 'dlclose'):
+            cfunc = get_on_lib(rtld_default_lib, funcname)
+        else:
+            cfunc = get_on_lib(standard_c_lib, funcname)
         # XXX magic: on Windows try to load the function from 'kernel32' too
         if cfunc is None and hasattr(ctypes, 'windll'):
             cfunc = get_on_lib(ctypes.windll.kernel32, funcname)
@@ -1493,18 +1500,17 @@
             _where_is_errno().contents.value = TLS.errno
 
     if ctypes:
-        if sys.platform == 'win32':
+        if _MS_WINDOWS:
             standard_c_lib._errno.restype = ctypes.POINTER(ctypes.c_int)
             def _where_is_errno():
                 return standard_c_lib._errno()
 
-        elif sys.platform.startswith('linux') or sys.platform == 'freebsd6':
+        elif sys.platform.startswith('linux'):
             standard_c_lib.__errno_location.restype = ctypes.POINTER(ctypes.c_int)
             def _where_is_errno():
                 return standard_c_lib.__errno_location()
 
-        elif any(plat in sys.platform
-                 for plat in ('darwin', 'freebsd7', 'freebsd8', 'freebsd9')):
+        elif sys.platform == 'darwin' or _FREEBSD:
             standard_c_lib.__error.restype = ctypes.POINTER(ctypes.c_int)
             def _where_is_errno():
                 return standard_c_lib.__error()