The old platform-specific contents of importdl.c, broken down into one
file per platform (really: per style of Dl API; e.g. all platforms
using dlopen() are grouped together in dynload_shlib.c.).
This is part of a set of patches by Greg Stein.
diff --git a/Python/dynload_os2.c b/Python/dynload_os2.c
new file mode 100644
index 0000000..6090c33
--- /dev/null
+++ b/Python/dynload_os2.c
@@ -0,0 +1,74 @@
+/***********************************************************
+Copyright 1991-1995 by Stichting Mathematisch Centrum, Amsterdam,
+The Netherlands.
+
+ All Rights Reserved
+
+Permission to use, copy, modify, and distribute this software and its
+documentation for any purpose and without fee is hereby granted,
+provided that the above copyright notice appear in all copies and that
+both that copyright notice and this permission notice appear in
+supporting documentation, and that the names of Stichting Mathematisch
+Centrum or CWI or Corporation for National Research Initiatives or
+CNRI not be used in advertising or publicity pertaining to
+distribution of the software without specific, written prior
+permission.
+
+While CWI is the initial source for this software, a modified version
+is made available by the Corporation for National Research Initiatives
+(CNRI) at the Internet address ftp://ftp.python.org.
+
+STICHTING MATHEMATISCH CENTRUM AND CNRI DISCLAIM ALL WARRANTIES WITH
+REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
+MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH
+CENTRUM OR CNRI BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL
+DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+PERFORMANCE OF THIS SOFTWARE.
+
+******************************************************************/
+
+/* Support for dynamic loading of extension modules */
+
+#define INCL_DOSERRORS
+#define INCL_DOSMODULEMGR
+#include <os2.h>
+
+#include "Python.h"
+#include "importdl.h"
+
+
+const struct filedescr _PyImport_DynLoadFiletab[] = {
+ {".pyd", "rb", C_EXTENSION},
+ {".dll", "rb", C_EXTENSION},
+ {0, 0}
+};
+
+dl_funcptr _PyImport_GetDynLoadFunc(const char *name, const char *funcname,
+ const char *pathname, FILE *fp)
+{
+ dl_funcptr p;
+ APIRET rc;
+ HMODULE hDLL;
+ char failreason[256];
+
+ rc = DosLoadModule(failreason,
+ sizeof(failreason),
+ pathname,
+ &hDLL);
+
+ if (rc != NO_ERROR) {
+ char errBuf[256];
+ sprintf(errBuf,
+ "DLL load failed, rc = %d: %s",
+ rc, failreason);
+ PyErr_SetString(PyExc_ImportError, errBuf);
+ return NULL;
+ }
+
+ rc = DosQueryProcAddr(hDLL, 0L, funcname, &p);
+ if (rc != NO_ERROR)
+ p = NULL; /* Signify Failure to Acquire Entrypoint */
+ return p;
+}