Create and populate OS/2 EMX port build directory:
PC/os2emx/
Makefile
README.os2emx
config.c
dlfcn.c // libdl emulation code for loadable extensions
dlfcn.h
dllentry.c // DLL initialisation routine for Python DLL
getpath.c
pyconfig.h
python23.def // Python DLL symbol export definitions
pythonpm.c // console-less PM interpreter wrapper
diff --git a/PC/os2emx/dlfcn.c b/PC/os2emx/dlfcn.c
new file mode 100644
index 0000000..acf0197
--- /dev/null
+++ b/PC/os2emx/dlfcn.c
@@ -0,0 +1,224 @@
+/* -*- C -*- ***********************************************
+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.
+
+******************************************************************/
+
+/*
+ This library implements dlopen() - functions for OS/2 using
+ DosLoadModule() and company.
+*/
+
+#define INCL_DOS
+#define INCL_DOSERRORS
+#define INCL_DOSSESMGR
+#define INCL_WINPROGRAMLIST
+#define INCL_WINFRAMEMGR
+#include <os2.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <malloc.h>
+
+/*-------------------------------------- Unix-like dynamic linking emulation -*/
+
+typedef struct _track_rec {
+ char *name;
+ HMODULE handle;
+ void *id;
+ struct _track_rec *next;
+} tDLLchain, *DLLchain;
+
+static DLLchain dlload = NULL; /* A simple chained list of DLL names */
+static char dlerr [256]; /* last error text string */
+static void *last_id;
+
+static DLLchain find_id(void *id)
+{
+ DLLchain tmp;
+
+ for (tmp = dlload; tmp; tmp = tmp->next)
+ if (id == tmp->id)
+ return (tmp);
+
+ return (NULL);
+}
+
+/* load a dynamic-link library and return handle */
+void *dlopen (char *filename, int flags)
+{
+ HMODULE hm;
+ DLLchain tmp;
+ char err[256];
+ char *errtxt;
+ int rc = 0, set_chain = 0;
+
+ for (tmp = dlload; tmp; tmp = tmp->next)
+ if (strnicmp(tmp->name, filename, 999) == 0)
+ break;
+
+ if (!tmp)
+ {
+ tmp = (DLLchain)malloc (sizeof (tDLLchain));
+ if (!tmp)
+ goto nomem;
+ tmp->name = strdup (filename);
+ tmp->next = dlload;
+ set_chain = 1;
+ }
+
+ switch (rc = DosLoadModule((PSZ)&err, sizeof(err), filename, &hm))
+ {
+ case NO_ERROR:
+ tmp->handle = hm;
+ if (set_chain) {
+ do {
+ last_id++;
+ } while ((last_id == 0) || (find_id(last_id)));
+ tmp->id = last_id;
+ dlload = tmp;
+ }
+ return (tmp->id);
+ case ERROR_FILE_NOT_FOUND:
+ case ERROR_PATH_NOT_FOUND:
+ errtxt = "module `%s' not found";
+ break;
+ case ERROR_TOO_MANY_OPEN_FILES:
+ case ERROR_NOT_ENOUGH_MEMORY:
+ case ERROR_SHARING_BUFFER_EXCEEDED:
+nomem:
+ errtxt = "out of system resources";
+ break;
+ case ERROR_ACCESS_DENIED:
+ errtxt = "access denied";
+ break;
+ case ERROR_BAD_FORMAT:
+ case ERROR_INVALID_SEGMENT_NUMBER:
+ case ERROR_INVALID_ORDINAL:
+ case ERROR_INVALID_MODULETYPE:
+ case ERROR_INVALID_EXE_SIGNATURE:
+ case ERROR_EXE_MARKED_INVALID:
+ case ERROR_ITERATED_DATA_EXCEEDS_64K:
+ case ERROR_INVALID_MINALLOCSIZE:
+ case ERROR_INVALID_SEGDPL:
+ case ERROR_AUTODATASEG_EXCEEDS_64K:
+ case ERROR_RELOCSRC_CHAIN_EXCEEDS_SEGLIMIT:
+ errtxt = "invalid module format";
+ break;
+ case ERROR_INVALID_NAME:
+ errtxt = "filename doesn't match module name";
+ break;
+ case ERROR_SHARING_VIOLATION:
+ case ERROR_LOCK_VIOLATION:
+ errtxt = "sharing violation";
+ break;
+ case ERROR_INIT_ROUTINE_FAILED:
+ errtxt = "module initialization failed";
+ break;
+ default:
+ errtxt = "cause `%s', error code = %d";
+ break;
+ }
+ snprintf (dlerr, sizeof (dlerr), errtxt, &err, rc);
+ if (tmp) {
+ if (tmp->name)
+ free(tmp->name);
+ free (tmp);
+ }
+ return (0);
+}
+
+/* return a pointer to the `symbol' in DLL */
+void *dlsym (void *handle, char *symbol)
+{
+ int rc = 0;
+ PFN addr;
+ char *errtxt;
+ int symord = 0;
+ DLLchain tmp = find_id (handle);
+
+ if (!tmp)
+ goto inv_handle;
+
+ if (*symbol == '#')
+ symord = atoi (symbol + 1);
+
+ switch (rc = DosQueryProcAddr(tmp->handle, symord, symbol, &addr))
+ {
+ case NO_ERROR:
+ return ((void *)addr);
+ case ERROR_INVALID_HANDLE:
+inv_handle:
+ errtxt = "invalid module handle";
+ break;
+ case ERROR_PROC_NOT_FOUND:
+ case ERROR_INVALID_NAME:
+ errtxt = "no symbol `%s' in module";
+ break;
+ default:
+ errtxt = "symbol `%s', error code = %d";
+ break;
+ }
+ snprintf (dlerr, sizeof (dlerr), errtxt, symbol, rc);
+ return (NULL);
+}
+
+/* free dynamicaly-linked library */
+int dlclose (void *handle)
+{
+ int rc;
+ DLLchain tmp = find_id (handle);
+
+ if (!tmp)
+ goto inv_handle;
+
+ switch (rc = DosFreeModule (tmp->handle))
+ {
+ case NO_ERROR:
+ free (tmp->name);
+ dlload = tmp->next;
+ free (tmp);
+ return (0);
+ case ERROR_INVALID_HANDLE:
+inv_handle:
+ strcpy(dlerr, "invalid module handle");
+ return (-1);
+ case ERROR_INVALID_ACCESS:
+ strcpy (dlerr, "access denied");
+ return (-1);
+ default:
+ return (-1);
+ }
+}
+
+/* return a string describing last occured dl error */
+char *dlerror()
+{
+ return (dlerr);
+}