cpython/PC/os2emx/dllentry.c
Andrew MacIntyre 41d97d6777 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
2002-02-17 05:23:30 +00:00

54 lines
1.1 KiB
C

/*
This is the entry point for Python DLL(s).
It also provides an getenv() function that works from within DLLs.
*/
#define NULL 0
/* Make references to imported symbols to pull them from static library */
#define REF(s) extern void s (); void *____ref_##s = &s;
REF (Py_Main);
#if defined (__EMX__)
#include <signal.h>
extern int _CRT_init (void);
extern void _CRT_term (void);
extern void __ctordtorInit (void);
extern void __ctordtorTerm (void);
unsigned long _DLL_InitTerm (unsigned long mod_handle, unsigned long flag)
{
switch (flag)
{
case 0:
if (_CRT_init ()) return 0;
__ctordtorInit ();
/* Ignore fatal signals */
signal (SIGSEGV, SIG_IGN);
signal (SIGFPE, SIG_IGN);
return 1;
case 1:
__ctordtorTerm ();
_CRT_term ();
return 1;
default:
return 0;
}
}
#endif
/* A version of getenv() that works from DLLs */
extern int DosScanEnv (const char *pszName, char **ppszValue);
char *getenv (const char *name)
{
char *value;
if (DosScanEnv (name, &value))
return NULL;
else
return value;
}