cpython/PC/os2emx/dllentry.c

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/*
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;
}