mirror of https://github.com/python/cpython
55 lines
1.1 KiB
C
55 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;
|
||
|
}
|