newlib-cygwin/winsup/cygwin/init.cc

49 lines
1.2 KiB
C++

/* init.cc
Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002 Red Hat, Inc.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
#include "winsup.h"
#include <stdlib.h>
#include "thread.h"
#include "perprocess.h"
int NO_COPY dynamically_loaded;
extern "C" int
WINAPI dll_entry (HANDLE h, DWORD reason, void *static_load)
{
switch (reason)
{
case DLL_PROCESS_ATTACH:
cygwin_hmodule = (HMODULE) h;
dynamically_loaded = (static_load == NULL);
break;
case DLL_THREAD_ATTACH:
if (user_data->threadinterface)
{
if (!TlsSetValue(user_data->threadinterface->reent_index,
&user_data->threadinterface->reents))
api_fatal("Sig proc MT init failed\n");
}
break;
case DLL_PROCESS_DETACH:
break;
case DLL_THREAD_DETACH:
pthread *thisthread = (pthread *) TlsGetValue (
user_data->threadinterface->thread_self_dwTlsIndex);
if (thisthread) {
/* Some non-pthread call created this thread,
* but we need to clean it up */
thisthread->exit(0);
}
break;
}
return 1;
}