1 /*
2 * msvcrt.dll initialisation functions
3 *
4 * Copyright 2000 Jon Griffiths
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Lesser General Public
8 * License as published by the Free Software Foundation; either
9 * version 2.1 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Lesser General Public License for more details.
15 *
16 * You should have received a copy of the GNU Lesser General Public
17 * License along with this library; if not, write to the Free Software
18 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
19 */
20 #include "msvcrt.h"
21
22 #include "wine/debug.h"
23
24 WINE_DEFAULT_DEBUG_CHANNEL(msvcrt);
25
26 /* Index to TLS */
27 DWORD msvcrt_tls_index;
28
29 static const char* msvcrt_get_reason(DWORD reason)
30 {
31 switch (reason)
32 {
33 case DLL_PROCESS_ATTACH: return "DLL_PROCESS_ATTACH";
34 case DLL_PROCESS_DETACH: return "DLL_PROCESS_DETACH";
35 case DLL_THREAD_ATTACH: return "DLL_THREAD_ATTACH";
36 case DLL_THREAD_DETACH: return "DLL_THREAD_DETACH";
37 }
38 return "UNKNOWN";
39 }
40
41 static inline BOOL msvcrt_init_tls(void)
42 {
43 msvcrt_tls_index = TlsAlloc();
44
45 if (msvcrt_tls_index == TLS_OUT_OF_INDEXES)
46 {
47 ERR("TlsAlloc() failed!\n");
48 return FALSE;
49 }
50 return TRUE;
51 }
52
53 static inline BOOL msvcrt_free_tls(void)
54 {
55 if (!TlsFree(msvcrt_tls_index))
56 {
57 ERR("TlsFree() failed!\n");
58 return FALSE;
59 }
60 return TRUE;
61 }
62
63 /*********************************************************************
64 * Init
65 */
66 BOOL WINAPI DllMain(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
67 {
68 thread_data_t *tls;
69
70 TRACE("(%p, %s, %p) pid(%x), tid(%x), tls(%u)\n",
71 hinstDLL, msvcrt_get_reason(fdwReason), lpvReserved,
72 GetCurrentProcessId(), GetCurrentThreadId(),
73 msvcrt_tls_index);
74
75 switch (fdwReason)
76 {
77 case DLL_PROCESS_ATTACH:
78 if (!msvcrt_init_tls())
79 return FALSE;
80 msvcrt_init_mt_locks();
81 msvcrt_init_io();
82 msvcrt_init_console();
83 msvcrt_init_args();
84 msvcrt_init_signals();
85 MSVCRT_setlocale(0, "C");
86 _setmbcp(_MB_CP_LOCALE);
87 TRACE("finished process init\n");
88 break;
89 case DLL_THREAD_ATTACH:
90 break;
91 case DLL_PROCESS_DETACH:
92 msvcrt_free_mt_locks();
93 msvcrt_free_io();
94 msvcrt_free_console();
95 msvcrt_free_args();
96 msvcrt_free_signals();
97 if (!msvcrt_free_tls())
98 return FALSE;
99 TRACE("finished process free\n");
100 break;
101 case DLL_THREAD_DETACH:
102 /* Free TLS */
103 tls = TlsGetValue(msvcrt_tls_index);
104 if (tls)
105 {
106 HeapFree(GetProcessHeap(),0,tls->efcvt_buffer);
107 HeapFree(GetProcessHeap(),0,tls->asctime_buffer);
108 HeapFree(GetProcessHeap(),0,tls->wasctime_buffer);
109 HeapFree(GetProcessHeap(),0,tls->strerror_buffer);
110 }
111 HeapFree(GetProcessHeap(), 0, tls);
112 TRACE("finished thread free\n");
113 break;
114 }
115 return TRUE;
116 }
117
118 /*********************************************************************
119 * $I10_OUTPUT (MSVCRT.@)
120 * Function not really understood but needed to make the DLL work
121 */
122 void CDECL MSVCRT_I10_OUTPUT(void)
123 {
124 /* FIXME: This is probably data, not a function */
125 /* no it is a function. I10 is an Int of 10 bytes */
126 /* also known as 80 bit floating point (long double */
127 /* for some compilers, not MSVC) */
128 }
129
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