2 * msvcrt.dll initialisation functions
4 * Copyright 2000 Jon Griffiths
8 DEFAULT_DEBUG_CHANNEL(msvcrt);
11 DWORD MSVCRT_tls_index;
14 CRITICAL_SECTION MSVCRT_heap_cs;
15 CRITICAL_SECTION MSVCRT_file_cs;
16 CRITICAL_SECTION MSVCRT_exit_cs;
17 CRITICAL_SECTION MSVCRT_console_cs;
18 CRITICAL_SECTION MSVCRT_locale_cs;
20 static inline BOOL MSVCRT_init_tls(void);
21 static inline BOOL MSVCRT_free_tls(void);
22 static inline void MSVCRT_init_critical_sections(void);
23 static inline void MSVCRT_free_critical_sections(void);
25 const char *MSVCRT_get_reason(DWORD reason) __attribute__((unused));
27 const char *MSVCRT_get_reason(DWORD reason);
30 void MSVCRT_init_io(void);
31 void MSVCRT_init_console(void);
32 void MSVCRT_free_console(void);
33 void MSVCRT_init_args(void);
34 void MSVCRT_free_args(void);
35 void MSVCRT_init_vtables(void);
36 char *__cdecl MSVCRT_setlocale(int category, const char *locale);
39 /*********************************************************************
42 BOOL WINAPI MSVCRT_Init(HINSTANCE hinstDLL, DWORD fdwReason, LPVOID lpvReserved)
44 MSVCRT_thread_data *tls;
46 TRACE("(0x%08x, %s, %p) pid(%ld), tid(%ld), tls(%ld)\n",
47 hinstDLL, MSVCRT_get_reason(fdwReason), lpvReserved,
48 (long)GetCurrentProcessId(), (long)GetCurrentThreadId(),
49 (long)MSVCRT_tls_index);
53 case DLL_PROCESS_ATTACH:
54 if (!MSVCRT_init_tls())
56 MSVCRT_init_vtables();
57 MSVCRT_init_critical_sections();
59 MSVCRT_init_console();
61 MSVCRT_setlocale(0, "C");
62 TRACE("finished process init\n");
63 /* FALL THROUGH for Initial TLS allocation!! */
64 case DLL_THREAD_ATTACH:
65 TRACE("starting thread init\n");
67 tls = (MSVCRT_thread_data*) HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
68 sizeof(MSVCRT_thread_data));
69 if (!tls || !TlsSetValue(MSVCRT_tls_index, tls))
71 ERR("TLS init failed! error = %ld\n", GetLastError());
74 TRACE("finished thread init\n");
76 case DLL_PROCESS_DETACH:
77 MSVCRT_free_critical_sections();
79 MSVCRT_free_console();
81 if (!MSVCRT_free_tls())
83 TRACE("finished process free\n");
85 case DLL_THREAD_DETACH:
87 tls = TlsGetValue(MSVCRT_tls_index);
91 ERR("TLS free failed! error = %ld\n", GetLastError());
94 HeapFree(GetProcessHeap(), 0, tls);
95 TRACE("finished thread free\n");
101 static inline BOOL MSVCRT_init_tls(void)
103 MSVCRT_tls_index = TlsAlloc();
105 if (MSVCRT_tls_index == TLS_OUT_OF_INDEXES)
107 ERR("TlsAlloc() failed!\n");
113 static inline BOOL MSVCRT_free_tls(void)
115 if (!TlsFree(MSVCRT_tls_index))
117 ERR("TlsFree() failed!\n");
123 static inline void MSVCRT_init_critical_sections(void)
125 InitializeCriticalSectionAndSpinCount(&MSVCRT_heap_cs, 4000);
126 InitializeCriticalSection(&MSVCRT_file_cs);
127 InitializeCriticalSection(&MSVCRT_exit_cs);
128 InitializeCriticalSection(&MSVCRT_console_cs);
129 InitializeCriticalSection(&MSVCRT_locale_cs);
132 static inline void MSVCRT_free_critical_sections(void)
134 DeleteCriticalSection(&MSVCRT_locale_cs);
135 DeleteCriticalSection(&MSVCRT_console_cs);
136 DeleteCriticalSection(&MSVCRT_exit_cs);
137 DeleteCriticalSection(&MSVCRT_file_cs);
138 DeleteCriticalSection(&MSVCRT_heap_cs);
141 const char *MSVCRT_get_reason(DWORD reason)
145 case DLL_PROCESS_ATTACH: return "DLL_PROCESS_ATTACH";
146 case DLL_PROCESS_DETACH: return "DLL_PROCESS_DETACH";
147 case DLL_THREAD_ATTACH: return "DLL_THREAD_ATTACH";
148 case DLL_THREAD_DETACH: return "DLL_THREAD_DETACH";
154 /*********************************************************************
157 * Anything not really understood but needed to make the DLL work
159 void MSVCRT_I10_OUTPUT(void)
161 /* FIXME: This is probably data, not a function */
164 void MSVCRT___unDName(void)
166 /* Called by all VC compiled progs on startup. No idea what it does */
169 void MSVCRT___unDNameEx(void)