diff options
Diffstat (limited to 'winsup/cygwin/dll_init.cc')
| -rw-r--r-- | winsup/cygwin/dll_init.cc | 39 |
1 files changed, 31 insertions, 8 deletions
diff --git a/winsup/cygwin/dll_init.cc b/winsup/cygwin/dll_init.cc index 977ca312d..189d9b188 100644 --- a/winsup/cygwin/dll_init.cc +++ b/winsup/cygwin/dll_init.cc @@ -348,24 +348,47 @@ dll_list::load_after_fork (HANDLE parent, dll *first) in_forkee = false; } +struct dllcrt0_info +{ + HMODULE h; + per_process *p; + int res; + dllcrt0_info (HMODULE h0, per_process *p0): h(h0), p(p0) {} +}; + extern "C" int dll_dllcrt0 (HMODULE h, per_process *p) { + dllcrt0_info x (h, p); + + if (_my_tls.isinitialized ()) + dll_dllcrt0_1 (&x); + else + _my_tls.call ((DWORD (*) (void *, void *)) dll_dllcrt0_1, &x); + return x.res; +} + +void +dll_dllcrt0_1 (VOID *x) +{ + HMODULE& h = ((dllcrt0_info *)x)->h; + per_process*& p = ((dllcrt0_info *)x)->p; + int& res = ((dllcrt0_info *)x)->res; + /* Windows apparently installs a bunch of exception handlers prior to this function getting called and one of them may trip before cygwin gets to it. So, install our own exception handler only. FIXME: It is possible that we may have to save state of the previous exception handler chain and restore it, if problems are noted. */ - if (cygwin_finished_initializing) - _my_tls.init_exception_handler (_cygtls::handle_exceptions); + _my_tls.init_exception_handler (_cygtls::handle_exceptions); if (p == NULL) p = &__cygwin_user_data; else *(p->impure_ptr_ptr) = __cygwin_user_data.impure_ptr; - bool linking = !in_forkee && !cygwin_finished_initializing; + bool linked = !in_forkee && !cygwin_finished_initializing; /* Partially initialize Cygwin guts for non-cygwin apps. */ if (dynamically_loaded && user_data->magic_biscuit == 0) @@ -379,7 +402,7 @@ dll_dllcrt0 (HMODULE h, per_process *p) initializing, then the DLL must be a cygwin-aware DLL that was explicitly linked into the program rather than a dlopened DLL. */ - if (linking) + if (linked) type = DLL_LINK; else { @@ -395,10 +418,10 @@ dll_dllcrt0 (HMODULE h, per_process *p) initialize the DLL. If we haven't finished initializing, it may not be safe to call the dll's "main" since not all of cygwin's internal structures may have been set up. */ - if (!d || (!linking && !d->init ())) - return -1; - - return (DWORD) d; + if (!d || (!linked && !d->init ())) + res = -1; + else + res = (DWORD) d; } /* OBSOLETE: This function is obsolescent and will go away in the |