X-Git-Url: https://pd.if.org/git/?p=pdclib;a=blobdiff_plain;f=platform%2Fwin32%2Fcrt0.c;h=471e42c094fb199b39549dcc3911e4e649537e17;hp=fcdee084eec3362453825028447a6443d564e463;hb=da0f3f353d417fed71f358a48d5d5394145e460d;hpb=d8928b5f31bbdac23f9ec296ef28b4b10efa31d5

diff --git a/platform/win32/crt0.c b/platform/win32/crt0.c
index fcdee08..471e42c 100644
--- a/platform/win32/crt0.c
+++ b/platform/win32/crt0.c
@@ -1,7 +1,13 @@
-#include <windows.h>
 #include <string.h>
 #include <stdlib.h>
 #include <stdio.h>
+#include <signal.h>
+#include <threads.h>
+#include <wchar.h> // Watcom bug: winnt.h assumes string.h defines wchar_t
+#include <windows.h>
+#include "_PDCLIB_io.h"
+#include "_PDCLIB_locale.h"
+#include "_PDCLIB_clocale.h"
 
 static char ** argvToAnsi( wchar_t ** wargv, int argc )
 {
@@ -21,6 +27,7 @@ static char ** argvToAnsi( wchar_t ** wargv, int argc )
         if(rv != sz) {
             fputs("Error in C runtime initialization: "
                   "size mismatch during character set conversion", stderr);
+            abort();
         }
     }
     return argv;
@@ -40,18 +47,96 @@ static void freeArgs( void )
     LocalFree( wargv );
 }
 
+extern void (*_PDCLIB_sigfpe)( int );
+extern void (*_PDCLIB_sigill)( int );
+extern void (*_PDCLIB_sigsegv)( int );
+
+static LPTOP_LEVEL_EXCEPTION_FILTER oldFilter;
+static LONG CALLBACK sehExceptionFilter( EXCEPTION_POINTERS * exInfo )
+{
+    int sig;
+    void (*handler)( int );
+
+    switch( exInfo->ExceptionRecord->ExceptionCode ) {
+        case EXCEPTION_ACCESS_VIOLATION:
+        case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
+        case EXCEPTION_DATATYPE_MISALIGNMENT:
+        case EXCEPTION_GUARD_PAGE:
+        case EXCEPTION_IN_PAGE_ERROR:
+        case EXCEPTION_STACK_OVERFLOW:
+            sig = SIGSEGV;
+            handler = _PDCLIB_sigsegv;
+            break;
+
+        case EXCEPTION_ILLEGAL_INSTRUCTION:
+        case EXCEPTION_PRIV_INSTRUCTION:
+            sig = SIGILL;
+            handler = _PDCLIB_sigill;
+            break;
+
+        case EXCEPTION_INT_DIVIDE_BY_ZERO:
+        case EXCEPTION_INT_OVERFLOW:
+        case EXCEPTION_FLT_DENORMAL_OPERAND:
+        case EXCEPTION_FLT_DIVIDE_BY_ZERO:
+        case EXCEPTION_FLT_INEXACT_RESULT:
+        case EXCEPTION_FLT_INVALID_OPERATION:
+        case EXCEPTION_FLT_OVERFLOW:
+        case EXCEPTION_FLT_STACK_CHECK:
+        case EXCEPTION_FLT_UNDERFLOW:
+            sig = SIGFPE;
+            handler = _PDCLIB_sigfpe;
+            break;
+
+        default:
+            return oldFilter ? oldFilter( exInfo ) : EXCEPTION_EXECUTE_HANDLER;
+    }
+
+    if(handler == SIG_DFL) {
+        return EXCEPTION_EXECUTE_HANDLER;
+    } else if(handler == SIG_IGN) {
+        return EXCEPTION_CONTINUE_EXECUTION;
+    } else {
+        handler( sig );
+        return EXCEPTION_CONTINUE_EXECUTION;
+    }
+}
+
 extern int main( int argc, char ** argv, char ** envp );
-_PDCLIB_noreturn void mainCRTStartup( void ) 
+
+void __cdecl mainCRTStartup( void );
+
+void __cdecl mainCRTStartup( void ) 
 {
-    stdin->handle  = GetStdHandle(STD_INPUT_HANDLE);
-    stdout->handle = GetStdHandle(STD_OUTPUT_HANDLE);
-    stderr->handle = GetStdHandle(STD_ERROR_HANDLE);
+    stdin->handle.pointer  = GetStdHandle(STD_INPUT_HANDLE);
+    stdout->handle.pointer = GetStdHandle(STD_OUTPUT_HANDLE);
+    stderr->handle.pointer = GetStdHandle(STD_ERROR_HANDLE);
+
+    oldFilter = SetUnhandledExceptionFilter( sehExceptionFilter );
 
     cl    = GetCommandLineW();
     wargv = CommandLineToArgvW(cl, &argc);
     argv  = argvToAnsi(wargv, argc);
+
+    _PDCLIB_initclocale( &_PDCLIB_global_locale );
+
+    if(tss_create(&_PDCLIB_locale_tss, (tss_dtor_t) freelocale) 
+            != thrd_success) {
+        fputs( "Error during C runtime initialization: "
+               "Unable to allocate locale TLS", stderr );
+        exit( EXIT_FAILURE );
+    }
+
+    if(        mtx_init(&stdin->lock, mtx_recursive) != thrd_success 
+            || mtx_init(&stdout->lock, mtx_recursive) != thrd_success
+            || mtx_init(&stderr->lock, mtx_recursive) != thrd_success ) {
+        fputs( "Error during C runtime initialization: "
+            "Unable to allocate stdio mutex", stderr );
+        exit( EXIT_FAILURE );
+    }
+
     atexit(freeArgs);
 
     int exitStatus = main(argc, argv, NULL);
+
     exit(exitStatus);
-}
+}
\ No newline at end of file