on Windows, avoid potential exception (could happen if MSVCRT isn't

[p5sagit/p5-mst-13.2.git] / win32 / win32.h

diff --git a/win32/win32.h b/win32/win32.h
index a0d0761..d9ffbfe 100644 (file)
--- a/win32/win32.h
+++ b/win32/win32.h
@@ -25,6 +25,7 @@
 #  endif
 #  define win32_get_privlib PerlEnv_lib_path
 #  define win32_get_sitelib PerlEnv_sitelib_path
+#  define win32_get_vendorlib PerlEnv_vendorlib_path
 #endif
 
 #ifdef __GNUC__
@@ -134,6 +135,12 @@ struct utsname {
 #define USE_FIXED_OSFHANDLE
 #endif
 
+/* Define PERL_WIN32_SOCK_DLOAD to have Perl dynamically load the winsock
+   DLL when needed. Don't use if your compiler supports delayloading (ie, VC++ 6.0)
+       -- BKS 5-29-2000 */
+#if !(defined(_M_IX86) && _MSC_VER >= 1200)
+#define PERL_WIN32_SOCK_DLOAD
+#endif
 #define ENV_IS_CASELESS
 
 #ifndef VER_PLATFORM_WIN32_WINDOWS     /* VC-2.0 headers don't have this */
@@ -152,6 +159,11 @@ struct utsname {
 #  define      F_OK    0
 #endif
 
+/* for waitpid() */
+#ifndef WNOHANG
+#  define WNOHANG      1
+#endif
+
 #define PERL_GET_CONTEXT_DEFINED
 
 /* Compiler-specific stuff. */
@@ -187,6 +199,8 @@ struct utsname {
 /* Borland C thinks that a pointer to a member variable is 12 bytes in size. */
 #define PERL_MEMBER_PTR_SIZE   12
 
+#define isnan          _isnan
+
 #endif
 
 #ifdef _MSC_VER                        /* Microsoft Visual C++ */
@@ -199,6 +213,8 @@ typedef unsigned short      mode_t;
 /* Visual C thinks that a pointer to a member variable is 16 bytes in size. */
 #define PERL_MEMBER_PTR_SIZE   16
 
+#define isnan          _isnan
+
 #endif /* _MSC_VER */
 
 #ifdef __MINGW32__             /* Minimal Gnu-Win32 */
@@ -210,6 +226,7 @@ typedef long                gid_t;
 #endif
 #define flushall       _flushall
 #define fcloseall      _fcloseall
+#define isnan          _isnan  /* ...same libraries as MSVC */
 
 #ifdef PERL_OBJECT
 #  define MEMBER_TO_FPTR(name) &(name)
@@ -301,6 +318,23 @@ typedef struct {
     HANDLE     childStdIn;
     HANDLE     childStdOut;
     HANDLE     childStdErr;
+    /*
+     * the following correspond to the fields of the same name
+     * in the STARTUPINFO structure. Embedders can use these to
+     * control the spawning process' look.
+     * Example - to hide the window of the spawned process:
+     *    dwFlags = STARTF_USESHOWWINDOW;
+     *   wShowWindow = SW_HIDE;
+     */
+    DWORD      dwFlags;
+    DWORD      dwX; 
+    DWORD      dwY; 
+    DWORD      dwXSize; 
+    DWORD      dwYSize; 
+    DWORD      dwXCountChars; 
+    DWORD      dwYCountChars; 
+    DWORD      dwFillAttribute;
+    WORD       wShowWindow; 
 } child_IO_table;
 
 DllExport void         win32_get_child_IO(child_IO_table* ptr);
@@ -312,12 +346,17 @@ extern int                my_fclose(FILE *);
 extern int             do_aspawn(void *really, void **mark, void **sp);
 extern int             do_spawn(char *cmd);
 extern int             do_spawn_nowait(char *cmd);
-extern char *          win32_get_privlib(char *pl);
-extern char *          win32_get_sitelib(char *pl);
+extern char *          win32_get_privlib(const char *pl);
+extern char *          win32_get_sitelib(const char *pl);
+extern char *          win32_get_vendorlib(const char *pl);
 extern int             IsWin95(void);
 extern int             IsWinNT(void);
 extern void            win32_argv2utf8(int argc, char** argv);
 
+#ifdef PERL_IMPLICIT_SYS
+extern void            win32_delete_internal_host(void *h);
+#endif
+
 extern char *          staticlinkmodules[];
 
 END_EXTERN_C
@@ -454,6 +493,56 @@ struct interp_intern {
     } STMT_END
 #endif
 
+#if defined(USE_FIXED_OSFHANDLE) || defined(PERL_MSVCRT_READFIX)
+#ifdef PERL_CORE
+
+/* C doesn't like repeat struct definitions */
+#ifndef _CRTIMP
+#define _CRTIMP __declspec(dllimport)
+#endif
+
+/*
+ * Control structure for lowio file handles
+ */
+typedef struct {
+    long osfhnd;    /* underlying OS file HANDLE */
+    char osfile;    /* attributes of file (e.g., open in text mode?) */
+    char pipech;    /* one char buffer for handles opened on pipes */
+    int lockinitflag;
+    CRITICAL_SECTION lock;
+} ioinfo;
+
+
+/*
+ * Array of arrays of control structures for lowio files.
+ */
+EXTERN_C _CRTIMP ioinfo* __pioinfo[];
+
+/*
+ * Definition of IOINFO_L2E, the log base 2 of the number of elements in each
+ * array of ioinfo structs.
+ */
+#define IOINFO_L2E         5
+
+/*
+ * Definition of IOINFO_ARRAY_ELTS, the number of elements in ioinfo array
+ */
+#define IOINFO_ARRAY_ELTS   (1 << IOINFO_L2E)
+
+/*
+ * Access macros for getting at an ioinfo struct and its fields from a
+ * file handle
+ */
+#define _pioinfo(i) (__pioinfo[(i) >> IOINFO_L2E] + ((i) & (IOINFO_ARRAY_ELTS - 1)))
+#define _osfhnd(i)  (_pioinfo(i)->osfhnd)
+#define _osfile(i)  (_pioinfo(i)->osfile)
+#define _pipech(i)  (_pioinfo(i)->pipech)
+
+/* since we are not doing a dup2(), this works fine */
+#define _set_osfhnd(fh, osfh) (void)(_osfhnd(fh) = (long)osfh)
+#endif
+#endif
+
 /*
  * This provides a layer of functions and macros to ensure extensions will
  * get to use the same RTL functions as the core.