improve open.pm layer class error message

[perl5.git] / win32 / win32iop.h

diff --git a/win32/win32iop.h b/win32/win32iop.h
index b03e9a7..9c59037 100644 (file)
--- a/win32/win32iop.h
+++ b/win32/win32iop.h
@@ -86,6 +86,7 @@ DllExport  int                win32_dup2(int h1, int h2);
 DllExport  int         win32_open(const char *path, int oflag,...);
 DllExport  int         win32_close(int fd);
 DllExport  int         win32_eof(int fd);
+DllExport  int         win32_isatty(int fd);
 DllExport  int         win32_read(int fd, void *buf, unsigned int cnt);
 DllExport  int         win32_write(int fd, const void *buf, unsigned int cnt);
 DllExport  int         win32_spawnvp(int mode, const char *cmdname,
@@ -161,7 +162,9 @@ DllExport Sighandler_t      win32_signal(int sig, Sighandler_t subcode);
 END_EXTERN_C
 
 #undef alarm
-#define alarm                  win32_alarm
+#define alarm                          win32_alarm
+#undef strerror
+#define strerror                       win32_strerror
 
 /*
  * the following six(6) is #define in stdio.h
@@ -205,7 +208,6 @@ END_EXTERN_C
 #define ferror(f)                      win32_ferror(f)
 #define errno                          (*win32_errno())
 #define environ                                (*win32_environ())
-#define strerror                       win32_strerror
 
 /*
  * redirect to our own version
@@ -251,6 +253,7 @@ END_EXTERN_C
 #define open                   win32_open
 #define close(fd)              win32_close(fd)
 #define eof(fd)                        win32_eof(fd)
+#define isatty(fd)             win32_isatty(fd)
 #define read(fd,b,s)           win32_read(fd,b,s)
 #define write(fd,b,s)          win32_write(fd,b,s)
 #define _open_osfhandle                win32_open_osfhandle
@@ -294,6 +297,10 @@ END_EXTERN_C
 #define free                   win32_free
 #endif
 
+/* XXX Why are APIs like sleep(), times() etc. inside a block
+ * XXX guarded by "#ifndef WIN32IO_IS_STDIO"?
+ */
+
 #define pipe(fd)               win32_pipe((fd), 512, O_BINARY)
 #define pause()                        win32_sleep((32767L << 16) + 32767)
 #define sleep                  win32_sleep