1 files changed, 56 insertions, 0 deletions
diff --git a/winsup/cygwin/local_includes/cygerrno.h b/winsup/cygwin/local_includes/cygerrno.h
new file mode 100644
index 000000000..1bcc4c6ff
--- /dev/null
+++ b/winsup/cygwin/local_includes/cygerrno.h
@@ -0,0 +1,56 @@
+/* cygerrno.h: main Cygwin header file.
+
+This file is part of Cygwin.
+
+This software is a copyrighted work licensed under the terms of the
+Cygwin license.  Please consult the file "CYGWIN_LICENSE" for
+details. */
+
+#ifndef _CYGERRNO_H
+#define _CYGERRNO_H
+#include <errno.h>
+
+void seterrno_from_win_error (const char *file, int line, DWORD code);
+void seterrno_from_nt_status (const char *file, int line, NTSTATUS status);
+int geterrno_from_win_error (DWORD code = GetLastError (), int deferrno = 13 /*EACCESS*/);
+int geterrno_from_nt_status (NTSTATUS status, int deferrno = 13 /*EACCESS*/);
+
+inline void __attribute__ ((always_inline))
+seterrno (const char *file, int line)
+{
+  seterrno_from_win_error (file, line, GetLastError ());
+}
+
+#define __seterrno() seterrno (__FILE__, __LINE__)
+#define __seterrno_from_win_error(val) seterrno_from_win_error (__FILE__, __LINE__, val)
+#define __seterrno_from_nt_status(status) seterrno_from_nt_status (__FILE__, __LINE__, status)
+
+extern inline int
+__set_errno (const char *fn, int ln, int val)
+{
+  debug_printf ("%s:%d setting errno %d", fn, ln, val);
+  return errno = _REENT_ERRNO(_impure_ptr) = val;
+}
+#define set_errno(val) __set_errno (__PRETTY_FUNCTION__, __LINE__, (val))
+
+int find_winsock_errno (DWORD why);
+void __set_winsock_errno (const char *fn, int ln);
+#define set_winsock_errno() __set_winsock_errno (__FUNCTION__, __LINE__)
+
+#define get_errno()  (errno)
+extern "C" void set_sig_errno (int e);
+
+class save_errno
+  {
+    int saved;
+  public:
+    save_errno () {saved = get_errno ();}
+    save_errno (int what) {saved = get_errno (); set_errno (what); }
+    void set (int what) {set_errno (what); saved = what;}
+    void reset () {saved = get_errno ();}
+    ~save_errno () {errno = _REENT_ERRNO(_impure_ptr) = saved;}
+  };
+
+extern const char *__sp_fn;
+extern int __sp_ln;
+#endif /*_CYGERRNO_H*/