newlib-cygwin/winsup/cygwin/miscfuncs.h

/* miscfuncs.h: main Cygwin header file.

   Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
   2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012 Red Hat, Inc.

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 _MISCFUNCS_H
#define _MISCFUNCS_H
int winprio_to_nice (DWORD) __attribute__ ((regparm (1)));
DWORD nice_to_winprio (int &) __attribute__ ((regparm (1)));

bool __stdcall create_pipe (PHANDLE, PHANDLE, LPSECURITY_ATTRIBUTES, DWORD)
  __attribute__ ((regparm (3)));

BOOL WINAPI CreatePipeOverlapped (PHANDLE read_handle, PHANDLE write_handle,
				  LPSECURITY_ATTRIBUTES sa);
BOOL WINAPI ReadPipeOverlapped (HANDLE h, PVOID buf, DWORD len,
				LPDWORD ret_len, DWORD timeout);
BOOL WINAPI WritePipeOverlapped (HANDLE h, LPCVOID buf, DWORD len,
				 LPDWORD ret_len, DWORD timeout);

extern "C" void yield ();

void backslashify (const char *, char *, bool);
void slashify (const char *, char *, bool);
#define isslash(c) ((c) == '/')

extern void transform_chars (PWCHAR, PWCHAR);
inline void
transform_chars (PUNICODE_STRING upath, USHORT start_idx)
{
  transform_chars (upath->Buffer + start_idx,
		   upath->Buffer + upath->Length / sizeof (WCHAR) - 1);
}

/* Memory checking */
int __stdcall check_invalid_virtual_addr (const void *s, unsigned sz) __attribute__ ((regparm(2)));

ssize_t check_iovec (const struct iovec *, int, bool) __attribute__ ((regparm(3)));
#define check_iovec_for_read(a, b) check_iovec ((a), (b), false)
#define check_iovec_for_write(a, b) check_iovec ((a), (b), true)

extern "C" HANDLE WINAPI CygwinCreateThread (LPTHREAD_START_ROUTINE thread_func,
					     PVOID thread_arg, PVOID stackaddr,
					     ULONG stacksize, ULONG guardsize,
					     DWORD creation_flags,
					     LPDWORD thread_id);

#endif /*_MISCFUNCS_H*/