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- /*
- (C) 1995-96 AROS - The Amiga Replacement OS
- $Id: duplock.c,v 1.4 1996/08/13 13:52:54 digulla Exp $
- $Log: duplock.c,v $
- Revision 1.4 1996/08/13 13:52:54 digulla
- Replaced <dos/dosextens.h> by "dos_intern.h" or added "dos_intern.h"
- Replaced __AROS_LA by __AROS_LHA
-
- Revision 1.3 1996/08/12 14:20:37 digulla
- Added aliases
-
- Revision 1.2 1996/08/01 17:40:49 digulla
- Added standard header for all files
-
- Desc:
- Lang: english
- */
- #include <clib/exec_protos.h>
- #include "dos_intern.h"
-
- /*****************************************************************************
-
- NAME */
- #include <clib/dos_protos.h>
-
- __AROS_LH1(BPTR, DupLock,
-
- /* SYNOPSIS */
- __AROS_LHA(BPTR, lock, D1),
-
- /* LOCATION */
- struct DosLibrary *, DOSBase, 16, Dos)
-
- /* FUNCTION
- Clone a lock on a file or directory. This will only work on shared
- locks.
-
- INPUTS
- lock - Old lock.
-
- RESULT
- The new lock or 0 in case of an error. IoErr() will give additional
- information in that case.
-
- NOTES
- This function is identical to DupLockFromFH().
-
- EXAMPLE
-
- BUGS
-
- SEE ALSO
-
- INTERNALS
-
- HISTORY
- 29-10-95 digulla automatically created from
- dos_lib.fd and clib/dos_protos.h
-
- *****************************************************************************/
-
- /*****************************************************************************
-
- NAME
- #include <clib/dos_protos.h>
-
- __AROS_LH1(BPTR, DupLockFromFH,
-
- SYNOPSIS
- __AROS_LHA(BPTR, fh, D1),
-
- LOCATION
- struct DosLibrary *, DOSBase, 62, Dos)
-
- FUNCTION
- Try to get a lock on the object selected by the filehandle.
-
- INPUTS
- fh - filehandle.
-
- RESULT
- The new lock or 0 in case of an error. IoErr() will give additional
- information in that case.
-
- NOTES
- This function is identical to DupLock().
-
- EXAMPLE
-
- BUGS
-
- SEE ALSO
-
- INTERNALS
-
- HISTORY
- 29-10-95 digulla automatically created from
- dos_lib.fd and clib/dos_protos.h
-
- *****************************************************************************/
- /*AROS alias DupLockFromFH DupLock */
- {
- __AROS_FUNC_INIT
- __AROS_BASE_EXT_DECL(struct DosLibrary *,DOSBase)
-
- BPTR old, new;
- struct Process *me=(struct Process *)FindTask(NULL);
-
- /* Use Lock() to clone the handle. cd to it first. */
- old=me->pr_CurrentDir;
- me->pr_CurrentDir=lock;
- new=Lock("",SHARED_LOCK);
- me->pr_CurrentDir=old;
- return new;
- __AROS_FUNC_EXIT
- } /* DupLock */
-