2 /*--------------------------------------------------------------------*/
3 /*--- Private scheduler header. priv_sema.h ---*/
4 /*--------------------------------------------------------------------*/
7 This file is part of Valgrind, a dynamic binary instrumentation
10 Copyright (C) 2000-2017 Julian Seward
13 This program is free software; you can redistribute it and/or
14 modify it under the terms of the GNU General Public License as
15 published by the Free Software Foundation; either version 2 of the
16 License, or (at your option) any later version.
18 This program is distributed in the hope that it will be useful, but
19 WITHOUT ANY WARRANTY; without even the implied warranty of
20 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 General Public License for more details.
23 You should have received a copy of the GNU General Public License
24 along with this program; if not, see <http://www.gnu.org/licenses/>.
26 The GNU General Public License is contained in the file COPYING.
32 #include "pub_core_basics.h" // Bool
34 /* Not really a semaphore, but use a pipe for a token-passing scheme */
37 Int owner_lwpid
; /* who currently has it */
38 Bool held_as_LL
; /* if held, True == held by a _LL call */
41 // Nb: this may be OS-specific, but let's not factor it out until we
42 // implement an OS port for which this isn't ok.
43 void ML_(sema_init
) ( vg_sema_t
*sema
);
44 void ML_(sema_deinit
) ( vg_sema_t
*sema
);
45 void ML_(sema_down
) ( vg_sema_t
*sema
, Bool as_LL
);
46 void ML_(sema_up
) ( vg_sema_t
*sema
, Bool as_LL
);
48 #endif // __PRIV_SEMA_H
50 /*--------------------------------------------------------------------*/
52 /*--------------------------------------------------------------------*/