| /* Definitions for thread support. |
| * |
| * JC, 9/5/94 |
| * 30/7/99 RP, JC |
| * - reworked for posix/solaris threads |
| * 28/9/99 JC |
| * - restructured, made part of public API |
| */ |
| |
| /* |
| |
| This file is part of VIPS. |
| |
| VIPS is free software; you can redistribute it and/or modify |
| it under the terms of the GNU Lesser General Public License as published by |
| the Free Software Foundation; either version 2 of the License, or |
| (at your option) any later version. |
| |
| This program is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with this program; if not, write to the Free Software |
| Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| |
| */ |
| |
| /* |
| |
| These files are distributed with VIPS - http://www.vips.ecs.soton.ac.uk |
| |
| */ |
| |
| #ifndef IM_SEMAPHORE_H |
| #define IM_SEMAPHORE_H |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif /*__cplusplus*/ |
| |
| /* Implement our own semaphores. |
| */ |
| typedef struct { |
| char *name; |
| int v; |
| |
| GMutex *mutex; |
| GCond *cond; |
| } im_semaphore_t; |
| |
| int im_semaphore_up( im_semaphore_t *s ); |
| int im_semaphore_down( im_semaphore_t *s ); |
| int im_semaphore_upn( im_semaphore_t *s, int n ); |
| int im_semaphore_downn( im_semaphore_t *s, int n ); |
| void im_semaphore_destroy( im_semaphore_t *s ); |
| void im_semaphore_init( im_semaphore_t *s, int v, char *name ); |
| |
| #ifdef __cplusplus |
| } |
| #endif /*__cplusplus*/ |
| |
| #endif /*IM_SEMAPHORE_H*/ |
