OpenCores
URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [gnu-dev/] [or1k-gcc/] [gcc/] [ada/] [thread.c] - Blame information for rev 706

Details | Compare with Previous | View Log

Line No. Rev Author Line
1 706 jeremybenn
/****************************************************************************
2
 *                                                                          *
3
 *                         GNAT COMPILER COMPONENTS                         *
4
 *                                                                          *
5
 *                              P T H R E A D                               *
6
 *                                                                          *
7
 *                          C Implementation File                           *
8
 *                                                                          *
9
 *             Copyright (C) 2011, Free Software Foundation, Inc.           *
10
 *                                                                          *
11
 * GNAT is free software;  you can  redistribute it  and/or modify it under *
12
 * terms of the  GNU General Public License as published  by the Free Soft- *
13
 * ware  Foundation;  either version 3,  or (at your option) any later ver- *
14
 * sion.  GNAT is distributed in the hope that it will be useful, but WITH- *
15
 * OUT ANY WARRANTY;  without even the  implied warranty of MERCHANTABILITY *
16
 * or FITNESS FOR A PARTICULAR PURPOSE.                                     *
17
 *                                                                          *
18
 * As a special exception under Section 7 of GPL version 3, you are granted *
19
 * additional permissions described in the GCC Runtime Library Exception,   *
20
 * version 3.1, as published by the Free Software Foundation.               *
21
 *                                                                          *
22
 * You should have received a copy of the GNU General Public License and    *
23
 * a copy of the GCC Runtime Library Exception along with this program;     *
24
 * see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see    *
25
 * <http://www.gnu.org/licenses/>.                                          *
26
 *                                                                          *
27
 * GNAT was originally developed  by the GNAT team at  New York University. *
28
 * Extensive contributions were provided by Ada Core Technologies Inc.      *
29
 *                                                                          *
30
 ****************************************************************************/
31
 
32
/*  This file provides utility functions to access the threads API          */
33
 
34
#include "s-oscons.h"
35
 
36
#ifdef NEED_PTHREAD_CONDATTR_SETCLOCK
37
# include <pthread.h>
38
# include <time.h>
39
 
40
#ifndef _AIXVERSION_530
41
/* We use the same runtime library for AIX 5.2 and 5.3, but pthread_condattr_
42
 * setclock exists only on the latter, so for the former provide a dummy
43
 * implementation (declared below, weak symbol defined in init.c).
44
 *
45
 * Note: this means that under AIX 5.2 we'll be using CLOCK_MONOTONIC
46
 * timestamps from clock_gettime() as arguments to pthread_cond_timedwait,
47
 * which expects a CLOCK_REALTIME value, which is technically wrong, but
48
 * inocuous in practice on that particular platform since both clocks happen
49
 * to use close epochs.
50
 */
51
 
52
extern int pthread_condattr_setclock (pthread_condattr_t *attr, clockid_t cl);
53
#endif
54
 
55
int
56
__gnat_pthread_condattr_setup(pthread_condattr_t *attr) {
57
/*
58
 * If using a clock other than CLOCK_REALTIME for the Ada Monotonic_Clock,
59
 * the corresponding clock id must be set for condition variables.
60
 */
61
  return pthread_condattr_setclock (attr, CLOCK_RT_Ada);
62
}
63
 
64
#else
65
 
66
int
67
__gnat_pthread_condattr_setup (void *attr) {
68
  /* Dummy version for other platforms, which may or may not have pthread.h */
69
  return 0;
70
}
71
 
72
#endif

powered by: WebSVN 2.1.0

© copyright 1999-2024 OpenCores.org, equivalent to Oliscience, all rights reserved. OpenCores®, registered trademark.