1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
|
/* Copyright (C) 2002-2014 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
The GNU C Library 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 2.1 of the License, or (at your option) any later version.
The GNU C Library 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 the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <string.h>
#include <semaphore.h>
#include <lowlevellock.h>
#include <shlib-compat.h>
#include "semaphoreP.h"
#include <kernel-features.h>
int
__new_sem_init (sem, pshared, value)
sem_t *sem;
int pshared;
unsigned int value;
{
/* Parameter sanity check. */
if (__builtin_expect (value > SEM_VALUE_MAX, 0))
{
__set_errno (EINVAL);
return -1;
}
/* Map to the internal type. */
struct sparc_new_sem *isem = (struct sparc_new_sem *) sem;
/* Use the values the user provided. */
memset (isem, '\0', sizeof (*isem));
isem->value = value;
#ifdef __ASSUME_PRIVATE_FUTEX
isem->private = pshared ? 0 : FUTEX_PRIVATE_FLAG;
#else
isem->private = pshared ? 0 : THREAD_GETMEM (THREAD_SELF,
header.private_futex);
#endif
return 0;
}
versioned_symbol (libpthread, __new_sem_init, sem_init, GLIBC_2_1);
#if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1)
int
attribute_compat_text_section
__old_sem_init (sem, pshared, value)
sem_t *sem;
int pshared;
unsigned int value;
{
/* Parameter sanity check. */
if (__builtin_expect (value > SEM_VALUE_MAX, 0))
{
__set_errno (EINVAL);
return -1;
}
/* Map to the internal type. */
struct sparc_old_sem *isem = (struct sparc_old_sem *) sem;
/* Use the value the user provided. */
memset (isem, '\0', sizeof (*isem));
isem->value = value;
#ifdef __ASSUME_PRIVATE_FUTEX
isem->private = pshared ? 0 : FUTEX_PRIVATE_FLAG;
#else
isem->private = pshared ? 0 : THREAD_GETMEM (THREAD_SELF,
header.private_futex);
#endif
return 0;
}
compat_symbol (libpthread, __old_sem_init, sem_init, GLIBC_2_0);
#endif
|
