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b168057a | 1 | /* Copyright (C) 2002-2015 Free Software Foundation, Inc. |
b01fe5f7 UD |
2 | This file is part of the GNU C Library. |
3 | Contributed by Ulrich Drepper <drepper@redhat.com>, 2002. | |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
59ba27a6 PE |
16 | License along with the GNU C Library; if not, see |
17 | <http://www.gnu.org/licenses/>. */ | |
b01fe5f7 UD |
18 | |
19 | #include <errno.h> | |
e4720b0e | 20 | #include <string.h> |
b01fe5f7 UD |
21 | #include <semaphore.h> |
22 | #include <lowlevellock.h> | |
23 | #include <shlib-compat.h> | |
24 | #include "semaphoreP.h" | |
e4720b0e | 25 | #include <kernel-features.h> |
7000d82e | 26 | #include <sparc-nptl.h> |
e4720b0e JJ |
27 | |
28 | int | |
29 | __new_sem_init (sem, pshared, value) | |
30 | sem_t *sem; | |
31 | int pshared; | |
32 | unsigned int value; | |
b01fe5f7 | 33 | { |
e4720b0e | 34 | /* Parameter sanity check. */ |
a1ffb40e | 35 | if (__glibc_unlikely (value > SEM_VALUE_MAX)) |
e4720b0e JJ |
36 | { |
37 | __set_errno (EINVAL); | |
38 | return -1; | |
39 | } | |
b01fe5f7 | 40 | |
e4720b0e JJ |
41 | /* Map to the internal type. */ |
42 | struct sparc_new_sem *isem = (struct sparc_new_sem *) sem; | |
b01fe5f7 | 43 | |
e4720b0e JJ |
44 | /* Use the values the user provided. */ |
45 | memset (isem, '\0', sizeof (*isem)); | |
46 | isem->value = value; | |
47 | #ifdef __ASSUME_PRIVATE_FUTEX | |
48 | isem->private = pshared ? 0 : FUTEX_PRIVATE_FLAG; | |
49 | #else | |
50 | isem->private = pshared ? 0 : THREAD_GETMEM (THREAD_SELF, | |
51 | header.private_futex); | |
52 | #endif | |
53 | ||
54 | return 0; | |
55 | } | |
56 | versioned_symbol (libpthread, __new_sem_init, sem_init, GLIBC_2_1); | |
57 | ||
58 | ||
59 | ||
60 | #if SHLIB_COMPAT(libpthread, GLIBC_2_0, GLIBC_2_1) | |
b01fe5f7 | 61 | int |
e4720b0e JJ |
62 | attribute_compat_text_section |
63 | __old_sem_init (sem, pshared, value) | |
b01fe5f7 UD |
64 | sem_t *sem; |
65 | int pshared; | |
66 | unsigned int value; | |
67 | { | |
68 | /* Parameter sanity check. */ | |
a1ffb40e | 69 | if (__glibc_unlikely (value > SEM_VALUE_MAX)) |
b01fe5f7 UD |
70 | { |
71 | __set_errno (EINVAL); | |
72 | return -1; | |
73 | } | |
74 | ||
75 | /* Map to the internal type. */ | |
e4720b0e | 76 | struct sparc_old_sem *isem = (struct sparc_old_sem *) sem; |
b01fe5f7 UD |
77 | |
78 | /* Use the value the user provided. */ | |
e4720b0e JJ |
79 | memset (isem, '\0', sizeof (*isem)); |
80 | isem->value = value; | |
b01fe5f7 | 81 | |
e4720b0e JJ |
82 | #ifdef __ASSUME_PRIVATE_FUTEX |
83 | isem->private = pshared ? 0 : FUTEX_PRIVATE_FLAG; | |
84 | #else | |
85 | isem->private = pshared ? 0 : THREAD_GETMEM (THREAD_SELF, | |
86 | header.private_futex); | |
87 | #endif | |
b01fe5f7 UD |
88 | |
89 | return 0; | |
90 | } | |
b01fe5f7 UD |
91 | compat_symbol (libpthread, __old_sem_init, sem_init, GLIBC_2_0); |
92 | #endif |