Elliott Hughes | 45df23d | 2015-07-10 13:40:42 -0700 | [diff] [blame^] | 1 | /* -*- buffer-read-only: t -*- vi: set ro: */ |
| 2 | /* DO NOT EDIT! GENERATED AUTOMATICALLY! */ |
| 3 | /* Invalid parameter handler for MSVC runtime libraries. |
| 4 | Copyright (C) 2011-2012 Free Software Foundation, Inc. |
| 5 | |
| 6 | This program is free software; you can redistribute it and/or modify |
| 7 | it under the terms of the GNU General Public License as published by |
| 8 | the Free Software Foundation; either version 3, or (at your option) |
| 9 | any later version. |
| 10 | |
| 11 | This program is distributed in the hope that it will be useful, |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 14 | GNU General Public License for more details. |
| 15 | |
| 16 | You should have received a copy of the GNU General Public License along |
| 17 | with this program; if not, see <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <config.h> |
| 20 | |
| 21 | /* Specification. */ |
| 22 | #include "msvc-inval.h" |
| 23 | |
| 24 | #if HAVE_MSVC_INVALID_PARAMETER_HANDLER \ |
| 25 | && !(MSVC_INVALID_PARAMETER_HANDLING == SANE_LIBRARY_HANDLING) |
| 26 | |
| 27 | /* Get _invalid_parameter_handler type and _set_invalid_parameter_handler |
| 28 | declaration. */ |
| 29 | # include <stdlib.h> |
| 30 | |
| 31 | # if MSVC_INVALID_PARAMETER_HANDLING == DEFAULT_HANDLING |
| 32 | |
| 33 | static void cdecl |
| 34 | gl_msvc_invalid_parameter_handler (const wchar_t *expression, |
| 35 | const wchar_t *function, |
| 36 | const wchar_t *file, |
| 37 | unsigned int line, |
| 38 | uintptr_t dummy) |
| 39 | { |
| 40 | } |
| 41 | |
| 42 | # else |
| 43 | |
| 44 | /* Get declarations of the native Windows API functions. */ |
| 45 | # define WIN32_LEAN_AND_MEAN |
| 46 | # include <windows.h> |
| 47 | |
| 48 | # if defined _MSC_VER |
| 49 | |
| 50 | static void cdecl |
| 51 | gl_msvc_invalid_parameter_handler (const wchar_t *expression, |
| 52 | const wchar_t *function, |
| 53 | const wchar_t *file, |
| 54 | unsigned int line, |
| 55 | uintptr_t dummy) |
| 56 | { |
| 57 | RaiseException (STATUS_GNULIB_INVALID_PARAMETER, 0, 0, NULL); |
| 58 | } |
| 59 | |
| 60 | # else |
| 61 | |
| 62 | /* An index to thread-local storage. */ |
| 63 | static DWORD tls_index; |
| 64 | static int tls_initialized /* = 0 */; |
| 65 | |
| 66 | /* Used as a fallback only. */ |
| 67 | static struct gl_msvc_inval_per_thread not_per_thread; |
| 68 | |
| 69 | struct gl_msvc_inval_per_thread * |
| 70 | gl_msvc_inval_current (void) |
| 71 | { |
| 72 | if (!tls_initialized) |
| 73 | { |
| 74 | tls_index = TlsAlloc (); |
| 75 | tls_initialized = 1; |
| 76 | } |
| 77 | if (tls_index == TLS_OUT_OF_INDEXES) |
| 78 | /* TlsAlloc had failed. */ |
| 79 | return ¬_per_thread; |
| 80 | else |
| 81 | { |
| 82 | struct gl_msvc_inval_per_thread *pointer = |
| 83 | (struct gl_msvc_inval_per_thread *) TlsGetValue (tls_index); |
| 84 | if (pointer == NULL) |
| 85 | { |
| 86 | /* First call. Allocate a new 'struct gl_msvc_inval_per_thread'. */ |
| 87 | pointer = |
| 88 | (struct gl_msvc_inval_per_thread *) |
| 89 | malloc (sizeof (struct gl_msvc_inval_per_thread)); |
| 90 | if (pointer == NULL) |
| 91 | /* Could not allocate memory. Use the global storage. */ |
| 92 | pointer = ¬_per_thread; |
| 93 | TlsSetValue (tls_index, pointer); |
| 94 | } |
| 95 | return pointer; |
| 96 | } |
| 97 | } |
| 98 | |
| 99 | static void cdecl |
| 100 | gl_msvc_invalid_parameter_handler (const wchar_t *expression, |
| 101 | const wchar_t *function, |
| 102 | const wchar_t *file, |
| 103 | unsigned int line, |
| 104 | uintptr_t dummy) |
| 105 | { |
| 106 | struct gl_msvc_inval_per_thread *current = gl_msvc_inval_current (); |
| 107 | if (current->restart_valid) |
| 108 | longjmp (current->restart, 1); |
| 109 | else |
| 110 | /* An invalid parameter notification from outside the gnulib code. |
| 111 | Give the caller a chance to intervene. */ |
| 112 | RaiseException (STATUS_GNULIB_INVALID_PARAMETER, 0, 0, NULL); |
| 113 | } |
| 114 | |
| 115 | # endif |
| 116 | |
| 117 | # endif |
| 118 | |
| 119 | static int gl_msvc_inval_initialized /* = 0 */; |
| 120 | |
| 121 | void |
| 122 | gl_msvc_inval_ensure_handler (void) |
| 123 | { |
| 124 | if (gl_msvc_inval_initialized == 0) |
| 125 | { |
| 126 | _set_invalid_parameter_handler (gl_msvc_invalid_parameter_handler); |
| 127 | gl_msvc_inval_initialized = 1; |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | #endif |