diff options
Diffstat (limited to 'common/library.c')
| -rw-r--r-- | common/library.c | 212 |
1 files changed, 0 insertions, 212 deletions
diff --git a/common/library.c b/common/library.c deleted file mode 100644 index 502ea98..0000000 --- a/common/library.c +++ /dev/null @@ -1,212 +0,0 @@ -/* - * Copyright (c) 2011 Collabora Ltd - * Copyright (c) 2012 Stef Walter - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * * Redistributions of source code must retain the above - * copyright notice, this list of conditions and the - * following disclaimer. - * * Redistributions in binary form must reproduce the - * above copyright notice, this list of conditions and - * the following disclaimer in the documentation and/or - * other materials provided with the distribution. - * * The names of contributors to this software may not be - * used to endorse or promote products derived from this - * software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS - * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED - * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF - * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH - * DAMAGE. - * - * - * CONTRIBUTORS - * Stef Walter <stef@thewalter.net> - */ - -#include "config.h" - -#include "compat.h" -#define P11_DEBUG_FLAG P11_DEBUG_LIB -#include "debug.h" -#include "library.h" -#include "message.h" - -#include <assert.h> -#include <stdarg.h> -#include <stdlib.h> -#include <stdio.h> -#include <string.h> - -#define P11_MESSAGE_MAX 512 - -typedef struct { - char message[P11_MESSAGE_MAX]; -} p11_local; - -static p11_local * _p11_library_get_thread_local (void); - -p11_mutex_t p11_library_mutex; - -#ifdef OS_UNIX -pthread_once_t p11_library_once = PTHREAD_ONCE_INIT; -#endif - -unsigned int p11_forkid = 1; - -static char * -thread_local_message (void) -{ - p11_local *local; - local = _p11_library_get_thread_local (); - return local ? local->message : NULL; -} - -static char * -dont_store_message (void) -{ - return NULL; -} - -static void -uninit_common (void) -{ - p11_debug ("uninitializing library"); -} - -#ifdef OS_UNIX - -static pthread_key_t thread_local = 0; - -static p11_local * -_p11_library_get_thread_local (void) -{ - p11_local *local; - - p11_library_init_once (); - - local = pthread_getspecific (thread_local); - if (local == NULL) { - local = calloc (1, sizeof (p11_local)); - pthread_setspecific (thread_local, local); - } - - return local; -} - -static void -count_forks (void) -{ - /* Thread safe, executed in child, one thread exists */ - p11_forkid++; -} - -void -p11_library_init_impl (void) -{ - p11_debug_init (); - p11_debug ("initializing library"); - p11_mutex_init (&p11_library_mutex); - pthread_key_create (&thread_local, free); - p11_message_storage = thread_local_message; - - pthread_atfork (NULL, NULL, count_forks); -} - -void -p11_library_init (void) -{ - p11_library_init_once (); -} - -void -p11_library_uninit (void) -{ - uninit_common (); - - /* Some cleanup to pacify valgrind */ - free (pthread_getspecific (thread_local)); - pthread_setspecific (thread_local, NULL); - - p11_message_storage = dont_store_message; - pthread_key_delete (thread_local); - p11_mutex_uninit (&p11_library_mutex); -} - -#endif /* OS_UNIX */ - -#ifdef OS_WIN32 - -static DWORD thread_local = TLS_OUT_OF_INDEXES; - -BOOL WINAPI DllMain (HINSTANCE, DWORD, LPVOID); - -static p11_local * -_p11_library_get_thread_local (void) -{ - LPVOID data; - - if (thread_local == TLS_OUT_OF_INDEXES) - return NULL; - - data = TlsGetValue (thread_local); - if (data == NULL) { - data = LocalAlloc (LPTR, sizeof (p11_local)); - TlsSetValue (thread_local, data); - } - - return (p11_local *)data; -} - -void -p11_library_init (void) -{ - p11_debug_init (); - p11_debug ("initializing library"); - p11_mutex_init (&p11_library_mutex); - thread_local = TlsAlloc (); - if (thread_local == TLS_OUT_OF_INDEXES) - p11_debug ("couldn't setup tls"); - else - p11_message_storage = thread_local_message; -} - -void -p11_library_thread_cleanup (void) -{ - p11_local *local; - if (thread_local != TLS_OUT_OF_INDEXES) { - p11_debug ("thread stopped, freeing tls"); - local = TlsGetValue (thread_local); - LocalFree (local); - } -} - -void -p11_library_uninit (void) -{ - LPVOID data; - - uninit_common (); - - if (thread_local != TLS_OUT_OF_INDEXES) { - p11_message_storage = dont_store_message; - data = TlsGetValue (thread_local); - LocalFree (data); - TlsFree (thread_local); - } - p11_mutex_uninit (&p11_library_mutex); -} - -#endif /* OS_WIN32 */ |