******************************************************************************/
/*
- * Copyright (C) 2000 - 2005, R. Byron Moore
+ * Copyright (C) 2000 - 2006, R. Byron Moore
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* POSSIBILITY OF SUCH DAMAGES.
*/
-
#include <acpi/acpi.h>
#define _COMPONENT ACPI_UTILITIES
- ACPI_MODULE_NAME ("utmutex")
+ACPI_MODULE_NAME("utmutex")
/* Local prototypes */
+static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id);
-static acpi_status
-acpi_ut_create_mutex (
- acpi_mutex_handle mutex_id);
-
-static acpi_status
-acpi_ut_delete_mutex (
- acpi_mutex_handle mutex_id);
-
+static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id);
/*******************************************************************************
*
*
******************************************************************************/
-acpi_status
-acpi_ut_mutex_initialize (
- void)
+acpi_status acpi_ut_mutex_initialize(void)
{
- u32 i;
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE ("ut_mutex_initialize");
+ u32 i;
+ acpi_status status;
+ ACPI_FUNCTION_TRACE("ut_mutex_initialize");
/*
* Create each of the predefined mutex objects
*/
for (i = 0; i < NUM_MUTEX; i++) {
- status = acpi_ut_create_mutex (i);
- if (ACPI_FAILURE (status)) {
- return_ACPI_STATUS (status);
+ status = acpi_ut_create_mutex(i);
+ if (ACPI_FAILURE(status)) {
+ return_ACPI_STATUS(status);
}
}
- status = acpi_os_create_lock (&acpi_gbl_gpe_lock);
- return_ACPI_STATUS (status);
+ status = acpi_os_create_lock(&acpi_gbl_gpe_lock);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_mutex_terminate
*
******************************************************************************/
-void
-acpi_ut_mutex_terminate (
- void)
+void acpi_ut_mutex_terminate(void)
{
- u32 i;
-
-
- ACPI_FUNCTION_TRACE ("ut_mutex_terminate");
+ u32 i;
+ ACPI_FUNCTION_TRACE("ut_mutex_terminate");
/*
* Delete each predefined mutex object
*/
for (i = 0; i < NUM_MUTEX; i++) {
- (void) acpi_ut_delete_mutex (i);
+ (void)acpi_ut_delete_mutex(i);
}
- acpi_os_delete_lock (acpi_gbl_gpe_lock);
+ acpi_os_delete_lock(acpi_gbl_gpe_lock);
return_VOID;
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_create_mutex
*
******************************************************************************/
-static acpi_status
-acpi_ut_create_mutex (
- acpi_mutex_handle mutex_id)
+static acpi_status acpi_ut_create_mutex(acpi_mutex_handle mutex_id)
{
- acpi_status status = AE_OK;
-
-
- ACPI_FUNCTION_TRACE_U32 ("ut_create_mutex", mutex_id);
+ acpi_status status = AE_OK;
+ ACPI_FUNCTION_TRACE_U32("ut_create_mutex", mutex_id);
if (mutex_id > MAX_MUTEX) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
if (!acpi_gbl_mutex_info[mutex_id].mutex) {
- status = acpi_os_create_semaphore (1, 1,
- &acpi_gbl_mutex_info[mutex_id].mutex);
- acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
+ status = acpi_os_create_semaphore(1, 1,
+ &acpi_gbl_mutex_info
+ [mutex_id].mutex);
+ acpi_gbl_mutex_info[mutex_id].thread_id =
+ ACPI_MUTEX_NOT_ACQUIRED;
acpi_gbl_mutex_info[mutex_id].use_count = 0;
}
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_delete_mutex
*
******************************************************************************/
-static acpi_status
-acpi_ut_delete_mutex (
- acpi_mutex_handle mutex_id)
+static acpi_status acpi_ut_delete_mutex(acpi_mutex_handle mutex_id)
{
- acpi_status status;
-
-
- ACPI_FUNCTION_TRACE_U32 ("ut_delete_mutex", mutex_id);
+ acpi_status status;
+ ACPI_FUNCTION_TRACE_U32("ut_delete_mutex", mutex_id);
if (mutex_id > MAX_MUTEX) {
- return_ACPI_STATUS (AE_BAD_PARAMETER);
+ return_ACPI_STATUS(AE_BAD_PARAMETER);
}
- status = acpi_os_delete_semaphore (acpi_gbl_mutex_info[mutex_id].mutex);
+ status = acpi_os_delete_semaphore(acpi_gbl_mutex_info[mutex_id].mutex);
acpi_gbl_mutex_info[mutex_id].mutex = NULL;
acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
- return_ACPI_STATUS (status);
+ return_ACPI_STATUS(status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_acquire_mutex
*
******************************************************************************/
-acpi_status
-acpi_ut_acquire_mutex (
- acpi_mutex_handle mutex_id)
+acpi_status acpi_ut_acquire_mutex(acpi_mutex_handle mutex_id)
{
- acpi_status status;
- u32 this_thread_id;
-
-
- ACPI_FUNCTION_NAME ("ut_acquire_mutex");
+ acpi_status status;
+ u32 this_thread_id;
+ ACPI_FUNCTION_NAME("ut_acquire_mutex");
if (mutex_id > MAX_MUTEX) {
return (AE_BAD_PARAMETER);
}
- this_thread_id = acpi_os_get_thread_id ();
+ this_thread_id = acpi_os_get_thread_id();
#ifdef ACPI_MUTEX_DEBUG
{
- u32 i;
+ u32 i;
/*
* Mutex debug code, for internal debugging only.
*
* the ACPI subsystem code.
*/
for (i = mutex_id; i < MAX_MUTEX; i++) {
- if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
+ if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) {
if (i == mutex_id) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Mutex [%s] already acquired by this thread [%X]\n",
- acpi_ut_get_mutex_name (mutex_id), this_thread_id));
+ ACPI_ERROR((AE_INFO,
+ "Mutex [%s] already acquired by this thread [%X]",
+ acpi_ut_get_mutex_name
+ (mutex_id),
+ this_thread_id));
return (AE_ALREADY_ACQUIRED);
}
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Invalid acquire order: Thread %X owns [%s], wants [%s]\n",
- this_thread_id, acpi_ut_get_mutex_name (i),
- acpi_ut_get_mutex_name (mutex_id)));
+ ACPI_ERROR((AE_INFO,
+ "Invalid acquire order: Thread %X owns [%s], wants [%s]",
+ this_thread_id,
+ acpi_ut_get_mutex_name(i),
+ acpi_ut_get_mutex_name(mutex_id)));
return (AE_ACQUIRE_DEADLOCK);
}
}
#endif
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
- "Thread %X attempting to acquire Mutex [%s]\n",
- this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
+ ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
+ "Thread %X attempting to acquire Mutex [%s]\n",
+ this_thread_id, acpi_ut_get_mutex_name(mutex_id)));
- status = acpi_os_wait_semaphore (acpi_gbl_mutex_info[mutex_id].mutex,
- 1, ACPI_WAIT_FOREVER);
- if (ACPI_SUCCESS (status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X acquired Mutex [%s]\n",
- this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
+ status = acpi_os_wait_semaphore(acpi_gbl_mutex_info[mutex_id].mutex,
+ 1, ACPI_WAIT_FOREVER);
+ if (ACPI_SUCCESS(status)) {
+ ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
+ "Thread %X acquired Mutex [%s]\n",
+ this_thread_id,
+ acpi_ut_get_mutex_name(mutex_id)));
acpi_gbl_mutex_info[mutex_id].use_count++;
acpi_gbl_mutex_info[mutex_id].thread_id = this_thread_id;
- }
- else {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Thread %X could not acquire Mutex [%s] %s\n",
- this_thread_id, acpi_ut_get_mutex_name (mutex_id),
- acpi_format_exception (status)));
+ } else {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Thread %X could not acquire Mutex [%X]",
+ this_thread_id, mutex_id));
}
return (status);
}
-
/*******************************************************************************
*
* FUNCTION: acpi_ut_release_mutex
*
******************************************************************************/
-acpi_status
-acpi_ut_release_mutex (
- acpi_mutex_handle mutex_id)
+acpi_status acpi_ut_release_mutex(acpi_mutex_handle mutex_id)
{
- acpi_status status;
- u32 this_thread_id;
-
+ acpi_status status;
+ u32 this_thread_id;
- ACPI_FUNCTION_NAME ("ut_release_mutex");
+ ACPI_FUNCTION_NAME("ut_release_mutex");
-
- this_thread_id = acpi_os_get_thread_id ();
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX,
- "Thread %X releasing Mutex [%s]\n", this_thread_id,
- acpi_ut_get_mutex_name (mutex_id)));
+ this_thread_id = acpi_os_get_thread_id();
+ ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
+ "Thread %X releasing Mutex [%s]\n", this_thread_id,
+ acpi_ut_get_mutex_name(mutex_id)));
if (mutex_id > MAX_MUTEX) {
return (AE_BAD_PARAMETER);
* Mutex must be acquired in order to release it!
*/
if (acpi_gbl_mutex_info[mutex_id].thread_id == ACPI_MUTEX_NOT_ACQUIRED) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Mutex [%s] is not acquired, cannot release\n",
- acpi_ut_get_mutex_name (mutex_id)));
+ ACPI_ERROR((AE_INFO,
+ "Mutex [%X] is not acquired, cannot release",
+ mutex_id));
return (AE_NOT_ACQUIRED);
}
-
#ifdef ACPI_MUTEX_DEBUG
{
- u32 i;
+ u32 i;
/*
* Mutex debug code, for internal debugging only.
*
* the ACPI subsystem code.
*/
for (i = mutex_id; i < MAX_MUTEX; i++) {
- if (acpi_gbl_mutex_info[i].owner_id == this_thread_id) {
+ if (acpi_gbl_mutex_info[i].thread_id == this_thread_id) {
if (i == mutex_id) {
continue;
}
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Invalid release order: owns [%s], releasing [%s]\n",
- acpi_ut_get_mutex_name (i), acpi_ut_get_mutex_name (mutex_id)));
+ ACPI_ERROR((AE_INFO,
+ "Invalid release order: owns [%s], releasing [%s]",
+ acpi_ut_get_mutex_name(i),
+ acpi_ut_get_mutex_name(mutex_id)));
return (AE_RELEASE_DEADLOCK);
}
acpi_gbl_mutex_info[mutex_id].thread_id = ACPI_MUTEX_NOT_ACQUIRED;
- status = acpi_os_signal_semaphore (acpi_gbl_mutex_info[mutex_id].mutex, 1);
-
- if (ACPI_FAILURE (status)) {
- ACPI_DEBUG_PRINT ((ACPI_DB_ERROR,
- "Thread %X could not release Mutex [%s] %s\n",
- this_thread_id, acpi_ut_get_mutex_name (mutex_id),
- acpi_format_exception (status)));
- }
- else {
- ACPI_DEBUG_PRINT ((ACPI_DB_MUTEX, "Thread %X released Mutex [%s]\n",
- this_thread_id, acpi_ut_get_mutex_name (mutex_id)));
+ status =
+ acpi_os_signal_semaphore(acpi_gbl_mutex_info[mutex_id].mutex, 1);
+
+ if (ACPI_FAILURE(status)) {
+ ACPI_EXCEPTION((AE_INFO, status,
+ "Thread %X could not release Mutex [%X]",
+ this_thread_id, mutex_id));
+ } else {
+ ACPI_DEBUG_PRINT((ACPI_DB_MUTEX,
+ "Thread %X released Mutex [%s]\n",
+ this_thread_id,
+ acpi_ut_get_mutex_name(mutex_id)));
}
return (status);
}
-
-
git.samba.org / sfrench / cifs-2.6.git / blobdiff