int
_pthread_rwlock_trywrlock (pthread_rwlock_t *rwlock)
{
pthread_rwlock_t prwlock;
int ret;
if (rwlock == NULL)
return(EINVAL);
prwlock = *rwlock;
/* check for static initialization */
if (prwlock == NULL) {
if ((ret = init_static(rwlock)) != 0)
return(ret);
prwlock = *rwlock;
}
/* grab the monitor lock */
if ((ret = _pthread_mutex_lock(&prwlock->lock)) != 0)
return(ret);
if (prwlock->state != 0)
ret = EBUSY;
else
/* indicate we are locked for writing */
prwlock->state = -1;
/* see the comment on this in pthread_rwlock_rdlock */
_pthread_mutex_unlock(&prwlock->lock);
return (ret);
}
/*! initialize
*/
void mrbc_init(uint8_t *ptr, unsigned int size )
{
mrbc_init_alloc(ptr, size);
init_static();
hal_init();
// TODO 関数呼び出しが、c_XXX => mrbc_XXX の daisy chain になっている。
// 不要な複雑さかもしれない。要リファクタリング。
mrbc_define_method(0, mrbc_class_object, "sleep", c_sleep);
mrbc_define_method(0, mrbc_class_object, "sleep_ms", c_sleep_ms);
mrbc_define_method(0, mrbc_class_object, "relinquish", c_relinquish);
mrbc_define_method(0, mrbc_class_object, "change_priority", c_change_priority);
mrbc_define_method(0, mrbc_class_object, "suspend_task", c_suspend_task);
mrbc_define_method(0, mrbc_class_object, "resume_task", c_resume_task);
mrbc_define_method(0, mrbc_class_object, "get_tcb", c_get_tcb);
mrbc_class *c_mutex;
c_mutex = mrbc_define_class(0, "Mutex", mrbc_class_object);
mrbc_define_method(0, c_mutex, "new", c_mutex_new);
mrbc_define_method(0, c_mutex, "lock", c_mutex_lock);
mrbc_define_method(0, c_mutex, "unlock", c_mutex_unlock);
mrbc_define_method(0, c_mutex, "try_lock", c_mutex_trylock);
mrbc_class *c_vm;
c_vm = mrbc_define_class(0, "VM", mrbc_class_object);
mrbc_define_method(0, c_vm, "tick", c_vm_tick);
}
void Game::loadRessources() {
init_static();
Character::init_static();
mapSprite.SetImage(mapImage);
mapSprite.Resize(sf::Vector2f(1024*2, 768*2));
}
HelpButton::HelpButton(wxWindow *parent, wxString const& page, wxPoint position, wxSize size)
: wxButton(parent, wxID_HELP, "", position, size)
{
Bind(wxEVT_COMMAND_BUTTON_CLICKED, std::bind(&HelpButton::OpenPage, page));
init_static();
if (pages->find(page) == pages->end())
throw agi::InternalError("Invalid help page", nullptr);
}
void HelpButton::OpenPage(wxString const& pageID) {
init_static();
wxString page = (*pages)[pageID];
wxString section;
page = page.BeforeFirst('#', §ion);
wxLaunchDefaultBrowser(wxString::Format("http://docs.aegisub.org/3.1/%s/#%s", page, section));
}
static int
rwlock_wrlock_common (pthread_rwlock_t *rwlock, const struct timespec *abstime)
{
pthread_rwlock_t prwlock;
int ret;
if (rwlock == NULL)
return(EINVAL);
prwlock = *rwlock;
/* check for static initialization */
if (prwlock == NULL) {
if ((ret = init_static(rwlock)) != 0)
return(ret);
prwlock = *rwlock;
}
/* grab the monitor lock */
if ((ret = pthread_mutex_lock(&prwlock->lock)) != 0)
return(ret);
while (prwlock->state != 0) {
prwlock->blocked_writers++;
if (abstime != NULL) {
ret = pthread_cond_timedwait(&prwlock->write_signal,
&prwlock->lock, abstime);
} else {
ret = pthread_cond_wait(&prwlock->write_signal,
&prwlock->lock);
}
if (ret != 0) {
prwlock->blocked_writers--;
pthread_mutex_unlock(&prwlock->lock);
return(ret);
}
prwlock->blocked_writers--;
}
/* indicate we are locked for writing */
prwlock->state = -1;
/* see the comment on this in pthread_rwlock_rdlock */
pthread_mutex_unlock(&prwlock->lock);
return (ret);
}
void tgen_init()
{
static bool initialized = false;
if (initialized)
return;
initialized = true;
init_noise();
rebase_data();
init_function_map();
init_static();
entry_point();
// save memory state
mem.save_heap(saved_heap);
}
int main(void)
{
struct VM *vm;
init_static();
vm = vm_open();
if( vm == NULL ){
printf("VM open Error\n");
return -1;
}
int ret = loca_mrb_array(vm, ary);
if( ret != NO_ERROR ){
printf("MRB Load Error (%04x_%04x)\n", ret>>16, ret&0xffff);
return -1;
}
int
pthread_mutex_trylock(pthread_mutex_t *mutex)
{
int ret = 0;
if (mutex == NULL)
ret = EINVAL;
/*
* If the mutex is statically initialized, perform the dynamic
* initialization:
*/
else if ((*mutex != NULL) || (ret = init_static(mutex)) == 0)
ret = mutex_trylock_common(mutex);
return (ret);
}
int
_pthread_rwlock_wrlock (pthread_rwlock_t *rwlock)
{
pthread_rwlock_t prwlock;
int ret;
if (rwlock == NULL)
return(EINVAL);
prwlock = *rwlock;
/* check for static initialization */
if (prwlock == NULL) {
if ((ret = init_static(rwlock)) != 0)
return(ret);
prwlock = *rwlock;
}
/* grab the monitor lock */
if ((ret = _pthread_mutex_lock(&prwlock->lock)) != 0)
return(ret);
while (prwlock->state != 0) {
prwlock->blocked_writers++;
ret = _pthread_cond_wait(&prwlock->write_signal,
&prwlock->lock);
if (ret != 0) {
prwlock->blocked_writers--;
_pthread_mutex_unlock(&prwlock->lock);
return(ret);
}
prwlock->blocked_writers--;
}
/* indicate we are locked for writing */
prwlock->state = -1;
/* see the comment on this in pthread_rwlock_rdlock */
_pthread_mutex_unlock(&prwlock->lock);
return (ret);
}
int
_pthread_rwlock_tryrdlock (pthread_rwlock_t *rwlock)
{
pthread_rwlock_t prwlock;
struct pthread *curthread;
int ret;
if (rwlock == NULL)
return(EINVAL);
prwlock = *rwlock;
/* check for static initialization */
if (prwlock == NULL) {
if ((ret = init_static(rwlock)) != 0)
return(ret);
prwlock = *rwlock;
}
/* grab the monitor lock */
if ((ret = _pthread_mutex_lock(&prwlock->lock)) != 0)
return(ret);
curthread = _get_curthread();
if (prwlock->state == MAX_READ_LOCKS)
ret = EAGAIN; /* too many read locks acquired */
else if ((curthread->rdlock_count > 0) && (prwlock->state > 0)) {
/* see comment for pthread_rwlock_rdlock() */
curthread->rdlock_count++;
prwlock->state++;
}
/* give writers priority over readers */
else if (prwlock->blocked_writers || prwlock->state < 0)
ret = EBUSY;
else {
prwlock->state++; /* indicate we are locked for reading */
curthread->rdlock_count++;
}
/* see the comment on this in pthread_rwlock_rdlock */
_pthread_mutex_unlock(&prwlock->lock);
return (ret);
}
int
pthread_mutex_lock(pthread_mutex_t *mutex)
{
int ret = 0;
if (_thread_initial == NULL)
_thread_init();
if (mutex == NULL)
ret = EINVAL;
/*
* If the mutex is statically initialized, perform the dynamic
* initialization. Note: _thread_mutex_lock() in libc requires
* pthread_mutex_lock() to perform the mutex init when *mutex
* is NULL.
*/
else if ((*mutex != NULL) || ((ret = init_static(mutex)) == 0))
ret = mutex_lock_common(mutex);
return (ret);
}
void mrubyc(uint8_t *mrbbuf)
{
struct VM *vm;
mrbc_init_alloc(memory_pool, MEMORY_SIZE);
init_static();
vm = mrbc_vm_open(NULL);
if( vm == 0 ) {
fprintf(stderr, "Error: Can't open VM.\n");
return;
}
if( mrbc_load_mrb(vm, mrbbuf) != 0 ) {
fprintf(stderr, "Error: Illegal bytecode.\n");
return;
}
mrbc_vm_begin(vm);
mrbc_vm_run(vm);
mrbc_vm_end(vm);
mrbc_vm_close(vm);
}
int
_pthread_mutex_trylock(pthread_mutex_t * mutex)
{
struct pthread *curthread = _get_curthread();
int ret = 0;
if (mutex == NULL)
ret = EINVAL;
/*
* If the mutex is statically initialized, perform the dynamic
* initialization:
*/
else if (*mutex != NULL || (ret = init_static(mutex)) == 0) {
/*
* Defer signals to protect the scheduling queues from
* access by the signal handler:
*/
_thread_kern_sig_defer();
/* Lock the mutex structure: */
_SPINLOCK(&(*mutex)->lock);
/*
* If the mutex was statically allocated, properly
* initialize the tail queue.
*/
if (((*mutex)->m_flags & MUTEX_FLAGS_INITED) == 0) {
TAILQ_INIT(&(*mutex)->m_queue);
_MUTEX_INIT_LINK(*mutex);
(*mutex)->m_flags |= MUTEX_FLAGS_INITED;
}
/* Process according to mutex type: */
switch ((*mutex)->m_protocol) {
/* Default POSIX mutex: */
case PTHREAD_PRIO_NONE:
/* Check if this mutex is not locked: */
if ((*mutex)->m_owner == NULL) {
/* Lock the mutex for the running thread: */
(*mutex)->m_owner = curthread;
/* Add to the list of owned mutexes: */
_MUTEX_ASSERT_NOT_OWNED(*mutex);
TAILQ_INSERT_TAIL(&curthread->mutexq,
(*mutex), m_qe);
} else if ((*mutex)->m_owner == curthread)
ret = mutex_self_trylock(*mutex);
else
/* Return a busy error: */
ret = EBUSY;
break;
/* POSIX priority inheritence mutex: */
case PTHREAD_PRIO_INHERIT:
/* Check if this mutex is not locked: */
if ((*mutex)->m_owner == NULL) {
/* Lock the mutex for the running thread: */
(*mutex)->m_owner = curthread;
/* Track number of priority mutexes owned: */
curthread->priority_mutex_count++;
/*
* The mutex takes on the attributes of the
* running thread when there are no waiters.
*/
(*mutex)->m_prio = curthread->active_priority;
(*mutex)->m_saved_prio =
curthread->inherited_priority;
/* Add to the list of owned mutexes: */
_MUTEX_ASSERT_NOT_OWNED(*mutex);
TAILQ_INSERT_TAIL(&curthread->mutexq,
(*mutex), m_qe);
} else if ((*mutex)->m_owner == curthread)
ret = mutex_self_trylock(*mutex);
else
/* Return a busy error: */
ret = EBUSY;
break;
/* POSIX priority protection mutex: */
case PTHREAD_PRIO_PROTECT:
/* Check for a priority ceiling violation: */
if (curthread->active_priority > (*mutex)->m_prio)
ret = EINVAL;
/* Check if this mutex is not locked: */
else if ((*mutex)->m_owner == NULL) {
/* Lock the mutex for the running thread: */
(*mutex)->m_owner = curthread;
/* Track number of priority mutexes owned: */
curthread->priority_mutex_count++;
/*
* The running thread inherits the ceiling
* priority of the mutex and executes at that
* priority.
*/
curthread->active_priority = (*mutex)->m_prio;
(*mutex)->m_saved_prio =
curthread->inherited_priority;
curthread->inherited_priority =
(*mutex)->m_prio;
/* Add to the list of owned mutexes: */
_MUTEX_ASSERT_NOT_OWNED(*mutex);
TAILQ_INSERT_TAIL(&curthread->mutexq,
(*mutex), m_qe);
} else if ((*mutex)->m_owner == curthread)
ret = mutex_self_trylock(*mutex);
else
/* Return a busy error: */
ret = EBUSY;
break;
/* Trap invalid mutex types: */
default:
/* Return an invalid argument error: */
ret = EINVAL;
break;
}
/* Unlock the mutex structure: */
_SPINUNLOCK(&(*mutex)->lock);
/*
* Undefer and handle pending signals, yielding if
* necessary:
*/
_thread_kern_sig_undefer();
}
/* Return the completion status: */
return (ret);
}
int
_pthread_rwlock_rdlock (pthread_rwlock_t *rwlock)
{
pthread_rwlock_t prwlock;
struct pthread *curthread;
int ret;
if (rwlock == NULL)
return(EINVAL);
prwlock = *rwlock;
/* check for static initialization */
if (prwlock == NULL) {
if ((ret = init_static(rwlock)) != 0)
return(ret);
prwlock = *rwlock;
}
/* grab the monitor lock */
if ((ret = _pthread_mutex_lock(&prwlock->lock)) != 0)
return(ret);
/* check lock count */
if (prwlock->state == MAX_READ_LOCKS) {
_pthread_mutex_unlock(&prwlock->lock);
return (EAGAIN);
}
curthread = _get_curthread();
if ((curthread->rdlock_count > 0) && (prwlock->state > 0)) {
/*
* To avoid having to track all the rdlocks held by
* a thread or all of the threads that hold a rdlock,
* we keep a simple count of all the rdlocks held by
* a thread. If a thread holds any rdlocks it is
* possible that it is attempting to take a recursive
* rdlock. If there are blocked writers and precedence
* is given to them, then that would result in the thread
* deadlocking. So allowing a thread to take the rdlock
* when it already has one or more rdlocks avoids the
* deadlock. I hope the reader can follow that logic ;-)
*/
; /* nothing needed */
} else {
/* give writers priority over readers */
while (prwlock->blocked_writers || prwlock->state < 0) {
ret = _pthread_cond_wait(&prwlock->read_signal,
&prwlock->lock);
if (ret != 0) {
/* can't do a whole lot if this fails */
_pthread_mutex_unlock(&prwlock->lock);
return(ret);
}
}
}
curthread->rdlock_count++;
prwlock->state++; /* indicate we are locked for reading */
/*
* Something is really wrong if this call fails. Returning
* error won't do because we've already obtained the read
* lock. Decrementing 'state' is no good because we probably
* don't have the monitor lock.
*/
_pthread_mutex_unlock(&prwlock->lock);
return (ret);
}
/**
* OpenVPN's main init-run-cleanup loop.
* @ingroup eventloop
*
* This function contains the two outer OpenVPN loops. Its structure is
* as follows:
* - Once-per-process initialization.
* - Outer loop, run at startup and then once per \c SIGHUP:
* - Level 1 initialization
* - Inner loop, run at startup and then once per \c SIGUSR1:
* - Call event loop function depending on client or server mode:
* - \c tunnel_point_to_point()
* - \c tunnel_server()
* - Level 1 cleanup
* - Once-per-process cleanup.
*
* @param argc - Commandline argument count.
* @param argv - Commandline argument values.
*/
int
main (int argc, char *argv[])
{
struct context c;
#if PEDANTIC
fprintf (stderr, "Sorry, I was built with --enable-pedantic and I am incapable of doing any real work!\n");
return 1;
#endif
CLEAR (c);
/* signify first time for components which can
only be initialized once per program instantiation. */
c.first_time = true;
/* initialize program-wide statics */
if (init_static ())
{
/*
* This loop is initially executed on startup and then
* once per SIGHUP.
*/
do
{
/* enter pre-initialization mode with regard to signal handling */
pre_init_signal_catch ();
/* zero context struct but leave first_time member alone */
context_clear_all_except_first_time (&c);
/* static signal info object */
CLEAR (siginfo_static);
c.sig = &siginfo_static;
/* initialize garbage collector scoped to context object */
gc_init (&c.gc);
/* initialize environmental variable store */
c.es = env_set_create (NULL);
#ifdef WIN32
env_set_add_win32 (c.es);
#endif
#ifdef ENABLE_MANAGEMENT
/* initialize management subsystem */
init_management (&c);
#endif
/* initialize options to default state */
init_options (&c.options, true);
/* parse command line options, and read configuration file */
parse_argv (&c.options, argc, argv, M_USAGE, OPT_P_DEFAULT, NULL, c.es);
#ifdef ENABLE_PLUGIN
/* plugins may contribute options configuration */
init_verb_mute (&c, IVM_LEVEL_1);
init_plugins (&c);
open_plugins (&c, true, OPENVPN_PLUGIN_INIT_PRE_CONFIG_PARSE);
#endif
/* init verbosity and mute levels */
init_verb_mute (&c, IVM_LEVEL_1);
/* set dev options */
init_options_dev (&c.options);
/* openssl print info? */
if (print_openssl_info (&c.options))
break;
/* --genkey mode? */
if (do_genkey (&c.options))
break;
/* tun/tap persist command? */
if (do_persist_tuntap (&c.options))
break;
/* sanity check on options */
options_postprocess (&c.options);
/* show all option settings */
show_settings (&c.options);
/* print version number */
msg (M_INFO, "%s", title_string);
/* misc stuff */
pre_setup (&c.options);
/* test crypto? */
if (do_test_crypto (&c.options))
break;
#ifdef ENABLE_MANAGEMENT
/* open management subsystem */
if (!open_management (&c))
break;
#endif
/* set certain options as environmental variables */
setenv_settings (c.es, &c.options);
/* finish context init */
context_init_1 (&c);
do
{
/* run tunnel depending on mode */
switch (c.options.mode)
{
case MODE_POINT_TO_POINT:
tunnel_point_to_point (&c);
break;
#if P2MP_SERVER
case MODE_SERVER:
tunnel_server (&c);
break;
#endif
default:
ASSERT (0);
}
/* indicates first iteration -- has program-wide scope */
c.first_time = false;
/* any signals received? */
if (IS_SIG (&c))
print_signal (c.sig, NULL, M_INFO);
/* pass restart status to management subsystem */
signal_restart_status (c.sig);
}
while (c.sig->signal_received == SIGUSR1);
uninit_options (&c.options);
gc_reset (&c.gc);
}
while (c.sig->signal_received == SIGHUP);
}
context_gc_free (&c);
env_set_destroy (c.es);
#ifdef ENABLE_MANAGEMENT
/* close management interface */
close_management ();
#endif
/* uninitialize program-wide statics */
uninit_static ();
openvpn_exit (OPENVPN_EXIT_STATUS_GOOD); /* exit point */
return 0; /* NOTREACHED */
}
int
_pthread_mutex_lock(pthread_mutex_t * mutex)
{
struct pthread *curthread = _get_curthread();
int ret = 0;
if (_thread_initial == NULL)
_thread_init();
if (mutex == NULL)
return (EINVAL);
/*
* If the mutex is statically initialized, perform the dynamic
* initialization:
*/
if ((*mutex == NULL) &&
((ret = init_static(mutex)) != 0))
return (ret);
/* Reset the interrupted flag: */
curthread->interrupted = 0;
/*
* Enter a loop waiting to become the mutex owner. We need a
* loop in case the waiting thread is interrupted by a signal
* to execute a signal handler. It is not (currently) possible
* to remain in the waiting queue while running a handler.
* Instead, the thread is interrupted and backed out of the
* waiting queue prior to executing the signal handler.
*/
do {
/*
* Defer signals to protect the scheduling queues from
* access by the signal handler:
*/
_thread_kern_sig_defer();
/* Lock the mutex structure: */
_SPINLOCK(&(*mutex)->lock);
/*
* If the mutex was statically allocated, properly
* initialize the tail queue.
*/
if (((*mutex)->m_flags & MUTEX_FLAGS_INITED) == 0) {
TAILQ_INIT(&(*mutex)->m_queue);
(*mutex)->m_flags |= MUTEX_FLAGS_INITED;
_MUTEX_INIT_LINK(*mutex);
}
/* Process according to mutex type: */
switch ((*mutex)->m_protocol) {
/* Default POSIX mutex: */
case PTHREAD_PRIO_NONE:
if ((*mutex)->m_owner == NULL) {
/* Lock the mutex for this thread: */
(*mutex)->m_owner = curthread;
/* Add to the list of owned mutexes: */
_MUTEX_ASSERT_NOT_OWNED(*mutex);
TAILQ_INSERT_TAIL(&curthread->mutexq,
(*mutex), m_qe);
} else if ((*mutex)->m_owner == curthread)
ret = mutex_self_lock(*mutex);
else {
/*
* Join the queue of threads waiting to lock
* the mutex:
*/
mutex_queue_enq(*mutex, curthread);
/*
* Keep a pointer to the mutex this thread
* is waiting on:
*/
curthread->data.mutex = *mutex;
/*
* Unlock the mutex structure and schedule the
* next thread:
*/
_thread_kern_sched_state_unlock(PS_MUTEX_WAIT,
&(*mutex)->lock, __FILE__, __LINE__);
/* Lock the mutex structure again: */
_SPINLOCK(&(*mutex)->lock);
}
break;
/* POSIX priority inheritence mutex: */
case PTHREAD_PRIO_INHERIT:
/* Check if this mutex is not locked: */
if ((*mutex)->m_owner == NULL) {
/* Lock the mutex for this thread: */
(*mutex)->m_owner = curthread;
/* Track number of priority mutexes owned: */
curthread->priority_mutex_count++;
/*
* The mutex takes on attributes of the
* running thread when there are no waiters.
*/
(*mutex)->m_prio = curthread->active_priority;
(*mutex)->m_saved_prio =
curthread->inherited_priority;
curthread->inherited_priority =
(*mutex)->m_prio;
/* Add to the list of owned mutexes: */
_MUTEX_ASSERT_NOT_OWNED(*mutex);
TAILQ_INSERT_TAIL(&curthread->mutexq,
(*mutex), m_qe);
} else if ((*mutex)->m_owner == curthread)
ret = mutex_self_lock(*mutex);
else {
/*
* Join the queue of threads waiting to lock
* the mutex:
*/
mutex_queue_enq(*mutex, curthread);
/*
* Keep a pointer to the mutex this thread
* is waiting on:
*/
curthread->data.mutex = *mutex;
if (curthread->active_priority >
(*mutex)->m_prio)
/* Adjust priorities: */
mutex_priority_adjust(*mutex);
/*
* Unlock the mutex structure and schedule the
* next thread:
*/
_thread_kern_sched_state_unlock(PS_MUTEX_WAIT,
&(*mutex)->lock, __FILE__, __LINE__);
/* Lock the mutex structure again: */
_SPINLOCK(&(*mutex)->lock);
}
break;
/* POSIX priority protection mutex: */
case PTHREAD_PRIO_PROTECT:
/* Check for a priority ceiling violation: */
if (curthread->active_priority > (*mutex)->m_prio)
ret = EINVAL;
/* Check if this mutex is not locked: */
else if ((*mutex)->m_owner == NULL) {
/*
* Lock the mutex for the running
* thread:
*/
(*mutex)->m_owner = curthread;
/* Track number of priority mutexes owned: */
curthread->priority_mutex_count++;
/*
* The running thread inherits the ceiling
* priority of the mutex and executes at that
* priority:
*/
curthread->active_priority = (*mutex)->m_prio;
(*mutex)->m_saved_prio =
curthread->inherited_priority;
curthread->inherited_priority =
(*mutex)->m_prio;
/* Add to the list of owned mutexes: */
_MUTEX_ASSERT_NOT_OWNED(*mutex);
TAILQ_INSERT_TAIL(&curthread->mutexq,
(*mutex), m_qe);
} else if ((*mutex)->m_owner == curthread)
ret = mutex_self_lock(*mutex);
else {
/*
* Join the queue of threads waiting to lock
* the mutex:
*/
mutex_queue_enq(*mutex, curthread);
/*
* Keep a pointer to the mutex this thread
* is waiting on:
*/
curthread->data.mutex = *mutex;
/* Clear any previous error: */
errno = 0;
/*
* Unlock the mutex structure and schedule the
* next thread:
*/
_thread_kern_sched_state_unlock(PS_MUTEX_WAIT,
&(*mutex)->lock, __FILE__, __LINE__);
/* Lock the mutex structure again: */
_SPINLOCK(&(*mutex)->lock);
/*
* The threads priority may have changed while
* waiting for the mutex causing a ceiling
* violation.
*/
ret = errno;
errno = 0;
}
break;
/* Trap invalid mutex types: */
default:
/* Return an invalid argument error: */
ret = EINVAL;
break;
}
/*
* Check to see if this thread was interrupted and
* is still in the mutex queue of waiting threads:
*/
if (curthread->interrupted != 0)
mutex_queue_remove(*mutex, curthread);
/* Unlock the mutex structure: */
_SPINUNLOCK(&(*mutex)->lock);
/*
* Undefer and handle pending signals, yielding if
* necessary:
*/
_thread_kern_sig_undefer();
} while (((*mutex)->m_owner != curthread) && (ret == 0) &&
(curthread->interrupted == 0));
if (curthread->interrupted != 0 &&
curthread->continuation != NULL)
curthread->continuation((void *) curthread);
/* Return the completion status: */
return (ret);
}