historical/toontown-classic.git/panda/include/threadPosixImpl.I
2024-01-16 11:20:27 -06:00

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/**
* PANDA 3D SOFTWARE
* Copyright (c) Carnegie Mellon University. All rights reserved.
*
* All use of this software is subject to the terms of the revised BSD
* license. You should have received a copy of this license along
* with this source code in a file named "LICENSE."
*
* @file threadPosixImpl.I
* @author drose
* @date 2006-02-09
*/
/**
*
*/
INLINE ThreadPosixImpl::
ThreadPosixImpl(Thread *parent_obj) :
_parent_obj(parent_obj)
{
_joinable = false;
_detached = false;
_status = S_new;
#ifdef ANDROID
_jni_env = nullptr;
#endif
}
/**
*
*/
INLINE void ThreadPosixImpl::
preempt() {
}
/**
*
*/
INLINE void ThreadPosixImpl::
prepare_for_exit() {
}
/**
*
*/
INLINE Thread *ThreadPosixImpl::
get_current_thread() {
TAU_PROFILE("Thread *ThreadPosixImpl::get_current_thread()", " ", TAU_USER);
if (!_got_pt_ptr_index) {
init_pt_ptr_index();
}
return (Thread *)pthread_getspecific(_pt_ptr_index);
}
/**
* Associates the indicated Thread object with the currently-executing thread.
* You should not call this directly; use Thread::bind_thread() instead.
*/
INLINE void ThreadPosixImpl::
bind_thread(Thread *thread) {
if (!_got_pt_ptr_index) {
init_pt_ptr_index();
}
int result = pthread_setspecific(_pt_ptr_index, thread);
nassertv(result == 0);
#ifdef ANDROID
bind_java_thread();
#endif
}
/**
*
*/
INLINE bool ThreadPosixImpl::
is_threading_supported() {
return true;
}
/**
*
*/
INLINE bool ThreadPosixImpl::
is_true_threads() {
return true;
}
/**
*
*/
INLINE bool ThreadPosixImpl::
is_simple_threads() {
return false;
}
/**
*
*/
INLINE void ThreadPosixImpl::
sleep(double seconds) {
TAU_PROFILE("void ThreadPosixImpl::sleep(double)", " ", TAU_USER);
struct timespec rqtp;
rqtp.tv_sec = time_t(seconds);
rqtp.tv_nsec = long((seconds - (double)rqtp.tv_sec) * 1000000000.0);
nanosleep(&rqtp, nullptr);
}
/**
*
*/
INLINE void ThreadPosixImpl::
yield() {
sleep(0.0);
}
/**
*
*/
INLINE void ThreadPosixImpl::
consider_yield() {
}
#ifdef ANDROID
/**
* Returns the JNIEnv object for the current thread.
*/
INLINE JNIEnv *ThreadPosixImpl::
get_jni_env() const {
return _jni_env;
}
#endif