ladybird/Libraries/LibThread/Thread.cpp
Andreas Kling 69ca9cfd78 LibPthread: Start working on a POSIX threading library
This patch adds pthread_create() and pthread_exit(), which currently
simply wrap our existing create_thread() and exit_thread() syscalls.

LibThread is also ported to using LibPthread.
2019-11-13 21:49:24 +01:00

43 lines
911 B
C++

#include <LibThread/Thread.h>
#include <pthread.h>
#include <unistd.h>
LibThread::Thread::Thread(Function<int()> action)
: CObject(nullptr)
, m_action(move(action))
{
}
LibThread::Thread::~Thread()
{
if (m_tid != -1) {
dbg() << "trying to destroy a running thread!";
ASSERT_NOT_REACHED();
}
}
void LibThread::Thread::start()
{
int rc = pthread_create(
&m_tid,
nullptr,
[](void* arg) -> void* {
Thread* self = static_cast<Thread*>(arg);
int exit_code = self->m_action();
self->m_tid = -1;
pthread_exit((void*)exit_code);
return (void*)exit_code;
},
static_cast<void*>(this));
ASSERT(rc == 0);
dbg() << "Started a thread, tid = " << m_tid;
}
void LibThread::Thread::quit(int code)
{
ASSERT(m_tid == gettid());
m_tid = -1;
pthread_exit((void*)code);
}