Justin C. Miller
8534d8d3c5
The endpoint object adds synchronous IPC. Also added the wait-type of 'object' to threads.
100 lines
2.2 KiB
C++
100 lines
2.2 KiB
C++
#include "j6/errors.h"
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#include "j6/types.h"
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#include "log.h"
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#include "objects/endpoint.h"
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#include "objects/process.h"
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#include "scheduler.h"
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namespace syscalls {
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j6_status_t
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endpoint_create(j6_handle_t *handle)
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{
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scheduler &s = scheduler::get();
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TCB *tcb = s.current();
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thread *parent = thread::from_tcb(tcb);
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process &p = parent->parent();
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endpoint *e = new endpoint;
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*handle = p.add_handle(e);
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return j6_status_ok;
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}
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j6_status_t
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endpoint_close(j6_handle_t handle)
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{
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scheduler &s = scheduler::get();
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TCB *tcb = s.current();
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thread *parent = thread::from_tcb(tcb);
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process &p = parent->parent();
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kobject *o = p.lookup_handle(handle);
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if (!o || o->get_type() != kobject::type::endpoint)
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return j6_err_invalid_arg;
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p.remove_handle(handle);
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endpoint *e = static_cast<endpoint*>(o);
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e->close();
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return j6_status_ok;
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}
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j6_status_t
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endpoint_send(j6_handle_t handle, size_t len, void *data)
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{
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scheduler &s = scheduler::get();
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TCB *tcb = s.current();
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thread *parent = thread::from_tcb(tcb);
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process &p = parent->parent();
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kobject *o = p.lookup_handle(handle);
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if (!o || o->get_type() != kobject::type::endpoint)
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return j6_err_invalid_arg;
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endpoint *e = static_cast<endpoint*>(o);
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j6_status_t status = e->send(len, data);
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return status;
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}
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j6_status_t
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endpoint_receive(j6_handle_t handle, size_t *len, void *data)
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{
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scheduler &s = scheduler::get();
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TCB *tcb = s.current();
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thread *parent = thread::from_tcb(tcb);
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process &p = parent->parent();
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kobject *o = p.lookup_handle(handle);
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if (!o || o->get_type() != kobject::type::endpoint)
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return j6_err_invalid_arg;
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endpoint *e = static_cast<endpoint*>(o);
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j6_status_t status = e->receive(len, data);
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return status;
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}
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j6_status_t
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endpoint_sendrecv(j6_handle_t handle, size_t *len, void *data)
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{
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scheduler &s = scheduler::get();
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TCB *tcb = s.current();
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thread *parent = thread::from_tcb(tcb);
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process &p = parent->parent();
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kobject *o = p.lookup_handle(handle);
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if (!o || o->get_type() != kobject::type::endpoint)
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return j6_err_invalid_arg;
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endpoint *e = static_cast<endpoint*>(o);
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j6_status_t status = e->send(*len, data);
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if (status != j6_status_ok)
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return status;
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status = e->receive(len, data);
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return status;
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}
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} // namespace syscalls
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