acadia/lib/mammoth/src/port.cpp

45 lines
1.2 KiB
C++

#include "mammoth/port.h"
#include <glacier/status/error.h>
#include <zcall.h>
#include "mammoth/debug.h"
glcr::ErrorOr<Port> Port::Create() {
z_cap_t port;
RET_ERR(ZPortCreate(&port));
return Port(port);
}
Port::Port(uint64_t port_cap) : port_cap_(port_cap) {}
glcr::ErrorCode Port::RecvCap(uint64_t *num_bytes, char *msg, uint64_t *cap) {
uint64_t caps = 1;
RET_ERR(ZPortRecv(port_cap_, num_bytes, reinterpret_cast<uint8_t *>(msg),
&caps, cap));
if (caps != 1) {
return glcr::FAILED_PRECONDITION;
}
return glcr::OK;
}
z_err_t Port::PollForIntCap(uint64_t *msg, uint64_t *cap) {
uint64_t bytes = sizeof(uint64_t);
uint64_t caps = 1;
RET_ERR(ZPortPoll(port_cap_, &bytes, reinterpret_cast<uint8_t *>(msg), &caps,
cap));
if (bytes != sizeof(uint64_t)) {
return glcr::FAILED_PRECONDITION;
}
if (caps != 1) {
return glcr::FAILED_PRECONDITION;
}
return glcr::OK;
}
glcr::ErrorCode Port::WriteString(glcr::String str, uint64_t cap) {
return ZPortSend(port_cap_, str.length() + 1, str.cstr(), 1, &cap);
}
glcr::ErrorCode Port::Duplicate(uint64_t *new_cap) {
return ZCapDuplicate(port_cap_, new_cap);
}