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[Mammoth] Move ipc calls to separate folder mammoth.

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This commit is contained in:
Drew Galbraith 2023-11-22 13:41:14 -08:00
parent 19e394ae7b
commit ad5b55bf37
19 changed files with 21 additions and 27 deletions
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46
lib/mammoth/ipc/port_server.cpp Normal file
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@ -0,0 +1,46 @@
#include "ipc/port_server.h"
#include <zcall.h>
glcr::ErrorOr<PortServer> PortServer::Create() {
z_cap_t port;
RET_ERR(ZPortCreate(&port));
return PortServer(port);
}
PortServer PortServer::AdoptCap(z_cap_t cap) { return PortServer(cap); }
PortServer::PortServer(z_cap_t port_cap) : port_cap_(port_cap) {}
glcr::ErrorOr<PortClient> PortServer::CreateClient() {
z_cap_t new_port;
RET_ERR(ZCapDuplicate(port_cap_, ~(kZionPerm_Read), &new_port));
return PortClient::AdoptPort(new_port);
}
glcr::ErrorCode PortServer::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;
}
glcr::ErrorCode PortServer::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;
}