blob: 2419de53a5cd2c737b75cc2dea2ccd981a9f87fe (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
//===-- Generic RPC server interface --------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_LIBC_UTILS_GPU_LOADER_RPC_H
#define LLVM_LIBC_UTILS_GPU_LOADER_RPC_H
#include <cstdint>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <stddef.h>
#include "src/__support/RPC/rpc.h"
static __llvm_libc::rpc::Server server;
/// Queries the RPC client at least once and performs server-side work if there
/// are any active requests.
void handle_server() {
using namespace __llvm_libc;
// Continue servicing the client until there is no work left and we return.
for (;;) {
auto port = server.try_open();
if (!port)
return;
switch (port->get_opcode()) {
case rpc::Opcode::PRINT_TO_STDERR: {
uint64_t str_size[rpc::MAX_LANE_SIZE] = {0};
char *strs[rpc::MAX_LANE_SIZE] = {nullptr};
port->recv_n([&](uint64_t size, uint32_t id) {
str_size[id] = size;
strs[id] = new char[size];
return strs[id];
});
for (uint64_t i = 0; i < rpc::MAX_LANE_SIZE; ++i) {
if (strs[i]) {
fwrite(strs[i], str_size[i], 1, stderr);
delete[] strs[i];
}
}
break;
}
case rpc::Opcode::EXIT: {
port->recv([](rpc::Buffer *buffer) {
exit(reinterpret_cast<uint32_t *>(buffer->data)[0]);
});
break;
}
case rpc::Opcode::TEST_INCREMENT: {
port->recv_and_send([](rpc::Buffer *buffer) {
reinterpret_cast<uint64_t *>(buffer->data)[0] += 1;
});
break;
}
case rpc::Opcode::TEST_INTERFACE: {
uint64_t cnt = 0;
bool end_with_recv;
port->recv([&](rpc::Buffer *buffer) { end_with_recv = buffer->data[0]; });
port->recv([&](rpc::Buffer *buffer) { cnt = buffer->data[0]; });
port->send([&](rpc::Buffer *buffer) { buffer->data[0] = cnt = cnt + 1; });
port->recv([&](rpc::Buffer *buffer) { cnt = buffer->data[0]; });
port->send([&](rpc::Buffer *buffer) { buffer->data[0] = cnt = cnt + 1; });
port->recv([&](rpc::Buffer *buffer) { cnt = buffer->data[0]; });
port->recv([&](rpc::Buffer *buffer) { cnt = buffer->data[0]; });
port->send([&](rpc::Buffer *buffer) { buffer->data[0] = cnt = cnt + 1; });
port->send([&](rpc::Buffer *buffer) { buffer->data[0] = cnt = cnt + 1; });
if (end_with_recv)
port->recv([&](rpc::Buffer *buffer) { cnt = buffer->data[0]; });
else
port->send(
[&](rpc::Buffer *buffer) { buffer->data[0] = cnt = cnt + 1; });
break;
}
default:
port->recv([](rpc::Buffer *buffer) {});
}
port->close();
}
}
#endif
|
