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
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#ifndef QT_NO_NATIVE_POLL
#define QT_NO_NATIVE_POLL
#endif
#include <QTest>
#include <QtNetwork>
#include <private/qcore_unix_p.h>
QT_BEGIN_NAMESPACE
// defined in qpoll.cpp
int qt_poll(struct pollfd *fds, nfds_t nfds, const struct timespec *timeout_ts);
QT_END_NAMESPACE
class tst_qt_poll : public QObject
{
Q_OBJECT
private slots:
void pollout();
void pollin();
void pollnval();
void pollprihup();
};
void tst_qt_poll::pollout()
{
int fds[2];
QCOMPARE(pipe(fds), 0);
struct pollfd pfd = { fds[1], POLLOUT, 0 };
const int nready = qt_poll(&pfd, 1, NULL);
QCOMPARE(nready, 1);
QCOMPARE(pfd.revents, short(POLLOUT));
qt_safe_close(fds[0]);
qt_safe_close(fds[1]);
}
void tst_qt_poll::pollin()
{
int fds[2];
QCOMPARE(pipe(fds), 0);
const char data = 'Q';
QCOMPARE(qt_safe_write(fds[1], &data, 1), 1);
struct pollfd pfd = { fds[0], POLLIN, 0 };
const int nready = qt_poll(&pfd, 1, NULL);
QCOMPARE(nready, 1);
QCOMPARE(pfd.revents, short(POLLIN));
qt_safe_close(fds[0]);
qt_safe_close(fds[1]);
}
void tst_qt_poll::pollnval()
{
struct pollfd pfd = { 42, POLLOUT, 0 };
int nready = qt_poll(&pfd, 1, NULL);
QCOMPARE(nready, 1);
QCOMPARE(pfd.revents, short(POLLNVAL));
pfd.events = 0;
pfd.revents = 0;
nready = qt_poll(&pfd, 1, NULL);
QCOMPARE(nready, 1);
QCOMPARE(pfd.revents, short(POLLNVAL));
}
void tst_qt_poll::pollprihup()
{
QTcpServer server;
QTcpSocket client_socket;
QVERIFY(server.listen(QHostAddress::LocalHost));
const quint16 server_port = server.serverPort();
client_socket.connectToHost(server.serverAddress(), server_port);
QVERIFY(client_socket.waitForConnected());
QVERIFY(server.waitForNewConnection());
QTcpSocket *server_socket = server.nextPendingConnection();
server.close();
// TCP supports only a single byte of urgent data
static const char oob_out = 'Q';
QCOMPARE(::send(server_socket->socketDescriptor(), &oob_out, 1, MSG_OOB),
ssize_t(1));
struct pollfd pfd = {
int(client_socket.socketDescriptor()),
POLLPRI | POLLIN,
0
};
int res = qt_poll(&pfd, 1, NULL);
QCOMPARE(res, 1);
QCOMPARE(pfd.revents, short(POLLPRI | POLLIN));
char oob_in = 0;
// We do not specify MSG_OOB here as SO_OOBINLINE is turned on by default
// in the native socket engine
QCOMPARE(::recv(client_socket.socketDescriptor(), &oob_in, 1, 0),
ssize_t(1));
QCOMPARE(oob_in, oob_out);
server_socket->close();
pfd.events = POLLIN;
res = qt_poll(&pfd, 1, NULL);
QCOMPARE(res, 1);
QCOMPARE(pfd.revents, short(POLLHUP));
}
QTEST_APPLESS_MAIN(tst_qt_poll)
#include "tst_qt_poll.moc"
|
