blob: 676b1dbf0bcaf1d126da7490676496ff1010821e (
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
|
/* -*- Mode: c++; c-basic-offset: 2; indent-tabs-mode: nil; tab-width: 40 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef mozilla_ipc_UnixFdWatcher_h
#define mozilla_ipc_UnixFdWatcher_h
#include "base/message_loop.h"
#include "mozilla/FileUtils.h"
namespace mozilla {
namespace ipc {
class UnixFdWatcher : public MessageLoopForIO::Watcher
{
public:
enum {
READ_WATCHER = 1<<0,
WRITE_WATCHER = 1<<1
};
virtual ~UnixFdWatcher();
MessageLoop* GetIOLoop() const
{
return mIOLoop;
}
int GetFd() const
{
return mFd;
}
bool IsOpen() const
{
return GetFd() >= 0;
}
virtual void Close();
void AddWatchers(unsigned long aWatchers, bool aPersistent);
void RemoveWatchers(unsigned long aWatchers);
// Callback method that's run before closing the file descriptor
virtual void OnClose() {};
// Callback method that's run on POSIX errors
virtual void OnError(const char* aFunction, int aErrno);
protected:
UnixFdWatcher(MessageLoop* aIOLoop);
UnixFdWatcher(MessageLoop* aIOLoop, int aFd);
void SetFd(int aFd);
private:
static bool FdIsNonBlocking(int aFd);
MessageLoop* mIOLoop;
ScopedClose mFd;
MessageLoopForIO::FileDescriptorWatcher mReadWatcher;
MessageLoopForIO::FileDescriptorWatcher mWriteWatcher;
};
}
}
#endif
|
