File: semaphore.h

package info (click to toggle)
c%2B%2B-annotations 13.02.02-1
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid
  • size: 13,576 kB
  • sloc: cpp: 25,297; makefile: 1,523; ansic: 165; sh: 126; perl: 90; fortran: 27
file content (22 lines) | stat: -rw-r--r-- 431 bytes parent folder | download | duplicates (2) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
 
#ifndef INCLUDED_SEMAPHORE_
#define INCLUDED_SEMAPHORE_

#include <mutex>
#include <condition_variable>

class Semaphore
{
    std::mutex d_mutex;
    std::condition_variable d_condition;
    size_t d_nAvailable;

    public:
        Semaphore(size_t nAvailable);

        void wait();      // wait # available
        void notify_all();    // notify_all # available, notify if initially 0

        size_t size() const;
};

#endif