6161265948

Committed 12 Sep 2023 03:40PM CUT coverage: 91.718% (+0.01%) from 91.707%

Build # 6161265948

Build Type

Pull #3680

github

Committed by

web-flow

Commit Message

Merge 4ced86735 into e097bd9c4

Pull Request Pull Request #3680: Kuznyechik block cipher

Run Details

78770 of 85883 relevant lines covered (91.72%)

8458517.81 hits per line

Source File
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71.43

/src/lib/utils/thread_utils/semaphore.cpp

/*
* Semaphore
* (C) 2013 Joel Low
*
* Botan is released under the Simplified BSD License (see license.txt)
*/

#include <botan/internal/semaphore.h>

// Based on code by Pierre Gaston (http://p9as.blogspot.com/2012/06/c11-semaphores.html)

namespace Botan {

void Semaphore::release(size_t n) {
   for(size_t i = 0; i != n; ++i) {
      std::lock_guard<std::mutex> lock(m_mutex);

      if(m_value++ < 0) {
         ++m_wakeups;
         m_cond.notify_one();
      }
   }
}

void Semaphore::acquire() {
   std::unique_lock<std::mutex> lock(m_mutex);
   if(m_value-- <= 0) {
      m_cond.wait(lock, [this] { return m_wakeups > 0; });
      --m_wakeups;
   }
}

}  // namespace Botan

1	/*
2	* Semaphore
3	* (C) 2013 Joel Low
4	*
5	* Botan is released under the Simplified BSD License (see license.txt)
6	*/
7
8	#include <botan/internal/semaphore.h>
9
10	// Based on code by Pierre Gaston (http://p9as.blogspot.com/2012/06/c11-semaphores.html)
11
12	namespace Botan {
13
14	void Semaphore::release(size_t n) {	922✔
15	for(size_t i = 0; i != n; ++i) {	5,526✔
16	std::lock_guard<std::mutex> lock(m_mutex);	4,604✔
17
18	if(m_value++ < 0) {	4,604✔
19	++m_wakeups;	×
20	m_cond.notify_one();	×
21	}
22	}	4,604✔
23	}	922✔
24
25	void Semaphore::acquire() {	4,604✔
26	std::unique_lock<std::mutex> lock(m_mutex);	4,604✔
27	if(m_value-- <= 0) {	4,604✔
28	m_cond.wait(lock, [this] { return m_wakeups > 0; });	×
29	--m_wakeups;	×
30	}
31	}	4,604✔
32
33	} // namespace Botan

randombit / botan / 6161265948

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