1 files changed, 0 insertions, 98 deletions
diff --git a/works/life/operating-system-experiment/Semaphore.cpp b/works/life/operating-system-experiment/Semaphore.cpp
deleted file mode 100644
index aceef4d..0000000
--- a/works/life/operating-system-experiment/Semaphore.cpp
+++ /dev/null
@@ -1,98 +0,0 @@
-#include "Semaphore.h"
-
-#include <cassert>
-
-#ifndef CRU_WINDOWS
-#include <errno.h>
-#endif
-
-namespace cru {
-Semaphore::Semaphore(unsigned init_value) {
-#ifdef CRU_WINDOWS
-  handle_ = CreateSemaphoreW(nullptr, init_value, 100, nullptr);
-  assert(handle_);
-#else
-  semaphore_ = std::make_unique<sem_t>();
-  auto c = sem_init(semaphore_.get(), 0, init_value);
-  assert(c == 0);
-#endif
-}
-
-Semaphore::Semaphore(Semaphore &&other)
-#ifdef CRU_WINDOWS
-    : handle_(other.handle_)
-#else
-    : semaphore_(std::move(other.semaphore_))
-#endif
-{
-#ifdef CRU_WINDOWS
-  other.handle_ = nullptr;
-#endif
-}
-
-Semaphore &Semaphore::operator=(Semaphore &&other) {
-  if (this != &other) {
-    Destroy();
-#ifdef CRU_WINDOWS
-    handle_ = other.handle_;
-    other.handle_ = nullptr;
-#else
-    semaphore_ = std::move(other.semaphore_);
-#endif
-  }
-  return *this;
-}
-
-Semaphore::~Semaphore() { Destroy(); }
-
-void Semaphore::P() { Acquire(); }
-void Semaphore::V() { Release(); }
-
-void Semaphore::Acquire() {
-#ifdef CRU_WINDOWS
-  auto c = WaitForSingleObject(handle_, INFINITE);
-  assert(c == WAIT_OBJECT_0);
-#else
-  auto c = sem_wait(semaphore_.get());
-  assert(c == 0);
-#endif
-}
-
-bool Semaphore::TryAcquire() {
-#ifdef CRU_WINDOWS
-  auto c = WaitForSingleObject(handle_, 0);
-  assert(c == WAIT_OBJECT_0 || c == WAIT_TIMEOUT);
-  return c == WAIT_OBJECT_0 ? true : false;
-#else
-  auto c = sem_trywait(semaphore_.get());
-  assert((c == 0) || (c == -1 && errno == EAGAIN));
-  return c == 0 ? true : false;
-#endif
-}
-
-void Semaphore::Release() {
-#ifdef CRU_WINDOWS
-  auto c = ReleaseSemaphore(handle_, 1, nullptr);
-  assert(c);
-#else
-  auto c = sem_post(semaphore_.get());
-  assert(c == 0);
-#endif
-}
-
-void Semaphore::Destroy() {
-#ifdef CRU_WINDOWS
-  if (handle_ != nullptr) {
-    auto c = CloseHandle(handle_);
-    assert(c);
-    handle_ = nullptr;
-  }
-#else
-  if (semaphore_ != nullptr) {
-    auto c = sem_destroy(semaphore_.get());
-    assert(c == 0);
-    semaphore_ = nullptr;
-  }
-#endif
-}
-} // namespace cru
-\ No newline at end of file