Remove unused ConditionVariableWrapper on POSIX platforms

webrtc/system_wrappers/source/condition_variable_posix.cc

Index: webrtc/system_wrappers/source/condition_variable_posix.cc
diff --git a/webrtc/system_wrappers/source/condition_variable_posix.cc b/webrtc/system_wrappers/source/condition_variable_posix.cc
deleted file mode 100644
index c2de4e36a06b8c20fc6e5cb8dca924d3c36a7c81..0000000000000000000000000000000000000000
--- a/webrtc/system_wrappers/source/condition_variable_posix.cc
+++ /dev/null
@@ -1,127 +0,0 @@
-/*
- *  Copyright (c) 2011 The WebRTC project authors. All Rights Reserved.
- *
- *  Use of this source code is governed by a BSD-style license
- *  that can be found in the LICENSE file in the root of the source
- *  tree. An additional intellectual property rights grant can be found
- *  in the file PATENTS.  All contributing project authors may
- *  be found in the AUTHORS file in the root of the source tree.
- */
-
-#include "webrtc/system_wrappers/source/condition_variable_posix.h"
-
-#include "webrtc/system_wrappers/include/critical_section_wrapper.h"
-
-#include <errno.h>
-#if defined(WEBRTC_LINUX)
-#include <time.h>
-#else
-#include <sys/time.h>
-#endif
-
-namespace webrtc {
-
-ConditionVariableWrapper* ConditionVariablePosix::Create() {
-  ConditionVariablePosix* ptr = new ConditionVariablePosix;
-  if (!ptr) {
-    return NULL;
-  }
-
-  const int error = ptr->Construct();
-  if (error) {
-    delete ptr;
-    return NULL;
-  }
-
-  return ptr;
-}
-
-ConditionVariablePosix::ConditionVariablePosix() {
-}
-
-int ConditionVariablePosix::Construct() {
-#ifdef WEBRTC_CLOCK_TYPE_REALTIME
-  pthread_cond_init(&cond_, NULL);
-#else
-  int result = 0;
-  pthread_condattr_t cond_attr;
-  result = pthread_condattr_init(&cond_attr);
-  if (result != 0) {
-    return -1;
-  }
-  result = pthread_condattr_setclock(&cond_attr, CLOCK_MONOTONIC);
-  if (result != 0) {
-    return -1;
-  }
-  result = pthread_cond_init(&cond_, &cond_attr);
-  if (result != 0) {
-    return -1;
-  }
-  result = pthread_condattr_destroy(&cond_attr);
-  if (result != 0) {
-    return -1;
-  }
-#endif
-  return 0;
-}
-
-ConditionVariablePosix::~ConditionVariablePosix() {
-  pthread_cond_destroy(&cond_);
-}
-
-void ConditionVariablePosix::SleepCS(CriticalSectionWrapper& crit_sect) {
-  pthread_cond_wait(&cond_, &crit_sect.mutex_);
-}
-
-bool ConditionVariablePosix::SleepCS(CriticalSectionWrapper& crit_sect,
-                                     unsigned long max_time_inMS) {
-  const unsigned long INFINITE =  0xFFFFFFFF;
-  const int MILLISECONDS_PER_SECOND = 1000;
-#ifndef WEBRTC_LINUX
-  const int MICROSECONDS_PER_MILLISECOND = 1000;
-#endif
-  const int NANOSECONDS_PER_SECOND = 1000000000;
-  const int NANOSECONDS_PER_MILLISECOND  = 1000000;
-
-  if (max_time_inMS != INFINITE) {
-    timespec ts;
-#ifndef WEBRTC_MAC
-#ifdef WEBRTC_CLOCK_TYPE_REALTIME
-    clock_gettime(CLOCK_REALTIME, &ts);
-#else
-    clock_gettime(CLOCK_MONOTONIC, &ts);
-#endif
-#else  // WEBRTC_MAC
-    struct timeval tv;
-    gettimeofday(&tv, 0);
-    ts.tv_sec  = tv.tv_sec;
-    ts.tv_nsec = tv.tv_usec * MICROSECONDS_PER_MILLISECOND;
-#endif
-
-    ts.tv_sec += max_time_inMS / MILLISECONDS_PER_SECOND;
-    ts.tv_nsec +=
-        (max_time_inMS
-        - ((max_time_inMS / MILLISECONDS_PER_SECOND) * MILLISECONDS_PER_SECOND))
-        * NANOSECONDS_PER_MILLISECOND;
-
-    if (ts.tv_nsec >= NANOSECONDS_PER_SECOND) {
-      ts.tv_sec += ts.tv_nsec / NANOSECONDS_PER_SECOND;
-      ts.tv_nsec %= NANOSECONDS_PER_SECOND;
-    }
-    const int res = pthread_cond_timedwait(&cond_, &crit_sect.mutex_, &ts);
-    return (res == ETIMEDOUT) ? false : true;
-  } else {
-    pthread_cond_wait(&cond_, &crit_sect.mutex_);
-    return true;
-  }
-}
-
-void ConditionVariablePosix::Wake() {
-  pthread_cond_signal(&cond_);
-}
-
-void ConditionVariablePosix::WakeAll() {
-  pthread_cond_broadcast(&cond_);
-}
-
-}  // namespace webrtc