diff -r boost//interprocess/detail/intermodule_singleton.hpp Bistro/thirdparty/boost/interprocess/detail/intermodule_singleton.hpp
668c668
<    while(1){
---
>    for (unsigned i = 0; ; ++i){
676c676
<          thread_yield();
---
>          thread_yield(i);
818c818
<          while(1){
---
>          for (unsigned i = 0; ; ++i){
825c825
<                detail::thread_yield();
---
>                detail::thread_yield(i);
diff -r boost//interprocess/detail/managed_open_or_create_impl.hpp Bistro/thirdparty/boost/interprocess/detail/managed_open_or_create_impl.hpp
333c333
<          while(!completed){
---
>          for (unsigned i = 0; !completed; ++i){
357c357
<             detail::thread_yield();
---
>             detail::thread_yield(i);
403c403
<             while(filesize == 0){
---
>             for (unsigned i = 0; filesize == 0; ++i){
407c407
<                detail::thread_yield();
---
>                detail::thread_yield(i);
419,420c419,420
<          while(value == InitializingSegment || value == UninitializedSegment){
<             detail::thread_yield();
---
>          for (unsigned i = 0; value == InitializingSegment || value == UninitializedSegment; ++i){
>             detail::thread_yield(i);
diff -r boost//interprocess/detail/os_thread_functions.hpp Bistro/thirdparty/boost/interprocess/detail/os_thread_functions.hpp
58,59c58,59
< inline void thread_yield()
< {  winapi::sched_yield();  }
---
> inline void thread_yield(unsigned _iterations)
> {  winapi::sched_yield(_iterations);  }
160c160
< inline void thread_yield()
---
> inline void thread_yield(unsigned)
diff -r boost//interprocess/detail/robust_emulation.hpp Bistro/thirdparty/boost/interprocess/detail/robust_emulation.hpp
232c232
<    while(1){
---
>    for (unsigned i = 0; ; ++i){
239c239
<          detail::thread_yield();
---
>          detail::thread_yield(i);
295c295
<    do{
---
>    for (unsigned i = 0; ; ++i){
305,306c305,306
<       detail::thread_yield();
<    }while (true);
---
>       detail::thread_yield(i);
>    }
diff -r boost//interprocess/detail/win32_api.hpp Bistro/thirdparty/boost/interprocess/detail/win32_api.hpp
13a14,17
> #if !defined(BOOST_SLEEP_DURATION_FOR_ITERATIONS)
> #define BOOST_SLEEP_DURATION_FOR_ITERATIONS(_iterations) (((_iterations) > 65535) ? 1 : 0)
> #endif
> 
912,913c916,917
< inline void sched_yield()
< {  Sleep(1);   }
---
> inline void sched_yield(unsigned _iterations)
> {  Sleep(BOOST_SLEEP_DURATION_FOR_ITERATIONS(_iterations));  }
diff -r boost//interprocess/sync/emulation/interprocess_condition.hpp Bistro/thirdparty/boost/interprocess/sync/emulation/interprocess_condition.hpp
56,57c56,57
<    while(SLEEP != detail::atomic_cas32(const_cast<boost::uint32_t*>(&m_command), command, SLEEP)){
<       detail::thread_yield();
---
>    for (unsigned i = 0; SLEEP != detail::atomic_cas32(const_cast<boost::uint32_t*>(&m_command), command, SLEEP); ++i){
>       detail::thread_yield(i);
61,62c61,62
<    while(SLEEP != detail::atomic_cas32(const_cast<boost::uint32_t*>(&m_command), 0)){
<       detail::thread_yield();
---
>    for (unsigned i = 0; SLEEP != detail::atomic_cas32(const_cast<boost::uint32_t*>(&m_command), 0); ++i){
>       detail::thread_yield(i);
124,125c124,125
<       while(detail::atomic_read32(&m_command) == SLEEP){
<          detail::thread_yield();
---
>       for (unsigned i = 0; detail::atomic_read32(&m_command) == SLEEP; ++i){
>          detail::thread_yield(i);
diff -r boost//interprocess/sync/emulation/interprocess_semaphore.hpp Bistro/thirdparty/boost/interprocess/sync/emulation/interprocess_semaphore.hpp
32,33c32,33
<       while(detail::atomic_read32(&m_count) == 0){
<          detail::thread_yield();
---
>       for(unsigned i = 0; detail::atomic_read32(&m_count) == 0; ++i){
>          detail::thread_yield(i);
54c54
<    do{
---
>    for (unsigned i = 0; ; ++i) {
64,65c64,65
<       detail::thread_yield();
<    }while (true);
---
>       detail::thread_yield(i);
>    }
diff -r boost//interprocess/sync/emulation/mutex.hpp Bistro/thirdparty/boost/interprocess/sync/emulation/mutex.hpp
63c63
<    do{
---
>    for (unsigned i = 0; ; ++i) {
70,71c70,71
<       detail::thread_yield();
<    }while (true);
---
>       detail::thread_yield(i);
>    }
91c91
<    do{
---
>    for (unsigned i = 0; ; ++i) {
101,102c101,102
<      detail::thread_yield();
<    }while (true);
---
>      detail::thread_yield(i);
>    }
diff -r boost//interprocess/sync/file_lock.hpp Bistro/thirdparty/boost/interprocess/sync/file_lock.hpp
153c153
<       do{
---
>       for (unsigned i = 0; ; ++i){
167c167
<             detail::thread_yield();
---
>             detail::thread_yield(i);
169c169
<       }while (true);
---
>       }
181c181
<       do{
---
>       for (unsigned i = 0; ; ++i){
195c195
<             detail::thread_yield();
---
>             detail::thread_yield(i);
197c197
<       }while (true);
---
> 	  }
diff -r boost//interprocess/sync/posix/interprocess_mutex.hpp Bistro/thirdparty/boost/interprocess/sync/posix/interprocess_mutex.hpp
86c86
<    do{
---
>    for (unsigned i = 0; ; ++i){
96,97c96,97
<      detail::thread_yield();
<    }while (true);
---
>      detail::thread_yield(i);
>    }
diff -r boost//interprocess/sync/posix/interprocess_recursive_mutex.hpp Bistro/thirdparty/boost/interprocess/sync/posix/interprocess_recursive_mutex.hpp
87c87
<    do{
---
>    for (unsigned i = 0; ; ++i){
97,98c97,98
<      detail::thread_yield();
<    }while (true);
---
>      detail::thread_yield(i);
>    }
diff -r boost//interprocess/sync/posix/semaphore_wrapper.hpp Bistro/thirdparty/boost/interprocess/sync/posix/semaphore_wrapper.hpp
180c180
<    while((now = microsec_clock::universal_time()) < abs_time){
---
>    for (unsigned i = 0; (now = microsec_clock::universal_time()) < abs_time; ++i){
183c183
<       thread_yield();
---
>       thread_yield(i);