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Fix Windows try_lock implementation

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git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@292011 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2017-01-14 10:27:12 +00:00
parent 78463e748d
commit 30d12e372a
3 changed files with 15 additions and 14 deletions
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22
include/__threading_support
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@@ -102,7 +102,7 @@ _LIBCPP_THREAD_ABI_VISIBILITY
int __libcpp_recursive_mutex_lock(__libcpp_recursive_mutex_t *__m);
_LIBCPP_THREAD_ABI_VISIBILITY
int __libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t *__m);
bool __libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t *__m);
_LIBCPP_THREAD_ABI_VISIBILITY
int __libcpp_recursive_mutex_unlock(__libcpp_recursive_mutex_t *__m);
@@ -114,7 +114,7 @@ _LIBCPP_THREAD_ABI_VISIBILITY
int __libcpp_mutex_lock(__libcpp_mutex_t *__m);
_LIBCPP_THREAD_ABI_VISIBILITY
int __libcpp_mutex_trylock(__libcpp_mutex_t *__m);
bool __libcpp_mutex_trylock(__libcpp_mutex_t *__m);
_LIBCPP_THREAD_ABI_VISIBILITY
int __libcpp_mutex_unlock(__libcpp_mutex_t *__m);
@@ -221,9 +221,9 @@ int __libcpp_recursive_mutex_lock(__libcpp_recursive_mutex_t *__m)
return pthread_mutex_lock(__m);
}
int __libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t *__m)
bool __libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t *__m)
{
return pthread_mutex_trylock(__m);
return pthread_mutex_trylock(__m) == 0;
}
int __libcpp_recursive_mutex_unlock(__libcpp_mutex_t *__m)
@@ -241,9 +241,9 @@ int __libcpp_mutex_lock(__libcpp_mutex_t *__m)
return pthread_mutex_lock(__m);
}
int __libcpp_mutex_trylock(__libcpp_mutex_t *__m)
bool __libcpp_mutex_trylock(__libcpp_mutex_t *__m)
{
return pthread_mutex_trylock(__m);
return pthread_mutex_trylock(__m) == 0;
}
int __libcpp_mutex_unlock(__libcpp_mutex_t *__m)
@@ -371,10 +371,9 @@ int __libcpp_recursive_mutex_lock(__libcpp_recursive_mutex_t *__m)
return 0;
}
int __libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t *__m)
bool __libcpp_recursive_mutex_trylock(__libcpp_recursive_mutex_t *__m)
{
TryEnterCriticalSection(__m);
return 0;
return TryEnterCriticalSection(__m) != 0;
}
int __libcpp_recursive_mutex_unlock(__libcpp_recursive_mutex_t *__m)
@@ -395,10 +394,9 @@ int __libcpp_mutex_lock(__libcpp_mutex_t *__m)
return 0;
}
int __libcpp_mutex_trylock(__libcpp_mutex_t *__m)
bool __libcpp_mutex_trylock(__libcpp_mutex_t *__m)
{
TryAcquireSRWLockExclusive(__m);
return 0;
return TryAcquireSRWLockExclusive(__m) != 0;
}
int __libcpp_mutex_unlock(__libcpp_mutex_t *__m)