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[libcxx] Add build/test support for the externally threaded libc++abi variant

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Differential revision: https://reviews.llvm.org/D27576

Reviewers: EricWF

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@290889 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Asiri Rathnayake
2017-01-03 12:59:50 +00:00
parent e29d9ff936
commit e262e7b914
5 changed files with 53 additions and 19 deletions
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37
include/__threading_support
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@@ -67,7 +67,11 @@ typedef pthread_mutex_t __libcpp_mutex_t;
typedef pthread_cond_t __libcpp_condvar_t;
#define _LIBCPP_CONDVAR_INITIALIZER PTHREAD_COND_INITIALIZER
// THread ID
// Execute once
typedef pthread_once_t __libcpp_exec_once_flag;
#define _LIBCPP_EXEC_ONCE_INITIALIZER PTHREAD_ONCE_INIT
// Thread id
typedef pthread_t __libcpp_thread_id;
// Thread
@@ -110,7 +114,17 @@ int __libcpp_condvar_timedwait(__libcpp_condvar_t *__cv, __libcpp_mutex_t *__m,
_LIBCPP_THREAD_ABI_VISIBILITY
int __libcpp_condvar_destroy(__libcpp_condvar_t* __cv);
// Thread ID
// Execute once
_LIBCPP_THREAD_ABI_VISIBILITY
int __libcpp_execute_once(__libcpp_exec_once_flag *flag,
void (*init_routine)(void));
// Thread id
#if defined(__APPLE__) && !defined(__arm__)
_LIBCPP_THREAD_ABI_VISIBILITY
mach_port_t __libcpp_thread_get_port();
#endif
_LIBCPP_THREAD_ABI_VISIBILITY
bool __libcpp_thread_id_equal(__libcpp_thread_id t1, __libcpp_thread_id t2);
@@ -145,7 +159,7 @@ _LIBCPP_THREAD_ABI_VISIBILITY
void *__libcpp_tls_get(__libcpp_tls_key __key);
_LIBCPP_THREAD_ABI_VISIBILITY
void __libcpp_tls_set(__libcpp_tls_key __key, void *__p);
int __libcpp_tls_set(__libcpp_tls_key __key, void *__p);
#if defined(_LIBCPP_HAS_THREAD_API_PTHREAD) || \
defined(_LIBCPP_BUILDING_THREAD_API_EXTERNAL_PTHREAD)
@@ -221,6 +235,19 @@ int __libcpp_condvar_destroy(__libcpp_condvar_t *__cv)
return pthread_cond_destroy(__cv);
}
// Execute once
int __libcpp_execute_once(__libcpp_exec_once_flag *flag,
void (*init_routine)(void)) {
return pthread_once(flag, init_routine);
}
// Thread id
#if defined(__APPLE__) && !defined(__arm__)
mach_port_t __libcpp_thread_get_port() {
return pthread_mach_thread_np(pthread_self());
}
#endif
// Returns non-zero if the thread ids are equal, otherwise 0
bool __libcpp_thread_id_equal(__libcpp_thread_id t1, __libcpp_thread_id t2)
{
@@ -276,9 +303,9 @@ void *__libcpp_tls_get(__libcpp_tls_key __key)
return pthread_getspecific(__key);
}
void __libcpp_tls_set(__libcpp_tls_key __key, void *__p)
int __libcpp_tls_set(__libcpp_tls_key __key, void *__p)
{
pthread_setspecific(__key, __p);
return pthread_setspecific(__key, __p);
}
#endif // _LIBCPP_HAS_THREAD_API_PTHREAD