diff options
author | Akira Kakuto <kakuto@fuk.kindai.ac.jp> | 2021-11-04 00:51:18 +0000 |
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committer | Akira Kakuto <kakuto@fuk.kindai.ac.jp> | 2021-11-04 00:51:18 +0000 |
commit | d8e6485451c14d7d04f277251b9f5a6ad7414bd6 (patch) | |
tree | be5deebf5d46cf01c9b84a59b7cf6423b60c13fb /Build/source/libs/harfbuzz/harfbuzz-src/src/hb-mutex.hh | |
parent | 2acbcbdbdcd3595121315ed3ee613c2b946f13d5 (diff) |
harfbuzz 3.1.0
git-svn-id: svn://tug.org/texlive/trunk@60943 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/libs/harfbuzz/harfbuzz-src/src/hb-mutex.hh')
-rw-r--r-- | Build/source/libs/harfbuzz/harfbuzz-src/src/hb-mutex.hh | 32 |
1 files changed, 19 insertions, 13 deletions
diff --git a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-mutex.hh b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-mutex.hh index a9227a741d8..4e135027f73 100644 --- a/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-mutex.hh +++ b/Build/source/libs/harfbuzz/harfbuzz-src/src/hb-mutex.hh @@ -47,7 +47,7 @@ /* Defined externally, i.e. in config.h; must have typedef'ed hb_mutex_impl_t as well. */ -#elif !defined(HB_NO_MT) && (defined(HAVE_PTHREAD) || defined(__APPLE__)) +#elif !defined(HB_NO_MT) && !defined(HB_MUTEX_IMPL_STD_MUTEX) && (defined(HAVE_PTHREAD) || defined(__APPLE__)) #include <pthread.h> typedef pthread_mutex_t hb_mutex_impl_t; @@ -57,7 +57,7 @@ typedef pthread_mutex_t hb_mutex_impl_t; #define hb_mutex_impl_finish(M) pthread_mutex_destroy (M) -#elif !defined(HB_NO_MT) && defined(_WIN32) +#elif !defined(HB_NO_MT) && !defined(HB_MUTEX_IMPL_STD_MUTEX) && defined(_WIN32) typedef CRITICAL_SECTION hb_mutex_impl_t; #if !WINAPI_FAMILY_PARTITION(WINAPI_PARTITION_DESKTOP) @@ -70,7 +70,17 @@ typedef CRITICAL_SECTION hb_mutex_impl_t; #define hb_mutex_impl_finish(M) DeleteCriticalSection (M) -#elif defined(HB_NO_MT) +#elif !defined(HB_NO_MT) + +#include <mutex> +typedef std::mutex hb_mutex_impl_t; +#define hb_mutex_impl_init(M) HB_STMT_START { new (M) hb_mutex_impl_t; } HB_STMT_END +#define hb_mutex_impl_lock(M) (M)->lock () +#define hb_mutex_impl_unlock(M) (M)->unlock () +#define hb_mutex_impl_finish(M) HB_STMT_START { (M)->~hb_mutex_impl_t(); } HB_STMT_END + + +#else /* defined(HB_NO_MT) */ typedef int hb_mutex_impl_t; #define hb_mutex_impl_init(M) HB_STMT_START {} HB_STMT_END @@ -79,22 +89,18 @@ typedef int hb_mutex_impl_t; #define hb_mutex_impl_finish(M) HB_STMT_START {} HB_STMT_END -#else - -#error "Could not find any system to define mutex macros." -#error "Check hb-mutex.hh for possible resolutions." - #endif struct hb_mutex_t { - hb_mutex_impl_t m; + /* Create space for, but do not initialize m. */ + alignas(hb_mutex_impl_t) char m[sizeof (hb_mutex_impl_t)]; - void init () { hb_mutex_impl_init (&m); } - void lock () { hb_mutex_impl_lock (&m); } - void unlock () { hb_mutex_impl_unlock (&m); } - void fini () { hb_mutex_impl_finish (&m); } + void init () { hb_mutex_impl_init ((hb_mutex_impl_t *) m); } + void lock () { hb_mutex_impl_lock ((hb_mutex_impl_t *) m); } + void unlock () { hb_mutex_impl_unlock ((hb_mutex_impl_t *) m); } + void fini () { hb_mutex_impl_finish ((hb_mutex_impl_t *) m); } }; struct hb_lock_t |