49 lines
1.2 KiB
Text
49 lines
1.2 KiB
Text
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backport of https://github.com/apple/swift-corelibs-libdispatch/pull/559
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Index: src/shims/lock.h
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--- src/shims/lock.h.orig
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+++ src/shims/lock.h
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@@ -100,6 +100,25 @@ _dispatch_lock_owner(dispatch_lock lock_value)
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return lock_value & DLOCK_OWNER_MASK;
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}
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+#elif defined(__OpenBSD__)
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+
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+typedef uint32_t dispatch_tid;
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+typedef uint32_t dispatch_lock;
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+
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+#define DLOCK_OWNER_NULL ((dispatch_tid)0)
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+#define DLOCK_OWNER_MASK ((dispatch_lock)0xfffffffc)
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+#define DLOCK_WAITERS_BIT ((dispatch_lock)0x00000001)
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+#define DLOCK_FAILED_TRYLOCK_BIT ((dispatch_lock)0x00000002)
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+
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+#define _dispatch_tid_self() ((dispatch_tid)(_dispatch_get_tsd_base()->tid))
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+
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+DISPATCH_ALWAYS_INLINE
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+static inline dispatch_tid
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+_dispatch_lock_owner(dispatch_lock lock_value)
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+{
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+ return lock_value & DLOCK_OWNER_MASK;
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+}
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+
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#else
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# error define _dispatch_lock encoding scheme for your platform here
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#endif
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@@ -167,10 +186,15 @@ _dispatch_lock_has_failed_trylock(dispatch_lock lock_v
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#endif
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#ifndef HAVE_FUTEX
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-#ifdef __linux__
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+#if defined(__linux__)
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#define HAVE_FUTEX 1
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+#define HAVE_FUTEX_PI 1
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+#elif defined(__OpenBSD__)
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+#define HAVE_FUTEX 1
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+#define HAVE_FUTEX_PI 0
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#else
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#define HAVE_FUTEX 0
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+#define HAVE_FUTEX_PI 0
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#endif
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#endif // HAVE_FUTEX
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