56 lines
2 KiB
Diff
56 lines
2 KiB
Diff
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diff -ur a/dist/aclocal/mutex.m4 b/dist/aclocal/mutex.m4
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--- a/dist/aclocal/mutex.m4 1969-12-31 19:00:01.000000000 -0500
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+++ b/dist/aclocal/mutex.m4 2023-06-05 19:14:47.214158196 -0400
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@@ -372,10 +376,11 @@
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# _spin_lock_try/_spin_unlock: Apple/Darwin
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if test "$db_cv_mutex" = no; then
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-AC_TRY_LINK(,[
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- int x;
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- _spin_lock_try(&x);
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- _spin_unlock(&x);
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+AC_TRY_LINK([
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+#include <os/lock.h>],[
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+ os_unfair_lock x = OS_UNFAIR_LOCK_INIT;
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+ bool _ = os_unfair_lock_trylock(&x);
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+ os_unfair_lock_unlock(&x);
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], [db_cv_mutex=Darwin/_spin_lock_try])
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fi
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diff -ur a/dbinc/mutex_int.h b/dbinc/mutex_int.h
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--- a/dbinc/mutex_int.h 1969-12-31 19:00:01.000000000 -0500
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+++ b/dbinc/mutex_int.h 2023-06-05 19:15:37.510514745 -0400
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@@ -154,14 +154,13 @@
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* Apple/Darwin library functions.
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*********************************************************************/
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#ifdef HAVE_MUTEX_DARWIN_SPIN_LOCK_TRY
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-typedef u_int32_t tsl_t;
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+#include <os/lock.h>
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+typedef os_unfair_lock tsl_t;
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#ifdef LOAD_ACTUAL_MUTEX_CODE
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-extern int _spin_lock_try(tsl_t *);
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-extern void _spin_unlock(tsl_t *);
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-#define MUTEX_SET(tsl) _spin_lock_try(tsl)
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-#define MUTEX_UNSET(tsl) _spin_unlock(tsl)
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-#define MUTEX_INIT(tsl) (MUTEX_UNSET(tsl), 0)
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+#define MUTEX_SET(tsl) os_unfair_lock_trylock(tsl)
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+#define MUTEX_UNSET(tsl) os_unfair_lock_unlock(tsl)
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+#define MUTEX_INIT(tsl) ({ *(tsl) = OS_UNFAIR_LOCK_INIT; tsl; })
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#endif
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#endif
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diff -ur a/dbinc/mutex_int.h b/dbinc/mutex_int.h
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--- a/dbinc_auto/mutex_ext.h 1969-12-31 19:00:01.000000000 -0500
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+++ b/dbinc_auto/mutex_ext.h 2023-07-01 22:38:20.749201366 -0400
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@@ -34,6 +34,9 @@
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#if !defined(HAVE_ATOMIC_SUPPORT) && defined(HAVE_MUTEX_SUPPORT)
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atomic_value_t __atomic_dec __P((ENV *, db_atomic_t *));
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#endif
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+#if !defined(HAVE_ATOMIC_SUPPORT) && defined(HAVE_MUTEX_SUPPORT)
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+int atomic_compare_exchange __P((ENV *, db_atomic_t *, atomic_value_t, atomic_value_t));
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+#endif
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int __db_pthread_mutex_init __P((ENV *, db_mutex_t, u_int32_t));
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int __db_pthread_mutex_lock __P((ENV *, db_mutex_t));
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#if defined(HAVE_SHARED_LATCHES)
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