/* Define to 1 if you have the <sched.h> header file. */
#undef HAVE_SCHED_H
-/* Define to 1 if you have the `sched_yield' function. */
+/* Have sched_yield */
#undef HAVE_SCHED_YIELD
+/* Have Solaris __machine_*_barrier and atomic_* operations */
+#undef HAVE_SOLARIS_ATOMIC_OPS
+
/* Define to 1 if you have the <stdint.h> header file. */
#undef HAVE_STDINT_H
dnl GTK_DOC_CHECK([1.15],[--flavour no-tmpl])
# Functions and headers
-AC_CHECK_FUNCS(atexit mprotect sysconf getpagesize sched_yield mmap _setmode isatty)
-AC_CHECK_HEADERS(unistd.h sys/mman.h sched.h io.h)
+AC_CHECK_FUNCS(atexit mprotect sysconf getpagesize mmap _setmode isatty)
+AC_CHECK_HEADERS(unistd.h sys/mman.h io.h)
# Compiler flags
AC_CANONICAL_HOST
dnl ===========================================================================
+AC_CACHE_CHECK([for Solaris atomic operations], hb_cv_have_solaris_atomic_ops, [
+ hb_cv_have_solaris_atomic_ops=false
+ AC_TRY_LINK([
+ #include <atomic.h>
+ /* This requires Solaris Studio 12.2 or newer: */
+ #include <mbarrier.h>
+ void memory_barrier (void) { __machine_rw_barrier (); }
+ int atomic_add (volatile unsigned *i) { return atomic_add_int_nv (i, 1); }
+ void *atomic_ptr_cmpxchg (volatile void **target, void *cmp, void *newval) { return atomic_cas_ptr (target, cmp, newval); }
+ ], [], hb_cv_have_solaris_atomic_ops=true
+ )
+])
+if $hb_cv_have_solaris_atomic_ops; then
+ AC_DEFINE(HAVE_SOLARIS_ATOMIC_OPS, 1, [Have Solaris __machine_*_barrier and atomic_* operations])
+fi
+
+if test "$os_win32" = no && ! $have_pthread; then
+ AC_CHECK_HEADERS(sched.h)
+ AC_SEARCH_LIBS(sched_yield,rt,AC_DEFINE(HAVE_SCHED_YIELD, 1, [Have sched_yield]))
+fi
+
+dnl ===========================================================================
+
AC_CONFIG_FILES([
Makefile
harfbuzz.pc
#define hb_atomic_ptr_cmpexch(P,O,N) __sync_bool_compare_and_swap ((P), (O), (N))
+#elif !defined(HB_NO_MT) && defined(HAVE_SOLARIS_ATOMIC_OPS)
+
+#include <atomic.h>
+#include <mbarrier.h>
+
+typedef unsigned int fc_atomic_int_t;
+#define fc_atomic_int_add(AI, V) ( ({__machine_rw_barrier ();}), atomic_add_int_nv (&(AI), (V)) - (V))
+
+#define fc_atomic_ptr_get(P) ( ({__machine_rw_barrier ();}), (void *) *(P))
+#define fc_atomic_ptr_cmpexch(P,O,N) ( ({__machine_rw_barrier ();}), atomic_cas_ptr ((P), (O), (N)) == (void *) (O) ? FcTrue : FcFalse)
+
+
#elif !defined(HB_NO_MT)
#define HB_ATOMIC_INT_NIL 1 /* Warn that fallback implementation is in use. */