address issues raised

Author: frankeh

src/internal.h

@@ -228,12 +228,13 @@ DISPATCH_EXPORT DISPATCH_NOTHROW void dispatch_atfork_child(void);
 #endif
 #include <limits.h>
 #include <search.h>
-#if USE_POSIX_SEM
-#include <semaphore.h>
-#elif USE_FUTEX_SEM
+#if USE_FUTEX_SEM
 #include <sys/syscall.h>
 #include <linux/futex.h>
 #endif
+#if USE_POSIX_SEM
+#include <semaphore.h>
+#endif
 
 #include <signal.h>
 #include <stdarg.h>
@@ -246,33 +247,23 @@ DISPATCH_EXPORT DISPATCH_NOTHROW void dispatch_atfork_child(void);
 #include <unistd.h>
 #endif
 
-#if USE_POSIX_SEM
-#include <semaphore.h>
-#elif USE_FUTEX_SEM
-#include <sys/syscall.h>
-#include <linux/futex.h>
-#endif
-
 #if defined(__APPLE__)
 #if __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
 #define DISPATCH_LITTLE_ENDIAN
 #elif __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
 #define DISPATCH_BIG_ENDIAN
 #endif
-
-#elif defined(__linux__)
+#else 
 #include <endian.h>
 #if __BYTE_ORDER == __LITTLE_ENDIAN
 #define DISPATCH_LITTLE_ENDIAN
 #elif __BYTE_ORDER == __BIG_ENDIAN
 #define DISPATCH_BIG_ENDIAN
+#else
+#error "please define DISPATCH_LITTLE_ENDIAN or DISPATCH_BIG_ENDIAN for your architecture / platform"
 #endif
-
 #endif  /* defined(__APPLE__) */
 
-#if !(defined(DISPATCH_BIG_ENDIAN) || defined(DISPATCH_LITTLE_ENDIAN))
-#error "Unable to determine platform endianness."
-#endif
 
 #ifndef __has_builtin
 #define __has_builtin(x) 0

src/queue.c

@@ -880,8 +880,7 @@ _dispatch_root_queue_init_pthread_pool(dispatch_root_queue_context_t qc,
 	int ret = sem_init(&(pqc->dpq_thread_mediator.dsema_sem), 0, 0);
 	(void)dispatch_assume_zero(ret);
 #elif USE_FUTEX_SEM
-	int ret = _dispatch_futex_init(&(pqc->dpq_thread_mediator.dsema_futex));
-	(void)dispatch_assume_zero(ret);
+	pqc->dpq_thread_mediator.dsema_futex = DISPATCH_FUTEX_INIT;
 #endif
 }
 #endif // DISPATCH_USE_PTHREAD_POOL