about summary refs log tree commit diff
path: root/mach
diff options
context:
space:
mode:
authorSamuel Thibault <samuel.thibault@ens-lyon.org>2020-12-13 10:37:24 +0000
committerSamuel Thibault <samuel.thibault@ens-lyon.org>2020-12-16 01:58:33 +0100
commitbec412424e949c900b01767ce32b6743bdaaac93 (patch)
treed4244ee3b644f5e8e68dfb5f22aeeb30065bca75 /mach
parent18c2ab9a094f6a6cb3a107d66dafaf32f8f969f0 (diff)
downloadglibc-bec412424e949c900b01767ce32b6743bdaaac93.tar.gz
glibc-bec412424e949c900b01767ce32b6743bdaaac93.tar.xz
glibc-bec412424e949c900b01767ce32b6743bdaaac93.zip
hurd: make lll_* take a variable instead of a ptr
To be coherent with other ports, let's make lll_* take a variable, and
rename those that keep taking a ptr into __lll_*.
Diffstat (limited to 'mach')
-rw-r--r--mach/lock-intern.h6
-rw-r--r--mach/lowlevellock.h24
2 files changed, 20 insertions, 10 deletions
diff --git a/mach/lock-intern.h b/mach/lock-intern.h
index 62faf98039..77fc4d17f8 100644
--- a/mach/lock-intern.h
+++ b/mach/lock-intern.h
@@ -57,7 +57,7 @@ extern void __spin_lock (__spin_lock_t *__lock);
 _EXTERN_INLINE void
 __spin_lock (__spin_lock_t *__lock)
 {
-  lll_lock (__lock, 0);
+  __lll_lock (__lock, 0);
 }
 #endif
 
@@ -68,7 +68,7 @@ extern void __spin_unlock (__spin_lock_t *__lock);
 _EXTERN_INLINE void
 __spin_unlock (__spin_lock_t *__lock)
 {
-  lll_unlock (__lock, 0);
+  __lll_unlock (__lock, 0);
 }
 #endif
 
@@ -79,7 +79,7 @@ extern int __spin_try_lock (__spin_lock_t *__lock);
 _EXTERN_INLINE int
 __spin_try_lock (__spin_lock_t *__lock)
 {
-  return (lll_trylock (__lock) == 0);
+  return (__lll_trylock (__lock) == 0);
 }
 #endif
 
diff --git a/mach/lowlevellock.h b/mach/lowlevellock.h
index cf67ccd589..0a22a030b4 100644
--- a/mach/lowlevellock.h
+++ b/mach/lowlevellock.h
@@ -36,16 +36,20 @@
 
 /* Wait on address PTR, without blocking if its contents
  * are different from VAL.  */
-#define lll_wait(ptr, val, flags)   \
+#define __lll_wait(ptr, val, flags)   \
   __gsync_wait (__mach_task_self (),   \
     (vm_offset_t)(ptr), (val), 0, 0, (flags))
+#define lll_wait(var, val, flags) \
+  __lll_wait (&(var), val, flags)
 
 /* Wake one or more threads waiting on address PTR.  */
-#define lll_wake(ptr, flags)   \
+#define __lll_wake(ptr, flags)   \
   __gsync_wake (__mach_task_self (), (vm_offset_t)(ptr), 0, (flags))
+#define lll_wake(var, flags) \
+  __lll_wake (&(var), flags)
 
 /* Acquire the lock at PTR.  */
-#define lll_lock(ptr, flags)   \
+#define __lll_lock(ptr, flags)   \
   ({   \
      int *__iptr = (int *)(ptr);   \
      int __flags = (flags);   \
@@ -55,27 +59,33 @@
          {   \
            if (atomic_exchange_acq (__iptr, 2) == 0)   \
              break;   \
-           lll_wait (__iptr, 2, __flags);   \
+           __lll_wait (__iptr, 2, __flags);   \
          }   \
      (void)0;   \
    })
+#define lll_lock(var, flags) \
+  __lll_lock (&(var), flags)
 
 /* Try to acquire the lock at PTR, without blocking.
    Evaluates to zero on success.  */
-#define lll_trylock(ptr)   \
+#define __lll_trylock(ptr)   \
   ({   \
      int *__iptr = (int *)(ptr);   \
      *__iptr == 0   \
        && atomic_compare_and_exchange_bool_acq (__iptr, 1, 0) == 0 ? 0 : -1;   \
    })
+#define lll_trylock(var) \
+  __lll_trylock (&(var))
 
 /* Release the lock at PTR.  */
-#define lll_unlock(ptr, flags)   \
+#define __lll_unlock(ptr, flags)   \
   ({   \
      int *__iptr = (int *)(ptr);   \
      if (atomic_exchange_rel (__iptr, 0) == 2)   \
-       lll_wake (__iptr, (flags));   \
+       __lll_wake (__iptr, (flags));   \
      (void)0;   \
    })
+#define lll_unlock(var, flags) \
+  __lll_unlock (&(var), flags)
 
 #endif