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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 /hurd
parent18c2ab9a094f6a6cb3a107d66dafaf32f8f969f0 (diff)
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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 'hurd')
-rw-r--r--hurd/hurdlock.c14
-rw-r--r--hurd/hurdlock.h38
-rw-r--r--hurd/hurdpid.c2
3 files changed, 30 insertions, 24 deletions
diff --git a/hurd/hurdlock.c b/hurd/hurdlock.c
index 59d017f..3b9974b 100644
--- a/hurd/hurdlock.c
+++ b/hurd/hurdlock.c
@@ -51,7 +51,7 @@ __lll_abstimed_wait (void *ptr, int val,
return EINVAL;
int mlsec = compute_reltime (tsp, clk);
- return mlsec < 0 ? KERN_TIMEDOUT : lll_timed_wait (ptr, val, mlsec, flags);
+ return mlsec < 0 ? KERN_TIMEDOUT : __lll_timed_wait (ptr, val, mlsec, flags);
}
int
@@ -62,7 +62,7 @@ __lll_abstimed_xwait (void *ptr, int lo, int hi,
return EINVAL;
int mlsec = compute_reltime (tsp, clk);
- return mlsec < 0 ? KERN_TIMEDOUT : lll_timed_xwait (ptr, lo, hi, mlsec,
+ return mlsec < 0 ? KERN_TIMEDOUT : __lll_timed_xwait (ptr, lo, hi, mlsec,
flags);
}
@@ -73,7 +73,7 @@ __lll_abstimed_lock (void *ptr,
if (clk != CLOCK_REALTIME)
return EINVAL;
- if (lll_trylock (ptr) == 0)
+ if (__lll_trylock (ptr) == 0)
return 0;
while (1)
@@ -84,7 +84,7 @@ __lll_abstimed_lock (void *ptr,
return EINVAL;
int mlsec = compute_reltime (tsp, clk);
- if (mlsec < 0 || lll_timed_wait (ptr, 2, mlsec, flags) == KERN_TIMEDOUT)
+ if (mlsec < 0 || __lll_timed_wait (ptr, 2, mlsec, flags) == KERN_TIMEDOUT)
return ETIMEDOUT;
}
}
@@ -140,7 +140,7 @@ __lll_robust_lock (void *ptr, int flags)
}
else
{
- lll_timed_wait (iptr, val, wait_time, flags);
+ __lll_timed_wait (iptr, val, wait_time, flags);
if (wait_time < MAX_WAIT_TIME)
wait_time <<= 1;
}
@@ -187,7 +187,7 @@ __lll_robust_abstimed_lock (void *ptr,
else if (mlsec > wait_time)
mlsec = wait_time;
- int res = lll_timed_wait (iptr, val, mlsec, flags);
+ int res = __lll_timed_wait (iptr, val, mlsec, flags);
if (res == KERN_TIMEDOUT)
return ETIMEDOUT;
else if (wait_time < MAX_WAIT_TIME)
@@ -223,7 +223,7 @@ __lll_robust_unlock (void *ptr, int flags)
{
if (val & LLL_WAITERS)
{
- lll_set_wake (ptr, 0, flags);
+ __lll_set_wake (ptr, 0, flags);
break;
}
else if (atomic_compare_exchange_weak_release ((unsigned int *)ptr, &val, 0))
diff --git a/hurd/hurdlock.h b/hurd/hurdlock.h
index 362bcf6..c1df42b 100644
--- a/hurd/hurdlock.h
+++ b/hurd/hurdlock.h
@@ -31,21 +31,21 @@ struct timespec;
/* Wait on 64-bit address PTR, without blocking if its contents
are different from the pair <LO, HI>. */
-#define lll_xwait(ptr, lo, hi, flags) \
+#define __lll_xwait(ptr, lo, hi, flags) \
__gsync_wait (__mach_task_self (), \
(vm_offset_t)ptr, lo, hi, 0, flags | GSYNC_QUAD)
-/* Same as 'lll_wait', but only block for MLSEC milliseconds. */
-#define lll_timed_wait(ptr, val, mlsec, flags) \
+/* Same as '__lll_wait', but only block for MLSEC milliseconds. */
+#define __lll_timed_wait(ptr, val, mlsec, flags) \
__gsync_wait (__mach_task_self (), \
(vm_offset_t)ptr, val, 0, mlsec, flags | GSYNC_TIMED)
-/* Same as 'lll_xwait', but only block for MLSEC milliseconds. */
-#define lll_timed_xwait(ptr, lo, hi, mlsec, flags) \
+/* Same as '__lll_xwait', but only block for MLSEC milliseconds. */
+#define __lll_timed_xwait(ptr, lo, hi, mlsec, flags) \
__gsync_wait (__mach_task_self (), (vm_offset_t)ptr, \
lo, hi, mlsec, flags | GSYNC_TIMED | GSYNC_QUAD)
-/* Same as 'lll_wait', but only block until TSP elapses,
+/* Same as '__lll_wait', but only block until TSP elapses,
using clock CLK. */
extern int __lll_abstimed_wait (void *__ptr, int __val,
const struct timespec *__tsp, int __flags, int __clk);
@@ -63,6 +63,8 @@ extern int __lll_abstimed_lock (void *__ptr,
/* Acquire the lock at PTR, but return with an error if
the process containing the owner thread dies. */
extern int __lll_robust_lock (void *__ptr, int __flags);
+#define lll_robust_lock(var, flags) \
+ __lll_robust_lock (&(var), flags)
/* Same as '__lll_robust_lock', but only block until TSP
elapses, using clock CLK. */
@@ -72,19 +74,23 @@ extern int __lll_robust_abstimed_lock (void *__ptr,
/* Same as '__lll_robust_lock', but return with an error
if the lock cannot be acquired without blocking. */
extern int __lll_robust_trylock (void *__ptr);
+#define lll_robust_trylock(var) \
+ __lll_robust_trylock (&(var))
/* Wake one or more threads waiting on address PTR,
setting its value to VAL before doing so. */
-#define lll_set_wake(ptr, val, flags) \
+#define __lll_set_wake(ptr, val, flags) \
__gsync_wake (__mach_task_self (), \
(vm_offset_t)ptr, val, flags | GSYNC_MUTATE)
/* Release the robust lock at PTR. */
extern void __lll_robust_unlock (void *__ptr, int __flags);
+#define lll_robust_unlock(var, flags) \
+ __lll_robust_unlock (&(var), flags)
/* Rearrange threads waiting on address SRC to instead wait on
DST, waking one of them if WAIT_ONE is non-zero. */
-#define lll_requeue(src, dst, wake_one, flags) \
+#define __lll_requeue(src, dst, wake_one, flags) \
__gsync_requeue (__mach_task_self (), (vm_offset_t)src, \
(vm_offset_t)dst, (boolean_t)wake_one, flags)
@@ -93,31 +99,31 @@ extern void __lll_robust_unlock (void *__ptr, int __flags);
every one of these calls, defaulting to CLOCK_REALTIME if
no argument is passed. */
-#define lll_abstimed_wait(ptr, val, tsp, flags, ...) \
+#define lll_abstimed_wait(var, val, tsp, flags, ...) \
({ \
const clockid_t __clk[] = { CLOCK_REALTIME, ##__VA_ARGS__ }; \
- __lll_abstimed_wait ((ptr), (val), (tsp), (flags), \
+ __lll_abstimed_wait (&(var), (val), (tsp), (flags), \
__clk[sizeof (__clk) / sizeof (__clk[0]) - 1]); \
})
-#define lll_abstimed_xwait(ptr, lo, hi, tsp, flags, ...) \
+#define lll_abstimed_xwait(var, lo, hi, tsp, flags, ...) \
({ \
const clockid_t __clk[] = { CLOCK_REALTIME, ##__VA_ARGS__ }; \
- __lll_abstimed_xwait ((ptr), (lo), (hi), (tsp), (flags), \
+ __lll_abstimed_xwait (&(var), (lo), (hi), (tsp), (flags), \
__clk[sizeof (__clk) / sizeof (__clk[0]) - 1]); \
})
-#define lll_abstimed_lock(ptr, tsp, flags, ...) \
+#define lll_abstimed_lock(var, tsp, flags, ...) \
({ \
const clockid_t __clk[] = { CLOCK_REALTIME, ##__VA_ARGS__ }; \
- __lll_abstimed_lock ((ptr), (tsp), (flags), \
+ __lll_abstimed_lock (&(var), (tsp), (flags), \
__clk[sizeof (__clk) / sizeof (__clk[0]) - 1]); \
})
-#define lll_robust_abstimed_lock(ptr, tsp, flags, ...) \
+#define lll_robust_abstimed_lock(var, tsp, flags, ...) \
({ \
const clockid_t __clk[] = { CLOCK_REALTIME, ##__VA_ARGS__ }; \
- __lll_robust_abstimed_lock ((ptr), (tsp), (flags), \
+ __lll_robust_abstimed_lock (&(var), (tsp), (flags), \
__clk[sizeof (__clk) / sizeof (__clk[0]) - 1]); \
})
diff --git a/hurd/hurdpid.c b/hurd/hurdpid.c
index dd8281c..5607570 100644
--- a/hurd/hurdpid.c
+++ b/hurd/hurdpid.c
@@ -66,7 +66,7 @@ _S_msg_proc_newids (mach_port_t me,
/* Notify any waiting user threads that the id change as been completed. */
++_hurd_pids_changed_stamp;
- lll_wake (&_hurd_pids_changed_stamp, GSYNC_BROADCAST);
+ lll_wake (_hurd_pids_changed_stamp, GSYNC_BROADCAST);
return 0;
}