diff options
| author | Agustina Arzille <avarzille@riseup.net> | 2017-04-03 16:09:51 +0200 |
|---|---|---|
| committer | Richard Braun <rbraun@sceen.net> | 2017-04-04 22:07:06 +0200 |
| commit | b1730c99f882fc2662c6b64371a4b11a8231bb9f (patch) | |
| tree | c4fa5fa51287aee6d6cb372f1cfa8f6413ababd6 /kern/thread.c | |
| parent | d5bb14cf6a8305bda2a5a73ce727e5309996a20a (diff) | |
Use the new atomic operations interface
Stick to a sequentially consistent model for most atomic operations as it
matches the semantics of the existing code. Each call site will have to be
reevaluated in order to switch to more relaxed accesses where possible.
Diffstat (limited to 'kern/thread.c')
| -rw-r--r-- | kern/thread.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/kern/thread.c b/kern/thread.c index 4d8ce74a..8a87acaa 100644 --- a/kern/thread.c +++ b/kern/thread.c @@ -86,6 +86,7 @@ #include <string.h> #include <kern/assert.h> +#include <kern/atomic.h> #include <kern/condition.h> #include <kern/cpumap.h> #include <kern/error.h> @@ -107,7 +108,6 @@ #include <kern/thread.h> #include <kern/turnstile.h> #include <kern/work.h> -#include <machine/atomic.h> #include <machine/cpu.h> #include <machine/mb.h> #include <machine/pmap.h> @@ -2723,7 +2723,7 @@ thread_key_create(unsigned int *keyp, thread_dtor_fn_t dtor) { unsigned int key; - key = atomic_fetchadd_uint(&thread_nr_keys, 1); + key = atomic_fetch_add(&thread_nr_keys, 1, ATOMIC_SEQ_CST); if (key >= THREAD_KEYS_MAX) { panic("thread: maximum number of keys exceeded"); |