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authorRickard Green <[email protected]>2010-12-14 10:08:09 +0100
committerRickard Green <[email protected]>2010-12-15 14:59:16 +0100
commit8fd096c27180ab22ee381609ba3d9c91c4ee735b (patch)
tree1845bc402c1d0366c6aee83c6dba1806d28e9160 /erts/emulator/beam/erl_threads.h
parent72539e5d9cf819a396b3340668074558f66891f4 (diff)
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Use new atomic types in emulator
Diffstat (limited to 'erts/emulator/beam/erl_threads.h')
-rw-r--r--erts/emulator/beam/erl_threads.h118
1 files changed, 62 insertions, 56 deletions
diff --git a/erts/emulator/beam/erl_threads.h b/erts/emulator/beam/erl_threads.h
index f4a5eb68f1..f61baab039 100644
--- a/erts/emulator/beam/erl_threads.h
+++ b/erts/emulator/beam/erl_threads.h
@@ -89,6 +89,7 @@ typedef ethr_rwmutex_opt erts_rwmtx_opt_t;
typedef ethr_tsd_key erts_tsd_key_t;
typedef ethr_ts_event erts_tse_t;
+typedef ethr_sint_t erts_aint_t;
typedef ethr_atomic_t erts_atomic_t;
/* spinlock */
@@ -151,7 +152,8 @@ typedef struct {
typedef int erts_rwmtx_t;
typedef int erts_tsd_key_t;
typedef int erts_tse_t;
-typedef long erts_atomic_t;
+typedef SWord erts_aint_t;
+typedef SWord erts_atomic_t;
#if __GNUC__ > 2
typedef struct { } erts_spinlock_t;
typedef struct { } erts_rwlock_t;
@@ -168,6 +170,8 @@ typedef struct { int gcc_is_buggy; } erts_rwlock_t;
#endif /* #ifdef USE_THREADS */
+#define ERTS_AINT_T_MAX (~(((erts_aint_t) 1) << (sizeof(erts_aint_t)*8-1)))
+
ERTS_GLB_INLINE void erts_thr_init(erts_thr_init_data_t *id);
ERTS_GLB_INLINE void erts_thr_late_init(erts_thr_late_init_data_t *id);
ERTS_GLB_INLINE void erts_thr_create(erts_tid_t *tid, void * (*func)(void *),
@@ -226,33 +230,35 @@ ERTS_GLB_INLINE int erts_rwmtx_tryrwlock(erts_rwmtx_t *rwmtx);
ERTS_GLB_INLINE void erts_rwmtx_rwunlock(erts_rwmtx_t *rwmtx);
ERTS_GLB_INLINE int erts_lc_rwmtx_is_rlocked(erts_rwmtx_t *mtx);
ERTS_GLB_INLINE int erts_lc_rwmtx_is_rwlocked(erts_rwmtx_t *mtx);
-ERTS_GLB_INLINE void erts_atomic_init(erts_atomic_t *var, long i);
-ERTS_GLB_INLINE void erts_atomic_set(erts_atomic_t *var, long i);
-ERTS_GLB_INLINE long erts_atomic_read(erts_atomic_t *var);
-ERTS_GLB_INLINE long erts_atomic_inctest(erts_atomic_t *incp);
-ERTS_GLB_INLINE long erts_atomic_dectest(erts_atomic_t *decp);
+ERTS_GLB_INLINE void erts_atomic_init(erts_atomic_t *var, erts_aint_t i);
+ERTS_GLB_INLINE void erts_atomic_set(erts_atomic_t *var, erts_aint_t i);
+ERTS_GLB_INLINE erts_aint_t erts_atomic_read(erts_atomic_t *var);
+ERTS_GLB_INLINE erts_aint_t erts_atomic_inctest(erts_atomic_t *incp);
+ERTS_GLB_INLINE erts_aint_t erts_atomic_dectest(erts_atomic_t *decp);
ERTS_GLB_INLINE void erts_atomic_inc(erts_atomic_t *incp);
ERTS_GLB_INLINE void erts_atomic_dec(erts_atomic_t *decp);
-ERTS_GLB_INLINE long erts_atomic_addtest(erts_atomic_t *addp,
- long i);
-ERTS_GLB_INLINE void erts_atomic_add(erts_atomic_t *addp, long i);
-ERTS_GLB_INLINE long erts_atomic_xchg(erts_atomic_t *xchgp,
- long new);
-ERTS_GLB_INLINE long erts_atomic_cmpxchg(erts_atomic_t *xchgp,
- long new,
- long expected);
-ERTS_GLB_INLINE long erts_atomic_bor(erts_atomic_t *var, long mask);
-ERTS_GLB_INLINE long erts_atomic_band(erts_atomic_t *var, long mask);
-ERTS_GLB_INLINE long erts_atomic_read_acqb(erts_atomic_t *var);
-ERTS_GLB_INLINE void erts_atomic_set_relb(erts_atomic_t *var, long i);
+ERTS_GLB_INLINE erts_aint_t erts_atomic_addtest(erts_atomic_t *addp,
+ erts_aint_t i);
+ERTS_GLB_INLINE void erts_atomic_add(erts_atomic_t *addp, erts_aint_t i);
+ERTS_GLB_INLINE erts_aint_t erts_atomic_xchg(erts_atomic_t *xchgp,
+ erts_aint_t new);
+ERTS_GLB_INLINE erts_aint_t erts_atomic_cmpxchg(erts_atomic_t *xchgp,
+ erts_aint_t new,
+ erts_aint_t expected);
+ERTS_GLB_INLINE erts_aint_t erts_atomic_bor(erts_atomic_t *var,
+ erts_aint_t mask);
+ERTS_GLB_INLINE erts_aint_t erts_atomic_band(erts_atomic_t *var,
+ erts_aint_t mask);
+ERTS_GLB_INLINE erts_aint_t erts_atomic_read_acqb(erts_atomic_t *var);
+ERTS_GLB_INLINE void erts_atomic_set_relb(erts_atomic_t *var, erts_aint_t i);
ERTS_GLB_INLINE void erts_atomic_dec_relb(erts_atomic_t *decp);
-ERTS_GLB_INLINE long erts_atomic_dectest_relb(erts_atomic_t *decp);
-ERTS_GLB_INLINE long erts_atomic_cmpxchg_acqb(erts_atomic_t *xchgp,
- long new,
- long exp);
-ERTS_GLB_INLINE long erts_atomic_cmpxchg_relb(erts_atomic_t *xchgp,
- long new,
- long exp);
+ERTS_GLB_INLINE erts_aint_t erts_atomic_dectest_relb(erts_atomic_t *decp);
+ERTS_GLB_INLINE erts_aint_t erts_atomic_cmpxchg_acqb(erts_atomic_t *xchgp,
+ erts_aint_t new,
+ erts_aint_t exp);
+ERTS_GLB_INLINE erts_aint_t erts_atomic_cmpxchg_relb(erts_atomic_t *xchgp,
+ erts_aint_t new,
+ erts_aint_t exp);
ERTS_GLB_INLINE void erts_spinlock_init_x_opt(erts_spinlock_t *lock,
char *name,
Eterm extra,
@@ -919,7 +925,7 @@ erts_lc_rwmtx_is_rwlocked(erts_rwmtx_t *mtx)
}
ERTS_GLB_INLINE void
-erts_atomic_init(erts_atomic_t *var, long i)
+erts_atomic_init(erts_atomic_t *var, erts_aint_t i)
{
#ifdef USE_THREADS
ethr_atomic_init(var, i);
@@ -929,7 +935,7 @@ erts_atomic_init(erts_atomic_t *var, long i)
}
ERTS_GLB_INLINE void
-erts_atomic_set(erts_atomic_t *var, long i)
+erts_atomic_set(erts_atomic_t *var, erts_aint_t i)
{
#ifdef USE_THREADS
ethr_atomic_set(var, i);
@@ -938,7 +944,7 @@ erts_atomic_set(erts_atomic_t *var, long i)
#endif
}
-ERTS_GLB_INLINE long
+ERTS_GLB_INLINE erts_aint_t
erts_atomic_read(erts_atomic_t *var)
{
#ifdef USE_THREADS
@@ -948,7 +954,7 @@ erts_atomic_read(erts_atomic_t *var)
#endif
}
-ERTS_GLB_INLINE long
+ERTS_GLB_INLINE erts_aint_t
erts_atomic_inctest(erts_atomic_t *incp)
{
#ifdef USE_THREADS
@@ -958,7 +964,7 @@ erts_atomic_inctest(erts_atomic_t *incp)
#endif
}
-ERTS_GLB_INLINE long
+ERTS_GLB_INLINE erts_aint_t
erts_atomic_dectest(erts_atomic_t *decp)
{
#ifdef USE_THREADS
@@ -988,8 +994,8 @@ erts_atomic_dec(erts_atomic_t *decp)
#endif
}
-ERTS_GLB_INLINE long
-erts_atomic_addtest(erts_atomic_t *addp, long i)
+ERTS_GLB_INLINE erts_aint_t
+erts_atomic_addtest(erts_atomic_t *addp, erts_aint_t i)
{
#ifdef USE_THREADS
return ethr_atomic_add_read(addp, i);
@@ -999,7 +1005,7 @@ erts_atomic_addtest(erts_atomic_t *addp, long i)
}
ERTS_GLB_INLINE void
-erts_atomic_add(erts_atomic_t *addp, long i)
+erts_atomic_add(erts_atomic_t *addp, erts_aint_t i)
{
#ifdef USE_THREADS
ethr_atomic_add(addp, i);
@@ -1008,10 +1014,10 @@ erts_atomic_add(erts_atomic_t *addp, long i)
#endif
}
-ERTS_GLB_INLINE long
-erts_atomic_xchg(erts_atomic_t *xchgp, long new)
+ERTS_GLB_INLINE erts_aint_t
+erts_atomic_xchg(erts_atomic_t *xchgp, erts_aint_t new)
{
- long old;
+ erts_aint_t old;
#ifdef USE_THREADS
return ethr_atomic_xchg(xchgp, new);
#else
@@ -1021,46 +1027,46 @@ erts_atomic_xchg(erts_atomic_t *xchgp, long new)
return old;
}
-ERTS_GLB_INLINE long
-erts_atomic_cmpxchg(erts_atomic_t *xchgp, long new, long expected)
+ERTS_GLB_INLINE erts_aint_t
+erts_atomic_cmpxchg(erts_atomic_t *xchgp, erts_aint_t new, erts_aint_t expected)
{
#ifdef USE_THREADS
return ethr_atomic_cmpxchg(xchgp, new, expected);
#else
- long old = *xchgp;
+ erts_aint_t old = *xchgp;
if (old == expected)
*xchgp = new;
return old;
#endif
}
-ERTS_GLB_INLINE long
-erts_atomic_bor(erts_atomic_t *var, long mask)
+ERTS_GLB_INLINE erts_aint_t
+erts_atomic_bor(erts_atomic_t *var, erts_aint_t mask)
{
#ifdef USE_THREADS
return ethr_atomic_read_bor(var, mask);
#else
- long old;
+ erts_aint_t old;
old = *var;
*var |= mask;
return old;
#endif
}
-ERTS_GLB_INLINE long
-erts_atomic_band(erts_atomic_t *var, long mask)
+ERTS_GLB_INLINE erts_aint_t
+erts_atomic_band(erts_atomic_t *var, erts_aint_t mask)
{
#ifdef USE_THREADS
return ethr_atomic_read_band(var, mask);
#else
- long old;
+ erts_aint_t old;
old = *var;
*var &= mask;
return old;
#endif
}
-ERTS_GLB_INLINE long
+ERTS_GLB_INLINE erts_aint_t
erts_atomic_read_acqb(erts_atomic_t *var)
{
#ifdef USE_THREADS
@@ -1071,7 +1077,7 @@ erts_atomic_read_acqb(erts_atomic_t *var)
}
ERTS_GLB_INLINE void
-erts_atomic_set_relb(erts_atomic_t *var, long i)
+erts_atomic_set_relb(erts_atomic_t *var, erts_aint_t i)
{
#ifdef USE_THREADS
ethr_atomic_set_relb(var, i);
@@ -1090,7 +1096,7 @@ erts_atomic_dec_relb(erts_atomic_t *decp)
#endif
}
-ERTS_GLB_INLINE long
+ERTS_GLB_INLINE erts_aint_t
erts_atomic_dectest_relb(erts_atomic_t *decp)
{
#ifdef USE_THREADS
@@ -1100,28 +1106,28 @@ erts_atomic_dectest_relb(erts_atomic_t *decp)
#endif
}
-ERTS_GLB_INLINE long erts_atomic_cmpxchg_acqb(erts_atomic_t *xchgp,
- long new,
- long exp)
+ERTS_GLB_INLINE erts_aint_t erts_atomic_cmpxchg_acqb(erts_atomic_t *xchgp,
+ erts_aint_t new,
+ erts_aint_t exp)
{
#ifdef USE_THREADS
return ethr_atomic_cmpxchg_acqb(xchgp, new, exp);
#else
- long old = *xchgp;
+ erts_aint_t old = *xchgp;
if (old == exp)
*xchgp = new;
return old;
#endif
}
-ERTS_GLB_INLINE long erts_atomic_cmpxchg_relb(erts_atomic_t *xchgp,
- long new,
- long exp)
+ERTS_GLB_INLINE erts_aint_t erts_atomic_cmpxchg_relb(erts_atomic_t *xchgp,
+ erts_aint_t new,
+ erts_aint_t exp)
{
#ifdef USE_THREADS
return ethr_atomic_cmpxchg_relb(xchgp, new, exp);
#else
- long old = *xchgp;
+ erts_aint_t old = *xchgp;
if (old == exp)
*xchgp = new;
return old;