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authorRickard Green <[email protected]>2011-04-18 16:49:55 +0200
committerRickard Green <[email protected]>2011-06-14 11:40:20 +0200
commit0204e80cba378dfc1140a7f98d96705d470bddde (patch)
tree8cc07fe1797cd75a79b9ae07905baf145f21c1a6 /erts/emulator/beam/erl_bif_ddll.c
parent7f19af0423934f85c74ccb75546e5e3a6b6d10e8 (diff)
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Use new atomic API in runtime system
All uses of the old deprecated atomic API in the runtime system have been replaced with the use of the new atomic API. In a lot of places this change imply a relaxation of memory barriers used.
Diffstat (limited to 'erts/emulator/beam/erl_bif_ddll.c')
-rw-r--r--erts/emulator/beam/erl_bif_ddll.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/erts/emulator/beam/erl_bif_ddll.c b/erts/emulator/beam/erl_bif_ddll.c
index 9631fb50db..d714eacd06 100644
--- a/erts/emulator/beam/erl_bif_ddll.c
+++ b/erts/emulator/beam/erl_bif_ddll.c
@@ -369,7 +369,7 @@ BIF_RETTYPE erl_ddll_try_load_3(Process *p, Eterm path_term,
if (!(prt->status & FREE_PORT_FLAGS) &&
prt->drv_ptr->handle == dh) {
#if DDLL_SMP
- erts_smp_atomic_inc(&prt->refc);
+ erts_smp_atomic_inc_nob(&prt->refc);
/* Extremely rare spinlock */
while(prt->status & ERTS_PORT_SFLG_INITIALIZING) {
erts_smp_port_state_unlock(prt);
@@ -597,7 +597,7 @@ done:
if (!(prt->status & FREE_PORT_FLAGS)
&& prt->drv_ptr->handle == dh) {
#if DDLL_SMP
- erts_smp_atomic_inc(&prt->refc);
+ erts_smp_atomic_inc_nob(&prt->refc);
/* Extremely rare spinlock */
while(prt->status & ERTS_PORT_SFLG_INITIALIZING) {
erts_smp_port_state_unlock(prt);
@@ -1054,7 +1054,7 @@ void erts_ddll_proc_dead(Process *p, ErtsProcLocks plocks)
if (!(prt->status & FREE_PORT_FLAGS) &&
prt->drv_ptr->handle == dh) {
#if DDLL_SMP
- erts_smp_atomic_inc(&prt->refc);
+ erts_smp_atomic_inc_nob(&prt->refc);
while(prt->status & ERTS_PORT_SFLG_INITIALIZING) {
erts_smp_port_state_unlock(prt);
erts_smp_port_state_lock(prt);
@@ -1602,7 +1602,7 @@ static int do_load_driver_entry(DE_Handle *dh, char *path, char *name)
erts_sys_ddll_close(dh->handle);
return ERL_DE_LOAD_ERROR_BAD_NAME;
}
- erts_smp_atomic_init(&(dh->refc), (erts_aint_t) 0);
+ erts_smp_atomic_init_nob(&(dh->refc), (erts_aint_t) 0);
dh->port_count = 0;
dh->full_path = erts_alloc(ERTS_ALC_T_DDLL_HANDLE, sys_strlen(path) + 1);
sys_strcpy(dh->full_path, path);