aboutsummaryrefslogtreecommitdiffstats
path: root/erts/emulator/beam/erl_drv_thread.c
diff options
context:
space:
mode:
authorRickard Green <[email protected]>2011-10-30 00:23:16 +0200
committerRickard Green <[email protected]>2011-11-13 20:40:59 +0100
commit15774d2ac5ba38dba287309f91eb7e4f58b9a636 (patch)
treeff9f7f07f0d5c2b807c1614fb2f44b31f505d672 /erts/emulator/beam/erl_drv_thread.c
parentdcc7ecbf6af5420af2d5dbd0e97fc7a2e0e894a6 (diff)
downloadotp-15774d2ac5ba38dba287309f91eb7e4f58b9a636.tar.gz
otp-15774d2ac5ba38dba287309f91eb7e4f58b9a636.tar.bz2
otp-15774d2ac5ba38dba287309f91eb7e4f58b9a636.zip
Use critical sections as mutex implementation on Windows
Windows native critical sections are now used internally in the runtime system as mutex implementation. This since they perform better under extreme contention than our own implementation.
Diffstat (limited to 'erts/emulator/beam/erl_drv_thread.c')
-rw-r--r--erts/emulator/beam/erl_drv_thread.c8
1 files changed, 6 insertions, 2 deletions
diff --git a/erts/emulator/beam/erl_drv_thread.c b/erts/emulator/beam/erl_drv_thread.c
index dc578f6d2a..a49a155701 100644
--- a/erts/emulator/beam/erl_drv_thread.c
+++ b/erts/emulator/beam/erl_drv_thread.c
@@ -158,7 +158,9 @@ erl_drv_mutex_create(char *name)
(sizeof(ErlDrvMutex)
+ (name ? sys_strlen(name) + 1 : 0)));
if (dmtx) {
- if (ethr_mutex_init(&dmtx->mtx) != 0) {
+ ethr_mutex_opt opt = ETHR_MUTEX_OPT_DEFAULT_INITER;
+ opt.posix_compliant = 1;
+ if (ethr_mutex_init_opt(&dmtx->mtx, &opt) != 0) {
erts_free(ERTS_ALC_T_DRV_MTX, (void *) dmtx);
dmtx = NULL;
}
@@ -226,7 +228,9 @@ erl_drv_cond_create(char *name)
(sizeof(ErlDrvCond)
+ (name ? sys_strlen(name) + 1 : 0)));
if (dcnd) {
- if (ethr_cond_init(&dcnd->cnd) != 0) {
+ ethr_cond_opt opt = ETHR_COND_OPT_DEFAULT_INITER;
+ opt.posix_compliant = 1;
+ if (ethr_cond_init_opt(&dcnd->cnd, &opt) != 0) {
erts_free(ERTS_ALC_T_DRV_CND, (void *) dcnd);
dcnd = NULL;
}