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Now post entire timer installation process as one function to make atomic with respect to global locks

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Former-commit-id: 53936661c88bd7eac88308afc75c510134a8e044
This commit is contained in:
VivekSainiEQ 2021-01-12 23:22:36 +00:00 committed by John Sully
parent e3eec7e37c
commit 73e8825266
1 changed files with 23 additions and 21 deletions
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18
src/module.cpp
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@ -5668,6 +5668,7 @@ RedisModuleTimerID RM_CreateTimer(RedisModuleCtx *ctx, mstime_t period, RedisMod
} }
} }
aePostFunction(g_pserver->rgthreadvar[IDX_EVENT_LOOP_MAIN].el, [period, key]{
/* We need to install the main event loop timer if it's not already /* We need to install the main event loop timer if it's not already
* installed, or we may need to refresh its period if we just installed * installed, or we may need to refresh its period if we just installed
* a timer that will expire sooner than any other else (i.e. the timer * a timer that will expire sooner than any other else (i.e. the timer
@ -5680,19 +5681,20 @@ RedisModuleTimerID RM_CreateTimer(RedisModuleCtx *ctx, mstime_t period, RedisMod
if (memcmp(ri.key,&key,sizeof(key)) == 0) { if (memcmp(ri.key,&key,sizeof(key)) == 0) {
/* This is the first key, we need to re-install the timer according /* This is the first key, we need to re-install the timer according
* to the just added event. */ * to the just added event. */
aePostFunction(g_pserver->rgthreadvar[IDX_EVENT_LOOP_MAIN].el, [period]{
aeDeleteTimeEvent(g_pserver->rgthreadvar[IDX_EVENT_LOOP_MAIN].el,aeTimer); aeDeleteTimeEvent(g_pserver->rgthreadvar[IDX_EVENT_LOOP_MAIN].el,aeTimer);
aeTimer = aeCreateTimeEvent(g_pserver->rgthreadvar[IDX_EVENT_LOOP_MAIN].el,period,moduleTimerHandler,NULL,NULL); aeTimer = -1;
});
} }
raxStop(&ri); raxStop(&ri);
} else {
/* If we have no main timer because this is the first module timer we have, install one. */
aePostFunction(g_pserver->rgthreadvar[IDX_EVENT_LOOP_MAIN].el, [period]{
aeTimer = aeCreateTimeEvent(g_pserver->rgthreadvar[IDX_EVENT_LOOP_MAIN].el,period,moduleTimerHandler,NULL,NULL);
});
} }
/* If we have no main timer (the old one was invalidated, or this is the
* first module timer we have), install one. */
if (aeTimer == -1) {
aeTimer = aeCreateTimeEvent(g_pserver->rgthreadvar[IDX_EVENT_LOOP_MAIN].el,period,moduleTimerHandler,NULL,NULL);
}
});
return key; return key;
} }