X-Git-Url: http://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu-qsbr.c;h=8dcad33e3d6297111b4967846af177ea8f0fc5f8;hp=69effd5ad8b52e3be4ee263ede2cafe81816f38b;hb=5e77fc1f94c3572fca067d37667d74f8165e2434;hpb=81ad2e193e8072f8246212d7eaba72769306c2e4 diff --git a/urcu-qsbr.c b/urcu-qsbr.c index 69effd5..8dcad33 100644 --- a/urcu-qsbr.c +++ b/urcu-qsbr.c @@ -32,6 +32,8 @@ #include #include +#include "urcu-qsbr-map.h" + #define BUILD_QSBR_LIB #include "urcu-qsbr-static.h" /* Do not #define _LGPL_SOURCE to ensure we can emit the wrapper symbols */ @@ -121,10 +123,11 @@ static void update_counter_and_wait(void) #endif /* !(CAA_BITS_PER_LONG < 64) */ /* - * Must commit rcu_gp_ctr update to memory before waiting for quiescent - * state. Failure to do so could result in the writer waiting forever - * while new readers are always accessing data (no progress). Enforce - * compiler-order of store to rcu_gp_ctr before load rcu_reader ctr. + * Must commit rcu_gp_ctr update to memory before waiting for + * quiescent state. Failure to do so could result in the writer + * waiting forever while new readers are always accessing data + * (no progress). Enforce compiler-order of store to rcu_gp_ctr + * before load rcu_reader ctr. */ cmm_barrier(); @@ -194,8 +197,8 @@ void synchronize_rcu(void) /* * Mark the writer thread offline to make sure we don't wait for - * our own quiescent state. This allows using synchronize_rcu() in - * threads registered as readers. + * our own quiescent state. This allows using synchronize_rcu() + * in threads registered as readers. */ if (was_online) CMM_STORE_SHARED(rcu_reader.ctr, 0); @@ -212,10 +215,11 @@ void synchronize_rcu(void) /* * Must finish waiting for quiescent state for parity 0 before - * committing next rcu_gp_ctr update to memory. Failure to do so could - * result in the writer waiting forever while new readers are always - * accessing data (no progress). Enforce compiler-order of load - * rcu_reader ctr before store to rcu_gp_ctr. + * committing next rcu_gp_ctr update to memory. Failure to + * do so could result in the writer waiting forever while new + * readers are always accessing data (no progress). Enforce + * compiler-order of load rcu_reader ctr before store to + * rcu_gp_ctr. */ cmm_barrier(); @@ -238,7 +242,8 @@ out: * freed. */ if (was_online) - _CMM_STORE_SHARED(rcu_reader.ctr, CMM_LOAD_SHARED(rcu_gp_ctr)); + _CMM_STORE_SHARED(rcu_reader.ctr, + CMM_LOAD_SHARED(rcu_gp_ctr)); cmm_smp_mb(); } #else /* !(CAA_BITS_PER_LONG < 64) */ @@ -250,8 +255,8 @@ void synchronize_rcu(void) /* * Mark the writer thread offline to make sure we don't wait for - * our own quiescent state. This allows using synchronize_rcu() in - * threads registered as readers. + * our own quiescent state. This allows using synchronize_rcu() + * in threads registered as readers. */ cmm_smp_mb(); if (was_online) @@ -265,7 +270,8 @@ out: mutex_unlock(&rcu_gp_lock); if (was_online) - _CMM_STORE_SHARED(rcu_reader.ctr, CMM_LOAD_SHARED(rcu_gp_ctr)); + _CMM_STORE_SHARED(rcu_reader.ctr, + CMM_LOAD_SHARED(rcu_gp_ctr)); cmm_smp_mb(); } #endif /* !(CAA_BITS_PER_LONG < 64) */ @@ -326,3 +332,5 @@ void rcu_exit(void) { assert(cds_list_empty(®istry)); } + +#include "urcu-call-rcu-impl.h"