X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu.c;h=5fb4db8229eb2f8c4ac4893d9684d1401ed6e42b;hp=39486296c19036561d7862748274223513172545;hb=bd252a04bbbb163aa4d8864b1e1e5a3a4d9d0892;hpb=4d0d66bb795d1ed938e11a97a4e5f71326e20c71 diff --git a/urcu.c b/urcu.c index 3948629..5fb4db8 100644 --- a/urcu.c +++ b/urcu.c @@ -40,6 +40,7 @@ #include "urcu/map/urcu.h" #include "urcu/static/urcu.h" #include "urcu-pointer.h" +#include "urcu/tls-compat.h" /* Do not #define _LGPL_SOURCE to ensure we can emit the wrapper symbols */ #undef _LGPL_SOURCE @@ -94,11 +95,11 @@ unsigned long rcu_gp_ctr = RCU_GP_COUNT; * Written to only by each individual reader. Read by both the reader and the * writers. */ -struct rcu_reader __thread rcu_reader; +DEFINE_URCU_TLS(struct rcu_reader, rcu_reader); #ifdef DEBUG_YIELD unsigned int yield_active; -unsigned int __thread rand_yield; +DEFINE_URCU_TLS(unsigned int, rand_yield); #endif static CDS_LIST_HEAD(registry); @@ -120,9 +121,9 @@ static void mutex_lock(pthread_mutex_t *mutex) perror("Error in pthread mutex lock"); exit(-1); } - if (CMM_LOAD_SHARED(rcu_reader.need_mb)) { + if (CMM_LOAD_SHARED(URCU_TLS(rcu_reader).need_mb)) { cmm_smp_mb(); - _CMM_STORE_SHARED(rcu_reader.need_mb, 0); + _CMM_STORE_SHARED(URCU_TLS(rcu_reader).need_mb, 0); cmm_smp_mb(); } poll(NULL,0,10); @@ -245,7 +246,7 @@ void update_counter_and_wait(void) cmm_smp_mb(); /* - * Wait for each thread rcu_reader.ctr count to become 0. + * Wait for each thread URCU_TLS(rcu_reader).ctr count to become 0. */ for (;;) { wait_loops++; @@ -277,7 +278,8 @@ void update_counter_and_wait(void) #else /* #ifndef HAS_INCOHERENT_CACHES */ /* * BUSY-LOOP. Force the reader thread to commit its - * rcu_reader.ctr update to memory if we wait for too long. + * URCU_TLS(rcu_reader).ctr update to memory if we wait + * for too long. */ if (cds_list_empty(®istry)) { if (wait_loops == RCU_QS_ACTIVE_ATTEMPTS) { @@ -328,7 +330,7 @@ void synchronize_rcu(void) * 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. + * URCU_TLS(rcu_reader).ctr before store to rcu_gp_ctr. */ cmm_barrier(); @@ -368,20 +370,20 @@ void rcu_read_unlock(void) void rcu_register_thread(void) { - rcu_reader.tid = pthread_self(); - assert(rcu_reader.need_mb == 0); - assert(!(rcu_reader.ctr & RCU_GP_CTR_NEST_MASK)); + URCU_TLS(rcu_reader).tid = pthread_self(); + assert(URCU_TLS(rcu_reader).need_mb == 0); + assert(!(URCU_TLS(rcu_reader).ctr & RCU_GP_CTR_NEST_MASK)); mutex_lock(&rcu_gp_lock); rcu_init(); /* In case gcc does not support constructor attribute */ - cds_list_add(&rcu_reader.node, ®istry); + cds_list_add(&URCU_TLS(rcu_reader).node, ®istry); mutex_unlock(&rcu_gp_lock); } void rcu_unregister_thread(void) { mutex_lock(&rcu_gp_lock); - cds_list_del(&rcu_reader.node); + cds_list_del(&URCU_TLS(rcu_reader).node); mutex_unlock(&rcu_gp_lock); } @@ -405,7 +407,7 @@ static void sigrcu_handler(int signo, siginfo_t *siginfo, void *context) * executed on. */ cmm_smp_mb(); - _CMM_STORE_SHARED(rcu_reader.need_mb, 0); + _CMM_STORE_SHARED(URCU_TLS(rcu_reader).need_mb, 0); cmm_smp_mb(); }