X-Git-Url: http://git.liburcu.org/?a=blobdiff_plain;f=urcu-qsbr.c;h=76aaabb4eac85fbb11aefc487bab627aa241a384;hb=f6d1a94fb64e9beeaf4558f12c157784831d9084;hp=b20d564c5f6799f3ac42d5e53fe4fc331a322cf7;hpb=bd252a04bbbb163aa4d8864b1e1e5a3a4d9d0892;p=userspace-rcu.git diff --git a/urcu-qsbr.c b/urcu-qsbr.c index b20d564..76aaabb 100644 --- a/urcu-qsbr.c +++ b/urcu-qsbr.c @@ -42,6 +42,8 @@ #include "urcu-pointer.h" #include "urcu/tls-compat.h" +#include "urcu-die.h" + /* Do not #define _LGPL_SOURCE to ensure we can emit the wrapper symbols */ #undef _LGPL_SOURCE #include "urcu-qsbr.h" @@ -67,11 +69,11 @@ unsigned long rcu_gp_ctr = RCU_GP_ONLINE; * Written to only by each individual reader. Read by both the reader and the * writers. */ -DEFINE_URCU_TLS(struct rcu_reader, rcu_reader); +__DEFINE_URCU_TLS_GLOBAL(struct rcu_reader, rcu_reader); #ifdef DEBUG_YIELD unsigned int yield_active; -DEFINE_URCU_TLS(unsigned int, rand_yield); +__DEFINE_URCU_TLS_GLOBAL(unsigned int, rand_yield); #endif static CDS_LIST_HEAD(registry); @@ -82,17 +84,12 @@ static void mutex_lock(pthread_mutex_t *mutex) #ifndef DISTRUST_SIGNALS_EXTREME ret = pthread_mutex_lock(mutex); - if (ret) { - perror("Error in pthread mutex lock"); - exit(-1); - } + if (ret) + urcu_die(ret); #else /* #ifndef DISTRUST_SIGNALS_EXTREME */ while ((ret = pthread_mutex_trylock(mutex)) != 0) { - if (ret != EBUSY && ret != EINTR) { - printf("ret = %d, errno = %d\n", ret, errno); - perror("Error in pthread mutex lock"); - exit(-1); - } + if (ret != EBUSY && ret != EINTR) + urcu_die(ret); poll(NULL,0,10); } #endif /* #else #ifndef DISTRUST_SIGNALS_EXTREME */ @@ -103,10 +100,8 @@ static void mutex_unlock(pthread_mutex_t *mutex) int ret; ret = pthread_mutex_unlock(mutex); - if (ret) { - perror("Error in pthread mutex unlock"); - exit(-1); - } + if (ret) + urcu_die(ret); } /* @@ -124,7 +119,7 @@ static void wait_gp(void) static void update_counter_and_wait(void) { CDS_LIST_HEAD(qsreaders); - int wait_loops = 0; + unsigned int wait_loops = 0; struct rcu_reader *index, *tmp; #if (CAA_BITS_PER_LONG < 64) @@ -155,7 +150,6 @@ static void update_counter_and_wait(void) * Wait for each thread rcu_reader_qs_gp count to become 0. */ for (;;) { - wait_loops++; if (wait_loops >= RCU_QS_ACTIVE_ATTEMPTS) { uatomic_set(&gp_futex, -1); /* @@ -168,6 +162,8 @@ static void update_counter_and_wait(void) } /* Write futex before read reader_gp */ cmm_smp_mb(); + } else { + wait_loops++; } cds_list_for_each_entry_safe(index, tmp, ®istry, node) { if (!rcu_gp_ongoing(&index->ctr))