X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu-qsbr.c;h=14733ab21e1b61d10bf93ecc082967cdf9d717cd;hp=0576f4142754e14840b839be35c71e72b200938a;hb=90c1618acef5a848409867e9ff2dab7c8b859457;hpb=5f373c844a426494807d41d6fd3482649f3dc400 diff --git a/urcu-qsbr.c b/urcu-qsbr.c index 0576f41..14733ab 100644 --- a/urcu-qsbr.c +++ b/urcu-qsbr.c @@ -1,7 +1,7 @@ /* - * urcu.c + * urcu-qsbr.c * - * Userspace RCU library + * Userspace RCU QSBR library * * Copyright (c) 2009 Mathieu Desnoyers * Copyright (c) 2009 Paul E. McKenney, IBM Corporation. @@ -32,9 +32,9 @@ #include #include -#include "urcu-qsbr.h" +#include "urcu-qsbr-static.h" /* Do not #define _LGPL_SOURCE to ensure we can emit the wrapper symbols */ -//#include "urcu.h" +#include "urcu-qsbr.h" pthread_mutex_t urcu_mutex = PTHREAD_MUTEX_INITIALIZER; @@ -55,7 +55,6 @@ long __thread rcu_reader_qs_gp; struct reader_registry { pthread_t tid; long *rcu_reader_qs_gp; - char *need_mb; }; #ifdef DEBUG_YIELD @@ -64,10 +63,9 @@ unsigned int __thread rand_yield; #endif static struct reader_registry *registry; -static char __thread need_mb; static int num_readers, alloc_readers; -void internal_urcu_lock(void) +static void internal_urcu_lock(void) { int ret; @@ -84,17 +82,12 @@ void internal_urcu_lock(void) perror("Error in pthread mutex lock"); exit(-1); } - if (need_mb) { - smp_mb(); - need_mb = 0; - smp_mb(); - } poll(NULL,0,10); } #endif /* #else #ifndef DISTRUST_SIGNALS_EXTREME */ } -void internal_urcu_unlock(void) +static void internal_urcu_unlock(void) { int ret; @@ -117,7 +110,7 @@ static void force_mb_all_threads(void) smp_mb(); } -void wait_for_quiescent_state(void) +static void wait_for_quiescent_state(void) { struct reader_registry *index; @@ -200,6 +193,21 @@ void *rcu_publish_content_sym(void **p, void *v) return oldptr; } +void rcu_quiescent_state(void) +{ + _rcu_quiescent_state(); +} + +void rcu_thread_offline(void) +{ + _rcu_thread_offline(); +} + +void rcu_thread_online(void) +{ + _rcu_thread_online(); +} + static void rcu_add_reader(pthread_t id) { struct reader_registry *oldarray; @@ -222,7 +230,6 @@ static void rcu_add_reader(pthread_t id) registry[num_readers].tid = id; /* reference to the TLS of _this_ reader thread. */ registry[num_readers].rcu_reader_qs_gp = &rcu_reader_qs_gp; - registry[num_readers].need_mb = &need_mb; num_readers++; }