X-Git-Url: http://git.liburcu.org/?p=userspace-rcu.git;a=blobdiff_plain;f=urcu-bp.c;h=2ae3408c25fd42cc6788c6ec8664c91cf9868d87;hp=273acb88cf2d1749e57bb840bc6e78ab414ebf1d;hb=e62b2f86c5ec06ed41d33ed578e66fad426ff215;hpb=bc727dc3413af8a5a53167df248a51c6ee2f5cb7 diff --git a/urcu-bp.c b/urcu-bp.c index 273acb8..2ae3408 100644 --- a/urcu-bp.c +++ b/urcu-bp.c @@ -24,6 +24,7 @@ */ #define _GNU_SOURCE +#define _LGPL_SOURCE #include #include #include @@ -35,11 +36,14 @@ #include #include +#include "urcu/wfqueue.h" #include "urcu/map/urcu-bp.h" - #include "urcu/static/urcu-bp.h" + /* Do not #define _LGPL_SOURCE to ensure we can emit the wrapper symbols */ +#undef _LGPL_SOURCE #include "urcu-bp.h" +#define _LGPL_SOURCE #ifndef MAP_ANONYMOUS #define MAP_ANONYMOUS MAP_ANON @@ -78,6 +82,11 @@ void *mremap(void *old_address, size_t old_size, size_t new_size, int flags) #define RCU_SLEEP_DELAY 1000 #define ARENA_INIT_ALLOC 16 +/* + * Active attempts to check for reader Q.S. before calling sleep(). + */ +#define RCU_QS_ACTIVE_ATTEMPTS 100 + void __attribute__((destructor)) rcu_bp_exit(void); static pthread_mutex_t rcu_gp_lock = PTHREAD_MUTEX_INITIALIZER; @@ -364,9 +373,10 @@ end: assert(!ret); } -void rcu_bp_exit() +void rcu_bp_exit(void) { - munmap(registry_arena.p, registry_arena.len); + if (registry_arena.p) + munmap(registry_arena.p, registry_arena.len); } /*