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Merge branch 'ondrej/use_ATOMIC_VAR_INIT_to_initialize_tid_base_in_isc_hp_API' into 'master'

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Use ATOMIC_VAR_INIT to initialize tid_v_base to 0

See merge request isc-projects/bind9!2660
This commit is contained in:
Ondřej Surý
2019-11-28 11:30:37 +00:00
parent 4d021be52e c5b18d3dcb
commit 1ca1dda266
1 changed files with 2 additions and 6 deletions
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8
lib/isc/hp.c
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@@ -47,6 +47,7 @@
#include <isc/atomic.h> #include <isc/atomic.h>
#include <isc/hp.h> #include <isc/hp.h>
#include <isc/once.h>
#include <isc/string.h> #include <isc/string.h>
#include <isc/mem.h> #include <isc/mem.h>
#include <isc/util.h> #include <isc/util.h>
@@ -61,8 +62,7 @@
#define TID_UNKNOWN -1 #define TID_UNKNOWN -1
static atomic_int_fast32_t tid_v_base; static atomic_int_fast32_t tid_v_base = ATOMIC_VAR_INIT(0);
static bool tid_v_initialized;
#if defined(HAVE_TLS) #if defined(HAVE_TLS)
#if defined(HAVE_THREAD_LOCAL) #if defined(HAVE_THREAD_LOCAL)
@@ -94,10 +94,6 @@ struct isc_hp {
static inline int static inline int
tid() { tid() {
if (!tid_v_initialized) {
atomic_init(&tid_v_base, 0);
tid_v_initialized = true;
}
if (tid_v == TID_UNKNOWN) { if (tid_v == TID_UNKNOWN) {
tid_v = atomic_fetch_add(&tid_v_base, 1); tid_v = atomic_fetch_add(&tid_v_base, 1);
REQUIRE(tid_v < HP_MAX_THREADS); REQUIRE(tid_v < HP_MAX_THREADS);