project-base/server-skynet-source-3rd-jemalloc
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Avoid self assignment in tsd_set().

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This commit is contained in:
Jason Evans 2016-09-23 12:18:57 -07:00
parent 0222fb41d1
commit 61f467e16a
1 changed files with 8 additions and 4 deletions
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12
include/jemalloc/internal/tsd.h
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@ -226,7 +226,8 @@ a_name##tsd_set(a_type *val) \
{ \ { \
\ \
assert(a_name##tsd_booted); \ assert(a_name##tsd_booted); \
a_name##tsd_tls = (*val); \ if (likely(&a_name##tsd_tls != val)) \
a_name##tsd_tls = (*val); \
if (a_cleanup != malloc_tsd_no_cleanup) \ if (a_cleanup != malloc_tsd_no_cleanup) \
a_name##tsd_initialized = true; \ a_name##tsd_initialized = true; \
} }
@ -277,7 +278,8 @@ a_name##tsd_set(a_type *val) \
{ \ { \
\ \
assert(a_name##tsd_booted); \ assert(a_name##tsd_booted); \
a_name##tsd_tls = (*val); \ if (likely(&a_name##tsd_tls != val)) \
a_name##tsd_tls = (*val); \
if (a_cleanup != malloc_tsd_no_cleanup) { \ if (a_cleanup != malloc_tsd_no_cleanup) { \
if (pthread_setspecific(a_name##tsd_tsd, \ if (pthread_setspecific(a_name##tsd_tsd, \
(void *)(&a_name##tsd_tls))) { \ (void *)(&a_name##tsd_tls))) { \
@ -409,7 +411,8 @@ a_name##tsd_set(a_type *val) \
\ \
assert(a_name##tsd_booted); \ assert(a_name##tsd_booted); \
wrapper = a_name##tsd_wrapper_get(); \ wrapper = a_name##tsd_wrapper_get(); \
wrapper->val = *(val); \ if (likely(&wrapper->val != val)) \
wrapper->val = *(val); \
if (a_cleanup != malloc_tsd_no_cleanup) \ if (a_cleanup != malloc_tsd_no_cleanup) \
wrapper->initialized = true; \ wrapper->initialized = true; \
} }
@ -537,7 +540,8 @@ a_name##tsd_set(a_type *val) \
\ \
assert(a_name##tsd_booted); \ assert(a_name##tsd_booted); \
wrapper = a_name##tsd_wrapper_get(); \ wrapper = a_name##tsd_wrapper_get(); \
wrapper->val = *(val); \ if (likely(&wrapper->val != val)) \
wrapper->val = *(val); \
if (a_cleanup != malloc_tsd_no_cleanup) \ if (a_cleanup != malloc_tsd_no_cleanup) \
wrapper->initialized = true; \ wrapper->initialized = true; \
} }