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Add likely/unlikely to speed up execution

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Added to:
- if (error)
- Lex
- sql_yacc.yy and sql_yacc_ora.yy
- In header files to alloc() calls
- Added thd argument to thd_net_is_killed()
This commit is contained in:
Monty
2018-04-04 12:16:12 +03:00
parent a22a339f8e
commit 30ebc3ee9e
118 changed files with 4874 additions and 4440 deletions
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8
sql/sql_reload.cc
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@ -74,13 +74,13 @@ bool reload_acl_and_cache(THD *thd, unsigned long long options,
If reload_acl_and_cache() is called from SIGHUP handler we have to
allocate temporary THD for execution of acl_reload()/grant_reload().
*/
if (!thd && (thd= (tmp_thd= new THD(0))))
if (unlikely(!thd) && (thd= (tmp_thd= new THD(0))))
{
thd->thread_stack= (char*) &tmp_thd;
thd->store_globals();
}
if (thd)
if (likely(thd))
{
bool reload_acl_failed= acl_reload(thd);
bool reload_grants_failed= grant_reload(thd);
@ -98,7 +98,7 @@ bool reload_acl_and_cache(THD *thd, unsigned long long options,
}
opt_noacl= 0;
if (tmp_thd)
if (unlikely(tmp_thd))
{
delete tmp_thd;
thd= 0;
@ -123,7 +123,7 @@ bool reload_acl_and_cache(THD *thd, unsigned long long options,
}
if (options & REFRESH_ERROR_LOG)
if (flush_error_log())
if (unlikely(flush_error_log()))
{
/*
When flush_error_log() failed, my_error() has not been called.