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Do not schedule in a single threaded environment

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This commit is contained in:
Lourens Naude 2008-10-31 15:09:33 +00:00
parent 48a61dd627
commit 4640893f27
1 changed files with 13 additions and 7 deletions
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12
ext/mysql.c
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@ -913,11 +913,10 @@ static void validate_async_query( VALUE obj )
} }
} }
static VALUE simulate_disconnect( VALUE obj ) static void simulate_disconnect( VALUE obj )
{ {
MYSQL* m = GetHandler(obj); MYSQL* m = GetHandler(obj);
mysql_library_end(); mysql_library_end();
return Qnil;
} }
static int begins_with_insensitive(char *candidate, char *check_for_in_upper_case) static int begins_with_insensitive(char *candidate, char *check_for_in_upper_case)
@ -978,6 +977,7 @@ static VALUE send_query(VALUE obj, VALUE sql)
} else { } else {
async_in_progress_set( obj, Qtrue ); async_in_progress_set( obj, Qtrue );
} }
return Qnil; return Qnil;
} }
@ -1034,6 +1034,10 @@ static void schedule_query(VALUE obj, VALUE timeout)
} }
} }
static int should_schedule_query(){
return ( ( rb_thread_main() == rb_thread_current() ) && rb_thread_alone() );
}
/* async_query(sql,timeout=nil) */ /* async_query(sql,timeout=nil) */
static VALUE async_query(int argc, VALUE* argv, VALUE obj) static VALUE async_query(int argc, VALUE* argv, VALUE obj)
{ {
@ -1046,9 +1050,11 @@ static VALUE async_query(int argc, VALUE* argv, VALUE obj)
busy(obj); busy(obj);
send_query(obj,sql); send_query( obj, sql );
if ( should_schedule_query() != 1 ){
schedule_query(obj, timeout); schedule_query(obj, timeout);
}
if (rb_block_given_p()) { if (rb_block_given_p()) {
rb_yield( get_result(obj) ); rb_yield( get_result(obj) );