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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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20
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_library_end();
return Qnil;
}
static int begins_with_insensitive(char *candidate, char *check_for_in_upper_case)
@ -947,7 +946,7 @@ static int begins_with_insensitive(char *candidate, char *check_for_in_upper_cas
static VALUE send_query(VALUE obj, VALUE sql)
{
MYSQL* m = GetHandler(obj);
Check_Type(sql, T_STRING);
if (GetMysqlStruct(obj)->connection == Qfalse && async_in_progress(obj) == Qtrue ) {
@ -978,6 +977,7 @@ static VALUE send_query(VALUE obj, VALUE sql)
} else {
async_in_progress_set( obj, Qtrue );
}
return Qnil;
}
@ -1001,7 +1001,7 @@ static VALUE get_result(VALUE obj)
return obj;
if (mysql_field_count(m) == 0)
return Qnil;
return store_result(obj);
return store_result(obj);
}
static void schedule_query(VALUE obj, VALUE timeout)
@ -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) */
static VALUE async_query(int argc, VALUE* argv, VALUE obj)
{
@ -1046,10 +1050,12 @@ static VALUE async_query(int argc, VALUE* argv, VALUE 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()) {
rb_yield( get_result(obj) );
idle( obj );