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Better performance without the tight loop

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This commit is contained in:
Lourens Naude 2008-09-10 15:02:42 +01:00
parent 3c5dd38037
commit 25a76a4d8b
1 changed files with 3 additions and 15 deletions
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14
ext/mysql.c
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@ -827,7 +827,6 @@ static VALUE schedule(VALUE obj, VALUE timeout)
{ {
MYSQL* m = GetHandler(obj); MYSQL* m = GetHandler(obj);
fd_set read; fd_set read;
int ret;
timeout = ( NIL_P(timeout) ? m->net.read_timeout : INT2NUM(timeout) ); timeout = ( NIL_P(timeout) ? m->net.read_timeout : INT2NUM(timeout) );
@ -836,21 +835,10 @@ static VALUE schedule(VALUE obj, VALUE timeout)
FD_ZERO(&read); FD_ZERO(&read);
FD_SET(m->net.fd, &read); FD_SET(m->net.fd, &read);
for(;;) { if (rb_thread_select(m->net.fd + 1, &read, NULL, NULL, &tv) < 0) {
ret = rb_thread_select(m->net.fd + 1, &read, NULL, NULL, &tv);
if (ret < 0) {
rb_raise(eMysql, "query: timeout"); rb_raise(eMysql, "query: timeout");
} }
if (ret == 0) {
continue;
}
if ( vio_poll_read( m->net.vio, INT2NUM(timeout) ) == 0 ) {
break;
}
}
} }
/* async_query(sql,timeout=nil) */ /* async_query(sql,timeout=nil) */