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fix ConnPool race in newConn (#2885) 

Co-authored-by: Oleg Stotskiy <ostotsky@ordercapital.com>
Co-authored-by: ofekshenawa <104765379+ofekshenawa@users.noreply.github.com>
This commit is contained in:
Oleg Stotsky 2024-02-15 00:14:50 +04:00 committed by GitHub
parent a1577376e1
commit 36bab9c8dc
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1 changed files with 8 additions and 0 deletions
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8
internal/pool/pool.go
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@ -168,9 +168,12 @@ func (p *ConnPool) newConn(ctx context.Context, pooled bool) (*Conn, error) {
return nil, ErrClosed
}
p.connsMu.Lock()
if p.cfg.MaxActiveConns > 0 && p.poolSize >= p.cfg.MaxActiveConns {
p.connsMu.Unlock()
return nil, ErrPoolExhausted
}
p.connsMu.Unlock()
cn, err := p.dialConn(ctx, pooled)
if err != nil {
@ -180,6 +183,11 @@ func (p *ConnPool) newConn(ctx context.Context, pooled bool) (*Conn, error) {
p.connsMu.Lock()
defer p.connsMu.Unlock()
if p.cfg.MaxActiveConns > 0 && p.poolSize >= p.cfg.MaxActiveConns {
_ = cn.Close()
return nil, ErrPoolExhausted
}
p.conns = append(p.conns, cn)
if pooled {
// If pool is full remove the cn on next Put.