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-rw-r--r--src/net/dial.go8
-rw-r--r--src/net/tcpsock_plan9.go3
-rw-r--r--src/net/tcpsock_posix.go3
3 files changed, 9 insertions, 5 deletions
diff --git a/src/net/dial.go b/src/net/dial.go
index e2e60530a9..4d55a95ddf 100644
--- a/src/net/dial.go
+++ b/src/net/dial.go
@@ -12,6 +12,12 @@ import (
"time"
)
+// defaultTCPKeepAlive is a default constant value for TCPKeepAlive times
+// See golang.org/issue/31510
+const (
+ defaultTCPKeepAlive = 15 * time.Second
+)
+
// A Dialer contains options for connecting to an address.
//
// The zero value for each field is equivalent to dialing
@@ -425,7 +431,7 @@ func (d *Dialer) DialContext(ctx context.Context, network, address string) (Conn
setKeepAlive(tc.fd, true)
ka := d.KeepAlive
if d.KeepAlive == 0 {
- ka = 15 * time.Second
+ ka = defaultTCPKeepAlive
}
setKeepAlivePeriod(tc.fd, ka)
testHookSetKeepAlive(ka)
diff --git a/src/net/tcpsock_plan9.go b/src/net/tcpsock_plan9.go
index e538f55865..e2e835957c 100644
--- a/src/net/tcpsock_plan9.go
+++ b/src/net/tcpsock_plan9.go
@@ -8,7 +8,6 @@ import (
"context"
"io"
"os"
- "time"
)
func (c *TCPConn) readFrom(r io.Reader) (int64, error) {
@@ -50,7 +49,7 @@ func (ln *TCPListener) accept() (*TCPConn, error) {
setKeepAlive(fd, true)
ka := ln.lc.KeepAlive
if ln.lc.KeepAlive == 0 {
- ka = 3 * time.Minute
+ ka = defaultTCPKeepAlive
}
setKeepAlivePeriod(fd, ka)
}
diff --git a/src/net/tcpsock_posix.go b/src/net/tcpsock_posix.go
index 14d383b74d..e32d5d7ee3 100644
--- a/src/net/tcpsock_posix.go
+++ b/src/net/tcpsock_posix.go
@@ -11,7 +11,6 @@ import (
"io"
"os"
"syscall"
- "time"
)
func sockaddrToTCP(sa syscall.Sockaddr) Addr {
@@ -146,7 +145,7 @@ func (ln *TCPListener) accept() (*TCPConn, error) {
setKeepAlive(fd, true)
ka := ln.lc.KeepAlive
if ln.lc.KeepAlive == 0 {
- ka = 3 * time.Minute
+ ka = defaultTCPKeepAlive
}
setKeepAlivePeriod(fd, ka)
}