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-rw-r--r--src/syscall/syscall_linux_accept.go34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/syscall/syscall_linux_accept.go b/src/syscall/syscall_linux_accept.go
new file mode 100644
index 0000000..66c0f84
--- /dev/null
+++ b/src/syscall/syscall_linux_accept.go
@@ -0,0 +1,34 @@
+// Copyright 2009 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// We require Linux kernel version 2.6.32. The accept4 system call was
+// added in version 2.6.28, so in general we can use accept4.
+// Unfortunately, for ARM only, accept4 was added in version 2.6.36.
+// Handle that case here, by using a copy of the Accept function that
+// we used in Go 1.17.
+
+//go:build linux && arm
+
+package syscall
+
+//sys accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error)
+
+func Accept(fd int) (nfd int, sa Sockaddr, err error) {
+ var rsa RawSockaddrAny
+ var len _Socklen = SizeofSockaddrAny
+ // Try accept4 first for Android and newer kernels.
+ nfd, err = accept4(fd, &rsa, &len, 0)
+ if err == ENOSYS {
+ nfd, err = accept(fd, &rsa, &len)
+ }
+ if err != nil {
+ return
+ }
+ sa, err = anyToSockaddr(&rsa)
+ if err != nil {
+ Close(nfd)
+ nfd = 0
+ }
+ return
+}