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| 1 // Copyright 2009 The Go Authors. All rights reserved. | 1 // Copyright 2009 The Go Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style | 2 // Use of this source code is governed by a BSD-style |
| 3 // license that can be found in the LICENSE file. | 3 // license that can be found in the LICENSE file. |
| 4 | 4 |
| 5 // +build darwin dragonfly freebsd nacl netbsd openbsd | 5 // +build darwin dragonfly freebsd netbsd openbsd |
| 6 | 6 |
| 7 package net | 7 package net |
| 8 | 8 |
| 9 import ( | 9 import ( |
| 10 "runtime" | 10 "runtime" |
| 11 "syscall" | 11 "syscall" |
| 12 ) | 12 ) |
| 13 | 13 |
| 14 func maxListenerBacklog() int { | 14 func maxListenerBacklog() int { |
| 15 var ( | 15 var ( |
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| 28 return syscall.SOMAXCONN | 28 return syscall.SOMAXCONN |
| 29 } | 29 } |
| 30 // FreeBSD stores the backlog in a uint16, as does Linux. | 30 // FreeBSD stores the backlog in a uint16, as does Linux. |
| 31 // Assume the other BSDs do too. Truncate number to avoid wrapping. | 31 // Assume the other BSDs do too. Truncate number to avoid wrapping. |
| 32 // See issue 5030. | 32 // See issue 5030. |
| 33 if n > 1<<16-1 { | 33 if n > 1<<16-1 { |
| 34 n = 1<<16 - 1 | 34 n = 1<<16 - 1 |
| 35 } | 35 } |
| 36 return int(n) | 36 return int(n) |
| 37 } | 37 } |
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