Auto merge of #2808 - devnexen:linux_somaxconn_rework, r=Amanieu

linux SOMAXCONN rework proposal.

glibc had increased to 4096 since couple of years already.

Author: bors

src/unix/linux_like/android/mod.rs

@@ -2489,6 +2489,8 @@ pub const AF_VSOCK: ::c_int = 40;
 pub const PF_NFC: ::c_int = AF_NFC;
 pub const PF_VSOCK: ::c_int = AF_VSOCK;
 
+pub const SOMAXCONN: ::c_int = 128;
+
 // sys/system_properties.h
 pub const PROP_VALUE_MAX: ::c_int = 92;
 pub const PROP_NAME_MAX: ::c_int = 32;

src/unix/linux_like/emscripten/mod.rs

@@ -1669,6 +1669,8 @@ pub const PRIO_PROCESS: ::c_int = 0;
 pub const PRIO_PGRP: ::c_int = 1;
 pub const PRIO_USER: ::c_int = 2;
 
+pub const SOMAXCONN: ::c_int = 128;
+
 f! {
     pub fn CMSG_NXTHDR(mhdr: *const msghdr,
                        cmsg: *const cmsghdr) -> *mut cmsghdr {

src/unix/linux_like/linux/gnu/mod.rs

@@ -1025,6 +1025,8 @@ pub const STATX_ATTR_NODUMP: ::c_int = 0x0040;
 pub const STATX_ATTR_ENCRYPTED: ::c_int = 0x0800;
 pub const STATX_ATTR_AUTOMOUNT: ::c_int = 0x1000;
 
+pub const SOMAXCONN: ::c_int = 4096;
+
 //sys/timex.h
 pub const ADJ_OFFSET: ::c_uint = 0x0001;
 pub const ADJ_FREQUENCY: ::c_uint = 0x0002;

src/unix/linux_like/linux/musl/mod.rs

@@ -529,6 +529,8 @@ pub const MAP_ANONYMOUS: ::c_int = MAP_ANON;
 pub const SOCK_DCCP: ::c_int = 6;
 pub const SOCK_PACKET: ::c_int = 10;
 
+pub const SOMAXCONN: ::c_int = 128;
+
 #[deprecated(since = "0.2.55", note = "Use SIGSYS instead")]
 pub const SIGUNUSED: ::c_int = ::SIGSYS;
 

src/unix/linux_like/linux/uclibc/mod.rs

@@ -235,6 +235,8 @@ pub const PRIO_PROCESS: ::c_int = 0;
 pub const PRIO_PGRP: ::c_int = 1;
 pub const PRIO_USER: ::c_int = 2;
 
+pub const SOMAXCONN: ::c_int = 128;
+
 pub const ST_RELATIME: ::c_ulong = 4096;
 
 pub const AF_NFC: ::c_int = PF_NFC;

src/unix/linux_like/mod.rs

@@ -759,8 +759,6 @@ pub const PF_IEEE802154: ::c_int = AF_IEEE802154;
 pub const PF_CAIF: ::c_int = AF_CAIF;
 pub const PF_ALG: ::c_int = AF_ALG;
 
-pub const SOMAXCONN: ::c_int = 128;
-
 pub const MSG_OOB: ::c_int = 1;
 pub const MSG_PEEK: ::c_int = 2;
 pub const MSG_DONTROUTE: ::c_int = 4;