[PATCH v2] provide y2038 safe socket constants for default/asm-generic ABI

[Vineet Gupta]

These will be used by upcoming RV32 and ARC ports and any future ports.

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
---
This is a straight copy of code originally written by Alistair, hence
adding his SOB as well
---
 sysdeps/unix/sysv/linux/bits/socket-constants.h | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/sysdeps/unix/sysv/linux/bits/socket-constants.h b/sysdeps/unix/sysv/linux/bits/socket-constants.h
index 9dcc19cd5380..d02e1cbc7cf1 100644
--- a/sysdeps/unix/sysv/linux/bits/socket-constants.h
+++ b/sysdeps/unix/sysv/linux/bits/socket-constants.h
@@ -20,6 +20,8 @@
 # error "Never include <bits/socket-constants.h> directly; use <sys/socket.h> instead."
 #endif
 
+#include <bits/timesize.h>
+
 #define SOL_SOCKET 1
 #define SO_ACCEPTCONN 30
 #define SO_BROADCAST 6
@@ -30,9 +32,19 @@
 #define SO_OOBINLINE 10
 #define SO_RCVBUF 8
 #define SO_RCVLOWAT 18
-#define SO_RCVTIMEO 20
+#if (__TIMESIZE == 64 && __WORDSIZE == 32 \
+     && (!defined __SYSCALL_WORDSIZE || __SYSCALL_WORDSIZE == 32))
+# define SO_RCVTIMEO 66
+#else
+# define SO_RCVTIMEO 20
+#endif
 #define SO_REUSEADDR 2
 #define SO_SNDBUF 7
 #define SO_SNDLOWAT 19
-#define SO_SNDTIMEO 21
+#if (__TIMESIZE == 64 && __WORDSIZE == 32 \
+     && (!defined __SYSCALL_WORDSIZE || __SYSCALL_WORDSIZE == 32))
+# define SO_SNDTIMEO 67
+#else
+# define SO_SNDTIMEO 21
+#endif
 #define SO_TYPE 3
-- 
2.20.1