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b16f282cb0
The wire-up syscall __NR_recvmmsg_time64 (for 32-bit) or __NR_recvmmsg (for 64-bit) is used as default. The 32-bit fallback is used iff __ASSUME_TIME64_SYSCALLS is not defined, which assumes the kernel ABI provides either __NR_socketcall or __NR_recvmmsg (32-bit time_t). It does not handle the timestamps on ancillary data (SCM_TIMESTAMPING records). Checked on x86_64-linux-gnu and i686-linux-gnu. Reviewed-by: Alistair Francis <alistair.francis@wdc.com>