From f2aac995e790d240b8ab8bf915e8283e8ba531f0 Mon Sep 17 00:00:00 2001 From: Waldemar Brodkorb Date: Sat, 20 Oct 2018 16:25:49 +0200 Subject: do not expose recvmmsg/sendmmsg for unsupported kernels --- libc/sysdeps/linux/common/bits/kernel-features.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'libc/sysdeps/linux') diff --git a/libc/sysdeps/linux/common/bits/kernel-features.h b/libc/sysdeps/linux/common/bits/kernel-features.h index e0195e405..f1ebe0204 100644 --- a/libc/sysdeps/linux/common/bits/kernel-features.h +++ b/libc/sysdeps/linux/common/bits/kernel-features.h @@ -461,6 +461,12 @@ # define __ASSUME_ACCEPT4 1 #endif +/* Support for the recvmmsg/sendmmsg syscall was added in 2.6.33 */ +#if __LINUX_KERNEL_VERSION >= 0x020621 +#define __ASSUME_RECVMMSG_SYSCALL 1 +#define __ASSUME_SENDMMSG_SYSCALL 1 +#endif + /* Support for the FUTEX_CLOCK_REALTIME flag was added in 2.6.29. */ #if __LINUX_KERNEL_VERSION >= 0x02061d # define __ASSUME_FUTEX_CLOCK_REALTIME 1 -- cgit v1.2.3