From 74a2c71153b910ee4773866ee30be84730a4d5b8 Mon Sep 17 00:00:00 2001 From: Bernhard Reutner-Fischer Date: Wed, 11 May 2011 11:31:45 +0200 Subject: accept4: Implement cancellation .. and add proper prototype, move it into it's own obj and other such cleanups. Signed-off-by: Bernhard Reutner-Fischer --- libc/sysdeps/linux/common/bits/kernel-features.h | 12 ++++++++++++ libc/sysdeps/linux/common/stubs.c | 4 ++++ 2 files changed, 16 insertions(+) (limited to 'libc/sysdeps/linux/common') diff --git a/libc/sysdeps/linux/common/bits/kernel-features.h b/libc/sysdeps/linux/common/bits/kernel-features.h index 68b881c09..b338e0770 100644 --- a/libc/sysdeps/linux/common/bits/kernel-features.h +++ b/libc/sysdeps/linux/common/bits/kernel-features.h @@ -454,6 +454,18 @@ #define __ASSUME_IEEE_RAISE_EXCEPTION 1 #endif +/* Support for the accept4 syscall was added in 2.6.28. */ +#if __LINUX_KERNEL_VERSION >= 0x02061c \ + && (defined __i386__ || defined __x86_64__ || defined __powerpc__ \ + || defined __sparc__ || defined __s390__) +# define __ASSUME_ACCEPT4 1 +#endif + +/* Support for the accept4 syscall for alpha was added after 2.6.33-rc1. */ +#if __LINUX_KERNEL_VERSION >= 0x020621 && defined __alpha__ +# define __ASSUME_ACCEPT4 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 diff --git a/libc/sysdeps/linux/common/stubs.c b/libc/sysdeps/linux/common/stubs.c index 655c64001..d9379874a 100644 --- a/libc/sysdeps/linux/common/stubs.c +++ b/libc/sysdeps/linux/common/stubs.c @@ -31,6 +31,10 @@ static int enosys_stub(void) # undef __NR_sync_file_range #endif +#ifndef __NR_accept4 +make_stub(accept4) +#endif + #ifndef __NR_bdflush make_stub(bdflush) #endif -- cgit v1.2.3