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Date: Mon, 15 Jun 2009 15:30:09 +0200 From: Arnd Bergmann <arnd@...db.de> To: liqin.chen@...plusct.com Cc: Andrew Morton <akpm@...ux-foundation.org>, linux-arch@...r.kernel.org, linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org Subject: [PATCH] asm-generic: add EMAXERRNO Some architectures want to flag error returns from a syscall based on the return value. The range from zero to -511 is for errors that we can return to user space, so add a #define for this to include/asm-generic/errno.h. Reported-by: Chen Liquin <liqin.chen@...plusct.com> Signed-off-by: Arnd Bergmann <arnd@...db.de> --- include/asm-generic/errno.h | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) On Monday 15 June 2009, liqin.chen@...plusct.com wrote: > Maybe I can don't use EMAXERRNO in score code. But I think define a > maximum error number in asm-generic/errno.h is better. > How about this one? diff --git a/include/asm-generic/errno.h b/include/asm-generic/errno.h index e8852c0..16bb31d 100644 --- a/include/asm-generic/errno.h +++ b/include/asm-generic/errno.h @@ -106,4 +106,8 @@ #define EOWNERDEAD 130 /* Owner died */ #define ENOTRECOVERABLE 131 /* State not recoverable */ +#ifdef __KERNEL__ +#define EMAXERRNO 511 /* maximum errno value we return to user */ +#endif + #endif -- 1.6.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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