Am 04.07.2011 12:37, schrieb Michael S. Tsirkin:
On Sun, Jul 03, 2011 at 08:31:11PM +0200, Bernhard Held wrote:
SYS_eventfd2 is not defined on systems with old glibc. These numbers
are working for me, for 32 and 64 bit linux. What means
"__NR_eventfd2 does seem to exit"?
My system seems to have a definition for the 64 bit
_NR_eventfd2 in unistd.h.
# grep __NR_eventfd2 /usr/include/*/*h
/usr/include/asm-x86_64/unistd.h:#define __NR_eventfd2 290
So I think we should use another name to avoid conflicts.
The definition of __NR_eventfd2 is embraced by
#ifndef __NR_eventfd2
...
#endif
which effectively avoids conflicts.
However the definition of the flags is unconditional, this is indeed buggy.
Best regards,
Bernhard
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