On Mon, Jul 04, 2011 at 02:13:36PM +0200, Bernhard Held wrote: > 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.
Not if the system header gets included afterwards. > However the definition of the flags is unconditional, this is indeed buggy. > > Best regards, > Bernhard -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
