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fs: use preadv on Linux if available

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Brian White 2014-02-26 04:49:26 -05:00 committed by Saúl Ibarra Corretgé
parent 515be33909
commit 269ff0beae
1 changed files with 12 additions and 0 deletions
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12
src/unix/fs.c
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@ -49,6 +49,18 @@
defined(__OpenBSD__) || \ defined(__OpenBSD__) || \
defined(__NetBSD__) defined(__NetBSD__)
# define HAVE_PREADV 1 # define HAVE_PREADV 1
#elif defined(__linux__)
# include <linux/version.h>
# if defined(__GLIBC_PREREQ)
# if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,30) && \
__GLIBC_PREREQ(2,10)
# define HAVE_PREADV 1
# else
# define HAVE_PREADV 0
# endif
# else
# define HAVE_PREADV 0
# endif
#else #else
# define HAVE_PREADV 0 # define HAVE_PREADV 0
#endif #endif