| … | |
… | |
| 59 | fdatasync (fd); |
59 | fdatasync (fd); |
| 60 | return 0; |
60 | return 0; |
| 61 | } |
61 | } |
| 62 | ],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
62 | ],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
| 63 | test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available) |
63 | test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available) |
| 64 | |
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| 65 | AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([ |
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| 66 | #include <unistd.h> |
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| 67 | int main (void) |
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| 68 | { |
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| 69 | int fd = 0; |
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| 70 | size_t count = 1; |
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| 71 | char buf; |
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| 72 | off_t offset = 1; |
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| 73 | ssize_t res; |
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| 74 | res = pread (fd, &buf, count, offset); |
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| 75 | res = pwrite (fd, &buf, count, offset); |
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| 76 | return 0; |
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| 77 | } |
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| 78 | ],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)]) |
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| 79 | test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available) |
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| 80 | |
64 | |
| 81 | AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ |
65 | AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ |
| 82 | # include <sys/types.h> |
66 | # include <sys/types.h> |
| 83 | #if __linux |
67 | #if __linux |
| 84 | # include <sys/sendfile.h> |
68 | # include <sys/sendfile.h> |
