1 |
root |
1.2 |
AC_SEARCH_LIBS( |
2 |
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pthread_create, |
3 |
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[pthread pthreads pthreadVC2], |
4 |
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, |
5 |
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[AC_MSG_ERROR(pthread functions not found)] |
6 |
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) |
7 |
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8 |
root |
1.1 |
AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[ |
9 |
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#include <sys/types.h> |
10 |
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#include <sys/time.h> |
11 |
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#include <utime.h> |
12 |
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struct timeval tv[2]; |
13 |
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int res; |
14 |
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int fd; |
15 |
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int main(void) |
16 |
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{ |
17 |
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res = futimes (fd, tv); |
18 |
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return 0; |
19 |
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} |
20 |
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]],ac_cv_futimes=yes,ac_cv_futimes=no)]) |
21 |
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test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available) |
22 |
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23 |
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AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([ |
24 |
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#include <fcntl.h> |
25 |
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int main(void) |
26 |
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{ |
27 |
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int fd = 0; |
28 |
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size_t count = 2; |
29 |
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ssize_t res; |
30 |
root |
1.5 |
res = readahead (fd, 0, count); |
31 |
root |
1.1 |
return 0; |
32 |
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} |
33 |
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],ac_cv_readahead=yes,ac_cv_readahead=no)]) |
34 |
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test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux)) |
35 |
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36 |
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AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([ |
37 |
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#include <unistd.h> |
38 |
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int main(void) |
39 |
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{ |
40 |
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int fd = 0; |
41 |
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fdatasync (fd); |
42 |
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return 0; |
43 |
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} |
44 |
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],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
45 |
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test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available) |
46 |
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47 |
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AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([ |
48 |
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#include <unistd.h> |
49 |
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int main(void) |
50 |
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{ |
51 |
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int fd = 0; |
52 |
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size_t count = 1; |
53 |
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char buf; |
54 |
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off_t offset = 1; |
55 |
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ssize_t res; |
56 |
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res = pread (fd, &buf, count, offset); |
57 |
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res = pwrite (fd, &buf, count, offset); |
58 |
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return 0; |
59 |
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} |
60 |
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],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)]) |
61 |
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test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available) |
62 |
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63 |
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AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ |
64 |
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# include <sys/types.h> |
65 |
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#if __linux |
66 |
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# include <sys/sendfile.h> |
67 |
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#elif __freebsd |
68 |
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# include <sys/socket.h> |
69 |
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# include <sys/uio.h> |
70 |
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#elif __hpux |
71 |
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# include <sys/socket.h> |
72 |
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#else |
73 |
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# error unsupported architecture |
74 |
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#endif |
75 |
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int main(void) |
76 |
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{ |
77 |
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int fd = 0; |
78 |
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off_t offset = 1; |
79 |
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size_t count = 2; |
80 |
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ssize_t res; |
81 |
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#if __linux |
82 |
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res = sendfile (fd, fd, offset, count); |
83 |
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#elif __freebsd |
84 |
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res = sendfile (fd, fd, offset, count, 0, &offset, 0); |
85 |
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#elif __hpux |
86 |
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res = sendfile (fd, fd, offset, count, 0, 0); |
87 |
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#endif |
88 |
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return 0; |
89 |
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} |
90 |
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],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) |
91 |
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test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) |
92 |
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