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 |
1.11 |
AC_CACHE_CHECK(for utimes, ac_cv_utimes, [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 main (void) |
15 |
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{ |
16 |
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res = utimes ("/", tv); |
17 |
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return 0; |
18 |
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} |
19 |
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]],ac_cv_utimes=yes,ac_cv_utimes=no)]) |
20 |
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test $ac_cv_utimes = yes && AC_DEFINE(HAVE_UTIMES, 1, utimes(2) is available) |
21 |
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22 |
root |
1.1 |
AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[ |
23 |
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#include <sys/types.h> |
24 |
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#include <sys/time.h> |
25 |
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#include <utime.h> |
26 |
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struct timeval tv[2]; |
27 |
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int res; |
28 |
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int fd; |
29 |
root |
1.10 |
int main (void) |
30 |
root |
1.1 |
{ |
31 |
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res = futimes (fd, tv); |
32 |
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return 0; |
33 |
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} |
34 |
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]],ac_cv_futimes=yes,ac_cv_futimes=no)]) |
35 |
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test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available) |
36 |
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37 |
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AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([ |
38 |
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#include <fcntl.h> |
39 |
root |
1.10 |
int main (void) |
40 |
root |
1.1 |
{ |
41 |
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int fd = 0; |
42 |
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size_t count = 2; |
43 |
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ssize_t res; |
44 |
root |
1.5 |
res = readahead (fd, 0, count); |
45 |
root |
1.1 |
return 0; |
46 |
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} |
47 |
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],ac_cv_readahead=yes,ac_cv_readahead=no)]) |
48 |
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test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux)) |
49 |
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50 |
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AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([ |
51 |
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#include <unistd.h> |
52 |
root |
1.10 |
int main (void) |
53 |
root |
1.1 |
{ |
54 |
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int fd = 0; |
55 |
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fdatasync (fd); |
56 |
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return 0; |
57 |
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} |
58 |
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],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
59 |
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test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available) |
60 |
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61 |
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AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([ |
62 |
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#include <unistd.h> |
63 |
root |
1.10 |
int main (void) |
64 |
root |
1.1 |
{ |
65 |
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int fd = 0; |
66 |
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size_t count = 1; |
67 |
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char buf; |
68 |
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off_t offset = 1; |
69 |
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ssize_t res; |
70 |
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res = pread (fd, &buf, count, offset); |
71 |
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res = pwrite (fd, &buf, count, offset); |
72 |
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return 0; |
73 |
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} |
74 |
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],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)]) |
75 |
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test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available) |
76 |
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|
77 |
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AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ |
78 |
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# include <sys/types.h> |
79 |
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#if __linux |
80 |
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# include <sys/sendfile.h> |
81 |
root |
1.9 |
#elif __FreeBSD__ || defined __APPLE__ |
82 |
root |
1.1 |
# include <sys/socket.h> |
83 |
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# include <sys/uio.h> |
84 |
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#elif __hpux |
85 |
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# include <sys/socket.h> |
86 |
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#else |
87 |
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# error unsupported architecture |
88 |
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#endif |
89 |
root |
1.10 |
int main (void) |
90 |
root |
1.1 |
{ |
91 |
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int fd = 0; |
92 |
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off_t offset = 1; |
93 |
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size_t count = 2; |
94 |
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ssize_t res; |
95 |
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#if __linux |
96 |
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res = sendfile (fd, fd, offset, count); |
97 |
root |
1.9 |
#elif __FreeBSD__ |
98 |
root |
1.1 |
res = sendfile (fd, fd, offset, count, 0, &offset, 0); |
99 |
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#elif __hpux |
100 |
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res = sendfile (fd, fd, offset, count, 0, 0); |
101 |
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#endif |
102 |
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return 0; |
103 |
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} |
104 |
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],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) |
105 |
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test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) |
106 |
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|
107 |
root |
1.7 |
AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([ |
108 |
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#include <fcntl.h> |
109 |
root |
1.10 |
int main (void) |
110 |
root |
1.7 |
{ |
111 |
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int fd = 0; |
112 |
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off64_t offset = 1; |
113 |
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off64_t nbytes = 1; |
114 |
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unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER; |
115 |
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ssize_t res; |
116 |
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res = sync_file_range (fd, offset, nbytes, flags); |
117 |
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return 0; |
118 |
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} |
119 |
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],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)]) |
120 |
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test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available) |
121 |
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