ViewVC Help
View File | Revision Log | Show Annotations | Download File
/cvs/libeio/libeio.m4
Revision: 1.4
Committed: Sun May 11 01:08:05 2008 UTC (16 years ago) by root
Branch: MAIN
CVS Tags: rel-3_01
Changes since 1.3: +0 -1 lines
Log Message:
*** empty log message ***

File Contents

# User Rev Content
1 root 1.2 AC_SEARCH_LIBS(
2     pthread_create,
3     [pthread pthreads pthreadVC2],
4     ,
5     [AC_MSG_ERROR(pthread functions not found)]
6     )
7    
8 root 1.1 AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[
9     #include <sys/types.h>
10     #include <sys/time.h>
11     #include <utime.h>
12     struct timeval tv[2];
13     int res;
14     int fd;
15     int main(void)
16     {
17     res = futimes (fd, tv);
18     return 0;
19     }
20     ]],ac_cv_futimes=yes,ac_cv_futimes=no)])
21     test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available)
22    
23     AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([
24     #include <fcntl.h>
25     int main(void)
26     {
27     int fd = 0;
28     off64_t offset = 1;
29     size_t count = 2;
30     ssize_t res;
31     res = readahead (fd, offset, count);
32     return 0;
33     }
34     ],ac_cv_readahead=yes,ac_cv_readahead=no)])
35     test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux))
36    
37     AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([
38     #include <unistd.h>
39     int main(void)
40     {
41     int fd = 0;
42     fdatasync (fd);
43     return 0;
44     }
45     ],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)])
46     test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available)
47    
48     AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([
49     #include <unistd.h>
50     int main(void)
51     {
52     int fd = 0;
53     size_t count = 1;
54     char buf;
55     off_t offset = 1;
56     ssize_t res;
57     res = pread (fd, &buf, count, offset);
58     res = pwrite (fd, &buf, count, offset);
59     return 0;
60     }
61     ],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)])
62     test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available)
63    
64     AC_CACHE_CHECK(for readdir_r, ac_cv_readdir_r, [AC_LINK_IFELSE([
65     #include <dirent.h>
66     int main(void)
67     {
68     DIR *dir = 0;
69     struct dirent ent, *eres;
70     int res = readdir_r (dir, &ent, &eres);
71     return 0;
72     }
73     ],ac_cv_readdir_r=yes,ac_cv_readdir_r=no)])
74     test $ac_cv_readdir_r = yes && AC_DEFINE(HAVE_READDIR_R, 1, readdir_r is available)
75    
76     AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([
77     # include <sys/types.h>
78     #if __linux
79     # include <sys/sendfile.h>
80     #elif __freebsd
81     # include <sys/socket.h>
82     # include <sys/uio.h>
83     #elif __hpux
84     # include <sys/socket.h>
85     #else
86     # error unsupported architecture
87     #endif
88     int main(void)
89     {
90     int fd = 0;
91     off_t offset = 1;
92     size_t count = 2;
93     ssize_t res;
94     #if __linux
95     res = sendfile (fd, fd, offset, count);
96     #elif __freebsd
97     res = sendfile (fd, fd, offset, count, 0, &offset, 0);
98     #elif __hpux
99     res = sendfile (fd, fd, offset, count, 0, 0);
100     #endif
101     return 0;
102     }
103     ],ac_cv_sendfile=yes,ac_cv_sendfile=no)])
104     test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported)
105