1 |
root |
1.13 |
dnl openbsd in it's neverending brokenness requires stdint.h for intptr_t, |
2 |
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dnl but that header isn't very portable... |
3 |
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AC_CHECK_HEADERS([stdint.h]) |
4 |
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5 |
root |
1.2 |
AC_SEARCH_LIBS( |
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pthread_create, |
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[pthread pthreads pthreadVC2], |
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, |
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[AC_MSG_ERROR(pthread functions not found)] |
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) |
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12 |
root |
1.11 |
AC_CACHE_CHECK(for utimes, ac_cv_utimes, [AC_LINK_IFELSE([[ |
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#include <sys/types.h> |
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#include <sys/time.h> |
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#include <utime.h> |
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struct timeval tv[2]; |
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int res; |
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int main (void) |
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{ |
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res = utimes ("/", tv); |
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return 0; |
22 |
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} |
23 |
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]],ac_cv_utimes=yes,ac_cv_utimes=no)]) |
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test $ac_cv_utimes = yes && AC_DEFINE(HAVE_UTIMES, 1, utimes(2) is available) |
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26 |
root |
1.1 |
AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[ |
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#include <sys/types.h> |
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#include <sys/time.h> |
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#include <utime.h> |
30 |
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struct timeval tv[2]; |
31 |
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int res; |
32 |
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int fd; |
33 |
root |
1.10 |
int main (void) |
34 |
root |
1.1 |
{ |
35 |
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res = futimes (fd, tv); |
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return 0; |
37 |
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} |
38 |
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]],ac_cv_futimes=yes,ac_cv_futimes=no)]) |
39 |
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test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available) |
40 |
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41 |
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AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([ |
42 |
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#include <fcntl.h> |
43 |
root |
1.10 |
int main (void) |
44 |
root |
1.1 |
{ |
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int fd = 0; |
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size_t count = 2; |
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ssize_t res; |
48 |
root |
1.5 |
res = readahead (fd, 0, count); |
49 |
root |
1.1 |
return 0; |
50 |
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} |
51 |
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],ac_cv_readahead=yes,ac_cv_readahead=no)]) |
52 |
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test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux)) |
53 |
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54 |
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AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([ |
55 |
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#include <unistd.h> |
56 |
root |
1.10 |
int main (void) |
57 |
root |
1.1 |
{ |
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int fd = 0; |
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fdatasync (fd); |
60 |
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return 0; |
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} |
62 |
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],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
63 |
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test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available) |
64 |
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65 |
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AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([ |
66 |
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#include <unistd.h> |
67 |
root |
1.10 |
int main (void) |
68 |
root |
1.1 |
{ |
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int fd = 0; |
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size_t count = 1; |
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char buf; |
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off_t offset = 1; |
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ssize_t res; |
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res = pread (fd, &buf, count, offset); |
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res = pwrite (fd, &buf, count, offset); |
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return 0; |
77 |
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} |
78 |
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],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)]) |
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test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available) |
80 |
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81 |
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AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ |
82 |
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# include <sys/types.h> |
83 |
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#if __linux |
84 |
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# include <sys/sendfile.h> |
85 |
root |
1.9 |
#elif __FreeBSD__ || defined __APPLE__ |
86 |
root |
1.1 |
# include <sys/socket.h> |
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# include <sys/uio.h> |
88 |
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#elif __hpux |
89 |
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# include <sys/socket.h> |
90 |
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#else |
91 |
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# error unsupported architecture |
92 |
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#endif |
93 |
root |
1.10 |
int main (void) |
94 |
root |
1.1 |
{ |
95 |
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int fd = 0; |
96 |
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off_t offset = 1; |
97 |
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size_t count = 2; |
98 |
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ssize_t res; |
99 |
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#if __linux |
100 |
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res = sendfile (fd, fd, offset, count); |
101 |
root |
1.9 |
#elif __FreeBSD__ |
102 |
root |
1.1 |
res = sendfile (fd, fd, offset, count, 0, &offset, 0); |
103 |
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#elif __hpux |
104 |
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res = sendfile (fd, fd, offset, count, 0, 0); |
105 |
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#endif |
106 |
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return 0; |
107 |
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} |
108 |
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],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) |
109 |
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test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) |
110 |
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111 |
root |
1.7 |
AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([ |
112 |
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#include <fcntl.h> |
113 |
root |
1.10 |
int main (void) |
114 |
root |
1.7 |
{ |
115 |
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int fd = 0; |
116 |
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off64_t offset = 1; |
117 |
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off64_t nbytes = 1; |
118 |
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unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER; |
119 |
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ssize_t res; |
120 |
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res = sync_file_range (fd, offset, nbytes, flags); |
121 |
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return 0; |
122 |
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} |
123 |
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],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)]) |
124 |
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test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available) |
125 |
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126 |
root |
1.14 |
AC_CACHE_CHECK(for fallocate, ac_cv_fallocate, [AC_LINK_IFELSE([ |
127 |
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#include <fcntl.h> |
128 |
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int main (void) |
129 |
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{ |
130 |
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int fd = 0; |
131 |
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int mode = FALLOC_FL_KEEP_SIZE; |
132 |
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off_t offset = 1; |
133 |
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off_t len = 1; |
134 |
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int res; |
135 |
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res = fallocate (fd, mode, offset, len); |
136 |
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return 0; |
137 |
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} |
138 |
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],ac_cv_fallocate=yes,ac_cv_fallocate=no)]) |
139 |
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test $ac_cv_fallocate = yes && AC_DEFINE(HAVE_FALLOCATE, 1, fallocate(2) is available) |
140 |
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141 |
root |
1.12 |
dnl ############################################################################# |
142 |
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dnl # these checks exist for the benefit of IO::AIO |
143 |
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144 |
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dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
145 |
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dnl functionality actually being present. ugh. |
146 |
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AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([ |
147 |
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#include <sys/mman.h> |
148 |
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int main (void) |
149 |
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{ |
150 |
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int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); |
151 |
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int a = POSIX_MADV_SEQUENTIAL; |
152 |
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int b = POSIX_MADV_RANDOM; |
153 |
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int c = POSIX_MADV_WILLNEED; |
154 |
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int d = POSIX_MADV_DONTNEED; |
155 |
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return 0; |
156 |
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} |
157 |
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],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)]) |
158 |
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test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available) |
159 |
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160 |
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AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([ |
161 |
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#define _XOPEN_SOURCE 600 |
162 |
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#include <fcntl.h> |
163 |
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int main (void) |
164 |
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{ |
165 |
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int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); |
166 |
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int a = POSIX_FADV_SEQUENTIAL; |
167 |
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int b = POSIX_FADV_NOREUSE; |
168 |
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int c = POSIX_FADV_RANDOM; |
169 |
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int d = POSIX_FADV_WILLNEED; |
170 |
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int e = POSIX_FADV_DONTNEED; |
171 |
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return 0; |
172 |
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} |
173 |
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],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
174 |
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test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
175 |
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