1 | dnl openbsd in it's neverending brokenness requires stdint.h for intptr_t, |
1 | dnl openbsd in its neverending brokenness requires stdint.h for intptr_t, |
2 | dnl but that header isn't very portable... |
2 | dnl but that header isn't very portable... |
3 | AC_CHECK_HEADERS([stdint.h sys/syscall.h sys/prctl.h]) |
3 | AC_CHECK_HEADERS([stdint.h sys/syscall.h sys/prctl.h]) |
4 | |
4 | |
5 | AC_SEARCH_LIBS( |
5 | AC_SEARCH_LIBS( |
6 | pthread_create, |
6 | pthread_create, |
7 | [pthread pthreads pthreadVC2], |
7 | [pthread pthreads pthreadVC2], |
8 | , |
8 | , |
9 | [AC_MSG_ERROR(pthread functions not found)] |
9 | [AC_MSG_ERROR(pthread functions not found)] |
10 | ) |
10 | ) |
11 | |
11 | |
12 | AC_CACHE_CHECK(for utimes, ac_cv_utimes, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
12 | AC_CACHE_CHECK(for utimes, ac_cv_utimes, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
13 | #include <sys/types.h> |
13 | #include <sys/types.h> |
14 | #include <sys/time.h> |
14 | #include <sys/time.h> |
15 | #include <utime.h> |
15 | #include <utime.h> |
16 | struct timeval tv[2]; |
16 | struct timeval tv[2]; |
17 | int res; |
17 | int res; |
18 | int main (void) |
18 | int main (void) |
19 | { |
19 | { |
20 | res = utimes ("/", tv); |
20 | res = utimes ("/", tv); |
21 | return 0; |
21 | return 0; |
22 | } |
22 | } |
23 | ])],ac_cv_utimes=yes,ac_cv_utimes=no)]) |
23 | ]])],ac_cv_utimes=yes,ac_cv_utimes=no)]) |
24 | test $ac_cv_utimes = yes && AC_DEFINE(HAVE_UTIMES, 1, utimes(2) is available) |
24 | test $ac_cv_utimes = yes && AC_DEFINE(HAVE_UTIMES, 1, utimes(2) is available) |
25 | |
25 | |
26 | AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
26 | AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
27 | #include <sys/types.h> |
27 | #include <sys/types.h> |
28 | #include <sys/time.h> |
28 | #include <sys/time.h> |
29 | #include <utime.h> |
29 | #include <utime.h> |
30 | struct timeval tv[2]; |
30 | struct timeval tv[2]; |
31 | int res; |
31 | int res; |
… | |
… | |
33 | int main (void) |
33 | int main (void) |
34 | { |
34 | { |
35 | res = futimes (fd, tv); |
35 | res = futimes (fd, tv); |
36 | return 0; |
36 | return 0; |
37 | } |
37 | } |
38 | ])],ac_cv_futimes=yes,ac_cv_futimes=no)]) |
38 | ]])],ac_cv_futimes=yes,ac_cv_futimes=no)]) |
39 | test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available) |
39 | test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available) |
40 | |
40 | |
41 | AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
41 | AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
42 | #include <fcntl.h> |
42 | #include <fcntl.h> |
43 | int main (void) |
43 | int main (void) |
… | |
… | |
79 | int fd = 0; |
79 | int fd = 0; |
80 | off_t offset = 1; |
80 | off_t offset = 1; |
81 | size_t count = 2; |
81 | size_t count = 2; |
82 | ssize_t res; |
82 | ssize_t res; |
83 | #if __linux |
83 | #if __linux |
84 | res = sendfile (fd, fd, offset, count); |
84 | res = sendfile (fd, fd, &offset, count); |
85 | #elif __FreeBSD__ |
85 | #elif __FreeBSD__ |
86 | res = sendfile (fd, fd, offset, count, 0, &offset, 0); |
86 | res = sendfile (fd, fd, offset, count, 0, &offset, 0); |
87 | #elif __hpux |
87 | #elif __hpux |
88 | res = sendfile (fd, fd, offset, count, 0, 0); |
88 | res = sendfile (fd, fd, offset, count, 0, 0); |
89 | #endif |
89 | #endif |
… | |
… | |
134 | |
134 | |
135 | AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
135 | AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
136 | #include <sys/prctl.h> |
136 | #include <sys/prctl.h> |
137 | int main (void) |
137 | int main (void) |
138 | { |
138 | { |
139 | char name[] = "test123"; |
139 | char *name = "test123"; |
140 | int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0); |
140 | int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0); |
141 | } |
141 | } |
142 | ])],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)]) |
142 | ])],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)]) |
143 | test $ac_cv_prctl_set_name = yes && AC_DEFINE(HAVE_PRCTL_SET_NAME, 1, prctl(PR_SET_NAME) is available) |
143 | test $ac_cv_prctl_set_name = yes && AC_DEFINE(HAVE_PRCTL_SET_NAME, 1, prctl(PR_SET_NAME) is available) |
144 | |
144 | |
145 | dnl ############################################################################# |
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146 | dnl # these checks exist for the benefit of IO::AIO |
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147 | |
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148 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
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149 | dnl functionality actually being present. ugh. |
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150 | AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
145 | AC_CACHE_CHECK(for posix_close, ac_cv_posix_close, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
151 | #include <sys/mman.h> |
146 | #include <unistd.h> |
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147 | int res; |
152 | int main (void) |
148 | int main (void) |
153 | { |
149 | { |
154 | int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); |
150 | res = posix_close (0, 0); /* we do not need any flags */ |
155 | int a = POSIX_MADV_SEQUENTIAL; |
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156 | int b = POSIX_MADV_RANDOM; |
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157 | int c = POSIX_MADV_WILLNEED; |
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158 | int d = POSIX_MADV_DONTNEED; |
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159 | return 0; |
151 | return 0; |
160 | } |
152 | } |
161 | ])],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)]) |
153 | ]])],ac_cv_posix_close=yes,ac_cv_posix_close=no)]) |
162 | test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available) |
154 | test $ac_cv_posix_close = yes && AC_DEFINE(HAVE_POSIX_CLOSE, 1, posix_close(2) is available) |
163 | |
155 | |
164 | AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
156 | AC_CACHE_CHECK(for renameat2, ac_cv_renameat2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
165 | #define _XOPEN_SOURCE 600 |
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166 | #include <fcntl.h> |
157 | #include <unistd.h> |
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158 | #include <sys/syscall.h> |
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159 | #include <linux/fs.h> |
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160 | int res; |
167 | int main (void) |
161 | int main (void) |
168 | { |
162 | { |
169 | int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); |
163 | res = syscall (SYS_renameat2, 0, 0, 0, 0, RENAME_EXCHANGE | RENAME_NOREPLACE); |
170 | int a = POSIX_FADV_SEQUENTIAL; |
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171 | int b = POSIX_FADV_NOREUSE; |
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172 | int c = POSIX_FADV_RANDOM; |
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173 | int d = POSIX_FADV_WILLNEED; |
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174 | int e = POSIX_FADV_DONTNEED; |
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175 | return 0; |
164 | return 0; |
176 | } |
165 | } |
177 | ])],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
166 | ]])],ac_cv_renameat2=yes,ac_cv_renameat2=no)]) |
178 | test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
167 | test $ac_cv_renameat2 = yes && AC_DEFINE(HAVE_RENAMEAT2, 1, renameat2(2) is available) |
179 | |
168 | |
180 | dnl lots of linux specifics |
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181 | AC_CHECK_HEADERS([linux/fs.h linux/fiemap.h]) |
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182 | |
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183 | AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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184 | #include <fcntl.h> |
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185 | int main (void) |
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186 | { |
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187 | ssize_t res; |
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188 | res = splice ((int)0, (loff_t)0, (int)0, (loff_t *)0, (size_t)0, SPLICE_F_MOVE | SPLICE_F_NONBLOCK | SPLICE_F_MORE); |
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189 | res = tee ((int)0, (int)0, (size_t)0, SPLICE_F_NONBLOCK); |
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190 | res = vmsplice ((int)0, (struct iovec *)0, 0, SPLICE_F_NONBLOCK | SPLICE_F_GIFT); |
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191 | return 0; |
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192 | } |
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193 | ])],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)]) |
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194 | test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available) |
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195 | |
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