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]) |
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([[ |
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([[ |
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([ |
41 | AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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42 | #include <sys/types.h> |
42 | #include <fcntl.h> |
43 | #include <fcntl.h> |
43 | int main (void) |
44 | int main (void) |
44 | { |
45 | { |
45 | int fd = 0; |
46 | int fd = 0; |
46 | size_t count = 2; |
47 | size_t count = 2; |
47 | ssize_t res; |
48 | ssize_t res; |
48 | res = readahead (fd, 0, count); |
49 | res = readahead (fd, 0, count); |
49 | return 0; |
50 | return 0; |
50 | } |
51 | } |
51 | ],ac_cv_readahead=yes,ac_cv_readahead=no)]) |
52 | ])],ac_cv_readahead=yes,ac_cv_readahead=no)]) |
52 | test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux)) |
53 | test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux)) |
53 | |
54 | |
54 | AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([ |
55 | AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
55 | #include <unistd.h> |
56 | #include <unistd.h> |
56 | int main (void) |
57 | int main (void) |
57 | { |
58 | { |
58 | int fd = 0; |
59 | int fd = 0; |
59 | fdatasync (fd); |
60 | fdatasync (fd); |
60 | return 0; |
61 | return 0; |
61 | } |
62 | } |
62 | ],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
63 | ])],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
63 | test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available) |
64 | test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available) |
64 | |
65 | |
65 | AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([ |
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66 | #include <unistd.h> |
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67 | int main (void) |
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68 | { |
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69 | int fd = 0; |
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70 | size_t count = 1; |
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71 | char buf; |
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72 | off_t offset = 1; |
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73 | ssize_t res; |
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74 | res = pread (fd, &buf, count, offset); |
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75 | res = pwrite (fd, &buf, count, offset); |
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76 | return 0; |
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77 | } |
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78 | ],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)]) |
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79 | test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available) |
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80 | |
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81 | AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ |
66 | AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
82 | # include <sys/types.h> |
67 | # include <sys/types.h> |
83 | #if __linux |
68 | #if __linux |
84 | # include <sys/sendfile.h> |
69 | # include <sys/sendfile.h> |
85 | #elif __FreeBSD__ || defined __APPLE__ |
70 | #elif __FreeBSD__ || defined __APPLE__ |
86 | # include <sys/socket.h> |
71 | # include <sys/socket.h> |
… | |
… | |
95 | int fd = 0; |
80 | int fd = 0; |
96 | off_t offset = 1; |
81 | off_t offset = 1; |
97 | size_t count = 2; |
82 | size_t count = 2; |
98 | ssize_t res; |
83 | ssize_t res; |
99 | #if __linux |
84 | #if __linux |
100 | res = sendfile (fd, fd, offset, count); |
85 | res = sendfile (fd, fd, &offset, count); |
101 | #elif __FreeBSD__ |
86 | #elif __FreeBSD__ |
102 | res = sendfile (fd, fd, offset, count, 0, &offset, 0); |
87 | res = sendfile (fd, fd, offset, count, 0, &offset, 0); |
103 | #elif __hpux |
88 | #elif __hpux |
104 | res = sendfile (fd, fd, offset, count, 0, 0); |
89 | res = sendfile (fd, fd, offset, count, 0, 0); |
105 | #endif |
90 | #endif |
106 | return 0; |
91 | return 0; |
107 | } |
92 | } |
108 | ],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) |
93 | ])],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) |
109 | test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) |
94 | test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) |
110 | |
95 | |
111 | AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([ |
96 | AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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97 | #include <sys/types.h> |
112 | #include <fcntl.h> |
98 | #include <fcntl.h> |
113 | int main (void) |
99 | int main (void) |
114 | { |
100 | { |
115 | int fd = 0; |
101 | int fd = 0; |
116 | off64_t offset = 1; |
102 | off64_t offset = 1; |
… | |
… | |
118 | unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER; |
104 | unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER; |
119 | ssize_t res; |
105 | ssize_t res; |
120 | res = sync_file_range (fd, offset, nbytes, flags); |
106 | res = sync_file_range (fd, offset, nbytes, flags); |
121 | return 0; |
107 | return 0; |
122 | } |
108 | } |
123 | ],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)]) |
109 | ])],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)]) |
124 | test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available) |
110 | test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available) |
125 | |
111 | |
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112 | AC_CACHE_CHECK(for copy_file_range, ac_cv_copy_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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113 | #include <unistd.h> |
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114 | int main (void) |
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115 | { |
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116 | off64_t o1, o2; |
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117 | int res = copy_file_range (0, &o1, 1, &o2, 99, 0); |
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118 | return 0; |
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119 | } |
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120 | ]])],ac_cv_copy_file_range=yes,ac_cv_copy_file_range=no)]) |
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121 | test $ac_cv_copy_file_range = yes && AC_DEFINE(HAVE_COPY_FILE_RANGE, 1, copy_file_range(2) is available) |
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122 | |
126 | AC_CACHE_CHECK(for fallocate, ac_cv_fallocate, [AC_LINK_IFELSE([ |
123 | AC_CACHE_CHECK(for fallocate, ac_cv_linux_fallocate, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
127 | #include <fcntl.h> |
124 | #include <fcntl.h> |
128 | int main (void) |
125 | int main (void) |
129 | { |
126 | { |
130 | int fd = 0; |
127 | int fd = 0; |
131 | int mode = 0; |
128 | int mode = 0; |
… | |
… | |
133 | off_t len = 1; |
130 | off_t len = 1; |
134 | int res; |
131 | int res; |
135 | res = fallocate (fd, mode, offset, len); |
132 | res = fallocate (fd, mode, offset, len); |
136 | return 0; |
133 | return 0; |
137 | } |
134 | } |
138 | ],ac_cv_fallocate=yes,ac_cv_fallocate=no)]) |
135 | ])],ac_cv_linux_fallocate=yes,ac_cv_linux_fallocate=no)]) |
139 | test $ac_cv_fallocate = yes && AC_DEFINE(HAVE_FALLOCATE, 1, fallocate(2) is available) |
136 | test $ac_cv_linux_fallocate = yes && AC_DEFINE(HAVE_LINUX_FALLOCATE, 1, fallocate(2) is available) |
140 | |
137 | |
141 | dnl ############################################################################# |
138 | AC_CACHE_CHECK(for sys_syncfs, ac_cv_sys_syncfs, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
142 | dnl # these checks exist for the benefit of IO::AIO |
139 | #include <unistd.h> |
143 | |
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144 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
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145 | dnl functionality actually being present. ugh. |
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146 | AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([ |
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147 | #include <sys/mman.h> |
140 | #include <sys/syscall.h> |
148 | int main (void) |
141 | int main (void) |
149 | { |
142 | { |
150 | int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); |
143 | int res = syscall (__NR_syncfs, (int)0); |
151 | int a = POSIX_MADV_SEQUENTIAL; |
144 | } |
152 | int b = POSIX_MADV_RANDOM; |
145 | ])],ac_cv_sys_syncfs=yes,ac_cv_sys_syncfs=no)]) |
153 | int c = POSIX_MADV_WILLNEED; |
146 | test $ac_cv_sys_syncfs = yes && AC_DEFINE(HAVE_SYS_SYNCFS, 1, syscall(__NR_syncfs) is available) |
154 | int d = POSIX_MADV_DONTNEED; |
147 | |
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148 | AC_CACHE_CHECK(for prctl_set_name, ac_cv_prctl_set_name, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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149 | #include <sys/prctl.h> |
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150 | int main (void) |
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151 | { |
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152 | char *name = "test123"; |
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153 | int res = prctl (PR_SET_NAME, (unsigned long)name, 0, 0, 0); |
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154 | } |
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155 | ])],ac_cv_prctl_set_name=yes,ac_cv_prctl_set_name=no)]) |
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156 | test $ac_cv_prctl_set_name = yes && AC_DEFINE(HAVE_PRCTL_SET_NAME, 1, prctl(PR_SET_NAME) is available) |
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157 | |
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158 | AC_CACHE_CHECK(for posix_close, ac_cv_posix_close, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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159 | #include <unistd.h> |
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160 | int res; |
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161 | int main (void) |
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162 | { |
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163 | res = posix_close (0, 0); /* we do not need any flags */ |
155 | return 0; |
164 | return 0; |
156 | } |
165 | } |
157 | ],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)]) |
166 | ]])],ac_cv_posix_close=yes,ac_cv_posix_close=no)]) |
158 | test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available) |
167 | test $ac_cv_posix_close = yes && AC_DEFINE(HAVE_POSIX_CLOSE, 1, posix_close(2) is available) |
159 | |
168 | |
160 | AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([ |
169 | AC_CACHE_CHECK(for renameat2, ac_cv_renameat2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
161 | #define _XOPEN_SOURCE 600 |
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162 | #include <fcntl.h> |
170 | #include <unistd.h> |
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171 | #include <sys/syscall.h> |
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172 | #include <linux/fs.h> |
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173 | int res; |
163 | int main (void) |
174 | int main (void) |
164 | { |
175 | { |
165 | int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); |
176 | res = syscall (SYS_renameat2, 0, 0, 0, 0, RENAME_EXCHANGE | RENAME_NOREPLACE); |
166 | int a = POSIX_FADV_SEQUENTIAL; |
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167 | int b = POSIX_FADV_NOREUSE; |
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168 | int c = POSIX_FADV_RANDOM; |
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169 | int d = POSIX_FADV_WILLNEED; |
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170 | int e = POSIX_FADV_DONTNEED; |
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171 | return 0; |
177 | return 0; |
172 | } |
178 | } |
173 | ],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
179 | ]])],ac_cv_renameat2=yes,ac_cv_renameat2=no)]) |
174 | test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
180 | test $ac_cv_renameat2 = yes && AC_DEFINE(HAVE_RENAMEAT2, 1, renameat2(2) is available) |
175 | |
181 | |