| 1 |
AC_SEARCH_LIBS( |
| 2 |
pthread_create, |
| 3 |
[pthread pthreads pthreadVC2], |
| 4 |
, |
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[AC_MSG_ERROR(pthread functions not found)] |
| 6 |
) |
| 7 |
|
| 8 |
AC_CACHE_CHECK(for utimes, ac_cv_utimes, [AC_LINK_IFELSE([[ |
| 9 |
#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; |
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} |
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]],ac_cv_utimes=yes,ac_cv_utimes=no)]) |
| 20 |
test $ac_cv_utimes = yes && AC_DEFINE(HAVE_UTIMES, 1, utimes(2) is available) |
| 21 |
|
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AC_CACHE_CHECK(for futimes, ac_cv_futimes, [AC_LINK_IFELSE([[ |
| 23 |
#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 fd; |
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int main (void) |
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{ |
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res = futimes (fd, tv); |
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return 0; |
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} |
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]],ac_cv_futimes=yes,ac_cv_futimes=no)]) |
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test $ac_cv_futimes = yes && AC_DEFINE(HAVE_FUTIMES, 1, futimes(2) is available) |
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|
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AC_CACHE_CHECK(for readahead, ac_cv_readahead, [AC_LINK_IFELSE([ |
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#include <fcntl.h> |
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int main (void) |
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{ |
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int fd = 0; |
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size_t count = 2; |
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ssize_t res; |
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res = readahead (fd, 0, count); |
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return 0; |
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} |
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],ac_cv_readahead=yes,ac_cv_readahead=no)]) |
| 48 |
test $ac_cv_readahead = yes && AC_DEFINE(HAVE_READAHEAD, 1, readahead(2) is available (linux)) |
| 49 |
|
| 50 |
AC_CACHE_CHECK(for fdatasync, ac_cv_fdatasync, [AC_LINK_IFELSE([ |
| 51 |
#include <unistd.h> |
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int main (void) |
| 53 |
{ |
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int fd = 0; |
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fdatasync (fd); |
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return 0; |
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} |
| 58 |
],ac_cv_fdatasync=yes,ac_cv_fdatasync=no)]) |
| 59 |
test $ac_cv_fdatasync = yes && AC_DEFINE(HAVE_FDATASYNC, 1, fdatasync(2) is available) |
| 60 |
|
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AC_CACHE_CHECK(for pread and pwrite, ac_cv_preadwrite, [AC_LINK_IFELSE([ |
| 62 |
#include <unistd.h> |
| 63 |
int main (void) |
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{ |
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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; |
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} |
| 74 |
],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)]) |
| 75 |
test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available) |
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|
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AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ |
| 78 |
# include <sys/types.h> |
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#if __linux |
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# include <sys/sendfile.h> |
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#elif __FreeBSD__ || defined __APPLE__ |
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# include <sys/socket.h> |
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# include <sys/uio.h> |
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#elif __hpux |
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# include <sys/socket.h> |
| 86 |
#else |
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# error unsupported architecture |
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#endif |
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int main (void) |
| 90 |
{ |
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int fd = 0; |
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off_t offset = 1; |
| 93 |
size_t count = 2; |
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ssize_t res; |
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#if __linux |
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res = sendfile (fd, fd, offset, count); |
| 97 |
#elif __FreeBSD__ |
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res = sendfile (fd, fd, offset, count, 0, &offset, 0); |
| 99 |
#elif __hpux |
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res = sendfile (fd, fd, offset, count, 0, 0); |
| 101 |
#endif |
| 102 |
return 0; |
| 103 |
} |
| 104 |
],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) |
| 105 |
test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) |
| 106 |
|
| 107 |
AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([ |
| 108 |
#include <fcntl.h> |
| 109 |
int main (void) |
| 110 |
{ |
| 111 |
int fd = 0; |
| 112 |
off64_t offset = 1; |
| 113 |
off64_t nbytes = 1; |
| 114 |
unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER; |
| 115 |
ssize_t res; |
| 116 |
res = sync_file_range (fd, offset, nbytes, flags); |
| 117 |
return 0; |
| 118 |
} |
| 119 |
],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)]) |
| 120 |
test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available) |
| 121 |
|
| 122 |
dnl ############################################################################# |
| 123 |
dnl # these checks exist for the benefit of IO::AIO |
| 124 |
|
| 125 |
dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
| 126 |
dnl functionality actually being present. ugh. |
| 127 |
AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([ |
| 128 |
#include <sys/mman.h> |
| 129 |
int main (void) |
| 130 |
{ |
| 131 |
int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); |
| 132 |
int a = POSIX_MADV_SEQUENTIAL; |
| 133 |
int b = POSIX_MADV_RANDOM; |
| 134 |
int c = POSIX_MADV_WILLNEED; |
| 135 |
int d = POSIX_MADV_DONTNEED; |
| 136 |
return 0; |
| 137 |
} |
| 138 |
],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)]) |
| 139 |
test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available) |
| 140 |
|
| 141 |
AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([ |
| 142 |
#define _XOPEN_SOURCE 600 |
| 143 |
#include <fcntl.h> |
| 144 |
int main (void) |
| 145 |
{ |
| 146 |
int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); |
| 147 |
int a = POSIX_FADV_SEQUENTIAL; |
| 148 |
int b = POSIX_FADV_NOREUSE; |
| 149 |
int c = POSIX_FADV_RANDOM; |
| 150 |
int d = POSIX_FADV_WILLNEED; |
| 151 |
int e = POSIX_FADV_DONTNEED; |
| 152 |
return 0; |
| 153 |
} |
| 154 |
],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
| 155 |
test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
| 156 |
|
