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Comparing libeio/libeio.m4 (file contents):
Revision 1.5 by root, Mon May 12 00:31:43 2008 UTC vs.
Revision 1.9 by root, Thu Jan 7 17:18:08 2010 UTC

… …
58 return 0; 58 return 0;
59} 59}
60],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)]) 60],ac_cv_preadwrite=yes,ac_cv_preadwrite=no)])
61test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available) 61test $ac_cv_preadwrite = yes && AC_DEFINE(HAVE_PREADWRITE, 1, pread(2) and pwrite(2) are available)
62 62
63AC_CACHE_CHECK(for readdir_r, ac_cv_readdir_r, [AC_LINK_IFELSE([
64#include <dirent.h>
65int main(void)
66{
67 DIR *dir = 0;
68 struct dirent ent, *eres;
69 int res = readdir_r (dir, &ent, &eres);
70 return 0;
71}
72],ac_cv_readdir_r=yes,ac_cv_readdir_r=no)])
73test $ac_cv_readdir_r = yes && AC_DEFINE(HAVE_READDIR_R, 1, readdir_r is available)
74
75AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([ 63AC_CACHE_CHECK(for sendfile, ac_cv_sendfile, [AC_LINK_IFELSE([
76# include <sys/types.h> 64# include <sys/types.h>
77#if __linux 65#if __linux
78# include <sys/sendfile.h> 66# include <sys/sendfile.h>
79#elif __freebsd 67#elif __FreeBSD__ || defined __APPLE__
80# include <sys/socket.h> 68# include <sys/socket.h>
81# include <sys/uio.h> 69# include <sys/uio.h>
82#elif __hpux 70#elif __hpux
83# include <sys/socket.h> 71# include <sys/socket.h>
84#else 72#else
… …
90 off_t offset = 1; 78 off_t offset = 1;
91 size_t count = 2; 79 size_t count = 2;
92 ssize_t res; 80 ssize_t res;
93#if __linux 81#if __linux
94 res = sendfile (fd, fd, offset, count); 82 res = sendfile (fd, fd, offset, count);
95#elif __freebsd 83#elif __FreeBSD__
96 res = sendfile (fd, fd, offset, count, 0, &offset, 0); 84 res = sendfile (fd, fd, offset, count, 0, &offset, 0);
97#elif __hpux 85#elif __hpux
98 res = sendfile (fd, fd, offset, count, 0, 0); 86 res = sendfile (fd, fd, offset, count, 0, 0);
99#endif 87#endif
100 return 0; 88 return 0;
101} 89}
102],ac_cv_sendfile=yes,ac_cv_sendfile=no)]) 90],ac_cv_sendfile=yes,ac_cv_sendfile=no)])
103test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported) 91test $ac_cv_sendfile = yes && AC_DEFINE(HAVE_SENDFILE, 1, sendfile(2) is available and supported)
104 92
93AC_CACHE_CHECK(for sync_file_range, ac_cv_sync_file_range, [AC_LINK_IFELSE([
94#include <fcntl.h>
95int main(void)
96{
97 int fd = 0;
98 off64_t offset = 1;
99 off64_t nbytes = 1;
100 unsigned int flags = SYNC_FILE_RANGE_WAIT_BEFORE|SYNC_FILE_RANGE_WRITE|SYNC_FILE_RANGE_WAIT_AFTER;
101 ssize_t res;
102 res = sync_file_range (fd, offset, nbytes, flags);
103 return 0;
104}
105],ac_cv_sync_file_range=yes,ac_cv_sync_file_range=no)])
106test $ac_cv_sync_file_range = yes && AC_DEFINE(HAVE_SYNC_FILE_RANGE, 1, sync_file_range(2) is available)
107

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