1 | AC_INIT |
1 | AC_INIT |
2 | AC_CONFIG_SRCDIR([libeio/eio.h]) |
2 | AC_CONFIG_SRCDIR([libeio/eio.h]) |
3 | AC_CONFIG_HEADERS([libeio/config.h]) |
3 | AC_CONFIG_HEADERS([config.h]) |
4 | |
4 | |
5 | AC_PREREQ(2.60) |
5 | AC_PREREQ(2.60) |
6 | AC_USE_SYSTEM_EXTENSIONS |
6 | AC_USE_SYSTEM_EXTENSIONS |
7 | |
7 | |
8 | AC_PROG_CC |
8 | AC_PROG_CC |
9 | |
9 | |
10 | m4_include([libeio/libeio.m4]) |
10 | m4_include([libeio/libeio.m4]) |
11 | |
11 | |
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12 | # for these to work, you need to run autoheader in IO::AIO, not libeio :( |
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13 | |
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14 | AC_CACHE_CHECK(for set/getrlimit, ac_cv_rlimits, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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15 | #include <sys/time.h> |
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16 | #include <sys/resource.h> |
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17 | int main (void) |
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18 | { |
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19 | struct rlimit srl; |
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20 | int res; |
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21 | srl.rlim_cur = srl.rlim_max = RLIM_INFINITY; |
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22 | res = getrlimit (RLIMIT_NOFILE, &srl); |
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23 | res = setrlimit (RLIMIT_NOFILE, &srl); |
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24 | return 0; |
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25 | } |
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26 | ]])],ac_cv_rlimits=yes,ac_cv_rlimits=no)]) |
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27 | test $ac_cv_rlimits = yes && AC_DEFINE(HAVE_RLIMITS, 1, setrlimit/getrlimit is available) |
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28 | |
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29 | dnl at least uclibc defines _POSIX_ADVISORY_INFO without *any* of the required |
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30 | dnl functionality actually being present. ugh. |
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31 | AC_CACHE_CHECK(for posix_madvise, ac_cv_posix_madvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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32 | #include <sys/mman.h> |
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33 | int main (void) |
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34 | { |
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35 | int res = posix_madvise ((void *)0, (size_t)0, POSIX_MADV_NORMAL); |
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36 | int a = POSIX_MADV_SEQUENTIAL; |
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37 | int b = POSIX_MADV_RANDOM; |
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38 | int c = POSIX_MADV_WILLNEED; |
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39 | int d = POSIX_MADV_DONTNEED; |
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40 | return 0; |
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41 | } |
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42 | ])],ac_cv_posix_madvise=yes,ac_cv_posix_madvise=no)]) |
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43 | test $ac_cv_posix_madvise = yes && AC_DEFINE(HAVE_POSIX_MADVISE, 1, posix_madvise(2) is available) |
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44 | |
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45 | AC_CACHE_CHECK(for posix_fadvise, ac_cv_posix_fadvise, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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46 | #define _XOPEN_SOURCE 600 |
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47 | #include <fcntl.h> |
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48 | int main (void) |
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49 | { |
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50 | int res = posix_fadvise ((int)0, (off_t)0, (off_t)0, POSIX_FADV_NORMAL); |
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51 | int a = POSIX_FADV_SEQUENTIAL; |
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52 | int b = POSIX_FADV_NOREUSE; |
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53 | int c = POSIX_FADV_RANDOM; |
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54 | int d = POSIX_FADV_WILLNEED; |
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55 | int e = POSIX_FADV_DONTNEED; |
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56 | return 0; |
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57 | } |
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58 | ])],ac_cv_posix_fadvise=yes,ac_cv_posix_fadvise=no)]) |
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59 | test $ac_cv_posix_fadvise = yes && AC_DEFINE(HAVE_POSIX_FADVISE, 1, posix_fadvise(2) is available) |
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60 | |
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61 | dnl lots of linux specifics |
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62 | AC_CHECK_HEADERS([linux/fs.h linux/fiemap.h]) |
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63 | |
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64 | dnl glibc major/minor macros |
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65 | AC_CHECK_HEADERS([sys/sysmacros.h]) |
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66 | |
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67 | dnl solaris major/minor |
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68 | AC_CHECK_HEADERS([sys/mkdev.h]) |
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69 | |
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70 | dnl readv / preadv, vmsplice |
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71 | AC_CHECK_HEADERS([sys/uio.h]) |
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72 | |
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73 | dnl fexecve has always been in the single unix specification |
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74 | dnl but some atrocities (like opsnbsd and osx) claim implementing it |
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75 | dnl but then not definining it. ugh. garbage. and fexecve would be |
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76 | dnl useful for security, but, no, not on openbsd. we'd rather lie |
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77 | dnl about it. |
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78 | AC_CACHE_CHECK(for fexecve, ac_cv_fexecve, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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79 | #include <fcntl.h> |
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80 | #include <unistd.h> |
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81 | int main (void) |
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82 | { |
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83 | int res = fexecve (-1, "argv", 0); |
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84 | return 0; |
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85 | } |
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86 | ]])],ac_cv_fexecve=yes,ac_cv_fexecve=no)]) |
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87 | test $ac_cv_fexecve = yes && AC_DEFINE(HAVE_FEXECVE, 1, fexecve(2) is available) |
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88 | |
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89 | AC_CACHE_CHECK([for siginfo_t], ac_cv_siginfo_t, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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90 | #include <signal.h> |
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91 | int main (void) |
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92 | { |
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93 | siginfo_t si; |
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94 | si.si_code; |
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95 | si.si_pid; |
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96 | si.si_uid; |
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97 | si.si_value.sival_int; |
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98 | si.si_value.sival_ptr; |
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99 | return 0; |
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100 | } |
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101 | ])],ac_cv_siginfo_t=yes,ac_cv_siginfo_t=no)]) |
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102 | test $ac_cv_siginfo_t = yes && AC_DEFINE(HAVE_SIGINFO_T, 1, have siginfo_t in signal.h) |
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103 | |
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104 | AC_CACHE_CHECK([for unix-style syscall interface], ac_cv_syscall, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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105 | #include <unistd.h> |
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106 | #include <sys/syscall.h> |
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107 | int main (void) |
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108 | { |
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109 | long res = syscall (SYS_exit, 0); |
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110 | return 0; |
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111 | } |
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112 | ])],ac_cv_syscall=yes,ac_cv_syscall=no)]) |
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113 | test $ac_cv_syscall = yes && AC_DEFINE(HAVE_SYSCALL, 1, unix syscall interface) |
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114 | |
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115 | AC_CACHE_CHECK([for splice, vmsplice and tee], ac_cv_linux_splice, [AC_LINK_IFELSE([AC_LANG_SOURCE([ |
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116 | #include <sys/types.h> |
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117 | #include <fcntl.h> |
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118 | #include <sys/uio.h> |
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119 | int main (void) |
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120 | { |
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121 | ssize_t res; |
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122 | 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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123 | res = tee ((int)0, (int)0, (size_t)0, SPLICE_F_NONBLOCK); |
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124 | res = vmsplice ((int)0, (struct iovec *)0, 0, SPLICE_F_NONBLOCK | SPLICE_F_GIFT); |
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125 | return 0; |
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126 | } |
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127 | ])],ac_cv_linux_splice=yes,ac_cv_linux_splice=no)]) |
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128 | test $ac_cv_linux_splice = yes && AC_DEFINE(HAVE_LINUX_SPLICE, 1, splice/vmsplice/tee(2) are available) |
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129 | |
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130 | AC_CACHE_CHECK(for pipe2, ac_cv_pipe2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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131 | #include <fcntl.h> |
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132 | #include <unistd.h> |
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133 | int main (void) |
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134 | { |
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135 | int res; |
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136 | res = pipe2 (0, 0); |
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137 | return 0; |
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138 | } |
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139 | ]])],ac_cv_pipe2=yes,ac_cv_pipe2=no)]) |
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140 | test $ac_cv_pipe2 = yes && AC_DEFINE(HAVE_PIPE2, 1, pipe2(2) is available) |
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141 | |
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142 | AC_CACHE_CHECK(for eventfd, ac_cv_eventfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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143 | #include <sys/eventfd.h> |
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144 | int main (void) |
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145 | { |
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146 | int res; |
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147 | res = eventfd (1, EFD_CLOEXEC | EFD_NONBLOCK); |
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148 | return 0; |
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149 | } |
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150 | ]])],ac_cv_eventfd=yes,ac_cv_eventfd=no)]) |
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151 | test $ac_cv_eventfd = yes && AC_DEFINE(HAVE_EVENTFD, 1, eventfd(2) is available) |
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152 | |
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153 | AC_CACHE_CHECK(for timerfd_*, ac_cv_timerfd, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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154 | #include <sys/timerfd.h> |
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155 | int main (void) |
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156 | { |
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157 | struct itimerspec its; |
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158 | int res; |
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159 | res = timerfd_create (CLOCK_REALTIME, TFD_CLOEXEC | TFD_NONBLOCK); |
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160 | res = timerfd_settime (res, TFD_TIMER_ABSTIME /*| TFD_TIMER_CANCEL_ON_SET*/, &its, 0); |
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161 | res = timerfd_gettime (res, &its); |
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162 | return 0; |
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163 | } |
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164 | ]])],ac_cv_timerfd=yes,ac_cv_timerfd=no)]) |
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165 | test $ac_cv_timerfd = yes && AC_DEFINE(HAVE_TIMERFD, 1, timerfd_*(2) are available) |
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166 | |
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167 | AC_CACHE_CHECK(for memfd_create, ac_cv_memfd_create, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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168 | #include <sys/mman.h> |
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169 | int main (void) |
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170 | { |
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171 | int res = memfd_create ("name", MFD_CLOEXEC | MFD_ALLOW_SEALING); |
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172 | return 0; |
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173 | } |
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174 | ]])],ac_cv_memfd_create=yes,ac_cv_memfd_create=no)]) |
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175 | test $ac_cv_memfd_create = yes && AC_DEFINE(HAVE_MEMFD_CREATE, 1, memfd_create(2) is available) |
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176 | |
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177 | AC_CACHE_CHECK(for copy_file_range, ac_cv_copy_file_range, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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178 | #include <unistd.h> |
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179 | #include <sys/syscall.h> |
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180 | /*#include <linux/copy.h>*/ |
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181 | int main (void) |
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182 | { |
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183 | int res; |
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184 | /*res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, COPY_FR_REFLINK | COPY_FR_DEDUP | COPY_FR_COPY);*/ |
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185 | res = syscall (SYS_copy_file_range, 0, 0, 0, 0, 0, 0); |
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186 | return 0; |
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187 | } |
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188 | ]])],ac_cv_copy_file_range=yes,ac_cv_copy_file_range=no)]) |
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189 | test $ac_cv_copy_file_range = yes && AC_DEFINE(HAVE_COPY_FILE_RANGE, 1, copy_file_range(2) is available) |
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190 | |
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191 | AC_CACHE_CHECK(for st_xtimensec, ac_cv_xtimensec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
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192 | #include "EXTERN.h" |
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193 | #include "perl.h" |
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194 | #include "XSUB.h" |
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195 | |
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196 | int main (void) |
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197 | { |
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198 | return PL_statcache.st_atimensec |
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199 | + PL_statcache.st_mtimensec |
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200 | + PL_statcache.st_ctimensec; |
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201 | } |
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202 | ]])],ac_cv_xtimensec=yes,ac_cv_xtimensec=no)]) |
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203 | test $ac_cv_xtimensec = yes && AC_DEFINE(HAVE_ST_XTIMENSEC, 1, stat nanosecond access by st_xtimensec) |
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204 | |
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205 | AC_CACHE_CHECK(for st_xtimespec, ac_cv_xtimespec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
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206 | #include "EXTERN.h" |
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207 | #include "perl.h" |
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208 | #include "XSUB.h" |
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209 | |
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210 | int main (void) |
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211 | { |
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212 | return PL_statcache.st_atim.tv_nsec |
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213 | + PL_statcache.st_mtim.tv_nsec |
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214 | + PL_statcache.st_ctim.tv_nsec; |
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215 | } |
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216 | ]])],ac_cv_xtimespec=yes,ac_cv_xtimespec=no)]) |
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217 | test $ac_cv_xtimespec = yes && AC_DEFINE(HAVE_ST_XTIMESPEC, 1, stat nanosecond access by st_xtimespec) |
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218 | |
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219 | # apparently, True64 uses st_u[amc]time, aix uses at_[amc]time_n and apple uses st_[amc,birth]timespec? |
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220 | |
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221 | AC_CACHE_CHECK(for st_birthtimensec, ac_cv_birthtimensec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
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222 | #include "EXTERN.h" |
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223 | #include "perl.h" |
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224 | #include "XSUB.h" |
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225 | |
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226 | int main (void) |
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227 | { |
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228 | return PL_statcache.st_birthtime + PL_statcache.st_birthtimensec; |
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229 | } |
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230 | ]])],ac_cv_birthtimensec=yes,ac_cv_birthtimensec=no)]) |
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231 | test $ac_cv_birthtimensec = yes && AC_DEFINE(HAVE_ST_BIRTHTIMENSEC, 1, birthtime nanosecond access by st_birthtimensec) |
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232 | |
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233 | AC_CACHE_CHECK(for st_birthtimespec, ac_cv_birthtimespec, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
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234 | #include "EXTERN.h" |
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235 | #include "perl.h" |
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236 | #include "XSUB.h" |
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237 | |
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238 | int main (void) |
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239 | { |
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240 | return PL_statcache.st_birthtim.tv_sec + PL_statcache.st_birthtim.tv_nsec; |
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241 | } |
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242 | ]])],ac_cv_birthtimespec=yes,ac_cv_birthtimespec=no)]) |
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243 | test $ac_cv_birthtimespec = yes && AC_DEFINE(HAVE_ST_BIRTHTIMESPEC, 1, birthtime nanosecond access by st_birthtimespec) |
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244 | |
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245 | AC_CACHE_CHECK(for st_gen, ac_cv_st_gen, [AC_COMPILE_IFELSE([AC_LANG_SOURCE([[ |
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246 | #include "EXTERN.h" |
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247 | #include "perl.h" |
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248 | #include "XSUB.h" |
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249 | |
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250 | int main (void) |
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251 | { |
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252 | return PL_statcache.st_gen; |
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253 | } |
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254 | ]])],ac_cv_st_gen=yes,ac_cv_st_gen=no)]) |
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255 | test $ac_cv_st_gen = yes && AC_DEFINE(HAVE_ST_GEN, 1, stat st_gen member) |
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256 | |
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257 | AC_CACHE_CHECK(for statx, ac_cv_statx, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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258 | #include <sys/types.h> |
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259 | #include <sys/stat.h> |
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260 | #include <unistd.h> |
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261 | #include <fcntl.h> |
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262 | int res; |
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263 | int main (void) |
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264 | { |
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265 | struct statx sx; |
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266 | int res; |
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267 | res = statx (AT_FDCWD, ".", |
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268 | AT_EMPTY_PATH | AT_NO_AUTOMOUNT | AT_SYMLINK_NOFOLLOW | AT_STATX_SYNC_AS_STAT | AT_STATX_FORCE_SYNC | AT_STATX_DONT_SYNC, |
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269 | STATX_ALL, &sx); |
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270 | STATX_TYPE; STATX_MODE; STATX_NLINK; STATX_UID; STATX_GID; STATX_ATIME; STATX_MTIME; STATX_CTIME; |
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271 | STATX_INO; STATX_SIZE; STATX_BLOCKS; STATX_BASIC_STATS; STATX_BTIME; STATX_ALL; |
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272 | STATX_ATTR_COMPRESSED; STATX_ATTR_IMMUTABLE; STATX_ATTR_APPEND; STATX_ATTR_NODUMP; STATX_ATTR_ENCRYPTED; |
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273 | return 0; |
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274 | } |
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275 | ]])],ac_cv_statx=yes,ac_cv_statx=no)]) |
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276 | test $ac_cv_statx = yes && AC_DEFINE(HAVE_STATX, 1, statx(2) is available) |
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277 | |
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278 | AC_CACHE_CHECK(for accept4, ac_cv_accept4, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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279 | #include <sys/types.h> |
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280 | #include <sys/socket.h> |
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281 | int main (void) |
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282 | { |
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283 | int res = accept4 (1, (struct sockaddr *)0, (socklen_t)0, SOCK_NONBLOCK | SOCK_CLOEXEC); |
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284 | return 0; |
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285 | } |
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286 | ]])],ac_cv_accept4=yes,ac_cv_accept4=no)]) |
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287 | test $ac_cv_accept4 = yes && AC_DEFINE(HAVE_ACCEPT4, 1, accept4(2) is available) |
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288 | |
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289 | AC_CHECK_HEADERS([sys/mount.h]) |
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290 | AC_CACHE_CHECK(for mount, ac_cv_mount, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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291 | #include <sys/mount.h> |
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292 | int main (void) |
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293 | { |
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294 | int res = mount ("path", "path", "fstype", MS_RDONLY, 0); |
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295 | return 0; |
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296 | } |
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297 | ]])],ac_cv_mount=yes,ac_cv_mount=no)]) |
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298 | test $ac_cv_mount = yes && AC_DEFINE(HAVE_MOUNT, 1, mount is available) |
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299 | AC_CACHE_CHECK(for umount, ac_cv_umount, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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300 | #include <sys/mount.h> |
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301 | int main (void) |
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302 | { |
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303 | int res = umount ("path"); |
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304 | return 0; |
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305 | } |
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306 | ]])],ac_cv_umount=yes,ac_cv_umount=no)]) |
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307 | test $ac_cv_umount = yes && AC_DEFINE(HAVE_UMOUNT, 1, umount is available) |
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308 | AC_CACHE_CHECK(for umount2, ac_cv_umount2, [AC_LINK_IFELSE([AC_LANG_SOURCE([[ |
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309 | #include <sys/mount.h> |
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310 | int main (void) |
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311 | { |
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312 | int res = umount2 ("path", MNT_FORCE|MNT_DETACH); |
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313 | return 0; |
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314 | } |
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315 | ]])],ac_cv_umount2=yes,ac_cv_umount2=no)]) |
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316 | test $ac_cv_umount2 = yes && AC_DEFINE(HAVE_UMOUNT2, 1, umount2 is available) |
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317 | |
12 | AC_OUTPUT |
318 | AC_OUTPUT |
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319 | |