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| author | Ben Gamari <ben@smart-cactus.org> | 2017-10-26 10:40:11 -0400 |
|---|---|---|
| committer | Ben Gamari <ben@smart-cactus.org> | 2017-10-26 11:10:09 -0400 |
| commit | 1cd7473f8e800a99e95180579480a0e62e98040b (patch) | |
| tree | 5ea75778771ac0089a93f1e2cf3e52e1e9fcf526 /libraries/base/configure.ac | |
| parent | 2f11b17af7ef8f1b5f518dff7dbae6173e7d0515 (diff) | |
| download | haskell-wip/nfs-locking.tar.gz | |
base: Implement file locking in terms of POSIX lockswip/nfs-locking
Hopefully these are more robust to NFS malfunction than BSD flock-style locks.
See #13945.
Diffstat (limited to 'libraries/base/configure.ac')
| -rw-r--r-- | libraries/base/configure.ac | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/libraries/base/configure.ac b/libraries/base/configure.ac index af041a7ad5..69ea800a7f 100644 --- a/libraries/base/configure.ac +++ b/libraries/base/configure.ac @@ -69,7 +69,12 @@ if test "$ac_cv_header_poll_h" = yes && test "$ac_cv_func_poll" = yes; then AC_DEFINE([HAVE_POLL], [1], [Define if you have poll support.]) fi -#flock +# Linux open file description locks +AC_CHECK_DECL([F_OFD_SETLK], [ + AC_DEFINE([HAVE_OFD_LOCKING], [1], [Define if you have open file descriptor lock support.]) +]) + +# flock AC_CHECK_FUNCS([flock]) if test "$ac_cv_header_sys_file_h" = yes && test "$ac_cv_func_flock" = yes; then AC_DEFINE([HAVE_FLOCK], [1], [Define if you have flock support.]) |