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Dion Hulse e4a147150e Rewrite insert_with_markers() to use flock() when available, significant cleanup of the function too.
The call to `flock()` is an exclusive advisory lock, which in my testing only PHP respects (apache continues to read it).
Not all filesystems support locking (remote NFS mounts for example) so this offers minimal benefit to those platforms, but offers much better protection against file corruption on systems which do support it.
The call is blocking, so a second process will wait for the first to complete before writing if supported.

See #31767


git-svn-id: https://develop.svn.wordpress.org/trunk@34740 602fd350-edb4-49c9-b593-d223f7449a82
2015-10-01 07:45:35 +00:00
src Rewrite insert_with_markers() to use flock() when available, significant cleanup of the function too. 2015-10-01 07:45:35 +00:00
tests WPDB: Allow null values in the CRUD functions. 2015-10-01 05:36:15 +00:00
tools/i18n i18n tools: Use https for msgid-bugs-address URLs. 2015-07-27 19:37:13 +00:00
.editorconfig Use HTTPS URLs for codex.wordpress.org. 2015-04-12 21:28:58 +00:00
.gitignore Ignore .DS_Store files. 2015-03-13 18:11:33 +00:00
.jshintrc Update grunt-contrib-jshint to 0.11.0 2015-03-06 21:07:35 +00:00
.travis.yml Move travis secure token under rooms 2015-09-26 00:03:24 +00:00
Gruntfile.js Speed up browserify builds, don't uglify the media builds on watch. 2015-09-09 02:11:23 +00:00
package.json Build Tools: Update grunt-contrib-uglify to 0.9.2. 2015-08-25 03:27:23 +00:00
phpunit.xml.dist Exclude external-http tests when running phpunit. 2014-11-10 14:48:28 +00:00
wp-cli.yml Introduce default wp-cli.yml for core development. 2014-04-30 21:35:18 +00:00
wp-config-sample.php Lightly clean up and improve inline documentation in wp-config-sample.php. 2015-05-10 00:05:30 +00:00
wp-tests-config-sample.php Update wp-tests-config-sample.php to run with WP_DEBUG by default. see #25282. 2013-09-23 16:17:59 +00:00