Bug #66908 [Opn->Csd]: epoll_create descriptors leaked after php5-fpm reload

Edit report at https://bugs.php.net/bug.php?id=66908&edit=1 ID: 66908 Updated by: stas@php.net Reported by: jpintos at gmail dot com Summary: epoll_create descriptors leaked after php5-fpm reload -Status: Open +Status: Closed Type: Bug Package: FPM related Operating System: linux PHP Version: 5.4.26 Block user comment: N Private report: N New Comment: Automatic comment on behalf of julio.pintos@avature.net Revision: http://git.php.net/?p=php-src.git;a=commit;h=49341e992ad7f8eb7f94d4c946fb74f8e33e7e75 Log: Fix #66908: php-fpm reload leaks epoll_create() file descriptor Previous Comments: ------------------------------------------------------------------------ [2014-03-14 20:12:57] jpintos at gmail dot com Description: ------------ (in ubuntu 12.04) Steps to reproduce: $ sudo service php5-fpm reload $ sudo lsof -p (fpm master pid) | wc -l repeat steps above From strace: epoll_wait(103, {}, 1, 1000) = 0 ... // 103 is the fd of the epoll file descriptor returned by epoll_create) ... clone(Process 10668 attached child_stack=0x7f662c16fff0, flags=CLONE_VM|CLONE_FS|CLONE_FILES|CLONE_SIGHAND|CLONE_THREAD|CLONE_SYSVSEM|CLONE_SETTLS|CLONE_PARENT_SETTID|CLONE_CHILD_CLEARTID, parent_tidptr=0x7f662c1709d0, tls=0x7f662c170700, child_tidptr=0x7f662c1709d0) = 10668 ... clone(Process 10671 attached child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f664c1509d0) = 10671 [pid 10671] epoll_create(2 <unfinished ...> [pid 10671] <... epoll_create resumed> ) = 104 ... [pid 10671] epoll_wait(104, <unfinished ...> [pid 10671] <... epoll_wait resumed> {}, 1, 1000) = 0 In lsof: php5-fpm 10671 root 103u 0000 0,9 0 9882 anon_inode php5-fpm 10671 root 104u 0000 0,9 0 9882 anon_inode Expected result: ---------------- Number of open file descriptors should not consistently increase after each reload ------------------------------------------------------------------------ -- Edit this bug report at https://bugs.php.net/bug.php?id=66908&edit=1