Bug #71433 [NEW]: Basic usage of pcntl_signal causes segfault

From: dannykopping at gmail dot com Operating system: OSX Yosemite PHP version: 5.5.31 Package: PCNTL related Bug Type: Bug Bug description:Basic usage of pcntl_signal causes segfault Description: ------------ Using the simple pcntl_signal example from the documentation, this produces a segfault. Installed PHP modules: [PHP Modules] bcmath blackfire bz2 calendar Core ctype curl date dba dom ereg exif fileinfo filter ftp gd gearman gettext hash iconv intl json ldap libxml mbstring mcrypt memcache mhash mysql mysqli mysqlnd odbc openssl pcntl pcre PDO pdo_mysql PDO_ODBC pdo_sqlite phalcon Phar posix readline Reflection session shmop SimpleXML soap sockets sphinx SPL sqlite3 ssh2 standard sysvmsg sysvsem sysvshm tokenizer wddx xdebug xhprof xml xmlreader xmlrpc xmlwriter xsl zip zlib [Zend Modules] Xdebug blackfire Test script: --------------- <?php // tick use required as of PHP 4.3.0 declare(ticks = 1); // signal handler function function sig_handler($signo) { switch ($signo) { case SIGTERM: // handle shutdown tasks exit; break; case SIGHUP: // handle restart tasks break; case SIGUSR1: echo "Caught SIGUSR1...\n"; break; default: // handle all other signals } } echo "Installing signal handler...\n"; // setup signal handlers pcntl_signal(SIGTERM, "sig_handler"); pcntl_signal(SIGHUP, "sig_handler"); pcntl_signal(SIGUSR1, "sig_handler"); // or use an object, available as of PHP 4.3.0 // pcntl_signal(SIGUSR1, array($obj, "do_something")); echo"Generating signal SIGUSR1 to self...\n"; // send SIGUSR1 to current process id // posix_* functions require the posix extension posix_kill(posix_getpid(), SIGUSR1); echo "Done\n"; Expected result: ---------------- I would expect the signal to be handled as it is on ubuntu Actual result: -------------- A segmentation fault occurs. -- Edit bug report at https://bugs.php.net/bug.php?id=71433&edit=1 -- Try a snapshot (PHP 5.4): https://bugs.php.net/fix.php?id=71433&r=trysnapshot54 Try a snapshot (PHP 5.5): https://bugs.php.net/fix.php?id=71433&r=trysnapshot55 Try a snapshot (trunk): https://bugs.php.net/fix.php?id=71433&r=trysnapshottrunk Fixed in SVN: https://bugs.php.net/fix.php?id=71433&r=fixed Fixed in release: https://bugs.php.net/fix.php?id=71433&r=alreadyfixed Need backtrace: https://bugs.php.net/fix.php?id=71433&r=needtrace Need Reproduce Script: https://bugs.php.net/fix.php?id=71433&r=needscript Try newer version: https://bugs.php.net/fix.php?id=71433&r=oldversion Not developer issue: https://bugs.php.net/fix.php?id=71433&r=support Expected behavior: https://bugs.php.net/fix.php?id=71433&r=notwrong Not enough info: https://bugs.php.net/fix.php?id=71433&r=notenoughinfo Submitted twice: https://bugs.php.net/fix.php?id=71433&r=submittedtwice register_globals: https://bugs.php.net/fix.php?id=71433&r=globals PHP 4 support discontinued: https://bugs.php.net/fix.php?id=71433&r=php4 Daylight Savings: https://bugs.php.net/fix.php?id=71433&r=dst IIS Stability: https://bugs.php.net/fix.php?id=71433&r=isapi Install GNU Sed: https://bugs.php.net/fix.php?id=71433&r=gnused Floating point limitations: https://bugs.php.net/fix.php?id=71433&r=float No Zend Extensions: https://bugs.php.net/fix.php?id=71433&r=nozend MySQL Configuration Error: https://bugs.php.net/fix.php?id=71433&r=mysqlcfg