mirror of
https://github.com/php/php-src.git
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110 lines
2.8 KiB
C
110 lines
2.8 KiB
C
/*
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+----------------------------------------------------------------------+
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| Copyright (c) The PHP Group |
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+----------------------------------------------------------------------+
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| This source file is subject to version 3.01 of the PHP license, |
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| that is bundled with this package in the file LICENSE, and is |
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| available through the world-wide-web at the following url: |
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| http://www.php.net/license/3_01.txt |
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| If you did not receive a copy of the PHP license and are unable to |
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| obtain it through the world-wide-web, please send a note to |
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| license@php.net so we can mail you a copy immediately. |
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+----------------------------------------------------------------------+
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| Authors: Anatol Belski <ab@php.net> |
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+----------------------------------------------------------------------+
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*/
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#include <signal.h>
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#include "phpdbg.h"
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#include "phpdbg_sigio_win32.h"
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ZEND_EXTERN_MODULE_GLOBALS(phpdbg)
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VOID
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SigIoWatcherThread(VOID *p)
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{
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zend_uchar sig;
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struct win32_sigio_watcher_data *swd = (struct win32_sigio_watcher_data *)p;
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top:
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(void)phpdbg_consume_bytes(swd->fd, &sig, 1, -1);
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if (3 == sig) {
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/* XXX completely not sure it is done right here */
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if (*swd->flags & PHPDBG_IS_INTERACTIVE) {
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if (raise(sig)) {
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goto top;
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}
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}
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if (*swd->flags & PHPDBG_IS_SIGNALED) {
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phpdbg_set_sigsafe_mem(&sig);
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zend_try {
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phpdbg_force_interruption();
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} zend_end_try();
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phpdbg_clear_sigsafe_mem();
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goto end;
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}
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if (!(*swd->flags & PHPDBG_IS_INTERACTIVE)) {
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*swd->flags |= PHPDBG_IS_SIGNALED;
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}
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end:
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/* XXX set signaled flag to the caller thread, question is - whether it's needed */
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ExitThread(sig);
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} else {
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goto top;
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}
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}
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/* Start this only for the time of the run or eval command,
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for so long that the main thread is busy serving some debug
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session. */
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void
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sigio_watcher_start(void)
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{
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PHPDBG_G(swd).fd = PHPDBG_G(io)[PHPDBG_STDIN].fd;
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#ifdef ZTS
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PHPDBG_G(swd).flags = &PHPDBG_G(flags);
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#endif
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PHPDBG_G(sigio_watcher_thread) = CreateThread(
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NULL,
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0,
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(LPTHREAD_START_ROUTINE)SigIoWatcherThread,
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&PHPDBG_G(swd),
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0,
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NULL);
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}
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void
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sigio_watcher_stop(void)
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{
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DWORD waited;
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if (INVALID_HANDLE_VALUE == PHPDBG_G(sigio_watcher_thread)) {
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/* it probably did bail out already */
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return;
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}
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waited = WaitForSingleObject(PHPDBG_G(sigio_watcher_thread), 300);
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if (WAIT_OBJECT_0 != waited) {
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if (!CancelSynchronousIo(PHPDBG_G(sigio_watcher_thread))) {
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/* error out */
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}
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if (!TerminateThread(PHPDBG_G(sigio_watcher_thread), 0)) {
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/* error out */
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}
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}
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PHPDBG_G(swd).fd = -1;
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PHPDBG_G(sigio_watcher_thread) = INVALID_HANDLE_VALUE;
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}
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