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|
/*
+----------------------------------------------------------------------+
| PHP Version 7 |
+----------------------------------------------------------------------+
| Copyright (c) 2014-2018 The PHP Group |
+----------------------------------------------------------------------+
| This source file is subject to version 3.01 of the PHP license, |
| that is bundled with this package in the file LICENSE, and is |
| available through the world-wide-web at the following url: |
| http://www.php.net/license/3_01.txt |
| If you did not receive a copy of the PHP license and are unable to |
| obtain it through the world-wide-web, please send a note to |
| license@php.net so we can mail you a copy immediately. |
+----------------------------------------------------------------------+
| Authors: Anatol Belski <ab@php.net> |
+----------------------------------------------------------------------+
*/
#include <signal.h>
#include "phpdbg.h"
#include "phpdbg_sigio_win32.h"
ZEND_EXTERN_MODULE_GLOBALS(phpdbg)
VOID
SigIoWatcherThread(VOID *p)
{
zend_uchar sig;
struct win32_sigio_watcher_data *swd = (struct win32_sigio_watcher_data *)p;
top:
(void)phpdbg_consume_bytes(swd->fd, &sig, 1, -1);
if (3 == sig) {
/* XXX completely not sure it is done right here */
if (*swd->flags & PHPDBG_IS_INTERACTIVE) {
if (raise(sig)) {
goto top;
}
}
if (*swd->flags & PHPDBG_IS_SIGNALED) {
phpdbg_set_sigsafe_mem(&sig);
zend_try {
phpdbg_force_interruption();
} zend_end_try();
phpdbg_clear_sigsafe_mem();
goto end;
}
if (!(*swd->flags & PHPDBG_IS_INTERACTIVE)) {
*swd->flags |= PHPDBG_IS_SIGNALED;
}
end:
/* XXX set signaled flag to the caller thread, question is - whether it's needed */
ExitThread(sig);
} else {
goto top;
}
}
/* Start this only for the time of the run or eval command,
for so long that the main thread is busy serving some debug
session. */
void
sigio_watcher_start(void)
{
PHPDBG_G(swd).fd = PHPDBG_G(io)[PHPDBG_STDIN].fd;
#ifdef ZTS
PHPDBG_G(swd).flags = &PHPDBG_G(flags);
#endif
PHPDBG_G(sigio_watcher_thread) = CreateThread(
NULL,
0,
(LPTHREAD_START_ROUTINE)SigIoWatcherThread,
&PHPDBG_G(swd),
0,
NULL);
}
void
sigio_watcher_stop(void)
{
DWORD waited;
if (INVALID_HANDLE_VALUE == PHPDBG_G(sigio_watcher_thread)) {
/* it probably did bail out already */
return;
}
waited = WaitForSingleObject(PHPDBG_G(sigio_watcher_thread), 300);
if (WAIT_OBJECT_0 != waited) {
if (!CancelSynchronousIo(PHPDBG_G(sigio_watcher_thread))) {
/* error out */
}
if (!TerminateThread(PHPDBG_G(sigio_watcher_thread), 0)) {
/* error out */
}
}
PHPDBG_G(swd).fd = -1;
PHPDBG_G(sigio_watcher_thread) = INVALID_HANDLE_VALUE;
}
|
