Infinite loop countermeasures

[glassmonkey]

It hangs in an infinite loop code as follows.

<?php
while(true) {
    echo(1);
}

[glassmonkey]

#17

As a provisional response, add a wait animation.

As an essential response, have Wasm run in a Web Worker and run in a separate thread.

[sk33wiff]

It would be nice to be able to change max-execution-time and apply it on the fly.

[Nelwhix]

@glassmonkey Sorry just curious but how will Web workers solve the infinite loop problem

[nsfisis]

Even if PHP code is executed in a separate worker thread, time limit seems to be required to limit the usage of CPU.

Setting a provisional upper limit could mitigate the problem.

--- i/src/wasm/build-assets/php_wasm.c
+++ w/src/wasm/build-assets/php_wasm.c
@@ -206,7 +206,7 @@ const char WASM_HARDCODED_INI[] =
        "session.save_path = /home/web_user\n"
        "implicit_flush = 1\n"
        "output_buffering = 0\n"
-       "max_execution_time = 0\n"
+       "max_execution_time = 60\n"
        "max_input_time = -1\n\0"
 ;