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Fix #79650: php-win.exe 100% cpu lockup

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As of PHP 7.3.0, `sapi_cli_single_write()` is supposed to return `< 0`
on failure, but `fwrite()` returns a `size_t`, and signals error by
setting the stream's error indicator.  We have to cater to that.
This commit is contained in:
Christoph M. Becker 2020-05-31 13:28:09 +02:00
parent 744f9016c4
commit 923c45bdca
2 changed files with 5 additions and 0 deletions
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2
NEWS
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@ -2,6 +2,8 @@ PHP NEWS
|||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
?? ??? ????, PHP 7.3.20
- Core:
. Fixed bug #79650 (php-win.exe 100% cpu lockup). (cmb)
?? ??? ????, PHP 7.3.19

3
sapi/cli/php_cli.c
View File

@ -279,6 +279,9 @@ PHP_CLI_API ssize_t sapi_cli_single_write(const char *str, size_t str_length) /*
} while (ret <= 0 && errno == EAGAIN && sapi_cli_select(STDOUT_FILENO));
#else
ret = fwrite(str, 1, MIN(str_length, 16384), stdout);
if (ret == 0 && ferror(stdout)) {
return -1;
}
#endif
return ret;
}