diff options
| -rw-r--r-- | ext/standard/exec.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/ext/standard/exec.c b/ext/standard/exec.c index 11bb365f65..1dbd638b52 100644 --- a/ext/standard/exec.c +++ b/ext/standard/exec.c @@ -66,7 +66,7 @@ int php_exec(int type, char *cmd, pval *array, pval *return_value TSRMLS_DC) php_stream *stream; size_t buflen, bufl = 0; #if PHP_SIGCHILD - void (*sig_handler)(); + void (*sig_handler)() = NULL; #endif if (PG(safe_mode)) { @@ -177,7 +177,9 @@ int php_exec(int type, char *cmd, pval *array, pval *return_value TSRMLS_DC) done: #if PHP_SIGCHILD - signal (SIGCHLD, sig_handler); + if (sig_handler) { + signal(SIGCHLD, sig_handler); + } #endif if (d) { efree(d); |