diff options
| -rw-r--r-- | drivers/unix/net_socket_posix.cpp | 18 | ||||
| -rw-r--r-- | drivers/unix/net_socket_posix.h | 1 |
2 files changed, 19 insertions, 0 deletions
diff --git a/drivers/unix/net_socket_posix.cpp b/drivers/unix/net_socket_posix.cpp index 7a7d286c4d..da46b393c6 100644 --- a/drivers/unix/net_socket_posix.cpp +++ b/drivers/unix/net_socket_posix.cpp @@ -281,6 +281,21 @@ void NetSocketPosix::_set_socket(SOCKET_TYPE p_sock, IP::Type p_ip_type, bool p_ _sock = p_sock; _ip_type = p_ip_type; _is_stream = p_is_stream; + // Disable descriptor sharing with subprocesses. + _set_close_exec_enabled(true); +} + +void NetSocketPosix::_set_close_exec_enabled(bool p_enabled) { +#ifndef WINDOWS_ENABLED + // Enable close on exec to avoid sharing with subprocesses. Off by default on Windows. +#if defined(NO_FCNTL) + unsigned long par = p_enabled ? 1 : 0; + SOCK_IOCTL(_sock, FIOCLEX, &par); +#else + int opts = fcntl(_sock, F_GETFD); + fcntl(_sock, F_SETFD, opts | FD_CLOEXEC); +#endif +#endif } Error NetSocketPosix::open(Type p_sock_type, IP::Type &ip_type) { @@ -321,6 +336,9 @@ Error NetSocketPosix::open(Type p_sock_type, IP::Type &ip_type) { _is_stream = p_sock_type == TYPE_TCP; + // Disable descriptor sharing with subprocesses. + _set_close_exec_enabled(true); + #if defined(WINDOWS_ENABLED) if (!_is_stream) { // Disable windows feature/bug reporting WSAECONNRESET/WSAENETRESET when diff --git a/drivers/unix/net_socket_posix.h b/drivers/unix/net_socket_posix.h index 40406b241a..e549ea1d6a 100644 --- a/drivers/unix/net_socket_posix.h +++ b/drivers/unix/net_socket_posix.h @@ -61,6 +61,7 @@ private: NetError _get_socket_error(); void _set_socket(SOCKET_TYPE p_sock, IP::Type p_ip_type, bool p_is_stream); _FORCE_INLINE_ Error _change_multicast_group(IP_Address p_ip, String p_if_name, bool p_add); + _FORCE_INLINE_ void _set_close_exec_enabled(bool p_enabled); protected: static NetSocket *_create_func(); |