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Merge pull request #32616 from Faless/net/fix_close_exec

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Disable socket descriptor sharing with subprocs.
This commit is contained in:
Rémi Verschelde
2019-10-08 07:32:11 +02:00
committed by GitHub
parent 9215e2ddf5 9c91b2051a
commit 02d75f99b9
2 changed files with 19 additions and 0 deletions
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18
drivers/unix/net_socket_posix.cpp
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@@ -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