diff --git a/gcc/analyzer/sm-fd.cc b/gcc/analyzer/sm-fd.cc index 3e500575428f27ec77141dde954c8fe8d83150f9..f7779be7d262be292bca1d28b4a88f2661f717dc 100644 --- a/gcc/analyzer/sm-fd.cc +++ b/gcc/analyzer/sm-fd.cc @@ -1798,7 +1798,8 @@ fd_state_machine::check_for_new_socket_fd (const call_details &cd, || old_state == m_new_datagram_socket || old_state == m_new_unknown_socket || old_state == m_start - || old_state == m_stop)) + || old_state == m_stop + || old_state == m_constant_fd)) { /* Complain about "bind" or "connect" in wrong phase. */ tree diag_arg = sm_ctxt->get_diagnostic_tree (fd_sval); @@ -1900,6 +1901,7 @@ fd_state_machine::on_listen (const call_details &cd, if (!check_for_socket_fd (cd, successful, sm_ctxt, fd_sval, node, old_state)) return false; if (!(old_state == m_start + || old_state == m_constant_fd || old_state == m_stop || old_state == m_bound_stream_socket || old_state == m_bound_unknown_socket @@ -2015,8 +2017,9 @@ fd_state_machine::on_accept (const call_details &cd, if (!check_for_socket_fd (cd, successful, sm_ctxt, fd_sval, node, old_state)) return false; - if (old_state == m_start) - /* If we were in the start state, assume we had the expected state. */ + if (old_state == m_start || old_state == m_constant_fd) + /* If we were in the start state (or a constant), assume we had the + expected state. */ sm_ctxt->set_next_state (cd.get_call_stmt (), fd_sval, m_listening_stream_socket); else if (old_state == m_stop) diff --git a/gcc/testsuite/gcc.dg/analyzer/fd-accept.c b/gcc/testsuite/gcc.dg/analyzer/fd-accept.c index 5426063f31d7d827ba4c5231016465550f1847cf..1b25012624b61a793b2c53a01295ae6ab0a04085 100644 --- a/gcc/testsuite/gcc.dg/analyzer/fd-accept.c +++ b/gcc/testsuite/gcc.dg/analyzer/fd-accept.c @@ -69,3 +69,8 @@ int test_accept_on_accept (int fd_a) return fd_b; } + +int test_accept_on_constant () +{ + return accept (0, NULL, 0); +} diff --git a/gcc/testsuite/gcc.dg/analyzer/fd-bind.c b/gcc/testsuite/gcc.dg/analyzer/fd-bind.c index c34803f138008caf20c6e473529f7151d3306896..d027b1a6b51e9c145de36b9a43946dcb3e066432 100644 --- a/gcc/testsuite/gcc.dg/analyzer/fd-bind.c +++ b/gcc/testsuite/gcc.dg/analyzer/fd-bind.c @@ -74,3 +74,8 @@ void test_bind_after_accept (int fd, const char *sockname) close (afd); } + +int test_bind_on_constant () +{ + return bind (0, NULL, 0); +} diff --git a/gcc/testsuite/gcc.dg/analyzer/fd-connect.c b/gcc/testsuite/gcc.dg/analyzer/fd-connect.c index 7bf687e2570966262b6bc6a490686e2a69178b93..ad837c93f4bcaf171bef2b9561c00ac387fef02d 100644 --- a/gcc/testsuite/gcc.dg/analyzer/fd-connect.c +++ b/gcc/testsuite/gcc.dg/analyzer/fd-connect.c @@ -46,3 +46,8 @@ void test_connect_after_bind (const char *sockname, close (fd); } + +int test_connect_on_constant () +{ + return connect (0, NULL, 0); +} diff --git a/gcc/testsuite/gcc.dg/analyzer/fd-listen.c b/gcc/testsuite/gcc.dg/analyzer/fd-listen.c index becf469029368c7a609637b7a2b555a46d65e6eb..a241113e3f0948220f00bc7888ae502479950956 100644 --- a/gcc/testsuite/gcc.dg/analyzer/fd-listen.c +++ b/gcc/testsuite/gcc.dg/analyzer/fd-listen.c @@ -54,7 +54,7 @@ void test_listen_on_new_datagram_socket (void) close (fd); } -void test_listed_on_connected_socket (int fd) +void test_listen_on_connected_socket (int fd) { int afd = accept (fd, NULL, 0); if (afd == -1) @@ -63,3 +63,8 @@ void test_listed_on_connected_socket (int fd) /* { dg-message "'listen' expects a bound stream socket file descriptor but 'afd' is connected" "final event" { target *-*-* } .-1 } */ close (afd); } + +int test_listen_on_constant () +{ + return listen (0, 10); +}