}
}
+static int
+dupfd_cloexec (int parent_fd)
+{
+ int fd;
+#ifdef F_DUPFD_CLOEXEC
+ do
+ fd = fcntl (parent_fd, F_DUPFD_CLOEXEC, 3);
+ while (fd == -1 && errno == EINTR);
+#else
+ /* OS X Snow Lion and earlier don't have F_DUPFD_CLOEXEC:
+ * https://bugzilla.gnome.org/show_bug.cgi?id=710962
+ */
+ int result, flags;
+ do
+ fd = fcntl (parent_fd, F_DUPFD, 3);
+ while (fd == -1 && errno == EINTR);
+ flags = fcntl (fd, F_GETFD, 0);
+ if (flags != -1)
+ {
+ flags |= FD_CLOEXEC;
+ do
+ result = fcntl (fd, F_SETFD, flags);
+ while (result == -1 && errno == EINTR);
+ }
+#endif
+ return fd;
+}
+
/**
* Based on code derived from
* gnome-terminal:src/terminal-screen.c:terminal_screen_child_setup(),
gint parent_fd = g_array_index (child_data->needdup_fd_assignments, int, i);
gint new_parent_fd;
- do
- new_parent_fd = fcntl (parent_fd, F_DUPFD_CLOEXEC, 3);
- while (parent_fd == -1 && errno == EINTR);
+ new_parent_fd = dupfd_cloexec (parent_fd);
g_array_index (child_data->needdup_fd_assignments, int, i) = new_parent_fd;
}