diff options
Diffstat (limited to 'src/nspawn/nspawn.c')
| -rw-r--r-- | src/nspawn/nspawn.c | 26 |
1 files changed, 20 insertions, 6 deletions
diff --git a/src/nspawn/nspawn.c b/src/nspawn/nspawn.c index 1d602a5b31..2fec9023a1 100644 --- a/src/nspawn/nspawn.c +++ b/src/nspawn/nspawn.c @@ -33,6 +33,7 @@ #include <sys/prctl.h> #include <sys/capability.h> #include <getopt.h> +#include <sys/poll.h> #include <sys/epoll.h> #include <termios.h> #include <sys/signalfd.h> @@ -1204,12 +1205,11 @@ int main(int argc, char *argv[]) { for (;;) { siginfo_t status; + int pipefd[2]; - if (saved_attr_valid) { - if (tcsetattr(STDIN_FILENO, TCSANOW, &raw_attr) < 0) { - log_error("Failed to set terminal attributes: %m"); - goto finish; - } + if(pipe2(pipefd, O_NONBLOCK|O_CLOEXEC) < 0) { + log_error("pipe2(): %m"); + goto finish; } pid = syscall(__NR_clone, SIGCHLD|CLONE_NEWIPC|CLONE_NEWNS|CLONE_NEWPID|CLONE_NEWUTS|(arg_private_network ? CLONE_NEWNET : 0), NULL); @@ -1224,7 +1224,6 @@ int main(int argc, char *argv[]) { if (pid == 0) { /* child */ - const char *home = NULL; uid_t uid = (uid_t) -1; gid_t gid = (gid_t) -1; @@ -1245,9 +1244,20 @@ int main(int argc, char *argv[]) { envp[2] = strv_find_prefix(environ, "TERM="); n_env = 3; + close(pipefd[1]); + fd_wait_for_event(pipefd[0], POLLHUP, -1); + close(pipefd[0]); + close_nointr_nofail(master); master = -1; + if (saved_attr_valid) { + if (tcsetattr(STDIN_FILENO, TCSANOW, &raw_attr) < 0) { + log_error("Failed to set terminal attributes: %m"); + goto child_fail; + } + } + close_nointr(STDIN_FILENO); close_nointr(STDOUT_FILENO); close_nointr(STDERR_FILENO); @@ -1482,6 +1492,10 @@ int main(int argc, char *argv[]) { _exit(EXIT_FAILURE); } + log_info("Init process in the container running as PID %d", pid); + close(pipefd[0]); + close(pipefd[1]); + fdset_free(fds); fds = NULL; |