diff options
Diffstat (limited to 'test/nstool.c')
| -rw-r--r-- | test/nstool.c | 26 |
1 files changed, 24 insertions, 2 deletions
diff --git a/test/nstool.c b/test/nstool.c index a6aca98..fc357d8 100644 --- a/test/nstool.c +++ b/test/nstool.c @@ -345,17 +345,39 @@ static int openns(const char *fmt, ...) return fd; } +static pid_t sig_pid; +static void sig_handler(int signum) +{ + int err; + + err = kill(sig_pid, signum); + if (err) + die("Propagating %s: %s\n", strsignal(signum), strerror(errno)); +} + static void wait_for_child(pid_t pid) { - int status; + struct sigaction sa = { + .sa_handler = sig_handler, + .sa_flags = SA_RESETHAND, + }; + int status, err; + + sig_pid = pid; + err = sigaction(SIGTERM, &sa, NULL); + if (err) + die("sigaction(SIGTERM): %s\n", strerror(errno)); /* Match the child's exit status, if possible */ for (;;) { pid_t rc; rc = waitpid(pid, &status, WUNTRACED); - if (rc < 0) + if (rc < 0) { + if (errno == EINTR) + continue; die("waitpid() on %d: %s\n", pid, strerror(errno)); + } if (rc != pid) die("waitpid() on %d returned %d", pid, rc); if (WIFSTOPPED(status)) { |