diff options
Diffstat (limited to 'src/openrc-run/openrc-run.c')
| -rw-r--r-- | src/openrc-run/openrc-run.c | 37 |
1 files changed, 23 insertions, 14 deletions
diff --git a/src/openrc-run/openrc-run.c b/src/openrc-run/openrc-run.c index bf64a1b3..6b28a809 100644 --- a/src/openrc-run/openrc-run.c +++ b/src/openrc-run/openrc-run.c @@ -107,7 +107,8 @@ static RC_STRINGLIST *deptypes_mwua; /* need+want+use+after deps for stopping */ static void handle_signal(int sig) { - int serrno = errno; + int serrno = errno, status; + pid_t pid; const char *signame = NULL; struct winsize ws; @@ -117,12 +118,13 @@ handle_signal(int sig) break; case SIGCHLD: - if (signal_pipe[1] > -1) { - if (write(signal_pipe[1], &sig, sizeof(sig)) == -1) - eerror("%s: send: %s", - service, strerror(errno)); - } else - rc_waitpid(-1); + while ((pid = waitpid(-1, &status, WNOHANG)) > 0) { + if (signal_pipe[1] > -1 && pid == service_pid) { + if (write(signal_pipe[1], &status, sizeof(status)) == -1) + eerror("%s: send: %s", + service, strerror(errno)); + } + } break; case SIGWINCH: @@ -438,6 +440,7 @@ svc_exec(const char *arg1, const char *arg2) if (errno != EINTR) { eerror("%s: poll: %s", service, strerror(errno)); + ret = -1; break; } } @@ -448,9 +451,20 @@ svc_exec(const char *arg1, const char *arg2) write_prefix(buffer, bytes, &prefixed); } - /* Only SIGCHLD signals come down this pipe */ - if (fd[0].revents & (POLLIN | POLLHUP)) + /* signal_pipe receives service_pid's exit status */ + if (fd[0].revents & (POLLIN | POLLHUP)) { + if ((s = read(signal_pipe[0], &ret, sizeof(ret))) != sizeof(ret)) { + eerror("%s: receive failed: %s", service, + s < 0 ? strerror(errno) : "short read"); + ret = -1; + break; + } + ret = WEXITSTATUS(ret); + if (ret != 0 && errno == ECHILD) + /* killall5 -9 could cause this */ + ret = 0; break; + } } } @@ -473,11 +487,6 @@ svc_exec(const char *arg1, const char *arg2) master_tty = -1; } - ret = rc_waitpid(service_pid); - ret = WEXITSTATUS(ret); - if (ret != 0 && errno == ECHILD) - /* killall5 -9 could cause this */ - ret = 0; service_pid = 0; return ret; |