- int ret = para_sigaction(SIGCHLD, SIG_IGN);
-
- if (ret < 0)
- return ret;
- ret = para_sigaction(SIGINT, SIG_DFL);
- if (ret < 0)
- return ret;
- ret = para_sigaction(SIGTERM, SIG_DFL);
- if (ret < 0)
- return ret;
- ret = para_sigaction(SIGHUP, SIG_DFL);
- if (ret < 0)
- return ret;
- return 1;
+ para_sigaction(SIGCHLD, SIG_IGN);
+ para_sigaction(SIGINT, SIG_DFL);
+ para_sigaction(SIGTERM, SIG_DFL);
+ para_sigaction(SIGHUP, SIG_DFL);