22    int ret = system(EXE_NAME);  in main()  local
23    if (ret != 0)  in main()
27    ret = system(NULL);  in main()
28    if (ret == 0)  in main()
34    ret = posix_spawn(&child, EXE_NAME, NULL, NULL, argv_exe, envp);  in main()
35    if (ret != 0)  in main()
41    ret = posix_spawn_file_actions_init(&fa);  in main()
42    if (ret != 0)  in main()
44    ret = posix_spawn_file_actions_addopen(&fa, 10, "/dev/null", O_RDONLY, 0);  in main()
45    if (ret != 0)  in main()
47    ret = posix_spawn(&child, EXE_NAME, &fa, NULL, argv_exe, envp);  in main()
48    if (ret != 0)  in main()
51    ret = posix_spawn_file_actions_destroy(&fa);  in main()
52    if (ret != 0)  in main()
57    ret = posix_spawnattr_init(&spa);  in main()
58    if (ret != 0)  in main()
60    ret = posix_spawnattr_setflags(&spa, POSIX_SPAWN_RESETIDS);  in main()
61    if (ret != 0)  in main()
63    ret = posix_spawn(&child, EXE_NAME, NULL, &spa, argv_exe, envp);  in main()
64    if (ret != 0)  in main()
67    ret = posix_spawnattr_destroy(&spa);  in main()
68    if (ret != 0)  in main()
76    ret = sigaction(SIGCHLD, &act, NULL);  in main()
77    if (ret != 0)  in main()
80    ret = posix_spawn(&child, EXE_NAME, NULL, NULL, argv_exe, envp);  in main()
81    if (ret != 0)  in main()
91    ret = posix_spawnattr_init(&spa);  in main()
92    if (ret != 0)  in main()
94    ret = posix_spawnattr_setflags(&spa, POSIX_SPAWN_NOSIGCHLD_NP);  in main()
95    if (ret != 0)  in main()
98    ret = posix_spawn(&child, EXE_NAME, NULL, &spa, argv_exe, envp);  in main()
99    if (ret != 0)  in main()
107    ret = posix_spawnattr_destroy(&spa);  in main()
108    if (ret != 0)  in main()