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28 
29 #include "utils/signals/programmer.hpp"
30 
31 extern "C" {
32 #include <signal.h>
33 #include <unistd.h>
34 }
35 
36 #include <atf-c++.hpp>
37 
38 #include "utils/sanity.hpp"
39 
40 namespace signals = utils::signals;
41 
42 
43 namespace {
44 
45 
46 namespace sigchld {
47 
48 
49 static bool happened_1;
50 static bool happened_2;
51 
52 
53 void handler_1(const int signo) {
54     PRE(signo == SIGCHLD);
55     happened_1 = true;
56 }
57 
58 
59 void handler_2(const int signo) {
60     PRE(signo == SIGCHLD);
61     happened_2 = true;
62 }
63 
64 
65 }  // namespace sigchld
66 
67 
68 }  // anonymous namespace
69 
70 
71 ATF_TEST_CASE_WITHOUT_HEAD(program_unprogram);
72 ATF_TEST_CASE_BODY(program_unprogram)
73 {
74     signals::programmer programmer(SIGCHLD, sigchld::handler_1);
75     sigchld::happened_1 = false;
76     ::kill(::getpid(), SIGCHLD);
77     ATF_REQUIRE(sigchld::happened_1);
78 
79     programmer.unprogram();
80     sigchld::happened_1 = false;
81     ::kill(::getpid(), SIGCHLD);
82     ATF_REQUIRE(!sigchld::happened_1);
83 }
84 
85 
86 ATF_TEST_CASE_WITHOUT_HEAD(scope);
87 ATF_TEST_CASE_BODY(scope)
88 {
89     {
90         signals::programmer programmer(SIGCHLD, sigchld::handler_1);
91         sigchld::happened_1 = false;
92         ::kill(::getpid(), SIGCHLD);
93         ATF_REQUIRE(sigchld::happened_1);
94     }
95 
96     sigchld::happened_1 = false;
97     ::kill(::getpid(), SIGCHLD);
98     ATF_REQUIRE(!sigchld::happened_1);
99 }
100 
101 
102 ATF_TEST_CASE_WITHOUT_HEAD(nested);
103 ATF_TEST_CASE_BODY(nested)
104 {
105     signals::programmer programmer_1(SIGCHLD, sigchld::handler_1);
106     sigchld::happened_1 = false;
107     sigchld::happened_2 = false;
108     ::kill(::getpid(), SIGCHLD);
109     ATF_REQUIRE(sigchld::happened_1);
110     ATF_REQUIRE(!sigchld::happened_2);
111 
112     signals::programmer programmer_2(SIGCHLD, sigchld::handler_2);
113     sigchld::happened_1 = false;
114     sigchld::happened_2 = false;
115     ::kill(::getpid(), SIGCHLD);
116     ATF_REQUIRE(!sigchld::happened_1);
117     ATF_REQUIRE(sigchld::happened_2);
118 
119     programmer_2.unprogram();
120     sigchld::happened_1 = false;
121     sigchld::happened_2 = false;
122     ::kill(::getpid(), SIGCHLD);
123     ATF_REQUIRE(sigchld::happened_1);
124     ATF_REQUIRE(!sigchld::happened_2);
125 
126     programmer_1.unprogram();
127     sigchld::happened_1 = false;
128     sigchld::happened_2 = false;
129     ::kill(::getpid(), SIGCHLD);
130     ATF_REQUIRE(!sigchld::happened_1);
131     ATF_REQUIRE(!sigchld::happened_2);
132 }
133 
134 
135 ATF_INIT_TEST_CASES(tcs)
136 {
137     ATF_ADD_TEST_CASE(tcs, program_unprogram);
138     ATF_ADD_TEST_CASE(tcs, scope);
139     ATF_ADD_TEST_CASE(tcs, nested);
140 }
141