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1 | #!./perl |
2 | # |
3 | # Tests for perl exit codes, playing with $?, etc... |
4 | |
5 | |
6 | BEGIN { |
7 | chdir 't' if -d 't'; |
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8 | @INC = qw(. ../lib); |
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9 | } |
10 | |
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11 | # Run some code, return its wait status. |
12 | sub run { |
13 | my($code) = shift; |
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14 | $code = "\"" . $code . "\"" if $^O eq 'VMS'; #VMS needs quotes for this. |
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15 | return system($^X, "-e", $code); |
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16 | } |
17 | |
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18 | BEGIN { |
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19 | $numtests = ($^O eq 'VMS') ? 16 : 17; |
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20 | } |
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21 | |
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22 | |
23 | my $vms_exit_mode = 0; |
24 | |
25 | if ($^O eq 'VMS') { |
26 | if (eval 'require VMS::Feature') { |
27 | $vms_exit_mode = !(VMS::Feature::current("posix_exit")); |
28 | } else { |
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29 | my $env_unix_rpt = $ENV{'DECC$FILENAME_UNIX_REPORT'} || ''; |
30 | my $env_posix_ex = $ENV{'PERL_VMS_POSIX_EXIT'} || ''; |
31 | my $unix_rpt = $env_unix_rpt =~ /^[ET1]/i; |
32 | my $posix_ex = $env_posix_ex =~ /^[ET1]/i; |
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33 | if (($unix_rpt || $posix_ex) ) { |
34 | $vms_exit_mode = 0; |
35 | } else { |
36 | $vms_exit_mode = 1; |
37 | } |
38 | } |
39 | $numtests = 29 unless $vms_exit_mode; |
40 | } |
41 | |
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42 | require "test.pl"; |
43 | plan(tests => $numtests); |
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44 | |
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45 | my $native_success = 0; |
46 | $native_success = 1 if $^O eq 'VMS'; |
47 | |
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48 | my $exit, $exit_arg; |
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49 | |
50 | $exit = run('exit'); |
51 | is( $exit >> 8, 0, 'Normal exit' ); |
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52 | is( $exit, $?, 'Normal exit $?' ); |
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53 | is( ${^CHILD_ERROR_NATIVE}, $native_success, 'Normal exit ${^CHILD_ERROR_NATIVE}' ); |
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54 | |
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55 | if (!$vms_exit_mode) { |
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56 | my $posix_ok = eval { require POSIX; }; |
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57 | my $wait_macros_ok = defined &POSIX::WIFEXITED; |
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58 | eval { POSIX::WIFEXITED(${^CHILD_ERROR_NATIVE}) }; |
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59 | $wait_macros_ok = 0 if $@; |
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60 | $exit = run('exit 42'); |
61 | is( $exit >> 8, 42, 'Non-zero exit' ); |
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62 | is( $exit, $?, 'Non-zero exit $?' ); |
63 | isnt( !${^CHILD_ERROR_NATIVE}, 0, 'Non-zero exit ${^CHILD_ERROR_NATIVE}' ); |
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64 | SKIP: { |
65 | skip("No POSIX", 3) unless $posix_ok; |
66 | skip("No POSIX wait macros", 3) unless $wait_macros_ok; |
67 | ok(POSIX::WIFEXITED(${^CHILD_ERROR_NATIVE}), "WIFEXITED"); |
68 | ok(!POSIX::WIFSIGNALED(${^CHILD_ERROR_NATIVE}), "WIFSIGNALED"); |
69 | is(POSIX::WEXITSTATUS(${^CHILD_ERROR_NATIVE}), 42, "WEXITSTATUS"); |
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70 | } |
71 | |
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72 | SKIP: { |
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73 | skip("Skip signals and core dump tests on Win32 and VMS", 7) |
74 | if ($^O eq 'MSWin32' || $^O eq 'VMS'); |
75 | |
76 | #TODO VMS will backtrace on this test and exits with code of 0 |
77 | #instead of 15. |
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78 | |
79 | $exit = run('kill 15, $$; sleep(1);'); |
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80 | |
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81 | is( $exit & 127, 15, 'Term by signal' ); |
82 | ok( !($exit & 128), 'No core dump' ); |
83 | is( $? & 127, 15, 'Term by signal $?' ); |
84 | isnt( ${^CHILD_ERROR_NATIVE}, 0, 'Term by signal ${^CHILD_ERROR_NATIVE}' ); |
85 | SKIP: { |
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86 | skip("No POSIX", 3) unless $posix_ok; |
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87 | skip("No POSIX wait macros", 3) unless $wait_macros_ok; |
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88 | ok(!POSIX::WIFEXITED(${^CHILD_ERROR_NATIVE}), "WIFEXITED"); |
89 | ok(POSIX::WIFSIGNALED(${^CHILD_ERROR_NATIVE}), "WIFSIGNALED"); |
90 | is(POSIX::WTERMSIG(${^CHILD_ERROR_NATIVE}), 15, "WTERMSIG"); |
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91 | } |
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92 | } |
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93 | |
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94 | } |
95 | |
96 | if ($^O eq 'VMS') { |
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97 | |
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98 | # On VMS, successful returns from system() are reported 0, VMS errors that |
99 | # can not be translated to UNIX are reported as EVMSERR, which has a value |
100 | # of 65535. Codes from 2 through 7 are assumed to be from non-compliant |
101 | # VMS systems and passed through. Programs written to use _POSIX_EXIT() |
102 | # codes like GNV will pass the numbers 2 through 255 encoded in the |
103 | # C facility by multiplying the number by 8 and adding %x35A000 to it. |
104 | # Perl will decode that number from children back to it's internal status. |
105 | # |
106 | # For native VMS status codes, success codes are odd numbered, error codes |
107 | # are even numbered. The 3 LSBs of the code indicate if the success is |
108 | # an informational message or the severity of the failure. |
109 | # |
110 | # Because the failure codes for the tests of the CLI facility status codes can |
111 | # not be translated to UNIX error codes, they will be reported as EVMSERR, |
112 | # even though Perl will exit with them having the VMS status codes. |
113 | # |
114 | # Note that this is testing the perl exit() routine, and not the VMS |
115 | # DCL EXIT statement. |
116 | # |
117 | # The value %x1000000 has been added to the exit code to prevent the |
118 | # status message from being sent to the STDOUT and STDERR stream. |
119 | # |
120 | # Double quotes are needed to pass these commands through DCL to PERL |
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121 | |
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122 | $exit = run("exit 268632065"); # %CLI-S-NORMAL |
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123 | is( $exit >> 8, 0, 'PERL success exit' ); |
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124 | is( ${^CHILD_ERROR_NATIVE} & 7, 1, 'VMS success exit' ); |
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125 | |
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126 | $exit = run("exit 268632067"); # %CLI-I-NORMAL |
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127 | is( $exit >> 8, 0, 'PERL informational exit' ); |
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128 | is( ${^CHILD_ERROR_NATIVE} & 7, 3, 'VMS informational exit' ); |
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129 | |
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130 | $exit = run("exit 268632064"); # %CLI-W-NORMAL |
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131 | is( $exit >> 8, 1, 'Perl warning exit' ); |
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132 | is( ${^CHILD_ERROR_NATIVE} & 7, 0, 'VMS warning exit' ); |
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133 | |
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134 | $exit = run("exit 268632066"); # %CLI-E-NORMAL |
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135 | is( $exit >> 8, 2, 'Perl error exit' ); |
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136 | is( ${^CHILD_ERROR_NATIVE} & 7, 2, 'VMS error exit' ); |
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137 | |
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138 | $exit = run("exit 268632068"); # %CLI-F-NORMAL |
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139 | is( $exit >> 8, 4, 'Perl fatal error exit' ); |
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140 | is( ${^CHILD_ERROR_NATIVE} & 7, 4, 'VMS fatal exit' ); |
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141 | |
142 | $exit = run("exit 02015320012"); # POSIX exit code 1 |
143 | is( $exit >> 8, 1, 'Posix exit code 1' ); |
144 | |
145 | $exit = run("exit 02015323771"); # POSIX exit code 255 |
146 | is( $exit >> 8 , 255, 'Posix exit code 255' ); |
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147 | } |
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148 | |
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149 | $exit_arg = 42; |
150 | $exit = run("END { \$? = $exit_arg }"); |
151 | |
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152 | # On VMS, in the child process the actual exit status will be SS$_ABORT, |
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153 | # or 44, which is what you get from any non-zero value of $? except for |
154 | # 65535 that has been dePOSIXified by STATUS_UNIX_SET. If $? is set to |
155 | # 65535 internally when there is a VMS status code that is valid, and |
156 | # when Perl exits, it will set that status code. |
157 | # |
158 | # In this test on VMS, the child process exit with a SS$_ABORT, which |
159 | # the parent stores in ${^CHILD_ERROR_NATIVE}. The SS$_ABORT code is |
160 | # then translated to the UNIX code EINTR which has the value of 4 on VMS. |
161 | # |
162 | # This is complex because Perl translates internally generated UNIX |
163 | # status codes to SS$_ABORT on exit, but passes through unmodified UNIX |
164 | # status codes that exit() is called with by scripts. |
165 | |
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166 | $exit_arg = (44 & 7) if $vms_exit_mode; |
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167 | |
168 | is( $exit >> 8, $exit_arg, 'Changing $? in END block' ); |