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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 | # MacOS system() doesn't have good return value |
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20 | $numtests = ($^O eq 'VMS') ? 16 : ($^O eq 'MacOS') ? 0 : 17; |
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21 | } |
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22 | |
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23 | |
24 | my $vms_exit_mode = 0; |
25 | |
26 | if ($^O eq 'VMS') { |
27 | if (eval 'require VMS::Feature') { |
28 | $vms_exit_mode = !(VMS::Feature::current("posix_exit")); |
29 | } else { |
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30 | my $env_unix_rpt = $ENV{'DECC$FILENAME_UNIX_REPORT'} || ''; |
31 | my $env_posix_ex = $ENV{'PERL_VMS_POSIX_EXIT'} || ''; |
32 | my $unix_rpt = $env_unix_rpt =~ /^[ET1]/i; |
33 | my $posix_ex = $env_posix_ex =~ /^[ET1]/i; |
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34 | if (($unix_rpt || $posix_ex) ) { |
35 | $vms_exit_mode = 0; |
36 | } else { |
37 | $vms_exit_mode = 1; |
38 | } |
39 | } |
40 | $numtests = 29 unless $vms_exit_mode; |
41 | } |
42 | |
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43 | require "test.pl"; |
44 | plan(tests => $numtests); |
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45 | |
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46 | my $native_success = 0; |
47 | $native_success = 1 if $^O eq 'VMS'; |
48 | |
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49 | if ($^O ne 'MacOS') { |
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50 | my $exit, $exit_arg; |
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51 | |
52 | $exit = run('exit'); |
53 | is( $exit >> 8, 0, 'Normal exit' ); |
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54 | is( $exit, $?, 'Normal exit $?' ); |
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55 | is( ${^CHILD_ERROR_NATIVE}, $native_success, 'Normal exit ${^CHILD_ERROR_NATIVE}' ); |
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56 | |
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57 | if (!$vms_exit_mode) { |
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58 | my $posix_ok = eval { require POSIX; }; |
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59 | my $wait_macros_ok = defined &POSIX::WIFEXITED; |
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60 | eval { POSIX::WIFEXITED() }; |
61 | $wait_macros_ok = 0 if $@; |
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62 | $exit = run('exit 42'); |
63 | is( $exit >> 8, 42, 'Non-zero exit' ); |
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64 | is( $exit, $?, 'Non-zero exit $?' ); |
65 | isnt( !${^CHILD_ERROR_NATIVE}, 0, 'Non-zero exit ${^CHILD_ERROR_NATIVE}' ); |
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66 | SKIP: { |
67 | skip("No POSIX", 3) unless $posix_ok; |
68 | skip("No POSIX wait macros", 3) unless $wait_macros_ok; |
69 | ok(POSIX::WIFEXITED(${^CHILD_ERROR_NATIVE}), "WIFEXITED"); |
70 | ok(!POSIX::WIFSIGNALED(${^CHILD_ERROR_NATIVE}), "WIFSIGNALED"); |
71 | is(POSIX::WEXITSTATUS(${^CHILD_ERROR_NATIVE}), 42, "WEXITSTATUS"); |
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72 | } |
73 | |
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74 | SKIP: { |
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75 | skip("Skip signals and core dump tests on Win32 and VMS", 7) |
76 | if ($^O eq 'MSWin32' || $^O eq 'VMS'); |
77 | |
78 | #TODO VMS will backtrace on this test and exits with code of 0 |
79 | #instead of 15. |
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80 | |
81 | $exit = run('kill 15, $$; sleep(1);'); |
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82 | |
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83 | is( $exit & 127, 15, 'Term by signal' ); |
84 | ok( !($exit & 128), 'No core dump' ); |
85 | is( $? & 127, 15, 'Term by signal $?' ); |
86 | isnt( ${^CHILD_ERROR_NATIVE}, 0, 'Term by signal ${^CHILD_ERROR_NATIVE}' ); |
87 | SKIP: { |
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88 | skip("No POSIX", 3) unless $posix_ok; |
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89 | skip("No POSIX wait macros", 3) unless $wait_macros_ok; |
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90 | ok(!POSIX::WIFEXITED(${^CHILD_ERROR_NATIVE}), "WIFEXITED"); |
91 | ok(POSIX::WIFSIGNALED(${^CHILD_ERROR_NATIVE}), "WIFSIGNALED"); |
92 | is(POSIX::WTERMSIG(${^CHILD_ERROR_NATIVE}), 15, "WTERMSIG"); |
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93 | } |
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94 | } |
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95 | |
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96 | } |
97 | |
98 | if ($^O eq 'VMS') { |
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99 | |
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100 | # On VMS, successful returns from system() are reported 0, VMS errors that |
101 | # can not be translated to UNIX are reported as EVMSERR, which has a value |
102 | # of 65535. Codes from 2 through 7 are assumed to be from non-compliant |
103 | # VMS systems and passed through. Programs written to use _POSIX_EXIT() |
104 | # codes like GNV will pass the numbers 2 through 255 encoded in the |
105 | # C facility by multiplying the number by 8 and adding %x35A000 to it. |
106 | # Perl will decode that number from children back to it's internal status. |
107 | # |
108 | # For native VMS status codes, success codes are odd numbered, error codes |
109 | # are even numbered. The 3 LSBs of the code indicate if the success is |
110 | # an informational message or the severity of the failure. |
111 | # |
112 | # Because the failure codes for the tests of the CLI facility status codes can |
113 | # not be translated to UNIX error codes, they will be reported as EVMSERR, |
114 | # even though Perl will exit with them having the VMS status codes. |
115 | # |
116 | # Note that this is testing the perl exit() routine, and not the VMS |
117 | # DCL EXIT statement. |
118 | # |
119 | # The value %x1000000 has been added to the exit code to prevent the |
120 | # status message from being sent to the STDOUT and STDERR stream. |
121 | # |
122 | # Double quotes are needed to pass these commands through DCL to PERL |
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123 | |
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124 | $exit = run("exit 268632065"); # %CLI-S-NORMAL |
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125 | is( $exit >> 8, 0, 'PERL success exit' ); |
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126 | is( ${^CHILD_ERROR_NATIVE} & 7, 1, 'VMS success exit' ); |
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127 | |
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128 | $exit = run("exit 268632067"); # %CLI-I-NORMAL |
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129 | is( $exit >> 8, 0, 'PERL informational exit' ); |
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130 | is( ${^CHILD_ERROR_NATIVE} & 7, 3, 'VMS informational exit' ); |
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131 | |
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132 | $exit = run("exit 268632064"); # %CLI-W-NORMAL |
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133 | is( $exit >> 8, 1, 'Perl warning exit' ); |
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134 | is( ${^CHILD_ERROR_NATIVE} & 7, 0, 'VMS warning exit' ); |
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135 | |
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136 | $exit = run("exit 268632066"); # %CLI-E-NORMAL |
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137 | is( $exit >> 8, 2, 'Perl error exit' ); |
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138 | is( ${^CHILD_ERROR_NATIVE} & 7, 2, 'VMS error exit' ); |
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139 | |
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140 | $exit = run("exit 268632068"); # %CLI-F-NORMAL |
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141 | is( $exit >> 8, 4, 'Perl fatal error exit' ); |
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142 | is( ${^CHILD_ERROR_NATIVE} & 7, 4, 'VMS fatal exit' ); |
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143 | |
144 | $exit = run("exit 02015320012"); # POSIX exit code 1 |
145 | is( $exit >> 8, 1, 'Posix exit code 1' ); |
146 | |
147 | $exit = run("exit 02015323771"); # POSIX exit code 255 |
148 | is( $exit >> 8 , 255, 'Posix exit code 255' ); |
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149 | } |
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150 | |
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151 | $exit_arg = 42; |
152 | $exit = run("END { \$? = $exit_arg }"); |
153 | |
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154 | # On VMS, in the child process the actual exit status will be SS$_ABORT, |
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155 | # or 44, which is what you get from any non-zero value of $? except for |
156 | # 65535 that has been dePOSIXified by STATUS_UNIX_SET. If $? is set to |
157 | # 65535 internally when there is a VMS status code that is valid, and |
158 | # when Perl exits, it will set that status code. |
159 | # |
160 | # In this test on VMS, the child process exit with a SS$_ABORT, which |
161 | # the parent stores in ${^CHILD_ERROR_NATIVE}. The SS$_ABORT code is |
162 | # then translated to the UNIX code EINTR which has the value of 4 on VMS. |
163 | # |
164 | # This is complex because Perl translates internally generated UNIX |
165 | # status codes to SS$_ABORT on exit, but passes through unmodified UNIX |
166 | # status codes that exit() is called with by scripts. |
167 | |
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168 | $exit_arg = (44 & 7) if $vms_exit_mode; |
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169 | |
170 | is( $exit >> 8, $exit_arg, 'Changing $? in END block' ); |
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171 | } |