1#!./perl 2# 3# Tests for perl exit codes, playing with $?, etc... 4 5 6BEGIN { 7 chdir 't' if -d 't'; 8 @INC = qw(. ../lib); 9} 10 11# Run some code, return its wait status. 12sub run { 13 my($code) = shift; 14 $code = "\"" . $code . "\"" if $^O eq 'VMS'; #VMS needs quotes for this. 15 return system($^X, "-e", $code); 16} 17 18BEGIN { 19 # MacOS system() doesn't have good return value 20 $numtests = ($^O eq 'VMS') ? 16 : ($^O eq 'MacOS') ? 0 : 17; 21} 22 23 24my $vms_exit_mode = 0; 25 26if ($^O eq 'VMS') { 27 if (eval 'require VMS::Feature') { 28 $vms_exit_mode = !(VMS::Feature::current("posix_exit")); 29 } else { 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 = $env_posix_ex =~ /^[ET1]/i; 34 if (($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 43require "test.pl"; 44plan(tests => $numtests); 45 46my $native_success = 0; 47 $native_success = 1 if $^O eq 'VMS'; 48 49if ($^O ne 'MacOS') { 50my $exit, $exit_arg; 51 52$exit = run('exit'); 53is( $exit >> 8, 0, 'Normal exit' ); 54is( $exit, $?, 'Normal exit $?' ); 55is( ${^CHILD_ERROR_NATIVE}, $native_success, 'Normal exit ${^CHILD_ERROR_NATIVE}' ); 56 57if (!$vms_exit_mode) { 58 my $posix_ok = eval { require POSIX; }; 59 my $wait_macros_ok = defined &POSIX::WIFEXITED; 60 eval { POSIX::WIFEXITED(${^CHILD_ERROR_NATIVE}) }; 61 $wait_macros_ok = 0 if $@; 62 $exit = run('exit 42'); 63 is( $exit >> 8, 42, 'Non-zero exit' ); 64 is( $exit, $?, 'Non-zero exit $?' ); 65 isnt( !${^CHILD_ERROR_NATIVE}, 0, 'Non-zero exit ${^CHILD_ERROR_NATIVE}' ); 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"); 72 } 73 74 SKIP: { 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. 80 81 $exit = run('kill 15, $$; sleep(1);'); 82 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: { 88 skip("No POSIX", 3) unless $posix_ok; 89 skip("No POSIX wait macros", 3) unless $wait_macros_ok; 90 ok(!POSIX::WIFEXITED(${^CHILD_ERROR_NATIVE}), "WIFEXITED"); 91 ok(POSIX::WIFSIGNALED(${^CHILD_ERROR_NATIVE}), "WIFSIGNALED"); 92 is(POSIX::WTERMSIG(${^CHILD_ERROR_NATIVE}), 15, "WTERMSIG"); 93 } 94 } 95 96} 97 98if ($^O eq 'VMS') { 99 100# 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 123 124 $exit = run("exit 268632065"); # %CLI-S-NORMAL 125 is( $exit >> 8, 0, 'PERL success exit' ); 126 is( ${^CHILD_ERROR_NATIVE} & 7, 1, 'VMS success exit' ); 127 128 $exit = run("exit 268632067"); # %CLI-I-NORMAL 129 is( $exit >> 8, 0, 'PERL informational exit' ); 130 is( ${^CHILD_ERROR_NATIVE} & 7, 3, 'VMS informational exit' ); 131 132 $exit = run("exit 268632064"); # %CLI-W-NORMAL 133 is( $exit >> 8, 1, 'Perl warning exit' ); 134 is( ${^CHILD_ERROR_NATIVE} & 7, 0, 'VMS warning exit' ); 135 136 $exit = run("exit 268632066"); # %CLI-E-NORMAL 137 is( $exit >> 8, 2, 'Perl error exit' ); 138 is( ${^CHILD_ERROR_NATIVE} & 7, 2, 'VMS error exit' ); 139 140 $exit = run("exit 268632068"); # %CLI-F-NORMAL 141 is( $exit >> 8, 4, 'Perl fatal error exit' ); 142 is( ${^CHILD_ERROR_NATIVE} & 7, 4, 'VMS fatal exit' ); 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( $exit >> 8 , 255, 'Posix exit code 255' ); 149} 150 151$exit_arg = 42; 152$exit = run("END { \$? = $exit_arg }"); 153 154# On VMS, in the child process the actual exit status will be SS$_ABORT, 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$_ABORT on exit, but passes through unmodified UNIX 166# status codes that exit() is called with by scripts. 167 168$exit_arg = (44 & 7) if $vms_exit_mode; 169 170is( $exit >> 8, $exit_arg, 'Changing $? in END block' ); 171} 172