Commit | Line | Data |
---|---|---|
d0166017 LR |
1 | #!./perl |
2 | ||
3 | BEGIN { | |
4 | chdir 't' if -d 't'; | |
5 | @INC = qw(. ../lib); | |
6 | } | |
7 | ||
8 | require Config; import Config; | |
9 | require "test.pl"; | |
10 | plan(tests => 1); | |
11 | ||
12 | SKIP: { | |
13 | skip("Alarm not supported", 1) unless exists $Config{'d_alarm'}; | |
14 | ||
15 | $SIG{ALRM} = sub { | |
16 | # We could call anything that modifies $! here, but | |
17 | # this way we can be sure that it isn't the same | |
18 | # errno as interrupted sleep() would return, and are | |
19 | # able to check it thereafter. | |
20 | $! = -1; | |
21 | }; | |
22 | ||
23 | alarm 1; | |
24 | sleep 2; | |
25 | ||
26 | # Interrupted sleeps sets errno to EAGAIN, but signal | |
27 | # that # hits after it (if safe signal handling is enabled) | |
28 | # causes a routing that modifies $! to be run afterwards | |
29 | isnt($! + 0, -1, 'Signal does not modify $!'); | |
30 | } |