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kill: use sigqueue to pass value with the signal.

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New -q/--queue option for kill so it will send an integer to the
signalled process. See sigqueue(3) for details.

References:
 https://pubs.opengroup.org/onlinepubs/009695399/functions/sigqueue.html
 procps-ng/procps!32

Signed-off-by: Craig Small <csmall@dropbear.xyz>
This commit is contained in:
Arun Chandrasekaran
2020-04-24 19:22:47 +10:00
committed by Craig Small
parent 1f5e037d4f
commit 2b804a532a
3 changed files with 30 additions and 5 deletions
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2
testsuite/kill.test/kill.exp
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@ -10,7 +10,7 @@ if { ![ file exists $kill ] } {
set test "kill with no arguments"
spawn $kill
expect_pass "$test" "Usage:\\s+\(lt-\)?kill \\\[options\\\] <pid> \\\[...\\\]\\s+Options:\\s+<pid> \\\[...\\\]\\s+send signal to every <pid> listed\\s+-<signal>, -s, --signal <signal>\\s+specify the <signal> to be sent\\s+-l, --list=\\\[<signal>\\\]\\s+list all signal names, or convert one to a name\\\s+-L, --table\\s+list all signal names in a nice table$usage_help$usage_version$usage_man"
expect_pass "$test" "Usage:\\s+\(lt-\)?kill \\\[options\\\] <pid>"
set test "kill list signal names"
spawn $kill -l