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NAME | SYNOPSIS | VALUES | CONTEXT | DESCRIPTION | SEE ALSO | COLOPHON |
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PROBE::SIGNAL.SEND(3stap) Signal Tapset PROBE::SIGNAL.SEND(3stap)
probe::signal.send.return - Signal being sent to a process
completed (deprecated in SystemTap 2.1)
signal.send.return
shared
Indicates whether the sent signal is shared by the thread
group.
retstr
The return value to either __group_send_sig_info,
specific_send_sig_info, or send_sigqueue
send2queue
Indicates whether the sent signal was sent to an existing
sigqueue
name
The name of the function used to send out the signal
The signal's sender. (correct?)
Possible __group_send_sig_info and specific_send_sig_info return
values are as follows;
0 -- The signal is successfully sent to a process, which means
that, (1) the signal was ignored by the receiving process, (2)
this is a non-RT signal and the system already has one queued, and
(3) the signal was successfully added to the sigqueue of the
receiving process.
-EAGAIN -- The sigqueue of the receiving process is overflowing,
the signal was RT, and the signal was sent by a user using
something other than kill.
Possible send_group_sigqueue and send_sigqueue return values are
as follows;
0 -- The signal was either successfully added into the sigqueue of
the receiving process, or a SI_TIMER entry is already queued (in
which case, the overrun count will be simply incremented).
1 -- The signal was ignored by the receiving process.
-1 -- (send_sigqueue only) The task was marked exiting, allowing *
posix_timer_event to redirect it to the group leader.
tapset::signal(3stap)
This page is part of the systemtap (a tracing and live-system
analysis tool) project. Information about the project can be
found at ⟨https://sourceware.org/systemtap/⟩. If you have a bug
report for this manual page, send it to systemtap@sourceware.org.
This page was obtained from the project's upstream Git repository
⟨git://sourceware.org/git/systemtap.git⟩ on 2026-01-16. (At that
time, the date of the most recent commit that was found in the
repository was 2025-12-02.) If you discover any rendering
problems in this HTML version of the page, or you believe there is
a better or more up-to-date source for the page, or you have
corrections or improvements to the information in this COLOPHON
(which is not part of the original manual page), send a mail to
man-pages@man7.org
SystemTap Tapset Reference October 2025 PROBE::SIGNAL.SEND(3stap)
Pages that refer to this page: tapset::signal(3stap)
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HTML rendering created 2026-01-16 by Michael Kerrisk, author of The Linux Programming Interface. For details of in-depth Linux/UNIX system programming training courses that I teach, look here. Hosting by jambit GmbH. |
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