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NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | NOTES | HISTORY | SEE ALSO | COLOPHON |
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SD_BUS_MESSAGE_AT_END(3) sd_bus_message_at_end SD_BUS_MESSAGE_AT_END(3)
sd_bus_message_at_end - Check if a message has been fully read
#include <systemd/sd-bus.h>
int sd_bus_message_at_end(sd_bus_message *m, int complete);
sd_bus_message_at_end() returns whether all data from the
currently opened container in m or all data from all containers in
m has been read. If complete is zero, this function returns
whether all data from the currently opened container has been
read. If complete is non-zero, this function returns whether all
data from all containers in m has been read.
If all data from all containers or the current container
(depending on the value of complete) has been read,
sd_bus_message_at_end() returns a positive integer. If there is
still data left to be read, it returns zero. On failure, it
returns a negative errno-style error code.
Errors
Returned errors may indicate the following problems:
-EINVAL
The m parameter is NULL.
Added in version 246.
-EPERM
The message is not sealed.
Added in version 246.
Functions described here are available as a shared library, which
can be compiled against and linked to with the
libsystemd pkg-config(1) file.
All functions listed here are thread-agnostic and only a single
thread may operate on a given object at any given time. Different
threads may access the same object at different times. Multiple
independent objects may be used from different threads in
parallel.
The code described here uses getenv(3), which is declared to be
not multi-thread-safe. This means that the code calling the
functions described here must not call setenv(3) from a parallel
thread. It is recommended to only do calls to setenv() from an
early phase of the program when no other threads have been
started.
sd_bus_message_at_end() was added in version 246.
systemd(1), sd-bus(3), sd_bus_message_read(3)
This page is part of the systemd (systemd system and service
manager) project. Information about the project can be found at
⟨http://www.freedesktop.org/wiki/Software/systemd⟩. If you have a
bug report for this manual page, see
⟨http://www.freedesktop.org/wiki/Software/systemd/#bugreports⟩.
This page was obtained from the project's upstream Git repository
⟨https://github.com/systemd/systemd.git⟩ on 2026-08-04. (At that
time, the date of the most recent commit that was found in the
repository was 2026-08-03.) 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
systemd 262~devel SD_BUS_MESSAGE_AT_END(3)
Pages that refer to this page: sd-bus(3), systemd.directives(7), systemd.index(7)
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HTML rendering created 2026-09-09 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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