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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.
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 2025-08-11. (At that
time, the date of the most recent commit that was found in the
repository was 2025-08-11.) 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 258~rc2 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 2025-09-06 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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