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prctl.2: Correct description of null-termination in PR_GET_NAME and PR_SET_NAME 

The size of the process name has always been at most 16 byte
_including_ the null terminator.  This also means that the
name returned by PR_GET_NAME is always null-terminated.

Signed-off-by: Andreas Schwab <schwab@suse.de>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Andreas Schwab 2014-10-21 12:58:27 +02:00 committed by Michael Kerrisk
parent 891121f60e
commit db6d60b30a
1 changed files with 2 additions and 2 deletions
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man2/prctl.2
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@ -240,7 +240,7 @@ using the value in the location pointed to by
.IR "(char\ *) arg2" . .IR "(char\ *) arg2" .
The name can be up to 16 bytes long, The name can be up to 16 bytes long,
.\" TASK_COMM_LEN in include/linux/sched.h .\" TASK_COMM_LEN in include/linux/sched.h
and should be null-terminated if it contains fewer bytes. including the terminating null byte.
This is the same attribute that can be set via This is the same attribute that can be set via
.BR pthread_setname_np (3) .BR pthread_setname_np (3)
and retrieved using and retrieved using
@ -256,7 +256,7 @@ Return the name of the calling thread,
in the buffer pointed to by in the buffer pointed to by
.IR "(char\ *) arg2" . .IR "(char\ *) arg2" .
The buffer should allow space for up to 16 bytes; The buffer should allow space for up to 16 bytes;
the returned string will be null-terminated if it is shorter than that. the returned string will be null-terminated.
.TP .TP
.BR PR_SET_NO_NEW_PRIVS " (since Linux 3.5)" .BR PR_SET_NO_NEW_PRIVS " (since Linux 3.5)"
Set the calling process's Set the calling process's