LDP
/
man-pages
mirror of https://github.com/mkerrisk/man-pages
0
1
Fork 0
Code Releases Activity

pthreads.7: Using thread IDs whose lifetime has expired gives undefined behavior 

See https://bugzilla.kernel.org/show_bug.cgi?id=53061

Reported-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2015-05-05 21:11:59 +02:00
parent 0ad13546b4
commit ccbcc0aeed
1 changed files with 3 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
man7/pthreads.7
View File

@ -127,8 +127,10 @@ Thread IDs are guaranteed to be unique only within a process.
that ID by definition refers to a thread in
the same process as the caller.)
A thread ID may be reused after a terminated thread has been joined,
The system may reuse a thread ID after a terminated thread has been joined,
or a detached thread has terminated.
POSIX says: "If an application attempts to use a thread ID whose
lifetime has ended, the behavior is undefined."
.SS Thread-safe functions
A thread-safe function is one that can be safely
(i.e., it will deliver the same results regardless of whether it is)