https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=239966
Bug ID: 239966
Summary: timer_create(2): undefined and incorrect symbols
mentioned as possible value for the evp->sigev_notify
field
Product: Documentation
Version: Latest
Hardware: Any
OS: Any
Status: New
Severity: Affects Only Me
Priority: ---
Component: Manual Pages
Assignee: b...@freebsd.org
Reporter: bs...@phoe.frmug.org
CC: d...@freebsd.org
In FreeBSD 11.2, the timer_create(2) manpage mentions the SIGEV_SIGNO symbol as
a possible value for the evp->sigev_notify field. This symbol is not defined in
any of the base headers. I suppose it should had been written as SIGEV_SIGNAL
instead.
Likewise, in the same manpage, SIGEV_THREAD_ID is mentioned for the same struct
member, however this (defined) symbol refers to kernel threads. I guess that
SIGEV_THREAD should had been used instead.
For reference, please see /usr/include/sys/signal.h and
https://pubs.opengroup.org/onlinepubs/009695399/functions/xsh_chap02_04.html#tag_02_04_02
It looks like the error arose from a confusion between the acceptable value of
the evp->sigev_signo field and the names of the fields these values refer to,
evp->sigev_signo for the SIGEV_SIGNAL value, and evp->sigev_notify_thread_id
for the SIGEV_THREAD value. Since I'm trying for the first time to use that
syscall I may be wrong.
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