Hi Michael, On 09/07/2015 05:07 PM, mhocko@xxxxxxxxxx wrote: > From: Michal Hocko <mhocko@xxxxxxxx> > > It seems that few async-signal-safe functions listed by POSIX.1-2008 > http://pubs.opengroup.org/onlinepubs/9699919799/functions/V2_chap02.html#tag_15_04_03 > are not mentioned in the man page. I am not exactly sure in which > version of the standard they have declared as signal safe. So they > were added to the section according to which standard they conform to: > > POSIX.1-2001 > - fchdir > - pthread_self > - pthread_sigmask > > POSIX.1-2008 > - pthread_kill Thanks for spotting this. I had missed it myself. I see now that those 4 functions were added in POSIX.1-2008 Technical Corrigendum 1 (2013). So, I've applied a different patch (below). Thanks for catching this, and the effort on the patch. Cheers, Michael --- a/man7/signal.7 +++ b/man7/signal.7 @@ -630,6 +630,18 @@ utimensat() utimes() .fi .in +.PP +POSIX.1-2008 Technical Corrigendum 1 (2013) +adds the following functions: +.PP +.in +4n +.nf +fchdir() +pthread_kill() +pthread_self() +pthread_sigmask() +.fi +.in .SS Interruption of system calls and library functions by signal handlers If a signal handler is invoked while a system call or library function call is blocked, then either: > Signed-off-by: Michal Hocko <mhocko@xxxxxxxx> > --- > man7/signal.7 | 4 ++++ > 1 file changed, 4 insertions(+) > > diff --git a/man7/signal.7 b/man7/signal.7 > index 4710945a2ab8..18871420cb16 100644 > --- a/man7/signal.7 > +++ b/man7/signal.7 > @@ -510,6 +510,7 @@ execve() > fchmod() > fchown() > fcntl() > +fchdir() > fdatasync() > fork() > fpathconf() > @@ -541,6 +542,8 @@ pipe() > poll() > posix_trace_event() > pselect() > +pthread_self() > +pthread_sigmask() > raise() > read() > readlink() > @@ -622,6 +625,7 @@ mkfifoat() > mknod() > mknodat() > openat() > +pthread_kill() > readlinkat() > renameat() > symlinkat() > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/ -- To unsubscribe from this list: send the line "unsubscribe linux-man" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
