On 05/04/2016 10:55 AM, Nikola Forró wrote: > Since Linux 2.6.17, clone and fork syscalls return ERESTARTNOINTR > when interrupted by a signal before newly created process is added > to its process group. > This error code can only be seen by ptrace at syscall exit tracing. > > The information was obtained from kernel source code: > http://bit.ly/24xdofn Thanks Nikola. I see this relates to kernel commit 4a2c7a7837da. Patch applied. Cheers, Michael > Signed-off-by: Nikola Forró <nforro@xxxxxxxxxx> > --- > man2/clone.2 | 4 ++++ > man2/fork.2 | 4 ++++ > 2 files changed, 8 insertions(+) > > diff --git a/man2/clone.2 b/man2/clone.2 > index 8373700..ab1e58d 100644 > --- a/man2/clone.2 > +++ b/man2/clone.2 > @@ -1013,6 +1013,10 @@ and the call would cause the limit on the number of > nested user namespaces to be exceeded. > See > .BR user_namespaces (7). > +.TP > +.BR ERESTARTNOINTR " (since Linux 2.6.17)" > +System call was interrupted by a signal and will be restarted. > +(This can be seen only during a trace.) > .SH VERSIONS > There is no entry for > .BR clone () > diff --git a/man2/fork.2 b/man2/fork.2 > index 559a47f..3accc8c 100644 > --- a/man2/fork.2 > +++ b/man2/fork.2 > @@ -242,6 +242,10 @@ failed to allocate the necessary kernel structures because memory is tight. > is not supported on this platform (for example, > .\" e.g., arm (optionally), blackfin, c6x, frv, h8300, microblaze, xtensa > hardware without a Memory-Management Unit). > +.TP > +.BR ERESTARTNOINTR " (since Linux 2.6.17)" > +System call was interrupted by a signal and will be restarted. > +(This can be seen only during a trace.) > .SH CONFORMING TO > POSIX.1-2001, POSIX.1-2008, SVr4, 4.3BSD. > .SH NOTES > -- 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
