svn commit: r248065 - user/dchagin/lemul/sys/compat/linux
Dmitry Chagin
dchagin at FreeBSD.org
Fri Mar 8 19:16:25 UTC 2013
Author: dchagin
Date: Fri Mar 8 19:16:24 2013
New Revision: 248065
URL: http://svnweb.freebsd.org/changeset/base/248065
Log:
User can specify the NULL value for the sigmask parameter.
Modified:
user/dchagin/lemul/sys/compat/linux/linux_misc.c
Modified: user/dchagin/lemul/sys/compat/linux/linux_misc.c
==============================================================================
--- user/dchagin/lemul/sys/compat/linux/linux_misc.c Fri Mar 8 19:02:45 2013 (r248064)
+++ user/dchagin/lemul/sys/compat/linux/linux_misc.c Fri Mar 8 19:16:24 2013 (r248065)
@@ -2089,19 +2089,22 @@ linux_pselect6(struct thread *td, struct
sigset_t ss;
int error;
+ ssp = NULL;
if (args->sig) {
error = copyin(args->sig, &lpse6, sizeof(lpse6));
if (error)
return (error);
if (lpse6.ss_len != sizeof(l_ss))
return (EINVAL);
- error = copyin(PTRIN(lpse6.ss), &l_ss, sizeof(l_ss));
- if (error)
- return (error);
- linux_to_bsd_sigset(&l_ss, &ss);
- ssp = &ss;
- } else
- ssp = NULL;
+ if (lpse6.ss != 0) {
+ error = copyin(PTRIN(lpse6.ss), &l_ss,
+ sizeof(l_ss));
+ if (error)
+ return (error);
+ linux_to_bsd_sigset(&l_ss, &ss);
+ ssp = &ss;
+ }
+ }
/*
* Currently glibc changes nanosecond number to microsecond.
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