Module Name: src Committed By: christos Date: Sun Mar 29 17:54:12 UTC 2009
Modified Files: src/sys/kern: sys_sig.c Log Message: - use itimespecfix to detect invalid timespecs - use tstohz instead of mstohz to prevent overflow. To generate a diff of this commit: cvs rdiff -u -r1.22 -r1.23 src/sys/kern/sys_sig.c Please note that diffs are not public domain; they are subject to the copyright notices on the relevant files.
Modified files: Index: src/sys/kern/sys_sig.c diff -u src/sys/kern/sys_sig.c:1.22 src/sys/kern/sys_sig.c:1.23 --- src/sys/kern/sys_sig.c:1.22 Sun Mar 29 12:23:23 2009 +++ src/sys/kern/sys_sig.c Sun Mar 29 13:54:12 2009 @@ -1,4 +1,4 @@ -/* $NetBSD: sys_sig.c,v 1.22 2009/03/29 16:23:23 christos Exp $ */ +/* $NetBSD: sys_sig.c,v 1.23 2009/03/29 17:54:12 christos Exp $ */ /*- * Copyright (c) 2006, 2007, 2008 The NetBSD Foundation, Inc. @@ -66,7 +66,7 @@ */ #include <sys/cdefs.h> -__KERNEL_RCSID(0, "$NetBSD: sys_sig.c,v 1.22 2009/03/29 16:23:23 christos Exp $"); +__KERNEL_RCSID(0, "$NetBSD: sys_sig.c,v 1.23 2009/03/29 17:54:12 christos Exp $"); #include <sys/param.h> #include <sys/kernel.h> @@ -644,17 +644,16 @@ * Calculate timeout, if it was specified. */ if (SCARG(uap, timeout)) { - uint64_t ms; + error = (*fetch_timeout)(SCARG(uap, timeout), &ts, sizeof(ts)); + if (error) + return error; - if ((error = (*fetch_timeout)(SCARG(uap, timeout), &ts, sizeof(ts)))) - return (error); + if ((error = itimespecfix(&ts)) != 0) + return error; - ms = (ts.tv_sec * 1000) + (ts.tv_nsec / 1000000); - timo = mstohz(ms); - if (timo == 0 && ts.tv_sec == 0 && ts.tv_nsec > 0) - timo = 1; - if (timo <= 0) - return EINVAL; + timo = tstohz(&ts); + if (timo == 0 && ts.tv_sec == 0 && ts.tv_nsec != 0) + timo++; /* * Remember current uptime, it would be used in