Date: Mon, 19 Jul 2010 12:41:06 +0000 (UTC) From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-8@freebsd.org Subject: svn commit: r210234 - stable/8/lib/libc/compat-43 Message-ID: <201007191241.o6JCf6vb068234@svn.freebsd.org>
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Author: kib Date: Mon Jul 19 12:41:05 2010 New Revision: 210234 URL: http://svn.freebsd.org/changeset/base/210234 Log: MFC r209932: For xsi_sigpause(3), remove the supplied signal from the process mask during sigpause(2) call. It was backward. Check that the signal number is valid. Modified: stable/8/lib/libc/compat-43/sigcompat.c Directory Properties: stable/8/lib/libc/ (props changed) stable/8/lib/libc/stdtime/ (props changed) stable/8/lib/libc/sys/ (props changed) Modified: stable/8/lib/libc/compat-43/sigcompat.c ============================================================================== --- stable/8/lib/libc/compat-43/sigcompat.c Mon Jul 19 12:37:28 2010 (r210233) +++ stable/8/lib/libc/compat-43/sigcompat.c Mon Jul 19 12:41:05 2010 (r210234) @@ -35,6 +35,7 @@ __FBSDID("$FreeBSD$"); #include "namespace.h" #include <sys/param.h> +#include <errno.h> #include <signal.h> #include <string.h> #include "un-namespace.h" @@ -111,9 +112,16 @@ int xsi_sigpause(int sig) { sigset_t set; + int error; - sigemptyset(&set); - sigaddset(&set, sig); + if (!_SIG_VALID(sig)) { + errno = EINVAL; + return (-1); + } + error = _sigprocmask(SIG_BLOCK, NULL, &set); + if (error != 0) + return (error); + sigdelset(&set, sig); return (_sigsuspend(&set)); }
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