diff options
Diffstat (limited to 'lib/libc/gen/sigsetops.c')
| -rw-r--r-- | lib/libc/gen/sigsetops.c | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/lib/libc/gen/sigsetops.c b/lib/libc/gen/sigsetops.c index 7ac903b..7206b7a 100644 --- a/lib/libc/gen/sigsetops.c +++ b/lib/libc/gen/sigsetops.c @@ -31,6 +31,8 @@ * SUCH DAMAGE. * * @(#)sigsetops.c 8.1 (Berkeley) 6/4/93 + * + * $FreeBSD$ */ #if defined(LIBC_SCCS) && !defined(lint) @@ -49,7 +51,10 @@ int sigemptyset(set) sigset_t *set; { - *set = 0; + int i; + + for (i = 0; i < _SIG_WORDS; i++) + set->__bits[i] = 0; return (0); } @@ -57,7 +62,10 @@ int sigfillset(set) sigset_t *set; { - *set = ~(sigset_t)0; + int i; + + for (i = 0; i < _SIG_WORDS; i++) + set->__bits[i] = ~(unsigned int)0; return (0); } @@ -66,7 +74,12 @@ sigaddset(set, signo) sigset_t *set; int signo; { - *set |= sigmask(signo); + + if (signo <= 0 || signo > _SIG_MAXSIG) { + /* errno = EINVAL; */ + return (-1); + } + set->__bits[_SIG_WORD(signo)] |= _SIG_BIT(signo); return (0); } @@ -75,7 +88,12 @@ sigdelset(set, signo) sigset_t *set; int signo; { - *set &= ~sigmask(signo); + + if (signo <= 0 || signo > _SIG_MAXSIG) { + /* errno = EINVAL; */ + return (-1); + } + set->__bits[_SIG_WORD(signo)] &= ~_SIG_BIT(signo); return (0); } @@ -84,5 +102,10 @@ sigismember(set, signo) const sigset_t *set; int signo; { - return ((*set & sigmask(signo)) != 0); + + if (signo <= 0 || signo > _SIG_MAXSIG) { + /* errno = EINVAL; */ + return (-1); + } + return ((set->__bits[_SIG_WORD(signo)] & _SIG_BIT(signo)) ? 1 : 0); } |
