| signal.c (1574) | signal.c (71579) |
|---|---|
| 1/* 2 * Copyright (c) 1985, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 15 unchanged lines hidden (view full) --- 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. | 1/* 2 * Copyright (c) 1985, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright --- 15 unchanged lines hidden (view full) --- 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. |
| 32 * 33 * $FreeBSD: head/lib/libc/gen/signal.c 71579 2001-01-24 13:01:12Z deischen $ |
|
| 32 */ 33 34#if defined(LIBC_SCCS) && !defined(lint) 35static char sccsid[] = "@(#)signal.c 8.1 (Berkeley) 6/4/93"; 36#endif /* LIBC_SCCS and not lint */ 37 38/* 39 * Almost backwards compatible signal. 40 */ | 34 */ 35 36#if defined(LIBC_SCCS) && !defined(lint) 37static char sccsid[] = "@(#)signal.c 8.1 (Berkeley) 6/4/93"; 38#endif /* LIBC_SCCS and not lint */ 39 40/* 41 * Almost backwards compatible signal. 42 */ |
| 43#include "namespace.h" |
|
| 41#include <signal.h> | 44#include <signal.h> |
| 45#include "un-namespace.h" 46#include "libc_private.h" |
|
| 42 43sigset_t _sigintr; /* shared with siginterrupt */ 44 45sig_t 46signal(s, a) 47 int s; 48 sig_t a; 49{ 50 struct sigaction sa, osa; 51 52 sa.sa_handler = a; 53 sigemptyset(&sa.sa_mask); 54 sa.sa_flags = 0; 55 if (!sigismember(&_sigintr, s)) 56 sa.sa_flags |= SA_RESTART; | 47 48sigset_t _sigintr; /* shared with siginterrupt */ 49 50sig_t 51signal(s, a) 52 int s; 53 sig_t a; 54{ 55 struct sigaction sa, osa; 56 57 sa.sa_handler = a; 58 sigemptyset(&sa.sa_mask); 59 sa.sa_flags = 0; 60 if (!sigismember(&_sigintr, s)) 61 sa.sa_flags |= SA_RESTART; |
| 57 if (sigaction(s, &sa, &osa) < 0) | 62 if (_sigaction(s, &sa, &osa) < 0) |
| 58 return (SIG_ERR); 59 return (osa.sa_handler); 60} | 63 return (SIG_ERR); 64 return (osa.sa_handler); 65} |