| signal.c (252429) | signal.c (287292) |
|---|---|
| 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 --- 17 unchanged lines hidden (view full) --- 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#if defined(LIBC_SCCS) && !defined(lint) 31static char sccsid[] = "@(#)signal.c 8.1 (Berkeley) 6/4/93"; 32#endif /* LIBC_SCCS and not lint */ 33#include <sys/cdefs.h> | 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 --- 17 unchanged lines hidden (view full) --- 26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30#if defined(LIBC_SCCS) && !defined(lint) 31static char sccsid[] = "@(#)signal.c 8.1 (Berkeley) 6/4/93"; 32#endif /* LIBC_SCCS and not lint */ 33#include <sys/cdefs.h> |
| 34__FBSDID("$FreeBSD: head/lib/libc/gen/signal.c 252429 2013-06-30 20:51:15Z jilles $"); | 34__FBSDID("$FreeBSD: head/lib/libc/gen/signal.c 287292 2015-08-29 14:25:01Z kib $"); |
| 35 36/* 37 * Almost backwards compatible signal. 38 */ 39#include "namespace.h" 40#include <signal.h> 41#include "un-namespace.h" 42#include "libc_private.h" 43 44sigset_t _sigintr __hidden; /* shared with siginterrupt */ 45 46sig_t | 35 36/* 37 * Almost backwards compatible signal. 38 */ 39#include "namespace.h" 40#include <signal.h> 41#include "un-namespace.h" 42#include "libc_private.h" 43 44sigset_t _sigintr __hidden; /* shared with siginterrupt */ 45 46sig_t |
| 47signal(s, a) 48 int s; 49 sig_t a; | 47signal(int s, sig_t a) |
| 50{ 51 struct sigaction sa, osa; 52 53 sa.sa_handler = a; 54 sigemptyset(&sa.sa_mask); 55 sa.sa_flags = 0; 56 if (!sigismember(&_sigintr, s)) 57 sa.sa_flags |= SA_RESTART; | 48{ 49 struct sigaction sa, osa; 50 51 sa.sa_handler = a; 52 sigemptyset(&sa.sa_mask); 53 sa.sa_flags = 0; 54 if (!sigismember(&_sigintr, s)) 55 sa.sa_flags |= SA_RESTART; |
| 58 if (_sigaction(s, &sa, &osa) < 0) | 56 if (__libc_sigaction(s, &sa, &osa) < 0) |
| 59 return (SIG_ERR); 60 return (osa.sa_handler); 61} | 57 return (SIG_ERR); 58 return (osa.sa_handler); 59} |