diff options
Diffstat (limited to 'libc/signal/sigintr.c')
-rw-r--r-- | libc/signal/sigintr.c | 53 |
1 files changed, 28 insertions, 25 deletions
diff --git a/libc/signal/sigintr.c b/libc/signal/sigintr.c index e8cdd9814..8315c3a6b 100644 --- a/libc/signal/sigintr.c +++ b/libc/signal/sigintr.c @@ -1,20 +1,20 @@ -/* Copyright (C) 1992, 1994, 1996 Free Software Foundation, Inc. +/* Copyright (C) 1992, 1994, 1996, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public License as - published by the Free Software Foundation; either version 2 of the - License, or (at your option) any later version. + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. The GNU C Library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - Library General Public License for more details. + Lesser General Public License for more details. - You should have received a copy of the GNU Library General Public - License along with the GNU C Library; see the file COPYING.LIB. If not, - write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, - Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ #include <stddef.h> #include <signal.h> @@ -23,32 +23,35 @@ /* If INTERRUPT is nonzero, make signal SIG interrupt system calls (causing them to fail with EINTR); if INTERRUPT is zero, make system calls be restarted after signal SIG. */ -int siginterrupt (int sig, int interrupt) +int +siginterrupt (sig, interrupt) + int sig; + int interrupt; { #ifdef SA_RESTART - extern sigset_t _sigintr; /* Defined in signal.c. */ - struct sigaction action; + extern sigset_t _sigintr attribute_hidden; /* Defined in signal.c. */ + struct sigaction action; - if (sigaction (sig, (struct sigaction *) NULL, &action) < 0) - return -1; + if (sigaction (sig, (struct sigaction *) NULL, &action) < 0) + return -1; - if (interrupt) + if (interrupt) { - __sigaddset (&_sigintr, sig); - action.sa_flags &= ~SA_RESTART; + __sigaddset (&_sigintr, sig); + action.sa_flags &= ~SA_RESTART; } - else + else { - __sigdelset (&_sigintr, sig); - action.sa_flags |= SA_RESTART; + __sigdelset (&_sigintr, sig); + action.sa_flags |= SA_RESTART; } - if (sigaction (sig, &action, (struct sigaction *) NULL) < 0) - return -1; + if (sigaction (sig, &action, (struct sigaction *) NULL) < 0) + return -1; - return 0; + return 0; #else - __set_errno (ENOSYS); - return -1; + __set_errno (ENOSYS); + return -1; #endif } |