4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/** @file
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Implementation and Platform specific portion of <signal.h>.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync This program and the accompanying materials are licensed and made available under
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync the terms and conditions of the BSD License that accompanies this distribution.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync The full text of the license may be found at
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync http://opensource.org/licenses/bsd-license.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#ifndef _SYS_SIGNAL_H
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#define _SYS_SIGNAL_H
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <sys/EfiCdefs.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#include <machine/signal.h>
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/** The actual (default) signal numbers are assigned using an anonymous enum
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync so that the compiler can do the work of assigning values. This helps
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync ensure that the developer should never have to renumber the signals or
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync figure out what number to assign to a new signal.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync Properly constructed programs will NEVER depend upon signal numbers being
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync in a particular order or having a particular value. All that is guaranteed
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync is that each signal number is distinct, positive, and non-zero.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync**/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsyncenum {
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __SigInt = 1,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __SigIll,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __SigAbrt,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __SigFpe,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __SigSegv,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __SigTerm,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __SigBreak,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __SigAlrm,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __SigVtAlrm,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __SigProf,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __SigUsr1,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __SigUsr2,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __SigWinch,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __SigPipe,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __SigQuit,
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync __Sig_Last
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync};
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/** The type of a signal handler function. **/
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsynctypedef void __sighandler_t(int);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync__BEGIN_DECLS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync/** The signal function associates a "signal handler" with a signal number.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync For historical reasons; programs expect signal to be declared
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync in <sys/signal.h>.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] sig Signal number that function is to be associated with.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @param[in] function The "handler" function to be associated with signal sig.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync @return If the request can be honored, the signal function returns the
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync value of func for the most recent successful call to signal for
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync the specified signal sig. Otherwise, a value of SIG_ERR is
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync returned and a positive value is stored in errno.
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync */
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync__sighandler_t *signal(int sig, __sighandler_t *func);
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync__END_DECLS
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync
4fd606d1f5abe38e1f42c38de1d2e895166bd0f4vboxsync#endif /* _SYS_SIGNAL_H */