[mirror_edk2.git] / StdLib / Include / sys / signal.h

/**\r
Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>\r
This program and the accompanying materials are licensed and made available under\r
the terms and conditions of the BSD License that accompanies this distribution.\r
The full text of the license may be found at\r
http://opensource.org/licenses/bsd-license.php.\r
\r
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
**/\r
#ifndef _SYS_SIGNAL_H\r
#define _SYS_SIGNAL_H\r
#include  <sys/EfiCdefs.h>\r
#include  <machine/signal.h>\r
\r
enum {\r
  __SigInt    = 1,\r
  __SigIll,\r
  __SigAbrt,\r
  __SigFpe,\r
  __SigSegv,\r
  __SigTerm,\r
  __SigBreak,\r
  __SigAlrm,\r
  __SigVtAlrm,\r
  __SigProf,\r
  __SigUsr1,\r
  __SigUsr2,\r
  __SigWinch,\r
  __SigPipe,\r
  __SigQuit,\r
  __Sig_Last\r
};\r
\r
/** The type of a signal handler function. **/\r
typedef void __sighandler_t(int);\r
\r
/** The signal function associates a "signal handler" with a signal number.\r
\r
    For historical reasons; programs expect signal to be declared\r
    in <sys/signal.h>.\r
\r
    @param[in]  sig       Signal number that function is to be associated with.\r
    @param[in]  function  The "handler" function to be associated with signal sig.\r
\r
    @return     If the request can be honored, the signal function returns the\r
                value of func for the most recent successful call to signal for\r
                the specified signal sig. Otherwise, a value of SIG_ERR is\r
                returned and a positive value is stored in errno.\r
 */\r
__BEGIN_DECLS\r
__sighandler_t  *signal(int sig, __sighandler_t *func);\r
__END_DECLS\r
\r
#endif    /* _SYS_SIGNAL_H */\r
Commit	Line	Data
2aa62f2b	1	/**\r
d7ce7006	2	Copyright (c) 2010 - 2011, Intel Corporation. All rights reserved.<BR>\r
2aa62f2b	3	This program and the accompanying materials are licensed and made available under\r
	4	the terms and conditions of the BSD License that accompanies this distribution.\r
	5	The full text of the license may be found at\r
	6	http://opensource.org/licenses/bsd-license.php.\r
	7	\r
	8	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
	9	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
	10	\r
	11	**/\r
	12	#ifndef _SYS_SIGNAL_H\r
	13	#define _SYS_SIGNAL_H\r
	14	#include <sys/EfiCdefs.h>\r
	15	#include <machine/signal.h>\r
	16	\r
53e1e5c6	17	enum {\r
	18	__SigInt = 1,\r
	19	__SigIll,\r
	20	__SigAbrt,\r
	21	__SigFpe,\r
	22	__SigSegv,\r
	23	__SigTerm,\r
	24	__SigBreak,\r
d7ce7006	25	__SigAlrm,\r
	26	__SigVtAlrm,\r
	27	__SigProf,\r
	28	__SigUsr1,\r
	29	__SigUsr2,\r
	30	__SigWinch,\r
	31	__SigPipe,\r
	32	__SigQuit,\r
53e1e5c6	33	__Sig_Last\r
	34	};\r
	35	\r
2aa62f2b	36	/ The type of a signal handler function. /\r
	37	typedef void __sighandler_t(int);\r
	38	\r
	39	/** The signal function associates a "signal handler" with a signal number.\r
	40	\r
	41	For historical reasons; programs expect signal to be declared\r
	42	in <sys/signal.h>.\r
	43	\r
	44	@param[in] sig Signal number that function is to be associated with.\r
	45	@param[in] function The "handler" function to be associated with signal sig.\r
	46	\r
	47	@return If the request can be honored, the signal function returns the\r
	48	value of func for the most recent successful call to signal for\r
	49	the specified signal sig. Otherwise, a value of SIG_ERR is\r
	50	returned and a positive value is stored in errno.\r
	51	*/\r
	52	__BEGIN_DECLS\r
	53	__sighandler_t signal(int sig, __sighandler_t func);\r
	54	__END_DECLS\r
	55	\r
	56	#endif /* _SYS_SIGNAL_H */\r