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      1 /* Copyright (C) 2007, 2008 Free Software Foundation, Inc.
      2    This file is part of the GNU C Library.
      3 
      4    The GNU C Library is free software; you can redistribute it and/or
      5    modify it under the terms of the GNU Lesser General Public
      6    License as published by the Free Software Foundation; either
      7    version 2.1 of the License, or (at your option) any later version.
      8 
      9    The GNU C Library is distributed in the hope that it will be useful,
     10    but WITHOUT ANY WARRANTY; without even the implied warranty of
     11    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     12    Lesser General Public License for more details.
     13 
     14    You should have received a copy of the GNU Lesser General Public
     15    License along with the GNU C Library; if not, write to the Free
     16    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
     17    02111-1307 USA.  */
     18 
     19 #ifndef	_SYS_SIGNALFD_H
     20 #define	_SYS_SIGNALFD_H	1
     21 
     22 #define __need_sigset_t
     23 #include <signal.h>
     24 #include <stdint.h>
     25 
     26 
     27 struct signalfd_siginfo
     28 {
     29   uint32_t ssi_signo;
     30   int32_t ssi_errno;
     31   int32_t ssi_code;
     32   uint32_t ssi_pid;
     33   uint32_t ssi_uid;
     34   int32_t ssi_fd;
     35   uint32_t ssi_tid;
     36   uint32_t ssi_band;
     37   uint32_t ssi_overrun;
     38   uint32_t ssi_trapno;
     39   int32_t ssi_status;
     40   int32_t ssi_int;
     41   uint64_t ssi_ptr;
     42   uint64_t ssi_utime;
     43   uint64_t ssi_stime;
     44   uint64_t ssi_addr;
     45   uint8_t __pad[48];
     46 };
     47 
     48 /* Flags for signalfd.  */
     49 enum
     50   {
     51     SFD_CLOEXEC = 02000000,
     52 #define SFD_CLOEXEC SFD_CLOEXEC
     53     SFD_NONBLOCK = 04000
     54 #define SFD_NONBLOCK SFD_NONBLOCK
     55   };
     56 
     57 __BEGIN_DECLS
     58 
     59 /* Request notification for delivery of signals in MASK to be
     60    performed using descriptor FD.*/
     61 extern int signalfd (int __fd, const sigset_t *__mask, int __flags)
     62   __THROW __nonnull ((2));
     63 
     64 __END_DECLS
     65 
     66 #endif /* sys/signalfd.h */
     67