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      1 /*
      2  * Copyright (C) 2008 The Android Open Source Project
      3  * 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  *  * Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  *  * Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in
     12  *    the documentation and/or other materials provided with the
     13  *    distribution.
     14  *
     15  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     16  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     17  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
     18  * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
     19  * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
     20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     21  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
     22  * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     23  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     24  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
     25  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     26  * SUCH DAMAGE.
     27  */
     28 #ifndef _SYS_WAIT_H_
     29 #define _SYS_WAIT_H_
     30 
     31 #include <sys/cdefs.h>
     32 #include <sys/types.h>
     33 #include <sys/resource.h>
     34 #include <linux/wait.h>
     35 
     36 __BEGIN_DECLS
     37 
     38 #define WEXITSTATUS(s)  (((s) & 0xff00) >> 8)
     39 #define WCOREDUMP(s)    ((s) & 0x80)
     40 #define WTERMSIG(s)     ((s) & 0x7f)
     41 #define WSTOPSIG(s)     WEXITSTATUS(s)
     42 
     43 #define WIFEXITED(s)    (WTERMSIG(s) == 0)
     44 #define WIFSTOPPED(s)   (WTERMSIG(s) == 0x7f)
     45 #define WIFSIGNALED(s)  (WTERMSIG((s)+1) >= 2)
     46 
     47 extern pid_t  wait(int *);
     48 extern pid_t  waitpid(pid_t, int *, int);
     49 extern pid_t  wait3(int *, int, struct rusage *);
     50 static __inline__ pid_t  wait4(pid_t p, int *s, int o, struct rusage *r)
     51 {
     52    extern pid_t  __wait4(pid_t, int *, int, struct rusage *);
     53    return __wait4(p,s,o,r);
     54 }
     55 
     56 __END_DECLS
     57 
     58 #endif /* _SYS_WAIT_H_ */
     59