1 /* unionwait.h -- definitions for using a `union wait' on systems without
4 /* Copyright (C) 1996 Free Software Foundation, Inc.
6 This file is part of GNU Bash, the Bourne Again SHell.
8 Bash is free software; you can redistribute it and/or modify it under
9 the terms of the GNU General Public License as published by the Free
10 Software Foundation; either version 2, or (at your option) any later
13 Bash is distributed in the hope that it will be useful, but WITHOUT ANY
14 WARRANTY; without even the implied warranty of MERCHANTABILITY or
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
18 You should have received a copy of the GNU General Public License along
19 with Bash; see the file COPYING. If not, write to the Free Software
20 Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
25 #if !defined (WORDS_BIGENDIAN)
28 int w_status; /* used in syscall */
30 /* Terminated process status. */
34 w_Termsig : 7, /* termination signal */
35 w_Coredump : 1, /* core dump indicator */
36 w_Retcode : 8, /* exit code if w_termsig==0 */
37 w_Fill1 : 16; /* high 16 bits unused */
40 /* Stopped process status. Returned
41 only for traced children unless requested
42 with the WUNTRACED option bit. */
46 w_Stopval : 8, /* == W_STOPPED if stopped */
47 w_Stopsig : 8, /* actually zero on XENIX */
48 w_Fill2 : 16; /* high 16 bits unused */
52 #else /* WORDS_BIGENDIAN */
54 /* This is for big-endian machines like the IBM RT, HP 9000, or Sun-3 */
58 int w_status; /* used in syscall */
60 /* Terminated process status. */
63 unsigned short w_Fill1 : 16; /* high 16 bits unused */
64 unsigned w_Retcode : 8; /* exit code if w_termsig==0 */
65 unsigned w_Coredump : 1; /* core dump indicator */
66 unsigned w_Termsig : 7; /* termination signal */
69 /* Stopped process status. Returned
70 only for traced children unless requested
71 with the WUNTRACED option bit. */
74 unsigned short w_Fill2 : 16; /* high 16 bits unused */
75 unsigned w_Stopsig : 8; /* signal that stopped us */
76 unsigned w_Stopval : 8; /* == W_STOPPED if stopped */
80 #endif /* WORDS_BIGENDIAN */
82 #define w_termsig w_T.w_Termsig
83 #define w_coredump w_T.w_Coredump
84 #define w_retcode w_T.w_Retcode
85 #define w_stopval w_S.w_Stopval
86 #define w_stopsig w_S.w_Stopsig
89 #define WIFSTOPPED(x) ((x).w_stopval == WSTOPPED)
90 #define WIFEXITED(x) ((x).w_stopval != WSTOPPED && (x).w_termsig == 0)
91 #define WIFSIGNALED(x) ((x).w_stopval != WSTOPPED && (x).w_termsig != 0)
93 #define WTERMSIG(x) ((x).w_termsig)
94 #define WSTOPSIG(x) ((x).w_stopsig)
95 #define WEXITSTATUS(x) ((x).w_retcode)
96 #define WIFCORED(x) ((x).w_coredump)
98 #endif /* _UNIONWAIT_H */