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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 06:17:24 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-27 06:17:24 +0000
commit9d8085074991d5c0a42d6fc96a2d1a3ee918aad1 (patch)
treec85bca1e6c11eb872edfc64c524d20f2b7e3307b /include/posixwait.h
parentInitial commit. (diff)
downloadbash-9d8085074991d5c0a42d6fc96a2d1a3ee918aad1.tar.xz
bash-9d8085074991d5c0a42d6fc96a2d1a3ee918aad1.zip
Adding upstream version 5.1.upstream/5.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'include/posixwait.h')
-rw-r--r--include/posixwait.h107
1 files changed, 107 insertions, 0 deletions
diff --git a/include/posixwait.h b/include/posixwait.h
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+/* posixwait.h -- job control definitions from POSIX 1003.1 */
+
+/* Copyright (C) 1997 Free Software Foundation, Inc.
+
+ This file is part of GNU Bash, the Bourne Again SHell.
+
+ Bash is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ Bash is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with Bash. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#if !defined (_POSIXWAIT_H_)
+# define _POSIXWAIT_H_
+
+/* If _POSIX_VERSION is not defined, we assume that <sys/wait.h> defines
+ a `union wait' and various macros used to manipulate it. Look in
+ unionwait.h for the things we expect to find. */
+#if defined (HAVE_SYS_WAIT_H)
+# include <sys/wait.h>
+#else /* !HAVE_SYS_WAIT_H */
+# if !defined (_POSIX_VERSION)
+# include "unionwait.h"
+# endif
+#endif /* !HAVE_SYS_WAIT_H */
+
+/* How to get the status of a job. For Posix, this is just an
+ int, but for other systems we have to crack the union wait. */
+#if !defined (_POSIX_VERSION)
+typedef union wait WAIT;
+# define WSTATUS(t) (t.w_status)
+#else /* _POSIX_VERSION */
+typedef int WAIT;
+# define WSTATUS(t) (t)
+#endif /* _POSIX_VERSION */
+
+/* Make sure that parameters to wait3 are defined. */
+#if !defined (WNOHANG)
+# define WNOHANG 1
+# define WUNTRACED 2
+#endif /* WNOHANG */
+
+/* More Posix P1003.1 definitions. In the POSIX versions, the parameter is
+ passed as an `int', in the non-POSIX version, as `union wait'. */
+#if defined (_POSIX_VERSION)
+
+# if !defined (WSTOPSIG)
+# define WSTOPSIG(s) ((s) >> 8)
+# endif /* !WSTOPSIG */
+
+# if !defined (WTERMSIG)
+# define WTERMSIG(s) ((s) & 0177)
+# endif /* !WTERMSIG */
+
+# if !defined (WEXITSTATUS)
+# define WEXITSTATUS(s) ((s) >> 8)
+# endif /* !WEXITSTATUS */
+
+# if !defined (WIFSTOPPED)
+# define WIFSTOPPED(s) (((s) & 0177) == 0177)
+# endif /* !WIFSTOPPED */
+
+# if !defined (WIFEXITED)
+# define WIFEXITED(s) (((s) & 0377) == 0)
+# endif /* !WIFEXITED */
+
+# if !defined (WIFSIGNALED)
+# define WIFSIGNALED(s) (!WIFSTOPPED(s) && !WIFEXITED(s))
+# endif /* !WIFSIGNALED */
+
+# if !defined (WIFCORED)
+# if defined (WCOREDUMP)
+# define WIFCORED(s) (WCOREDUMP(s))
+# else
+# define WIFCORED(s) ((s) & 0200)
+# endif
+# endif /* !WIFCORED */
+
+#else /* !_POSIX_VERSION */
+
+# if !defined (WSTOPSIG)
+# define WSTOPSIG(s) ((s).w_stopsig)
+# endif /* !WSTOPSIG */
+
+# if !defined (WTERMSIG)
+# define WTERMSIG(s) ((s).w_termsig)
+# endif /* !WTERMSIG */
+
+# if !defined (WEXITSTATUS)
+# define WEXITSTATUS(s) ((s).w_retcode)
+# endif /* !WEXITSTATUS */
+
+# if !defined (WIFCORED)
+# define WIFCORED(s) ((s).w_coredump)
+# endif /* !WIFCORED */
+
+#endif /* !_POSIX_VERSION */
+
+#endif /* !_POSIXWAIT_H_ */