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authorZack Weinberg <zackw@panix.com>2017-06-08 15:39:03 -0400
committerZack Weinberg <zackw@panix.com>2017-06-08 15:39:03 -0400
commit5046dbb4a7eba5eccfd258f92f4735c9ffc8d069 (patch)
tree4470480d904b65cf14ca524f96f79eca818c3eaf /REORG.TODO/posix/sys/wait.h
parent199fc19d3aaaf57944ef036e15904febe877fc93 (diff)
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Prepare for radical source tree reorganization. zack/build-layout-experiment
All top-level files and directories are moved into a temporary storage
directory, REORG.TODO, except for files that will certainly still
exist in their current form at top level when we're done (COPYING,
COPYING.LIB, LICENSES, NEWS, README), all old ChangeLog files (which
are moved to the new directory OldChangeLogs, instead), and the
generated file INSTALL (which is just deleted; in the new order, there
will be no generated files checked into version control).
Diffstat (limited to 'REORG.TODO/posix/sys/wait.h')
-rw-r--r--REORG.TODO/posix/sys/wait.h146
1 files changed, 146 insertions, 0 deletions
diff --git a/REORG.TODO/posix/sys/wait.h b/REORG.TODO/posix/sys/wait.h
new file mode 100644
index 0000000000..d5b7e4d8d4
--- /dev/null
+++ b/REORG.TODO/posix/sys/wait.h
@@ -0,0 +1,146 @@
+/* Copyright (C) 1991-2017 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C Library 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+/*
+ *	POSIX Standard: 3.2.1 Wait for Process Termination	<sys/wait.h>
+ */
+
+#ifndef	_SYS_WAIT_H
+#define	_SYS_WAIT_H	1
+
+#include <features.h>
+
+__BEGIN_DECLS
+
+#include <signal.h>
+
+/* These macros could also be defined in <stdlib.h>.  */
+#if !defined _STDLIB_H || (!defined __USE_XOPEN && !defined __USE_XOPEN2K8)
+/* This will define the `W*' macros for the flag
+   bits to `waitpid', `wait3', and `wait4'.  */
+# include <bits/waitflags.h>
+
+/* This will define all the `__W*' macros.  */
+# include <bits/waitstatus.h>
+
+# define WEXITSTATUS(status)	__WEXITSTATUS (status)
+# define WTERMSIG(status)	__WTERMSIG (status)
+# define WSTOPSIG(status)	__WSTOPSIG (status)
+# define WIFEXITED(status)	__WIFEXITED (status)
+# define WIFSIGNALED(status)	__WIFSIGNALED (status)
+# define WIFSTOPPED(status)	__WIFSTOPPED (status)
+# ifdef __WIFCONTINUED
+#  define WIFCONTINUED(status)	__WIFCONTINUED (status)
+# endif
+#endif	/* <stdlib.h> not included.  */
+
+#ifdef	__USE_MISC
+# define WCOREFLAG		__WCOREFLAG
+# define WCOREDUMP(status)	__WCOREDUMP (status)
+# define W_EXITCODE(ret, sig)	__W_EXITCODE (ret, sig)
+# define W_STOPCODE(sig)	__W_STOPCODE (sig)
+#endif
+
+/* The following values are used by the `waitid' function.  */
+#if defined __USE_XOPEN || defined __USE_XOPEN2K8
+typedef enum
+{
+  P_ALL,		/* Wait for any child.  */
+  P_PID,		/* Wait for specified process.  */
+  P_PGID		/* Wait for members of process group.  */
+} idtype_t;
+#endif
+
+
+/* Wait for a child to die.  When one does, put its status in *STAT_LOC
+   and return its process ID.  For errors, return (pid_t) -1.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern __pid_t wait (int *__stat_loc);
+
+#ifdef	__USE_MISC
+/* Special values for the PID argument to `waitpid' and `wait4'.  */
+# define WAIT_ANY	(-1)	/* Any process.  */
+# define WAIT_MYPGRP	0	/* Any process in my process group.  */
+#endif
+
+/* Wait for a child matching PID to die.
+   If PID is greater than 0, match any process whose process ID is PID.
+   If PID is (pid_t) -1, match any process.
+   If PID is (pid_t) 0, match any process with the
+   same process group as the current process.
+   If PID is less than -1, match any process whose
+   process group is the absolute value of PID.
+   If the WNOHANG bit is set in OPTIONS, and that child
+   is not already dead, return (pid_t) 0.  If successful,
+   return PID and store the dead child's status in STAT_LOC.
+   Return (pid_t) -1 for errors.  If the WUNTRACED bit is
+   set in OPTIONS, return status for stopped children; otherwise don't.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern __pid_t waitpid (__pid_t __pid, int *__stat_loc, int __options);
+
+#if defined __USE_XOPEN || defined __USE_XOPEN2K8
+# ifndef __id_t_defined
+#  include <bits/types.h>
+typedef __id_t id_t;
+#  define __id_t_defined
+# endif
+
+# include <bits/types/siginfo_t.h>
+
+/* Wait for a childing matching IDTYPE and ID to change the status and
+   place appropriate information in *INFOP.
+   If IDTYPE is P_PID, match any process whose process ID is ID.
+   If IDTYPE is P_PGID, match any process whose process group is ID.
+   If IDTYPE is P_ALL, match any process.
+   If the WNOHANG bit is set in OPTIONS, and that child
+   is not already dead, clear *INFOP and return 0.  If successful, store
+   exit code and status in *INFOP.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern int waitid (idtype_t __idtype, __id_t __id, siginfo_t *__infop,
+		   int __options);
+#endif
+
+#if defined __USE_MISC || defined __USE_XOPEN_EXTENDED
+/* This being here makes the prototypes valid whether or not
+   we have already included <sys/resource.h> to define `struct rusage'.  */
+struct rusage;
+
+/* Wait for a child to exit.  When one does, put its status in *STAT_LOC and
+   return its process ID.  For errors return (pid_t) -1.  If USAGE is not
+   nil, store information about the child's resource usage there.  If the
+   WUNTRACED bit is set in OPTIONS, return status for stopped children;
+   otherwise don't.  */
+extern __pid_t wait3 (int *__stat_loc, int __options,
+		      struct rusage * __usage) __THROWNL;
+#endif
+
+#ifdef __USE_MISC
+/* PID is like waitpid.  Other args are like wait3.  */
+extern __pid_t wait4 (__pid_t __pid, int *__stat_loc, int __options,
+		      struct rusage *__usage) __THROWNL;
+#endif /* Use misc.  */
+
+
+__END_DECLS
+
+#endif /* sys/wait.h  */