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osdep: add wait.h compat macros 

Man page for WCOREDUMP says:

  WCOREDUMP(wstatus) returns true if the child produced a core dump.
  This macro should be employed only if WIFSIGNALED returned true.

  This  macro  is  not  specified  in POSIX.1-2001 and is not
  available on some UNIX implementations (e.g., AIX, SunOS).  Therefore,
  enclose its use inside #ifdef WCOREDUMP ... #endif.

Let's do exactly this.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
This commit is contained in:
Michael S. Tsirkin 2018-05-24 21:09:52 +03:00
parent e3af2928f8
commit 28012e190e
1 changed files with 10 additions and 0 deletions
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10
include/qemu/osdep.h
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@ -107,6 +107,16 @@ extern int daemon(int, int);
#include "glib-compat.h"
#include "qemu/typedefs.h"
/*
* According to waitpid man page:
* WCOREDUMP
* This macro is not specified in POSIX.1-2001 and is not
* available on some UNIX implementations (e.g., AIX, SunOS).
* Therefore, enclose its use inside #ifdef WCOREDUMP ... #endif.
*/
#ifndef WCOREDUMP
#define WCOREDUMP(status) 0
#endif
/*
* We have a lot of unaudited code that may fail in strange ways, or
* even be a security risk during migration, if you disable assertions