Define CLOCKS_PER_SEC type to the type clock_t

[platform/upstream/glibc.git] / bits / waitstatus.h

diff --git a/bits/waitstatus.h b/bits/waitstatus.h
index 8e97f27..9e698fe 100644 (file)
--- a/bits/waitstatus.h
+++ b/bits/waitstatus.h
@@ -1,24 +1,23 @@
 /* Definitions of status bits for `wait' et al.
-   Copyright (C) 1992, 1994, 1996, 1997 Free Software Foundation, Inc.
+   Copyright (C) 1992-2015 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 Library General Public License as
-   published by the Free Software Foundation; either version 2 of the
-   License, or (at your option) any later version.
+   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
-   Library General Public License for more details.
+   Lesser General Public License for more details.
 
-   You should have received a copy of the GNU Library General Public
-   License along with the GNU C Library; see the file COPYING.LIB.  If not,
-   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-   Boston, MA 02111-1307, USA.  */
+   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/>.  */
 
-#ifndef _SYS_WAIT_H
-#error "Never use <bits/waitstatus.h> directly; include <sys/wait.h> instead."
+#if !defined _SYS_WAIT_H && !defined _STDLIB_H
+# error "Never include <bits/waitstatus.h> directly; use <sys/wait.h> instead."
 #endif
 
 
@@ -38,67 +37,69 @@
 #define        __WIFEXITED(status)     (__WTERMSIG(status) == 0)
 
 /* Nonzero if STATUS indicates termination by a signal.  */
-#ifdef __GNUC__
-#define        __WIFSIGNALED(status)                                                 \
-  (__extension__ ({ int __status = (status);                                 \
-                   !__WIFSTOPPED(__status) && !__WIFEXITED(__status); }))
-#else  /* Not GCC.  */
-#define        __WIFSIGNALED(status)   (!__WIFSTOPPED(status) && !__WIFEXITED(status))
-#endif /* GCC.  */
+#define __WIFSIGNALED(status) \
+  (((signed char) (((status) & 0x7f) + 1) >> 1) > 0)
 
 /* Nonzero if STATUS indicates the child is stopped.  */
 #define        __WIFSTOPPED(status)    (((status) & 0xff) == 0x7f)
 
+/* Nonzero if STATUS indicates the child continued after a stop.  We only
+   define this if <bits/waitflags.h> provides the WCONTINUED flag bit.  */
+#ifdef WCONTINUED
+# define __WIFCONTINUED(status)        ((status) == __W_CONTINUED)
+#endif
+
 /* Nonzero if STATUS indicates the child dumped core.  */
 #define        __WCOREDUMP(status)     ((status) & __WCOREFLAG)
 
 /* Macros for constructing status values.  */
 #define        __W_EXITCODE(ret, sig)  ((ret) << 8 | (sig))
 #define        __W_STOPCODE(sig)       ((sig) << 8 | 0x7f)
+#define __W_CONTINUED          0xffff
 #define        __WCOREFLAG             0x80
 
 
-#ifdef __USE_BSD
+#ifdef __USE_MISC
 
-#include <endian.h>
+# include <endian.h>
 
 union wait
   {
     int w_status;
     struct
       {
-#if    __BYTE_ORDER == __LITTLE_ENDIAN
+# if   __BYTE_ORDER == __LITTLE_ENDIAN
        unsigned int __w_termsig:7; /* Terminating signal.  */
        unsigned int __w_coredump:1; /* Set if dumped core.  */
        unsigned int __w_retcode:8; /* Return code if exited normally.  */
        unsigned int:16;
-#endif                         /* Little endian.  */
-#if    __BYTE_ORDER == __BIG_ENDIAN
+# endif                                /* Little endian.  */
+# if   __BYTE_ORDER == __BIG_ENDIAN
        unsigned int:16;
        unsigned int __w_retcode:8;
        unsigned int __w_coredump:1;
        unsigned int __w_termsig:7;
-#endif                         /* Big endian.  */
+# endif                                /* Big endian.  */
       } __wait_terminated;
     struct
       {
-#if    __BYTE_ORDER == __LITTLE_ENDIAN
+# if   __BYTE_ORDER == __LITTLE_ENDIAN
        unsigned int __w_stopval:8; /* W_STOPPED if stopped.  */
        unsigned int __w_stopsig:8; /* Stopping signal.  */
        unsigned int:16;
-#endif                         /* Little endian.  */
-#if    __BYTE_ORDER == __BIG_ENDIAN
+# endif                                /* Little endian.  */
+# if   __BYTE_ORDER == __BIG_ENDIAN
        unsigned int:16;
        unsigned int __w_stopsig:8; /* Stopping signal.  */
        unsigned int __w_stopval:8; /* W_STOPPED if stopped.  */
-#endif                         /* Big endian.  */
+# endif                                /* Big endian.  */
       } __wait_stopped;
   };
 
-#define        w_termsig       __wait_terminated.__w_termsig
-#define        w_coredump      __wait_terminated.__w_coredump
-#define        w_retcode       __wait_terminated.__w_retcode
-#define        w_stopsig       __wait_stopped.__w_stopsig
-#define        w_stopval       __wait_stopped.__w_stopval
+# define w_termsig     __wait_terminated.__w_termsig
+# define w_coredump    __wait_terminated.__w_coredump
+# define w_retcode     __wait_terminated.__w_retcode
+# define w_stopsig     __wait_stopped.__w_stopsig
+# define w_stopval     __wait_stopped.__w_stopval
 
-#endif /* Use BSD.  */
+#endif /* Use misc.  */