siginfo.h: __SIGEV_PAD_SIZE takes __WORDSIZE into account
Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>

From b97b4b698b023f75b54f987859c856ab4861ea00 Mon Sep 17 00:00:00 2001
From: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Date: Thu, 02 Jan 2014 15:02:12 +0000
Subject: siginfo.h: __SIGEV_PAD_SIZE takes __WORDSIZE into account

Make __SIGEV_PAD_SIZE to take __WORDSIZE into account for alpha, mips
and ia64 arches.

Signed-off-by: Vicente Olivert Riera <Vincent.Riera@imgtec.com>
Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
---
(limited to 'libc/sysdeps/linux')

diff --git a/libc/sysdeps/linux/alpha/bits/siginfo.h b/libc/sysdeps/linux/alpha/bits/siginfo.h
index 9993f66..0a37ad0 100644
--- a/libc/sysdeps/linux/alpha/bits/siginfo.h
+++ b/libc/sysdeps/linux/alpha/bits/siginfo.h
@@ -257,7 +257,11 @@ enum
 
 /* Structure to transport application-defined values with signals.  */
 # define __SIGEV_MAX_SIZE	64
-# define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
+# if __WORDSIZE == 64
+#  define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
+# else
+#  define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
+# endif
 
 typedef struct sigevent
   {
diff --git a/libc/sysdeps/linux/ia64/bits/siginfo.h b/libc/sysdeps/linux/ia64/bits/siginfo.h
index 82cc73f..3ac988b 100644
--- a/libc/sysdeps/linux/ia64/bits/siginfo.h
+++ b/libc/sysdeps/linux/ia64/bits/siginfo.h
@@ -297,7 +297,11 @@ enum
 
 /* Structure to transport application-defined values with signals.  */
 # define __SIGEV_MAX_SIZE	64
-# define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
+# if __WORDSIZE == 64
+#  define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
+# else
+#  define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
+# endif
 
 typedef struct sigevent
   {
diff --git a/libc/sysdeps/linux/mips/bits/siginfo.h b/libc/sysdeps/linux/mips/bits/siginfo.h
index 84b08ca..a6e4135 100644
--- a/libc/sysdeps/linux/mips/bits/siginfo.h
+++ b/libc/sysdeps/linux/mips/bits/siginfo.h
@@ -264,8 +264,11 @@ enum
 
 /* Structure to transport application-defined values with signals.  */
 # define __SIGEV_MAX_SIZE	64
-# define __SIGEV_HEAD_SIZE	(sizeof(long) + 2*sizeof(int))
-# define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE - __SIGEV_HEAD_SIZE) / sizeof (int))
+# if __WORDSIZE == 64
+#  define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE / sizeof (int)) - 4)
+# else
+#  define __SIGEV_PAD_SIZE	((__SIGEV_MAX_SIZE / sizeof (int)) - 3)
+# endif
 
 /* Forward declaration of the `pthread_attr_t' type.  */
 struct __pthread_attr_s;
--
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