1 /* Architecture-specific adjustments to siginfo_t.  x86 version.  */
2 #ifndef _BITS_SIGINFO_ARCH_H
3 #define _BITS_SIGINFO_ARCH_H 1
4 
5 #if defined __x86_64__ && __WORDSIZE == 32
6 /* si_utime and si_stime must be 4 byte aligned for x32 to match the
7    kernel.  We align siginfo_t to 8 bytes so that si_utime and
8    si_stime are actually aligned to 8 bytes since their offsets are
9    multiple of 8 bytes.  Note: with some compilers, the alignment
10    attribute would be ignored if it were put in __SI_CLOCK_T instead
11    of encapsulated in a typedef.  */
12 typedef __clock_t __attribute__ ((__aligned__ (4))) __sigchld_clock_t;
13 # define __SI_ALIGNMENT __attribute__ ((__aligned__ (8)))
14 # define __SI_CLOCK_T __sigchld_clock_t
15 #endif
16 
17 #endif
18