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#ifndef __siginfo_t_defined #define __siginfo_t_defined 1 #include <bits/wordsize.h> #include <bits/types.h> #include <bits/types/__sigval_t.h> #define __SI_MAX_SIZE 128 #if __WORDSIZE == 64 # define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 4) #else # define __SI_PAD_SIZE ((__SI_MAX_SIZE / sizeof (int)) - 3) #endif /* Some fields of siginfo_t have architecture-specific variations. / #include <bits/siginfo-arch.h> #ifndef __SI_ALIGNMENT # define __SI_ALIGNMENT / nothing / #endif #ifndef __SI_BAND_TYPE # define __SI_BAND_TYPE long int #endif #ifndef __SI_CLOCK_T # define __SI_CLOCK_T __clock_t #endif #ifndef __SI_ERRNO_THEN_CODE # define __SI_ERRNO_THEN_CODE 1 #endif #ifndef __SI_HAVE_SIGSYS # define __SI_HAVE_SIGSYS 1 #endif #ifndef __SI_SIGFAULT_ADDL # define __SI_SIGFAULT_ADDL / nothing / #endif typedef struct { int si_signo; / Signal number. / #if __SI_ERRNO_THEN_CODE int si_errno; / If non-zero, an errno value associated with this signal, as defined in <errno.h>. / int si_code; / Signal code. / #else int si_code; int si_errno; #endif #if __WORDSIZE == 64 int __pad0; / Explicit padding. / #endif union { int _pad[__SI_PAD_SIZE]; / kill(). / struct { __pid_t si_pid; / Sending process ID. / __uid_t si_uid; / Real user ID of sending process. / } _kill; / POSIX.1b timers. / struct { int si_tid; / Timer ID. / int si_overrun; / Overrun count. / __sigval_t si_sigval; / Signal value. / } _timer; / POSIX.1b signals. / struct { __pid_t si_pid; / Sending process ID. / __uid_t si_uid; / Real user ID of sending process. / __sigval_t si_sigval; / Signal value. / } _rt; / SIGCHLD. / struct { __pid_t si_pid; / Which child. / __uid_t si_uid; / Real user ID of sending process. / int si_status; / Exit value or signal. / __SI_CLOCK_T si_utime; __SI_CLOCK_T si_stime; } _sigchld; / SIGILL, SIGFPE, SIGSEGV, SIGBUS. / struct { void si_addr; /* Faulting insn/memory ref. / __SI_SIGFAULT_ADDL short int si_addr_lsb; / Valid LSB of the reported address. / union { / used when si_code=SEGV_BNDERR / struct { void _lower; void _upper; } _addr_bnd; / used when si_code=SEGV_PKUERR / __uint32_t _pkey; } _bounds; } _sigfault; / SIGPOLL. / struct { long int si_band; / Band event for SIGPOLL. / int si_fd; } _sigpoll; / SIGSYS. / #if __SI_HAVE_SIGSYS struct { void _call_addr; /* Calling user insn. / int _syscall; / Triggering system call number. / unsigned int _arch; / AUDIT_ARCH_* of syscall. / } _sigsys; #endif } _sifields; } siginfo_t __SI_ALIGNMENT; / X/Open requires some more fields with fixed names. */ #define si_pid _sifields._kill.si_pid #define si_uid _sifields._kill.si_uid #define si_timerid _sifields._timer.si_tid #define si_overrun _sifields._timer.si_overrun #define si_status _sifields._sigchld.si_status #define si_utime _sifields._sigchld.si_utime #define si_stime _sifields._sigchld.si_stime #define si_value _sifields._rt.si_sigval #define si_int _sifields._rt.si_sigval.sival_int #define si_ptr _sifields._rt.si_sigval.sival_ptr #define si_addr _sifields._sigfault.si_addr #define si_addr_lsb _sifields._sigfault.si_addr_lsb #define si_lower _sifields._sigfault._bounds._addr_bnd._lower #define si_upper _sifields._sigfault._bounds._addr_bnd._upper #define si_pkey _sifields._sigfault._bounds._pkey #define si_band _sifields._sigpoll.si_band #define si_fd _sifields._sigpoll.si_fd #if __SI_HAVE_SIGSYS # define si_call_addr _sifields._sigsys._call_addr # define si_syscall _sifields._sigsys._syscall # define si_arch _sifields._sigsys._arch #endif #endif