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siginfo_t.h
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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