cosmopolitan/libc/calls/struct/siginfo.h
Justine Tunney eeb20775d2
Add dontthrow attribute to most libc functions
This will help C++ code that uses exceptions to be tinier. For example,
this change shaves away 1000 lines of assembly code from LLVM's libcxx,
which is 0.7% of all assembly instructions in the entire library.
2024-01-09 01:26:03 -08:00

66 lines
1.5 KiB
C

#ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_SIGINFO_H_
#define COSMOPOLITAN_LIBC_CALLS_STRUCT_SIGINFO_H_
#include "libc/calls/struct/sigval.h"
COSMOPOLITAN_C_START_
struct siginfo {
int32_t si_signo;
int32_t si_errno;
int32_t si_code; /* {SICODE,SEGV,ILL,FPE,POLL}_xxx */
union {
struct {
union {
struct {
/* signals sent by kill() and sigqueue() set these */
int32_t si_pid;
uint32_t si_uid;
};
struct {
/* SIGALRM sets these */
int32_t si_timerid;
int32_t si_overrun;
};
};
union {
union sigval si_value; /* provided by third arg of sigqueue(2) */
struct {
int32_t si_status;
int64_t si_utime;
int64_t si_stime;
};
};
};
struct {
void *si_addr;
int16_t si_addr_lsb;
union {
struct {
void *si_lower;
void *si_upper;
};
uint32_t si_pkey;
};
};
struct {
int64_t si_band; /* SIGPOLL */
int32_t si_fd;
};
struct {
void *si_call_addr;
int32_t si_syscall;
uint32_t si_arch;
};
char __ignoreme[128 - 2 * sizeof(int32_t) - sizeof(int64_t)];
};
};
typedef struct siginfo siginfo_t;
#ifdef _COSMO_SOURCE
void __minicrash(int, siginfo_t *, void *) libcesque;
char __is_stack_overflow(siginfo_t *, void *) libcesque;
#endif
COSMOPOLITAN_C_END_
#endif /* COSMOPOLITAN_LIBC_CALLS_STRUCT_SIGINFO_H_ */