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eeb20775d2
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.
65 lines
1.5 KiB
C
65 lines
1.5 KiB
C
#ifndef COSMOPOLITAN_LIBC_CALLS_STRUCT_SIGINFO_H_
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#define COSMOPOLITAN_LIBC_CALLS_STRUCT_SIGINFO_H_
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#include "libc/calls/struct/sigval.h"
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COSMOPOLITAN_C_START_
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struct siginfo {
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int32_t si_signo;
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int32_t si_errno;
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int32_t si_code; /* {SICODE,SEGV,ILL,FPE,POLL}_xxx */
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union {
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struct {
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union {
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struct {
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/* signals sent by kill() and sigqueue() set these */
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int32_t si_pid;
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uint32_t si_uid;
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};
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struct {
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/* SIGALRM sets these */
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int32_t si_timerid;
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int32_t si_overrun;
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};
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};
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union {
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union sigval si_value; /* provided by third arg of sigqueue(2) */
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struct {
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int32_t si_status;
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int64_t si_utime;
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int64_t si_stime;
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};
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};
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};
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struct {
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void *si_addr;
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int16_t si_addr_lsb;
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union {
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struct {
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void *si_lower;
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void *si_upper;
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};
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uint32_t si_pkey;
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};
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};
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struct {
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int64_t si_band; /* SIGPOLL */
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int32_t si_fd;
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};
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struct {
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void *si_call_addr;
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int32_t si_syscall;
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uint32_t si_arch;
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};
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char __ignoreme[128 - 2 * sizeof(int32_t) - sizeof(int64_t)];
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};
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};
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typedef struct siginfo siginfo_t;
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#ifdef _COSMO_SOURCE
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void __minicrash(int, siginfo_t *, void *) libcesque;
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char __is_stack_overflow(siginfo_t *, void *) libcesque;
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#endif
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COSMOPOLITAN_C_END_
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#endif /* COSMOPOLITAN_LIBC_CALLS_STRUCT_SIGINFO_H_ */
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