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libsysdecode: Add method for decoding Linux signal names

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Reviewed by:		jhb
Differential revision:	https://reviews.freebsd.org/D35215
MFC after:		2 weeks
This commit is contained in:
Dmitry Chagin 2022-06-22 14:00:05 +03:00
parent b69ae1a34c
commit f85848fc61
2 changed files with 80 additions and 0 deletions
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79
lib/libsysdecode/linux.c
View file

@ -66,6 +66,76 @@ __FBSDID("$FreeBSD$");
#undef TABLE_ENTRY
#undef TABLE_END
static const char *linux_signames[] = {
[LINUX_SIGHUP] = "SIGHUP",
[LINUX_SIGINT] = "SIGINT",
[LINUX_SIGQUIT] = "SIGQUIT",
[LINUX_SIGILL] = "SIGILL",
[LINUX_SIGTRAP] = "SIGTRAP",
[LINUX_SIGABRT] = "SIGABRT",
[LINUX_SIGBUS] = "SIGBUS",
[LINUX_SIGFPE] = "SIGFPE",
[LINUX_SIGKILL] = "SIGKILL",
[LINUX_SIGUSR1] = "SIGUSR1",
[LINUX_SIGSEGV] = "SIGSEGV",
[LINUX_SIGUSR2] = "SIGUSR2",
[LINUX_SIGPIPE] = "SIGPIPE",
[LINUX_SIGALRM] = "SIGALRM",
[LINUX_SIGTERM] = "SIGTERM",
[LINUX_SIGSTKFLT] = "SIGSTKFLT",
[LINUX_SIGCHLD] = "SIGCHLD",
[LINUX_SIGCONT] = "SIGCONT",
[LINUX_SIGSTOP] = "SIGSTOP",
[LINUX_SIGTSTP] = "SIGTSTP",
[LINUX_SIGTTIN] = "SIGTTIN",
[LINUX_SIGTTOU] = "SIGTTOU",
[LINUX_SIGURG] = "SIGURG",
[LINUX_SIGXCPU] = "SIGXCPU",
[LINUX_SIGXFSZ] = "SIGXFSZ",
[LINUX_SIGVTALRM] = "SIGVTALRM",
[LINUX_SIGPROF] = "SIGPROF",
[LINUX_SIGWINCH] = "SIGWINCH",
[LINUX_SIGIO] = "SIGIO",
[LINUX_SIGPWR] = "SIGPWR",
[LINUX_SIGSYS] = "SIGSYS",
[LINUX_SIGRTMIN] = "SIGCANCEL",
[LINUX_SIGRTMIN + 1] = "SIGSETXID",
[LINUX_SIGRTMIN + 2] = "SIGRT2",
[LINUX_SIGRTMIN + 3] = "SIGRT3",
[LINUX_SIGRTMIN + 4] = "SIGRT4",
[LINUX_SIGRTMIN + 5] = "SIGRT5",
[LINUX_SIGRTMIN + 6] = "SIGRT6",
[LINUX_SIGRTMIN + 7] = "SIGRT7",
[LINUX_SIGRTMIN + 8] = "SIGRT8",
[LINUX_SIGRTMIN + 9] = "SIGRT9",
[LINUX_SIGRTMIN + 10] = "SIGRT10",
[LINUX_SIGRTMIN + 11] = "SIGRT11",
[LINUX_SIGRTMIN + 12] = "SIGRT12",
[LINUX_SIGRTMIN + 13] = "SIGRT13",
[LINUX_SIGRTMIN + 14] = "SIGRT14",
[LINUX_SIGRTMIN + 15] = "SIGRT15",
[LINUX_SIGRTMIN + 16] = "SIGRT16",
[LINUX_SIGRTMIN + 17] = "SIGRT17",
[LINUX_SIGRTMIN + 18] = "SIGRT18",
[LINUX_SIGRTMIN + 19] = "SIGRT19",
[LINUX_SIGRTMIN + 20] = "SIGRT20",
[LINUX_SIGRTMIN + 21] = "SIGRT21",
[LINUX_SIGRTMIN + 22] = "SIGRT22",
[LINUX_SIGRTMIN + 23] = "SIGRT23",
[LINUX_SIGRTMIN + 24] = "SIGRT24",
[LINUX_SIGRTMIN + 25] = "SIGRT25",
[LINUX_SIGRTMIN + 26] = "SIGRT26",
[LINUX_SIGRTMIN + 27] = "SIGRT27",
[LINUX_SIGRTMIN + 28] = "SIGRT28",
[LINUX_SIGRTMIN + 29] = "SIGRT29",
[LINUX_SIGRTMIN + 30] = "SIGRT30",
[LINUX_SIGRTMIN + 31] = "SIGRT31",
[LINUX_SIGRTMIN + 32] = "SIGRTMAX",
};
_Static_assert(nitems(linux_signames) == LINUX_SIGRTMAX + 1,
"invalid entries count in linux_signames");
void
sysdecode_linux_clockid(FILE *fp, clockid_t which)
{
@ -104,3 +174,12 @@ sysdecode_linux_clockid(FILE *fp, clockid_t which)
pid = LINUX_CPUCLOCK_ID(which);
fprintf(fp, "(%d)", pid);
}
const char *
sysdecode_linux_signal(int sig)
{
if ((unsigned)sig < nitems(linux_signames))
return (linux_signames[sig]);
return (NULL);
}

1
lib/libsysdecode/sysdecode.h
View file

@ -139,6 +139,7 @@ bool sysdecode_shmflags(FILE *_fp, int _flags, int *_rem);
#define SYSDECODE_HAVE_LINUX
void sysdecode_linux_clockid(FILE *_fp, clockid_t _which);
const char *sysdecode_linux_signal(int _sig);
#endif /* __i386__ || __amd64__ || __aarch64__ */