The branch stable/13 has been updated by dchagin: URL: https://cgit.FreeBSD.org/src/commit/?id=1705937d854bb71c58c2bd8777bd4a042726ccf3
commit 1705937d854bb71c58c2bd8777bd4a042726ccf3 Author: Dmitry Chagin <[email protected]> AuthorDate: 2022-06-22 11:00:05 +0000 Commit: Dmitry Chagin <[email protected]> CommitDate: 2022-07-06 11:02:12 +0000 libsysdecode: Add method for decoding Linux signal names Reviewed by: jhb Differential revision: https://reviews.freebsd.org/D35215 MFC after: 2 weeks (cherry picked from commit f85848fc61752c3823825cdee34104a640d7f6e0) --- lib/libsysdecode/linux.c | 79 ++++++++++++++++++++++++++++++++++++++++++++ lib/libsysdecode/sysdecode.h | 1 + 2 files changed, 80 insertions(+) diff --git a/lib/libsysdecode/linux.c b/lib/libsysdecode/linux.c index 68b6c3fa9472..6a8d30207835 100644 --- a/lib/libsysdecode/linux.c +++ b/lib/libsysdecode/linux.c @@ -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 @@ pidp: 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); +} diff --git a/lib/libsysdecode/sysdecode.h b/lib/libsysdecode/sysdecode.h index b1e7d1fb526c..6c1b0bd2d226 100644 --- a/lib/libsysdecode/sysdecode.h +++ b/lib/libsysdecode/sysdecode.h @@ -141,6 +141,7 @@ 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__ */
