diff options
Diffstat (limited to 'include/libbb.h')
| -rw-r--r-- | include/libbb.h | 29 |
1 files changed, 26 insertions, 3 deletions
diff --git a/include/libbb.h b/include/libbb.h index eb8b2f620..873ab8798 100644 --- a/include/libbb.h +++ b/include/libbb.h @@ -274,9 +274,32 @@ char *xrealloc_getcwd_or_warn(char *cwd); char *xmalloc_follow_symlinks(const char *path); -//enum { -// BB_SIGS_FATAL = , -//}; +enum { + /* bb_signals(BB_SIGS_FATAL, handler) catches all signals which + * otherwise would kill us, except for those resulting from bugs: + * SIGSEGV, SIGILL, SIGFPE. + * Other fatal signals not included (TODO?): + * SIGBUS Bus error (bad memory access) + * SIGPOLL Pollable event. Synonym of SIGIO + * SIGPROF Profiling timer expired + * SIGSYS Bad argument to routine + * SIGTRAP Trace/breakpoint trap + */ + BB_SIGS_FATAL = 0 + + (1 << SIGHUP) + + (1 << SIGINT) + + (1 << SIGTERM) + + (1 << SIGPIPE) // Write to pipe with no readers + + (1 << SIGQUIT) // Quit from keyboard + + (1 << SIGABRT) // Abort signal from abort(3) + + (1 << SIGALRM) // Timer signal from alarm(2) + + (1 << SIGVTALRM) // Virtual alarm clock + + (1 << SIGXCPU) // CPU time limit exceeded + + (1 << SIGXFSZ) // File size limit exceeded + + (1 << SIGUSR1) // Yes kids, these are also fatal! + + (1 << SIGUSR2) + + 0, +}; void bb_signals(int sigs, void (*f)(int)); /* Unlike signal() and bb_signals, sets handler with sigaction() * and in a way that while signal handler is run, no other signals |