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