Add generic_signal() handler, which sets toys.signal and writes byte to toys.signalfd if set.
diff --git a/lib/lib.c b/lib/lib.c
index 1ab8035..bbe8f33 100644
--- a/lib/lib.c
+++ b/lib/lib.c
@@ -614,12 +614,24 @@
// not in posix: SIGNIFY(STKFLT), SIGNIFY(WINCH), SIGNIFY(IO), SIGNIFY(PWR)
// obsolete: SIGNIFY(PROF) SIGNIFY(POLL)
+// Handler that sets toys.signal, and writes to toys.signalfd if set
+void generic_signal(int sig)
+{
+ if (toys.signalfd) {
+ char c = sig;
+
+ writeall(toys.signalfd, &c, 1);
+ }
+ toys.signal = sig;
+}
+
// Install the same handler on every signal that defaults to killing the process
void sigatexit(void *handler)
{
int i;
for (i=0; signames[i].num != SIGCHLD; i++) signal(signames[i].num, handler);
}
+
// Convert name to signal number. If name == NULL print names.
int sig_to_num(char *pidstr)
{