commit d927e6fa1e990685dd353bd3f526924fdcc179b8
Author: Emery Hemingway <ehmry@posteo.net>
Date:   Tue Oct 20 16:50:49 2020 +0200

    libc: exit for raise(SIGQUIT/SIGABRT/SIGKILL)

diff --git a/repos/libports/src/lib/libc/dummies.cc b/repos/libports/src/lib/libc/dummies.cc
index 91a5ed34a8..b01d95f717 100644
--- a/repos/libports/src/lib/libc/dummies.cc
+++ b/repos/libports/src/lib/libc/dummies.cc
@@ -123,7 +123,6 @@ DUMMY(void *,  0, ___mtctxres, (void))
 DUMMY(void *,  0, __nsdefaultsrc, (void))
 DUMMY(int   , -1, _nsdispatch, (void))
 DUMMY(long  , -1, pathconf, (const char *, int))
-DUMMY(int   , -1, raise, (int))
 DUMMY(int   , -1, rmdir, (const char *))
 DUMMY(void *,  0, sbrk, (intptr_t))
 DUMMY(int   , -1, sched_setparam, (pid_t, const sched_param *))
diff --git a/repos/libports/src/lib/libc/signal.cc b/repos/libports/src/lib/libc/signal.cc
index dc9af2d443..a08854a8c0 100644
--- a/repos/libports/src/lib/libc/signal.cc
+++ b/repos/libports/src/lib/libc/signal.cc
@@ -199,3 +199,20 @@ extern "C" int waitid(idtype_t idtype, id_t id, siginfo_t *info, int flags)
 		ret = 0;
 	return (ret);
 }
+
+
+extern "C" int raise(int sig)
+{
+	char const *signame = sys_signame[sig];
+
+	switch(sig) {
+	case SIGQUIT:
+	case SIGABRT:
+	case SIGKILL:
+		error(__func__, "(", signame, ")");
+		exit(-1);
+	default:
+		warning(__func__, "(", signame, ") not implemented");
+		return Libc::Errno(EINVAL);
+	};
+}