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usr/lib/libcervus/signal/signal.c

@@ -0,0 +1,39 @@
+#include <signal.h>
+#include <string.h>
+
+sighandler_t signal(int signum, sighandler_t handler)
+{
+    (void)signum;
+    (void)handler;
+    return SIG_DFL;
+}
+
+int raise(int sig)
+{
+    (void)sig;
+    return 0;
+}
+
+int sigaction(int sig, const struct sigaction *act, struct sigaction *oldact)
+{
+    (void)sig; (void)act;
+    if (oldact) {
+        oldact->sa_handler = SIG_DFL;
+        memset(&oldact->sa_mask, 0, sizeof(oldact->sa_mask));
+        oldact->sa_flags = 0;
+    }
+    return 0;
+}
+
+int sigemptyset(sigset_t *set)                { if (set) memset(set, 0, sizeof(*set)); return 0; }
+int sigfillset(sigset_t *set)                 { if (set) memset(set, 0xFF, sizeof(*set)); return 0; }
+int sigaddset(sigset_t *set, int sig)         { (void)set; (void)sig; return 0; }
+int sigdelset(sigset_t *set, int sig)         { (void)set; (void)sig; return 0; }
+int sigismember(const sigset_t *set, int sig) { (void)set; (void)sig; return 0; }
+
+int sigprocmask(int how, const sigset_t *set, sigset_t *oldset)
+{
+    (void)how; (void)set;
+    if (oldset) memset(oldset, 0, sizeof(*oldset));
+    return 0;
+}