syscalls: sigtimedwait

kernel-src/sys/syscalls/sigtimedwait.c

@@ -0,0 +1,33 @@
+#include <kernel/syscalls.h>
+#include <kernel/signal.h>
+#include <time.h>
+#include <logging.h>
+
+syscallret_t syscall_sigtimedwait(context_t *, sigset_t *uset, siginfo_t *uinfo, timespec_t *utimeout) {
+	syscallret_t ret = {
+		.ret = -1
+	};
+
+	sigset_t set;
+	timespec_t timeout;
+	siginfo_t info;
+	int signum;
+
+	ret.errno = usercopy_fromuser(&set, uset, sizeof(sigset_t));
+	if (ret.errno)
+		return ret;
+
+	ret.errno = usercopy_fromuser(&timeout, utimeout, sizeof(timespec_t));
+	if (ret.errno)
+		return ret;
+
+	ret.errno = signal_wait(&set, &timeout, &info, &signum);
+	if (ret.errno)
+		return ret;
+
+	if (uinfo)
+		ret.errno = usercopy_touser(uinfo, &info, sizeof(siginfo_t));
+
+	ret.ret = ret.errno ? -1 : 0;
+	return ret;
+}