first usable version of kernel and commands

After an year of hard work, this is a first "usable" version of Jehanne.
2016-11-25 16:18:40 +00:00
parent 391252a059
commit 38aca7a581
3989 changed files with 406697 additions and 1909 deletions
--- a/qa/kern/postnote.c
+++ b/qa/kern/postnote.c
@@ -0,0 +1,108 @@
+/*
+ * This file is part of Jehanne.
+ *
+ * Copyright (C) 2016 Giacomo Tesio <giacomo@tesio.it>
+ *
+ * Jehanne is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * Jehanne is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with Jehanne.  If not, see <http://www.gnu.org/licenses/>.
+ */
+#include <u.h>
+#include <libc.h>
+
+int verbose = 0;
+int procNoteReceived;
+int groupNoteReceived;
+
+int
+printFromProc(void *v, char *s)
+{
+	/* just not exit, please */
+	if(strcmp(s, "proc") == 0){
+		if(procNoteReceived)
+			atnotify(printFromProc, 0);
+		procNoteReceived++;
+		if(verbose)
+			fprint(2, "%d: noted: %s at %lld\n", getpid(), s, nsec());
+		return 1;
+	}
+	return 0;
+}
+
+int
+printFromGroup(void *v, char *s)
+{
+	/* just not exit, please */
+	if(strcmp(s, "group") == 0){
+		if(groupNoteReceived)
+			atnotify(printFromGroup, 0);
+		groupNoteReceived++;
+		if(verbose)
+			fprint(2, "%d: noted: %s at %lld\n", getpid(), s, nsec());
+		return 1;
+	}
+	return 0;
+}
+
+int
+fail(void *v, char *s)
+{
+	if(groupNoteReceived == 2 || procNoteReceived == 2){
+		print("FAIL\n");
+		exits("FAIL");
+	}
+	return 0;
+}
+
+void
+main(void)
+{
+	int ppid;
+	Waitmsg *w;
+	
+	if (!atnotify(printFromProc, 1) || !atnotify(printFromGroup, 1) || !atnotify(fail, 1)){
+		fprint(2, "%r\n");
+		exits("atnotify fails");
+	}
+	
+	rfork(RFNOTEG|RFNAMEG);
+
+	if(rfork(RFPROC) == 0){
+		ppid = getppid(); // this comes from exec() syscall
+
+		postnote(PNPROC, ppid, "proc");
+		postnote(PNGROUP, getpid(), "group");
+		
+		rfork(RFNOMNT);
+		postnote(PNPROC, ppid, "proc");
+		postnote(PNGROUP, getpid(), "group");
+		
+		rfork(RFNOMNT|RFCNAMEG);
+		if(postnote(PNPROC, ppid, "proc") != -1 || 
+			postnote(PNGROUP, getpid(), "group") != -1){
+			exits("FAIL");
+		}
+
+		exits(nil);
+	} else {
+		while((w = wait()) == nil)
+			;
+		if(w->msg[0]){
+			exits("FAIL");
+		}
+		if(procNoteReceived < 2 || groupNoteReceived < 2){
+			fprint(2, "FAIL: not enough notes.\n");
+			exits("FAIL");
+		}
+		print("PASS\n");
+		exits("PASS");
+	}
+}