test getgrent stuff

2 files changed, 147 insertions, 2 deletions

diff --git a/lib/libc_r/TEST/Makefile b/lib/libc_r/TEST/Makefile
index 3b671a8289d..37daa84109e 100644
--- a/lib/libc_r/TEST/Makefile
+++ b/lib/libc_r/TEST/Makefile
@@ -11,7 +11,7 @@
 LIBC_R?=	/usr/lib/libc_r.a
 LIBPTHREAD?=	/usr/lib/libpthread.a
 
-.if ${MACHINE_ARCH} != "i386"
+.if 1 # ${MACHINE_ARCH} != "i386"
 PTHREAD=	-pthread
 DPADD +=	${LIBC_R}
 .else
@@ -31,7 +31,8 @@ TESTS = test_create test_pthread_join test_switch test_sleep test_readdir \
 	test_sock_1 test_sock_2 test_stdio_1 test_pthread_mutex \
 	test_pthread_cond_timedwait test_netdb test_pw test_cwd \
 	test_sock_2a test_cancel test_sigsuspend test_sigwait \
-	test_select test_poll test_signal test_stdarg test_close
+	test_select test_poll test_signal test_stdarg test_close \
+	test_group
 
 SRCS =		${TESTS:=.c}
 CLEANFILES +=	${TESTS} 
diff --git a/lib/libc_r/TEST/test_group.c b/lib/libc_r/TEST/test_group.c
new file mode 100644
index 00000000000..1409caddf69
--- /dev/null
+++ b/lib/libc_r/TEST/test_group.c
@@ -0,0 +1,144 @@
+/*	$OpenBSD: test_group.c,v 1.1 2000/01/08 08:05:43 d Exp $	*/
+
+/*
+ * Test getgrgid_r() across multiple threads to see if the members list changes.
+ */
+
+#include <pthread.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <grp.h>
+#include <sys/types.h>
+#include "test.h"
+
+struct group * getgrgid_r(gid_t, struct group *);
+
+char fail[] = "fail";
+
+int done;
+pthread_mutex_t display;
+pthread_cond_t done1;
+pthread_cond_t test2;
+
+void*
+test(void* arg)
+{
+	gid_t gid = (int)arg;
+	gid_t ogid;
+	struct group grpbuf;
+	struct group *grp;
+	char **p;
+	char buf[2048];
+	char *cpy[128];
+	int i;
+	char *s;
+	char *oname;
+	char *opasswd;
+
+	CHECKr(pthread_mutex_lock(&display));
+
+	printf("gid %d\n", gid);
+
+#if 1
+	grpbuf.gr_name = fail;
+	CHECKn(grp = getgrgid_r(gid, &grpbuf));
+	ASSERT(grp->gr_name != fail);
+#else
+	CHECKn(grp = getgrgid(gid));
+#endif
+
+	s = buf;
+
+	/* copy gr_name */
+	strcpy(oname = s, grp->gr_name);
+	s += 1 + strlen(s);
+
+	/* copy gr_passwd */
+	strcpy(opasswd = s, grp->gr_passwd);
+	s += 1 + strlen(s);
+
+	/* copy gr_gid */
+	ogid = grp->gr_gid;
+
+	/* copy gr_mem */
+	for (i = 0, p = grp->gr_mem; *p; p++) {
+		strcpy(cpy[i] = s, *p); i++;
+		s += 1 + strlen(s);
+	}
+	cpy[i] = NULL;
+
+	printf("now:    %s:%s:%d:", grp->gr_name, grp->gr_passwd, grp->gr_gid);
+	for (p = grp->gr_mem; *p; p++) 
+		printf("%s%s", *p, *(p+1) == NULL ? "": ",");
+	printf("\n");
+
+#ifdef DEBUG /* debugging this program */
+	printf("buf = \"");
+	for (i = 0; i < s - buf; i++)
+		if (buf[i] == '\0')	printf("\\0");
+		else printf("%c", buf[i]);
+	printf("\"\n");
+#endif
+
+	CHECKr(pthread_cond_signal(&done1));	/* wake up main */
+
+	CHECKr(pthread_cond_wait(&test2, &display));
+
+	printf("before: %s:%s:%d:", oname, opasswd, ogid);
+	for (p = cpy; *p; p++) 
+		printf("%s%s", *p, *(p+1) == NULL ? "": ",");
+	printf("\n");
+
+	printf("after:  %s:%s:%d:", grp->gr_name, grp->gr_passwd, grp->gr_gid);
+	for (p = grp->gr_mem; *p; p++) 
+		printf("%s%s", *p, *(p+1) == NULL ? "": ",");
+	printf("\n");
+
+	CHECKr(pthread_mutex_unlock(&display));
+	CHECKr(pthread_cond_signal(&test2));	/* wake another */
+
+	return NULL;
+}
+
+
+#define NGRPS	5
+int
+main()
+{
+	pthread_t thread[NGRPS];
+	int gid;
+	int failed;
+	void *result;
+
+	CHECKr(pthread_mutex_init(&display, NULL));
+
+	CHECKr(pthread_cond_init(&done1, NULL));
+	CHECKr(pthread_cond_init(&test2, NULL));
+
+	/* Get separate threads to do a group open separately */
+	for (gid = 0; gid < NGRPS; gid++) {
+		CHECKr(pthread_create(&thread[gid], NULL, test, (void *)gid));
+	}
+
+	sleep(1); /* XXX */
+
+	/* now get each thread to print it out again */
+	CHECKr(pthread_cond_signal(&test2));
+
+	failed = 0;
+	for (gid = 0; gid < NGRPS; gid++) {
+		CHECKr(pthread_join(thread[gid], &result));
+		if (result != NULL)
+			failed++;
+	}
+
+	/* (I'm too lazy to write the check code at the moment) */
+	fprintf(stderr, "[needs visual check]\n");
+
+	if (!failed) {
+		SUCCEED;
+	} else {
+		fprintf(stderr, "one of the test failed\n");
+		exit(1);
+	}
+}