Merge from TNG.

(This used to be commit af5ded9f17addb4bc89ecb762b9b99d2f99463ab)

1 files changed, 84 insertions, 0 deletions

diff --git a/testsuite/nsswitch/getgrent_r.c b/testsuite/nsswitch/getgrent_r.c
new file mode 100644
index 0000000000..3eac8aa218
--- /dev/null
+++ b/testsuite/nsswitch/getgrent_r.c
@@ -0,0 +1,84 @@
+/*
+ * Use set/get/endgrent calls from two processes to iterate over the
+ * password database.  This checks the multithreaded stuff works.
+ */
+
+#include <stdio.h>
+#include <grp.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <errno.h>
+#include <wait.h>
+
+void dump_grent(char *id)
+{
+    struct group *gr;
+    char fname[255];
+    FILE *fptr;
+
+    /* Open results file */
+
+    sprintf(fname, "/tmp/getgrent_r-%s.out-%d", id, getpid());
+
+    if ((fptr = fopen(fname, "w")) < 0) {
+        fprintf(stderr, "ERROR: could not open file %s: %s\n", fname,
+                sys_errlist[errno]);
+        return;
+    }
+
+    /* Dump group database */
+
+    setgrent();
+        
+    while((gr = getgrent()) != NULL) {
+        fprintf(fptr,"%s:%s:%d:%d\n", gr->gr_name, gr->gr_passwd,
+                gr->gr_gid);
+    }
+        
+    endgrent();
+
+    /* Close results file */
+
+    fclose(fptr);
+}
+
+int main(int argc, char **argv)
+{
+    pid_t pid;
+
+    /* Check args */
+
+    if (argc != 2) {
+        printf("ERROR: must specify output file identifier\n");
+        return 1;
+    }
+
+    /* Fork child process */
+
+    if ((pid = fork()) == -1) {
+        printf("ERROR: unable to fork\n");
+        return 1;
+    }
+
+    /* Handle test case */
+
+    if (pid > 0) {
+        int status;
+
+        /* Parent */
+
+        dump_grent(argv[1]);
+        wait(&status);
+
+    } else {
+
+        /* Child */
+
+        dump_grent(argv[1]);
+        return 0;
+    }
+
+    printf("PASS: run getgrent_r.c\n");
+    return 0;
+}