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-rw-r--r--linux-user/syscall.c28
1 files changed, 26 insertions, 2 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 9c7992e0b8..bb609dec86 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -2944,11 +2944,35 @@ long do_syscall(void *cpu_env, int num, long arg1, long arg2, long arg3,
#endif
#ifdef TARGET_NR_getgroups32
case TARGET_NR_getgroups32:
- goto unimplemented;
+ {
+ int gidsetsize = arg1;
+ uint32_t *target_grouplist = (void *)arg2;
+ gid_t *grouplist;
+ int i;
+
+ grouplist = alloca(gidsetsize * sizeof(gid_t));
+ ret = get_errno(getgroups(gidsetsize, grouplist));
+ if (!is_error(ret)) {
+ for(i = 0;i < gidsetsize; i++)
+ put_user(grouplist[i], &target_grouplist[i]);
+ }
+ }
+ break;
#endif
#ifdef TARGET_NR_setgroups32
case TARGET_NR_setgroups32:
- goto unimplemented;
+ {
+ int gidsetsize = arg1;
+ uint32_t *target_grouplist = (void *)arg2;
+ gid_t *grouplist;
+ int i;
+
+ grouplist = alloca(gidsetsize * sizeof(gid_t));
+ for(i = 0;i < gidsetsize; i++)
+ get_user(grouplist[i], &target_grouplist[i]);
+ ret = get_errno(setgroups(gidsetsize, grouplist));
+ }
+ break;
#endif
#ifdef TARGET_NR_fchown32
case TARGET_NR_fchown32: