bsd-user: Implement getrusage(2).

[mirror_qemu.git] / bsd-user / bsd-proc.h

diff --git a/bsd-user/bsd-proc.h b/bsd-user/bsd-proc.h
index a1061bffb8f706fecd5d82fb81c57c549e2467b2..133c1b0eaf8cf0b64b423951b561aa69c07f836b 100644 (file)
--- a/bsd-user/bsd-proc.h
+++ b/bsd-user/bsd-proc.h
@@ -22,6 +22,13 @@
 
 #include <sys/resource.h>
 
+#include "qemu-bsd.h"
+#include "gdbstub/syscalls.h"
+#include "qemu/plugin.h"
+
+extern int _getlogin(char*, int);
+int bsd_get_ncpu(void);
+
 /* exit(2) */
 static inline abi_long do_bsd_exit(void *cpu_env, abi_long arg1)
 {
@@ -35,4 +42,99 @@ static inline abi_long do_bsd_exit(void *cpu_env, abi_long arg1)
     return 0;
 }
 
+/* getgroups(2) */
+static inline abi_long do_bsd_getgroups(abi_long gidsetsize, abi_long arg2)
+{
+    abi_long ret;
+    uint32_t *target_grouplist;
+    g_autofree gid_t *grouplist;
+    int i;
+
+    grouplist = g_try_new(gid_t, gidsetsize);
+    ret = get_errno(getgroups(gidsetsize, grouplist));
+    if (gidsetsize != 0) {
+        if (!is_error(ret)) {
+            target_grouplist = lock_user(VERIFY_WRITE, arg2, gidsetsize * 2, 0);
+            if (!target_grouplist) {
+                return -TARGET_EFAULT;
+            }
+            for (i = 0; i < ret; i++) {
+                target_grouplist[i] = tswap32(grouplist[i]);
+            }
+            unlock_user(target_grouplist, arg2, gidsetsize * 2);
+        }
+    }
+    return ret;
+}
+
+/* setgroups(2) */
+static inline abi_long do_bsd_setgroups(abi_long gidsetsize, abi_long arg2)
+{
+    uint32_t *target_grouplist;
+    g_autofree gid_t *grouplist;
+    int i;
+
+    grouplist = g_try_new(gid_t, gidsetsize);
+    target_grouplist = lock_user(VERIFY_READ, arg2, gidsetsize * 2, 1);
+    if (!target_grouplist) {
+        return -TARGET_EFAULT;
+    }
+    for (i = 0; i < gidsetsize; i++) {
+        grouplist[i] = tswap32(target_grouplist[i]);
+    }
+    unlock_user(target_grouplist, arg2, 0);
+    return get_errno(setgroups(gidsetsize, grouplist));
+}
+
+/* umask(2) */
+static inline abi_long do_bsd_umask(abi_long arg1)
+{
+    return get_errno(umask(arg1));
+}
+
+/* setlogin(2) */
+static inline abi_long do_bsd_setlogin(abi_long arg1)
+{
+    abi_long ret;
+    void *p;
+
+    p = lock_user_string(arg1);
+    if (p == NULL) {
+        return -TARGET_EFAULT;
+    }
+    ret = get_errno(setlogin(p));
+    unlock_user(p, arg1, 0);
+
+    return ret;
+}
+
+/* getlogin(2) */
+static inline abi_long do_bsd_getlogin(abi_long arg1, abi_long arg2)
+{
+    abi_long ret;
+    void *p;
+
+    p = lock_user(VERIFY_WRITE, arg1, arg2, 0);
+    if (p == NULL) {
+        return -TARGET_EFAULT;
+    }
+    ret = get_errno(_getlogin(p, arg2));
+    unlock_user(p, arg1, arg2);
+
+    return ret;
+}
+
+/* getrusage(2) */
+static inline abi_long do_bsd_getrusage(abi_long who, abi_ulong target_addr)
+{
+    abi_long ret;
+    struct rusage rusage;
+
+    ret = get_errno(getrusage(who, &rusage));
+    if (!is_error(ret)) {
+        host_to_target_rusage(target_addr, &rusage);
+    }
+    return ret;
+}
+
 #endif /* !BSD_PROC_H_ */