]> granicus.if.org Git - strace/blobdiff - epoll.c
tests: check decoding of netlink smc_diag_msg attributes
[strace] / epoll.c
diff --git a/epoll.c b/epoll.c
index 30e5098e40d553a93bd61f86d346d387541953cb..d5f2f551a1b3271be60e1bd8ac3b0c20ffcbead3 100644 (file)
--- a/epoll.c
+++ b/epoll.c
@@ -2,6 +2,7 @@
  * Copyright (c) 2004-2007 Ulrich Drepper <drepper@redhat.com>
  * Copyright (c) 2004 Roland McGrath <roland@redhat.com>
  * Copyright (c) 2005-2015 Dmitry V. Levin <ldv@altlinux.org>
+ * Copyright (c) 2015-2017 The strace developers.
  * All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
@@ -29,9 +30,7 @@
 
 #include "defs.h"
 #include <fcntl.h>
-#ifdef HAVE_SYS_EPOLL_H
-# include <sys/epoll.h>
-#endif
+#include <sys/epoll.h>
 
 SYS_FUNC(epoll_create)
 {
@@ -49,8 +48,7 @@ SYS_FUNC(epoll_create1)
        return RVAL_DECODED | RVAL_FD;
 }
 
-#ifdef HAVE_SYS_EPOLL_H
-# include "xlat/epollevents.h"
+#include "xlat/epollevents.h"
 
 static bool
 print_epoll_event(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
@@ -66,7 +64,6 @@ print_epoll_event(struct tcb *tcp, void *elem_buf, size_t elem_size, void *data)
 
        return true;
 }
-#endif
 
 #include "xlat/epollctls.h"
 
@@ -74,19 +71,16 @@ SYS_FUNC(epoll_ctl)
 {
        printfd(tcp, tcp->u_arg[0]);
        tprints(", ");
-       printxval(epollctls, tcp->u_arg[1], "EPOLL_CTL_???");
+       const unsigned int op = tcp->u_arg[1];
+       printxval(epollctls, op, "EPOLL_CTL_???");
        tprints(", ");
        printfd(tcp, tcp->u_arg[2]);
        tprints(", ");
-#ifdef HAVE_SYS_EPOLL_H
        struct epoll_event ev;
-       if (EPOLL_CTL_DEL == tcp->u_arg[1])
+       if (EPOLL_CTL_DEL == op)
                printaddr(tcp->u_arg[3]);
        else if (!umove_or_printaddr(tcp, tcp->u_arg[3], &ev))
                print_epoll_event(tcp, &ev, sizeof(ev), 0);
-#else
-       printaddr(tcp->u_arg[3]);
-#endif
 
        return RVAL_DECODED;
 }
@@ -98,13 +92,9 @@ epoll_wait_common(struct tcb *tcp)
                printfd(tcp, tcp->u_arg[0]);
                tprints(", ");
        } else {
-#ifdef HAVE_SYS_EPOLL_H
                struct epoll_event ev;
                print_array(tcp, tcp->u_arg[1], tcp->u_rval, &ev, sizeof(ev),
                            umoven_or_printaddr, print_epoll_event, 0);
-#else
-               printaddr(tcp->u_arg[1]);
-#endif
                tprintf(", %d, %d", (int) tcp->u_arg[2], (int) tcp->u_arg[3]);
        }
 }
@@ -120,9 +110,9 @@ SYS_FUNC(epoll_pwait)
        epoll_wait_common(tcp);
        if (exiting(tcp)) {
                tprints(", ");
-               /* NB: kernel requires arg[5] == NSIG / 8 */
+               /* NB: kernel requires arg[5] == NSIG_BYTES */
                print_sigset_addr_len(tcp, tcp->u_arg[4], tcp->u_arg[5]);
-               tprintf(", %lu", tcp->u_arg[5]);
+               tprintf(", %" PRI_klu, tcp->u_arg[5]);
        }
        return 0;
 }