signal.c: make use of RVAL_DECODED

* signal.c (sys_sigsuspend, sys_kill, sys_tgkill, sys_rt_sigsuspend,
sys_rt_sigqueueinfo, sys_rt_tgsigqueueinfo, sys_restart_syscall,
do_signalfd): Update for RVAL_DECODED.

diff --git a/signal.c b/signal.c
index 3b82cf3bb7216235ca65a013834c3e110fdb6a5e..814c9f09e41afc068f753577e5bc631ffa633220 100644 (file)
--- a/signal.c
+++ b/signal.c
@@ -401,10 +401,9 @@ SYS_FUNC(siggetmask)
 
 SYS_FUNC(sigsuspend)
 {
-       if (entering(tcp)) {
-               tprintsigmask_val("", tcp->u_arg[2]);
-       }
-       return 0;
+       tprintsigmask_val("", tcp->u_arg[2]);
+
+       return RVAL_DECODED;
 }
 
 #ifdef HAVE_SIGACTION
@@ -450,25 +449,21 @@ SYS_FUNC(sigprocmask)
 
 SYS_FUNC(kill)
 {
-       if (entering(tcp)) {
-               tprintf("%ld, %s",
-                       widen_to_long(tcp->u_arg[0]),
-                       signame(tcp->u_arg[1])
-               );
-       }
-       return 0;
+       tprintf("%ld, %s",
+               widen_to_long(tcp->u_arg[0]),
+               signame(tcp->u_arg[1]));
+
+       return RVAL_DECODED;
 }
 
 SYS_FUNC(tgkill)
 {
-       if (entering(tcp)) {
-               tprintf("%ld, %ld, %s",
-                       widen_to_long(tcp->u_arg[0]),
-                       widen_to_long(tcp->u_arg[1]),
-                       signame(tcp->u_arg[2])
-               );
-       }
-       return 0;
+       tprintf("%ld, %ld, %s",
+               widen_to_long(tcp->u_arg[0]),
+               widen_to_long(tcp->u_arg[1]),
+               signame(tcp->u_arg[2]));
+
+       return RVAL_DECODED;
 }
 
 SYS_FUNC(sigpending)
@@ -625,12 +620,11 @@ SYS_FUNC(rt_sigpending)
 
 SYS_FUNC(rt_sigsuspend)
 {
-       if (entering(tcp)) {
-               /* NB: kernel requires arg[1] == NSIG / 8 */
-               print_sigset_addr_len(tcp, tcp->u_arg[0], tcp->u_arg[1]);
-               tprintf(", %lu", tcp->u_arg[1]);
-       }
-       return 0;
+       /* NB: kernel requires arg[1] == NSIG / 8 */
+       print_sigset_addr_len(tcp, tcp->u_arg[0], tcp->u_arg[1]);
+       tprintf(", %lu", tcp->u_arg[1]);
+
+       return RVAL_DECODED;
 }
 
 static void
@@ -643,20 +637,18 @@ print_sigqueueinfo(struct tcb *tcp, int sig, unsigned long uinfo)
 
 SYS_FUNC(rt_sigqueueinfo)
 {
-       if (entering(tcp)) {
-               tprintf("%lu, ", tcp->u_arg[0]);
-               print_sigqueueinfo(tcp, tcp->u_arg[1], tcp->u_arg[2]);
-       }
-       return 0;
+       tprintf("%lu, ", tcp->u_arg[0]);
+       print_sigqueueinfo(tcp, tcp->u_arg[1], tcp->u_arg[2]);
+
+       return RVAL_DECODED;
 }
 
 SYS_FUNC(rt_tgsigqueueinfo)
 {
-       if (entering(tcp)) {
-               tprintf("%lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
-               print_sigqueueinfo(tcp, tcp->u_arg[2], tcp->u_arg[3]);
-       }
-       return 0;
+       tprintf("%lu, %lu, ", tcp->u_arg[0], tcp->u_arg[1]);
+       print_sigqueueinfo(tcp, tcp->u_arg[2], tcp->u_arg[3]);
+
+       return RVAL_DECODED;
 }
 
 SYS_FUNC(rt_sigtimedwait)
@@ -687,31 +679,26 @@ SYS_FUNC(rt_sigtimedwait)
 
 SYS_FUNC(restart_syscall)
 {
-       if (entering(tcp)) {
-               tprintf("<... resuming interrupted %s ...>",
-                       tcp->s_prev_ent
-                       ? tcp->s_prev_ent->sys_name
-                       : "system call"
-               );
-       }
-       return 0;
+       tprintf("<... resuming interrupted %s ...>",
+               tcp->s_prev_ent ? tcp->s_prev_ent->sys_name : "system call");
+
+       return RVAL_DECODED;
 }
 
 static int
 do_signalfd(struct tcb *tcp, int flags_arg)
 {
        /* NB: kernel requires arg[2] == NSIG / 8 */
-       if (entering(tcp)) {
-               printfd(tcp, tcp->u_arg[0]);
+       printfd(tcp, tcp->u_arg[0]);
+       tprints(", ");
+       print_sigset_addr_len(tcp, tcp->u_arg[1], tcp->u_arg[2]);
+       tprintf(", %lu", tcp->u_arg[2]);
+       if (flags_arg >= 0) {
                tprints(", ");
-               print_sigset_addr_len(tcp, tcp->u_arg[1], tcp->u_arg[2]);
-               tprintf(", %lu", tcp->u_arg[2]);
-               if (flags_arg >= 0) {
-                       tprints(", ");
-                       printflags(open_mode_flags, tcp->u_arg[flags_arg], "O_???");
-               }
+               printflags(open_mode_flags, tcp->u_arg[flags_arg], "O_???");
        }
-       return 0;
+
+       return RVAL_DECODED;
 }
 
 SYS_FUNC(signalfd)