strace.c: remove dead code

As strace does not use WCONTINUED flag, there is no need to handle
WIFCONTINUED status.

* strace.c (print_debug_info) [WIFCONTINUED]: Remove.
(next_event): Remove redundant !WIFSTOPPED check.

diff --git a/strace.c b/strace.c
index 047f4a7a4784716fd9fc9b821b86a380ea5de32c..aa6d5388270a29e9ed34b643188b3a78cdb27f55 100644 (file)
--- a/strace.c
+++ b/strace.c
@@ -2026,11 +2026,6 @@ print_debug_info(const int pid, int status)
                sprintf(buf, "WIFEXITED,exitcode=%u", WEXITSTATUS(status));
        if (WIFSTOPPED(status))
                sprintf(buf, "WIFSTOPPED,sig=%s", signame(WSTOPSIG(status)));
-#ifdef WIFCONTINUED
-       /* Should never be seen */
-       if (WIFCONTINUED(status))
-               strcpy(buf, "WIFCONTINUED");
-#endif
        evbuf[0] = '\0';
        if (event != 0) {
                static const char *const event_names[] = {
@@ -2406,15 +2401,11 @@ next_event(int *pstatus, siginfo_t *si)
        if (WIFEXITED(status))
                return TE_EXITED;
 
-       if (!WIFSTOPPED(status)) {
-               /*
-                * Neither signalled, exited or stopped.
-                * How could that be?
-                */
-               error_msg("pid %u not stopped!", pid);
-               droptcb(tcp);
-               return TE_NEXT;
-       }
+       /*
+        * As WCONTINUED flag has not been specified to wait4,
+        * it cannot be WIFCONTINUED(status), so the only case
+        * that remains is WIFSTOPPED(status).
+        */
 
        /* Is this the very first time we see this tracee stopped? */
        if (tcp->flags & TCB_STARTUP)