* Copyright (c) 2004 Ulrich Drepper <drepper@redhat.com>
* Copyright (c) 2009-2013 Denys Vlasenko <dvlasenk@redhat.com>
* Copyright (c) 2014-2015 Dmitry V. Levin <ldv@altlinux.org>
+ * Copyright (c) 2014-2018 The strace developers.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
*/
#include "defs.h"
+#include "ptrace.h"
#include <sys/wait.h>
# define W_CONTINUED 0xffff
#endif
-#include "ptrace.h"
#include "xlat/ptrace_events.h"
static int
signame(sig & 0x7f),
sig & 0x80 ? " | 0x80" : "");
status &= ~W_STOPCODE(sig);
- }
- else if (WIFSIGNALED(status)) {
+ } else if (WIFSIGNALED(status)) {
tprintf("[{WIFSIGNALED(s) && WTERMSIG(s) == %s%s}",
signame(WTERMSIG(status)),
WCOREDUMP(status) ? " && WCOREDUMP(s)" : "");
status &= ~(W_EXITCODE(0, WTERMSIG(status)) | WCOREFLAG);
- }
- else if (WIFEXITED(status)) {
+ } else if (WIFEXITED(status)) {
tprintf("[{WIFEXITED(s) && WEXITSTATUS(s) == %d}",
WEXITSTATUS(status));
exited = 1;
}
static int
-printwaitn(struct tcb *tcp, int n, int bitness)
+printwaitn(struct tcb *const tcp,
+ void (*const print_rusage)(struct tcb *, kernel_ulong_t))
{
- int status;
-
if (entering(tcp)) {
/* On Linux, kernel-side pid_t is typedef'ed to int
* on all arches. Also, glibc-2.8 truncates wait3 and wait4
int pid = tcp->u_arg[0];
tprintf("%d, ", pid);
} else {
+ int status;
+
/* status */
if (tcp->u_rval == 0)
printaddr(tcp->u_arg[1]);
/* options */
tprints(", ");
printflags(wait4_options, tcp->u_arg[2], "W???");
- if (n == 4) {
- tprints(", ");
+ if (print_rusage) {
/* usage */
- if (tcp->u_rval > 0) {
-#ifdef ALPHA
- if (bitness)
- printrusage32(tcp, tcp->u_arg[3]);
- else
-#endif
- printrusage(tcp, tcp->u_arg[3]);
- }
+ tprints(", ");
+ if (tcp->u_rval > 0)
+ print_rusage(tcp, tcp->u_arg[3]);
else
printaddr(tcp->u_arg[3]);
}
SYS_FUNC(waitpid)
{
- return printwaitn(tcp, 3, 0);
+ return printwaitn(tcp, NULL);
}
SYS_FUNC(wait4)
{
- return printwaitn(tcp, 4, 0);
+ return printwaitn(tcp, printrusage);
}
#ifdef ALPHA
SYS_FUNC(osf_wait4)
{
- return printwaitn(tcp, 4, 1);
+ return printwaitn(tcp, printrusage32);
}
#endif