1 /**********************************************************************
4 Copyright (C) 1999 Lars Brinkhoff. See the file COPYING for licensing
7 **********************************************************************/
16 #include "ptrace_user.h"
17 #include "sysdep/ptrace.h"
18 #include "sysdep/sigcontext.h"
20 int proxy_wait_return(struct debugger *debugger, pid_t unused)
22 debugger->waiting = 0;
24 if(debugger->debugee->died || (debugger->wait_options & __WCLONE)){
25 debugger_cancelled_return(debugger, -ECHILD);
29 if(debugger->debugee->zombie && debugger->debugee->event)
30 debugger->debugee->died = 1;
32 if(debugger->debugee->event){
33 debugger->debugee->event = 0;
34 ptrace(PTRACE_POKEDATA, debugger->pid,
35 debugger->wait_status_ptr,
36 debugger->debugee->wait_status);
38 ptrace (PTRACE_POKEDATA, pid, rusage_ptr, ...); */
39 debugger_cancelled_return(debugger, debugger->debugee->pid);
43 /* pause will return -EINTR, which happens to be right for wait */
44 debugger_normal_return(debugger, -1);
48 int parent_wait_return(struct debugger *debugger, pid_t unused)
50 return(debugger_normal_return(debugger, -1));
53 int real_wait_return(struct debugger *debugger)
60 ip = ptrace(PTRACE_PEEKUSR, pid, PT_IP_OFFSET, 0);
61 IP_RESTART_SYSCALL(ip);
63 if(ptrace(PTRACE_POKEUSR, pid, PT_IP_OFFSET, ip) < 0)
64 tracer_panic("real_wait_return : Failed to restart system "
65 "call, errno = %d\n", errno);
67 if((ptrace(PTRACE_SYSCALL, debugger->pid, 0, SIGCHLD) < 0) ||
68 (ptrace(PTRACE_SYSCALL, debugger->pid, 0, 0) < 0) ||
69 (ptrace(PTRACE_SYSCALL, debugger->pid, 0, 0) < 0) ||
70 debugger_normal_return(debugger, -1))
71 tracer_panic("real_wait_return : gdb failed to wait, "
72 "errno = %d\n", errno);
77 * Overrides for Emacs so that we follow Linus's tabbing style.
78 * Emacs will notice this stuff at the end of the file and automatically
79 * adjust the settings for this buffer only. This must remain at the end
81 * ---------------------------------------------------------------------------
83 * c-file-style: "linux"