MetzNet
/
dfhack
3
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

voodoo

develop
Petr Mrázek 2009-11-01 10:56:23 +00:00
parent 482e8b4447
commit 02a12782a7
1 changed files with 21 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
library/DFProcess.cpp
Unescape Escape View File

@ -110,7 +110,7 @@ bool isStopped(pid_t pid)
bool Process::attach()
{
int status;
cout << "Attach: start" << endl;
//cout << "Attach: start" << endl;
// check if another process is attached
if(g_pProcess != NULL)
{
@ -118,28 +118,27 @@ bool Process::attach()
}
if(!isStopped(my_handle))
{
for(int i = 0 ; i < 5 ; i++)
// kill (SIGSTOP)
status = kill(my_handle,SIGSTOP);
//cout << "sent SIGSTOP" << endl;
if(status != -1)
{
status = kill(my_handle,SIGSTOP);
cout << "sent SIGSTOP" << endl;
if(status != -1)
{
break;
}
else
{
perror("kill(SIGSTOP)");
cin.ignore();
}
break;
}
else
{
perror("kill(SIGSTOP)");
return false;
}
// wait for the process to stop
while (!isStopped(my_handle))
{
usleep(5000);
cout << "wait step" << endl;
//cout << "wait step" << endl;
}
}
usleep(10000);
cout << "Attach: after conditional stop" << endl;
//usleep(10000);
//cout << "Attach: after conditional stop" << endl;
// can we attach?
if (ptrace(PTRACE_ATTACH , my_handle, NULL, NULL) == -1)
{
@ -148,8 +147,8 @@ bool Process::attach()
cerr << "attach failed on pid " << my_handle << endl;
return false;
}
usleep(10000);
cout << "Attach: after ptrace" << endl;
//usleep(10000);
//cout << "Attach: after ptrace" << endl;
/*
while(true)
{
@ -186,7 +185,7 @@ bool Process::attach()
g_ProcessHandle = my_handle;
g_ProcessMemFile = proc_pid_mem;
cout << "Attach: after opening /proc/"<< my_handle <<"/mem" << endl;
//cout << "Attach: after opening /proc/"<< my_handle <<"/mem" << endl;
return true; // we are attached
}
}
@ -195,7 +194,7 @@ bool Process::detach()
{
if(!attached) return false;
int result = 0;
cout << "detach: start" << endl;
//cout << "detach: start" << endl;
result = close(g_ProcessMemFile);// close /proc/PID/mem
if(result == -1)
{
@ -205,7 +204,7 @@ bool Process::detach()
}
else
{
cout << "detach: after closing /proc/"<< my_handle <<"/mem" << endl;
//cout << "detach: after closing /proc/"<< my_handle <<"/mem" << endl;
g_ProcessMemFile = -1;
result = ptrace(PTRACE_DETACH, my_handle, NULL, NULL);
if(result == -1)
@ -223,7 +222,7 @@ bool Process::detach()
// continue, wait for it to recover
kill(my_handle,SIGCONT);
while (isStopped(my_handle));
usleep(10000);
//usleep(10000);
// we finish
return true;
}