internal static void RenderStackTraceWithGdb (int pid, SynchronizedStreamWriter log)
{
log.WriteLine (string.Format ("\n * Fetching stack trace for process {0} * \n", pid));
var template = Path.GetTempFileName ();
try {
bool using_lldb = false;
string debugger;
if (File.Exists ("/usr/bin/gdb")) {
using_lldb = false;
debugger = "/usr/bin/gdb";
} else if (File.Exists ("/usr/bin/lldb")) {
using_lldb = true;
debugger = "/usr/bin/lldb";
} else {
using_lldb = false; // lets hope "gdb" is somewhere.
debugger = "gdb";
}
var commands = new StringBuilder ();
using (var dbg = new Job ()) {
dbg.StartInfo.UseShellExecute = false;
dbg.StartInfo.FileName = debugger;
if (using_lldb) {
commands.AppendFormat ("process attach --pid {0}\n", pid);
commands.Append ("thread list\n");
commands.Append ("thread backtrace all\n");
commands.Append ("detach\n");
commands.Append ("quit\n");
dbg.StartInfo.Arguments = "--source \"" + template + "\"";
} else {
commands.AppendFormat ("attach {0}\n", pid);
commands.Append ("info target\n");
commands.Append ("info threads\n");
commands.Append ("thread apply all bt\n");
dbg.StartInfo.Arguments = "-batch -x \"" + template + "\"";
}
File.WriteAllText (template, commands.ToString ());
var reader = new ProcessReader (log);
reader.Setup (dbg);
dbg.Start ();
reader.Start ();
try {
if (!dbg.WaitForExit (1000 * 30 /* 30 seconds */))
throw new ApplicationException (string.Format ("The 'gdb' process didn't exit in 30 seconds.", dbg.StartInfo.FileName));
} finally {
reader.Join ();
}
}
} finally {
try {
File.Delete (template);
} catch {
}
}
}
internal static void PrintProcessesImplPS (SynchronizedStreamWriter log)
{
using (var ps = new Job ()) {
ps.StartInfo.FileName = "ps";
ps.StartInfo.Arguments = "aux";
var reader = new ProcessReader (log);
reader.Setup (ps);
ps.Start ();
reader.Start ();
try {
if (!ps.WaitForExit (1000 * 30 /* 30 seconds */))
throw new ApplicationException (string.Format ("The 'ps' process didn't exit in 30 seconds."));
} finally {
reader.Join ();
}
}
}
internal static void RenderStackTraceWithGdb (int pid, SynchronizedStreamWriter log)
{
log.WriteLine (string.Format ("\n * Fetching stack trace for process {0} (name '{1}') * \n", pid, GetProcessName (pid)));
using (var gdb = new Job ()) {
gdb.StartInfo.FileName = "gdb";
gdb.StartInfo.Arguments = string.Format ("-ex attach {0} --ex \"info target\" --ex \"info threads\" --ex \"thread apply all bt\" --batch", pid);
var reader = new ProcessReader (log);
reader.Setup (gdb);
gdb.Start ();
reader.Start ();
try {
if (!gdb.WaitForExit (1000 * 30 /* 30 seconds */))
throw new ApplicationException (string.Format ("The 'gdb' process didn't exit in 30 seconds."));
} finally {
reader.Join ();
}
}
}
internal static void PrintProcessesImplPS(SynchronizedStreamWriter log)
{
using (var ps = new Job()) {
ps.StartInfo.FileName = "ps";
ps.StartInfo.Arguments = "aux";
var reader = new ProcessReader(log);
reader.Setup(ps);
ps.Start();
reader.Start();
try {
if (!ps.WaitForExit(1000 * 30 /* 30 seconds */))
{
throw new ApplicationException(string.Format("The 'ps' process didn't exit in 30 seconds."));
}
} finally {
reader.Join();
}
}
}
internal static void RenderStackTraceWithGdb(int pid, SynchronizedStreamWriter log)
{
log.WriteLine(string.Format("\n * Fetching stack trace for process {0} * \n", pid));
using (var gdb = new Job()) {
gdb.StartInfo.FileName = "gdb";
gdb.StartInfo.Arguments = string.Format("-ex attach {0} --ex \"info target\" --ex \"info threads\" --ex \"thread apply all bt\" --batch", pid);
var reader = new ProcessReader(log);
reader.Setup(gdb);
gdb.Start();
reader.Start();
try {
if (!gdb.WaitForExit(1000 * 30 /* 30 seconds */))
{
throw new ApplicationException(string.Format("The 'gdb' process didn't exit in 30 seconds."));
}
} finally {
reader.Join();
}
}
}
internal static void RenderStackTraceWithGdb(int pid, SynchronizedStreamWriter log)
{
log.WriteLine(string.Format("\n * Fetching stack trace for process {0} * \n", pid));
var template = Path.GetTempFileName();
try {
bool using_lldb = false;
string debugger;
if (File.Exists("/usr/bin/gdb"))
{
using_lldb = false;
debugger = "/usr/bin/gdb";
}
else if (File.Exists("/usr/bin/lldb"))
{
using_lldb = true;
debugger = "/usr/bin/lldb";
}
else
{
using_lldb = false; // lets hope "gdb" is somewhere.
debugger = "gdb";
}
var commands = new StringBuilder();
using (var dbg = new Job()) {
dbg.StartInfo.UseShellExecute = false;
dbg.StartInfo.FileName = debugger;
if (using_lldb)
{
commands.AppendFormat("process attach --pid {0}\n", pid);
commands.Append("script lldb.debugger.HandleCommand (\"thread list\")\n");
commands.Append("script lldb.debugger.HandleCommand (\"thread backtrace all\")\n");
commands.Append("detach\n");
commands.Append("quit\n");
dbg.StartInfo.Arguments = "--source \"" + template + "\"";
}
else
{
commands.AppendFormat("attach {0}\n", pid);
commands.Append("info target\n");
commands.Append("info threads\n");
commands.Append("thread apply all bt\n");
dbg.StartInfo.Arguments = "-batch -x \"" + template + "\"";
}
File.WriteAllText(template, commands.ToString());
var reader = new ProcessReader(log);
reader.Setup(dbg);
dbg.Start();
reader.Start();
try {
if (!dbg.WaitForExit(1000 * 30 /* 30 seconds */))
{
throw new ApplicationException(string.Format("The 'gdb' process didn't exit in 30 seconds.", dbg.StartInfo.FileName));
}
} finally {
reader.Join();
}
}
} finally {
try {
File.Delete(template);
} catch {
}
}
}