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Report the result of waitpid() a little more clearly as well as clearly logging the process status.

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llvm-svn: 207698
This commit is contained in:
Greg Clayton 2014-04-30 20:24:10 +00:00
parent 3ef43692b4
commit 040c560f2c
1 changed files with 59 additions and 17 deletions
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76
lldb/tools/debugserver/source/DNB.cpp
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@ -165,24 +165,66 @@ kqueue_thread (void *arg)
else
{
int status;
pid_t child_pid = waitpid ((pid_t) death_event.ident, &status, 0);
if (death_event.data & NOTE_EXIT_MEMORY)
{
if (death_event.data & NOTE_VM_PRESSURE)
DNBProcessSetExitInfo (child_pid, "Terminated due to Memory Pressure");
else if (death_event.data & NOTE_VM_ERROR)
DNBProcessSetExitInfo (child_pid, "Terminated due to Memory Error");
else
DNBProcessSetExitInfo (child_pid, "Terminated due to unknown Memory condition");
}
else if (death_event.data & NOTE_EXIT_DECRYPTFAIL)
DNBProcessSetExitInfo (child_pid, "Terminated due to decrypt failure");
else if (death_event.data & NOTE_EXIT_CSERROR)
DNBProcessSetExitInfo (child_pid, "Terminated due to code signing error");
const pid_t pid = (pid_t)death_event.ident;
const pid_t child_pid = waitpid (pid, &status, 0);
DNBLogThreadedIf(LOG_PROCESS, "waitpid_process_thread (): setting exit status for pid = %i to %i", child_pid, status);
DNBProcessSetExitStatus (child_pid, status);
return NULL;
bool exited = false;
int signal = 0;
int exit_status = 0;
const char *status_cstr = NULL;
if (WIFSTOPPED(status))
{
signal = WSTOPSIG(status);
status_cstr = "STOPPED";
DNBLogThreadedIf(LOG_PROCESS, "waitpid (%i) -> STOPPED (signal = %i)", child_pid, signal);
}
else if (WIFEXITED(status))
{
exit_status = WEXITSTATUS(status);
status_cstr = "EXITED";
exited = true;
DNBLogThreadedIf(LOG_PROCESS, "waitpid (%i) -> EXITED (status = %i)", child_pid, exit_status);
}
else if (WIFSIGNALED(status))
{
signal = WTERMSIG(status);
status_cstr = "SIGNALED";
if (child_pid == abs(pid))
{
DNBLogThreadedIf(LOG_PROCESS, "waitpid (%i) -> SIGNALED and EXITED (signal = %i)", child_pid, signal);
char exit_info[64];
::snprintf (exit_info, sizeof(exit_info), "Terminated due to signal %i", signal);
DNBProcessSetExitInfo (child_pid, exit_info);
exited = true;
exit_status = INT8_MAX;
}
else
{
DNBLogThreadedIf(LOG_PROCESS, "waitpid (%i) -> SIGNALED (signal = %i)", child_pid, signal);
}
}
if (exited)
{
if (death_event.data & NOTE_EXIT_MEMORY)
{
if (death_event.data & NOTE_VM_PRESSURE)
DNBProcessSetExitInfo (child_pid, "Terminated due to Memory Pressure");
else if (death_event.data & NOTE_VM_ERROR)
DNBProcessSetExitInfo (child_pid, "Terminated due to Memory Error");
else
DNBProcessSetExitInfo (child_pid, "Terminated due to unknown Memory condition");
}
else if (death_event.data & NOTE_EXIT_DECRYPTFAIL)
DNBProcessSetExitInfo (child_pid, "Terminated due to decrypt failure");
else if (death_event.data & NOTE_EXIT_CSERROR)
DNBProcessSetExitInfo (child_pid, "Terminated due to code signing error");
DNBLogThreadedIf(LOG_PROCESS, "waitpid_process_thread (): setting exit status for pid = %i to %i", child_pid, exit_status);
DNBProcessSetExitStatus (child_pid, status);
return NULL;
}
}
}
}