Branch: refs/heads/master
Home: https://github.com/dyninst/dyninst
Commit: 5d2a64b894e016edc185ebba616f64bca677454d
https://github.com/dyninst/dyninst/commit/5d2a64b894e016edc185ebba616f64bca677454d
Author: Tim Haines <thaines.as...@gmail.com>
Date: 2020-07-31 (Fri, 31 Jul 2020)
Changed paths:
M proccontrol/src/int_process.h
M proccontrol/src/linux.C
M proccontrol/src/linux.h
M proccontrol/src/process.C
Log Message:
-----------
Improve detection of ghost threads (#784)
Change plat_handle_ghost_thread to return 'bool' (see #742).
This indicates if the thread is actually a ghost or not. This can happen
because ptrace returned ESRCH (no such process) in
LinuxPtrace::ptrace_int, yet the process is alive. This is a valid state
for ptrace, but ptrace_int doesn't check for this. The ptrace man-page
indicates that this can happen when a process received a STOP signal,
but it hasn't transitioned to the new state yet.
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