diff options
Diffstat (limited to 'libdwfl/linux-pid-attach.c')
| -rw-r--r-- | libdwfl/linux-pid-attach.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libdwfl/linux-pid-attach.c b/libdwfl/linux-pid-attach.c index 3d0716ab..2e1d3592 100644 --- a/libdwfl/linux-pid-attach.c +++ b/libdwfl/linux-pid-attach.c @@ -201,6 +201,20 @@ pid_next_thread (Dwfl *dwfl __attribute__ ((unused)), void *dwfl_arg, return tid; } +/* Just checks that the thread id exists. */ +static bool +pid_getthread (Dwfl *dwfl __attribute__ ((unused)), pid_t tid, + void *dwfl_arg, void **thread_argp) +{ + *thread_argp = dwfl_arg; + if (kill (tid, 0) < 0) + { + __libdwfl_seterrno (DWFL_E_ERRNO); + return false; + } + return true; +} + /* Implement the ebl_set_initial_registers_tid setfunc callback. */ static bool @@ -260,6 +274,7 @@ pid_thread_detach (Dwfl_Thread *thread, void *thread_arg) static const Dwfl_Thread_Callbacks pid_thread_callbacks = { pid_next_thread, + pid_getthread, pid_memory_read, pid_set_initial_registers, pid_detach, |