cc [ flag ... ] file ... -lthread_db [ library ... ] #include <proc_service.h> #include <thread_db.h>td_err_e td_ta_sync_iter(const td_thragent_t *ta_p, td_sync_iter_f *cb, void *cbdata_p);
td_ta_sync_iter() , td_ta_thr_iter() , and td_ta_tsd_iter() are iterator functions that when given a target process handle as an argument, return sets of handles for objects associated with the target process. The method is to call back a client-provided function once for each associated object, passing back a handle as well as the client-provided pointer cb_data_p . This enables a client to easily build a linked list of the associated objects.
td_ta_sync_iter() returns handles of synchronization objects (mutexes, preader-writer locks, semaphores, and condition variables) associated with a process. Some synchronization objects may not be known to libthread_db() and will not be returned. If the process has initialized the synchronization object (by calling mutex_init() , for example) or a thread in the process has blocked on this object after libthread_db() attached to the synchronization object, then a handle for the synchronization object will be returned by libthread_db() . See td_sync_get_info(3THR) to see operations that can be performed on synchronization object handles.
td_ta_thr_iter() returns handles for threads that are part of the target process. For td_ta_thr_iter() , the caller specifies several criteria to select a subset of threads for which the callback function should be called. Any of these selection criteria may be wild-carded. If all of them are wild-carded, then handles for all threads in the process will be returned.
The selection parameters and corresponding wild-card values are:
Select only threads whose state matches state . See td_thr_get_info(3THR) for a list of thread states.
Select only threads for which the priority is at least ti_pri .
Select only threads whose signal mask exactly matches *ti_sigmask_p .
Select only threads whose user flags (specified at thread creation time) exactly match ti_user_flags .
td_ta_tsd_iter() returns the thread-specific data keys in use by the current process. Thread-specific data for a particular thread and key may be obtained by calling td_thr_tsd(3THR) .
The call completed successfully.
An invalid process handle was passed in.
A call to one of the imported interface routines failed.
The call did not complete successfully.
See attributes(5) for description of the following attributes:
|ATTRIBUTE TYPE||ATTRIBUTE VALUE|