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OpenSolaris 2009.06 - man page for td_thr_setsigpending (opensolaris section 3cdb)

td_thr_setsigpending(3C_DB)				Threads Debugging Library Functions			       td_thr_setsigpending(3C_DB)

NAME
td_thr_setsigpending, td_thr_sigsetmask - manage thread signals for libc_db
SYNOPSIS
cc [ flag... ] file... -lc_db [ library... ] #include <proc_service.h> #include <thread_db.h> td_err_e td_thr_setsigpending(const td_thrhandle_t * th_p, const uchar_ t ti_sigpending_flag, const sigset_t ti_sigmask;); td_err_e td_thr_sigsetmask(const td_thrhandle_t *th_p, const sigset_t ti_sigmask);
DESCRIPTION
The td_thr_setsigpending() and td_thr_setsigmask() functions affect the signal state of the thread identified by th_p. The td_thr_setsigpending() function sets the set of pending signals for thread th_p to ti_sigpending. The value of the libc-internal field that indicates whether a thread has any signal pending is set to ti_sigpending_flag. To be consistent, ti_sigpending_flag should be 0 if and only if all of the bits in ti_sigpending are 0. The td_thr_sigsetmask() function sets the signal mask of the thread th_p as if the thread had set its own signal mask with thr_sigset- mask(3C). The new signal mask is the value of ti_sigmask. There is no equivalent to the SIG_BLOCK or SIG_UNBLOCK operations of thr_sigsetmask(3C), which mask or unmask specific signals without affecting the mask state of other signals. To block or unblock specific signals, 1. stop either the entire process or the thread with td_thr_dbsuspend(), 2. determine the thread's existing signal mask by calling td_thr_get_info(3C_DB), 3. modify the ti_sigmask member of the td_thrinfo_t structure as desired, and 4. set the new signal mask withtd_thr_sigsetmask().
RETURN VALUES
TD_OK The call completed successfully. TD_BADTH An invalid thread handle was passed in. TD_DBERR A call to one of the imported interface routines failed. TD_ERR A libc_db internal error occurred.
ATTRIBUTES
See attributes(5) for description of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |MT-Level |Safe | +-----------------------------+-----------------------------+
SEE ALSO
libc_db(3LIB), td_thr_dbsuspend(3C_DB), td_thr_get_info(3C_DB), attributes(5) SunOS 5.11 20 Oct 1998 td_thr_setsigpending(3C_DB)

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