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error in if statement
Post 302195203 by capri_drm on Wednesday 14th of May 2008 02:00:51 PM
05-14-2008
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LEARN ABOUT SUNOS
rsm_intr_signal_wait
rsm_intr_signal_post(3RSM) Remote Shared Memory Library Functions rsm_intr_signal_post(3RSM) NAME
rsm_intr_signal_post, rsm_intr_signal_wait - signal or wait for an event SYNOPSIS
cc [ flag... ] file... -lrsm [ library... ] #include <rsmapi.h> int rsm_intr_signal_post(void *memseg, uint_t flags); int rsm_intr_signal_wait(void *memseg, int timeout); DESCRIPTION
The rsm_intr_signal_post() and rsm_intr_signal_wait() functions are event functions that allow synchronization between importer processes and exporter processes. A process may block to wait for an event occurance by calling rsm_intr_signal_wait(). A process can signal a wait- ing process when an event occurs by calling rsm_intr_signal_post(). The rsm_intr_signal_post() function signals an event occurance. Either an import segment handle (rsm_memseg_import_handle_t) or an export segment handle (rsm_memseg_export_handle_t) may be type cast to a void pointer for the memseg argument. If memseg refers to an import han- dle, the exporting process is signalled. If memseg refers to an export handle, all importers of that segment are signalled. The flags argu- ment may be set to RSM_SIGPOST_NO_ACCUMULATE; this will cause this event to be discarded if an event is already pending for the target seg- ment. The rsm_intr_signal_wait() function allows a process to block and wait for an event occurance. Either an import segment handle (rsm_mem- seg_import_handle_t) or an export segment handle (rsm_memseg_export_handle_t) may be type cast to a void pointer for the memseg argument. The process blocks for up to timeout milliseconds for an event to occur; if the timeout value is -1, the process blocks until an event occurs or until interrupted. RETURN VALUES
Upon successful completion, these functions return 0. Otherwise, an error value is returned to indicate the error. ERRORS
The rsm_intr_signal_post() and rsm_intr_signal_wait() functions can return the following error: RSMERR_BAD_SEG_HNDL Invalid segment handle. The rsm_intr_signal_post() function can return the following error: RSMERR_CONN_ABORTED Connection aborted. RSMERR_REMOTE_NODE_UNREACHABL Remote node not reachable. The rsm_intr_signal_wait() function can return the following errors: RSMERR_INTERRUPTED Wait interrupted. RSMERR_TIMEOUT Timer expired. ATTRIBUTES
See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Interface Stability |Evolving | +-----------------------------+-----------------------------+ |MT-Level |MT-Safe | +-----------------------------+-----------------------------+ SEE ALSO
rsm_memseg_get_pollfd(3RSM), attributes(5) SunOS 5.10 7 Nov 2002 rsm_intr_signal_post(3RSM)