Function Globals_GetCommandCtxs

src/globals.c:246–277

get all currently tracked CommandCtxs

// get all currently tracked CommandCtxs
void Globals_GetCommandCtxs
(
	CommandCtx **commands,  // array to populate
	uint32_t *count         // [input/output] number of entries in 'commands'
) {
	ASSERT(count != NULL);
	ASSERT(commands != NULL);
	ASSERT(_globals.command_ctxs != NULL);

	// make a copy of the command contexts
	uint32_t nthreads = ThreadPools_ThreadCount() + 1;
	uint32_t cap = *count;  // capacity of 'commands'
	uint32_t found = 0;     // number of command contexts found

	// acquire write lock
	pthread_rwlock_wrlock(&_globals.lock);

	// increase ref count of each CommandCtx
	for(uint32_t i = 0; i < nthreads && found < cap; i++) {
		CommandCtx *cmd = _globals.command_ctxs[i];
		if(cmd != NULL) {
			 CommandCtx_Incref(cmd);
			 commands[found++] = cmd;
		}
	}

	// release lock
	pthread_rwlock_unlock(&_globals.lock);

	// update number of command contexts found
	*count = found;
}

// free globals
void Globals_Free(void) {