Function alloc_socketbase

src/bsdsocket.cpp:401–449

Allocate and initialize per-task state structure */

/* Allocate and initialize per-task state structure */
static struct socketbase *alloc_socketbase (TrapContext *ctx)
{
	SB;
	int i;

	if ((sb = xcalloc (struct socketbase, 1)) != NULL) {
		sb->ownertask = gettask(ctx);
		sb->sysbase = trap_get_long(ctx, 4);

		trap_call_add_dreg(ctx, 0, -1);
		sb->signal = trap_call_lib(ctx, sb->sysbase, -0x14A); /* AllocSignal */

		if (sb->signal == -1) {
			write_log (_T("bsdsocket: ERROR: Couldn't allocate signal for task 0x%08x.\n"), sb->ownertask);
			free (sb);
			return NULL;
		}
//		trap_get_dreg(ctx, 0) = SCRATCHBUFSIZE;
//		trap_get_dreg(ctx, 1) = 0;

		sb->dtablesize = DEFAULT_DTABLE_SIZE;
		/* @@@ check malloc() result */
		sb->dtable = xmalloc(SOCKET, sb->dtablesize);
		sb->ftable = xcalloc(int, sb->dtablesize);

		for (i = sb->dtablesize; i--;)
			sb->dtable[i] = INVALID_SOCKET;

		sb->eintrsigs = 0x1000; /* SIGBREAKF_CTRL_C */

		sb->logfacility = 1 << 3; /* LOG_USER */
		sb->logmask = 0xff;

		if (!host_sbinit(ctx, sb)) {
			/* @@@ free everything   */
		}

		locksigqueue();

		if (socketbases)
			sb->next = socketbases;
		socketbases = sb;

		unlocksigqueue();

		return sb;
	}
	return NULL;
}

STATIC_INLINE struct socketbase *get_socketbase (TrapContext *ctx)
{