Lines Matching defs:region
436 * signal critical region support
444 signals[] = /* held inside critical region */
474 * critical signal region handler
476 * op>0 new region according to SIG_REG_*, return region level
477 * op==0 pop region, return region level
478 * op<0 return non-zero if any signals held in current region
480 * signals[] held until region popped
489 static int region;
497 region = op;
512 if (region & signals[i].op)