linux-master/kernel/fork.c

2737 				    CLONE_UNTRACED) & ~CSIGNAL),
2738 		.exit_signal	= (lower_32_bits(flags) & CSIGNAL),
2851 				    CLONE_UNTRACED) & ~CSIGNAL),
2852 		.exit_signal	= (lower_32_bits(flags) & CSIGNAL),
2869 				    CLONE_UNTRACED) & ~CSIGNAL),
2870 		.exit_signal	= (lower_32_bits(flags) & CSIGNAL),
2931 		.flags		= (lower_32_bits(clone_flags) & ~CSIGNAL),
2935 		.exit_signal	= (lower_32_bits(clone_flags) & CSIGNAL),
2984 	if (unlikely((args.exit_signal & ~((u64)CSIGNAL)) ||
3052 	 * - make the CSIGNAL bits reusable for clone3
3054 	if (kargs->flags & (CLONE_DETACHED | (CSIGNAL & (~CLONE_NEWTIME))))