Function report

Linux Kernel

v5.5.9

Brick Technologies Co., Ltd

Source Code:fs\signalfd.c Create Date:2022-07-28 20:19:39
Last Modify:2020-03-12 14:18:49 Copyright©Brick
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Name:SYSCALL_DEFINE4

Proto:SYSCALL_DEFINE4(signalfd4, int, ufd, sigset_t __user *, user_mask, size_t, sizemask, int, flags)

Type:

Parameter:Nothing

317  If sizemask != sizeof(sigset_t) || copy_from_user( & mask, user_mask, size of mask ) Then Return -EINVAL
320  Return do_signalfd4(ufd, & mask, flags)