Function report |
Source Code:fs\read_write.c |
Create Date:2022-07-28 20:01:27 |
Last Modify:2020-03-18 10:18:51 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:SYSCALL_DEFINE4
Proto:SYSCALL_DEFINE4(sendfile64, int, out_fd, int, in_fd, loff_t __user *, offset, size_t, count)
Type:
Parameter:Nothing
1516 | If offset Then |
1517 | If Value for the false possibility is greater at compile time(copy_from_user( & pos, offset, sizeof(loff_t))) Then Return -EFAULT |
1520 | If Value for the false possibility is greater at compile time(Write a simple value into user space(pos, offset)) Then Return -EFAULT |
1522 | Return ret |
1525 | Return do_sendfile(out_fd, in_fd, NULL, count, 0) |
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