Function report |
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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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:do_signalfd4
Proto:static int do_signalfd4(int ufd, sigset_t *mask, int flags)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
int | ufd | |
sigset_t * | mask | |
int | flags |
271 | If flags & ~(Flags for signalfd4. | SFD_NONBLOCK) Then Return -EINVAL |
277 | If ufd == -1 Then |
278 | ctx = Allocation memory |
292 | Else |
297 | If f_op != signalfd_fops Then |
301 | spin_lock_irq( & siglock) |
303 | spin_unlock_irq( & siglock) |
305 | wake_up( & signalfd_wqh) |
309 | Return ufd |
Name | Describe |
---|---|
SYSCALL_DEFINE4 | |
SYSCALL_DEFINE3 | |
do_compat_signalfd4 |
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