Function report |
Source Code:ipc\syscall.c |
Create Date:2022-07-28 16:49:00 |
Last Modify:2020-03-17 22:59:43 | Copyright©Brick |
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Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:ksys_ipc
Proto:int ksys_ipc(unsigned int call, int first, unsigned long second, unsigned long third, void __user *ptr, long fifth)
Type:int
Parameter:
Type | Parameter | Name |
---|---|---|
unsigned int | call | |
int | first | |
unsigned long | second | |
unsigned long | third | |
void __user * | ptr | |
long | fifth |
26 | call &= 0xffff |
32 | Case call == SEMTIMEDOP |
33 | If IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm',* 0 otherwise.(CONFIG_64BIT) Then Return ksys_semtimedop(first, ptr, second, (conststruct__kernel_timespec__user * )fifth) |
36 | Else if IS_ENABLED(CONFIG_FOO) evaluates to 1 if CONFIG_FOO is set to 'y' or 'm',* 0 otherwise.(CONFIG_COMPAT_32BIT_TIME) Then Return compat_ksys_semtimedop(first, ptr, second, (conststructold_timespec32__user * )fifth) |
39 | Else Return -ENOSYS |
43 | Return ksys_semget(first, second, third) |
48 | If Get a simple variable from user space(arg, (unsignedlong__user * )ptr) Then Return -EFAULT |
50 | Return ksys_old_semctl(first, second, third, arg) |
58 | Case version == 0 |
63 | If copy_from_user( & tmp, (structipc_kludge__user * )ptr, size of tmp ) Then Return -EFAULT |
70 | Default |
76 | Return ksys_msgget((key_t)first, second) |
83 | Default |
89 | Return Write a simple value into user space(raddr, (unsignedlong__user * )third) |
91 | Case version == 1 |
96 | Return -EINVAL |
101 | Return ksys_shmget(first, second, third) |
105 | Default |
106 | Return -ENOSYS |
Name | Describe |
---|---|
SYSCALL_DEFINE6 |
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