Function report |
Source Code:fs\fcntl.c |
Create Date:2022-07-28 20:05:59 |
Last Modify:2020-03-12 14:18:49 | Copyright©Brick |
home page | Tree |
Annotation kernel can get tool activity | Download SCCT | Chinese |
Name:send_sigio
Proto:void send_sigio(struct fown_struct *fown, int fd, int band)
Type:void
Parameter:
Type | Parameter | Name |
---|---|---|
struct fown_struct * | fown | |
int | fd | |
int | band |
784 | read_lock( & protects pid, uid, euid fields ) |
788 | If Not pid Then Go to out_unlock_fown |
791 | If type <= PIDTYPE_TGID Then |
793 | p = pid_task(pid, PIDTYPE_PID) |
797 | Else |
798 | read_lock( & tasklist_lock) |
799 | Do |
799 | typeof(({typeof(( * ((struct hlist_node * * )( & ( & (pid)-> lists of tasks that use this pid [type])->first))))________p1 = ({union{typeof(( * ((struct hlist_node * * )( & ( & (pid)-> lists of tasks that use this pid [type])->first))))__val;char __c[1];}__u;if (1)__read_once_size( & (( * ((struct hlist_node * * )( & ( & (pid)-> lists of tasks that use this pid [type])->first)))), __u.__c, sizeof(( * ((struct hlist_node * * )( & ( & (pid)-> lists of tasks that use this pid [type])->first)))));Else __read_once_size_nocheck( & (( * ((struct hlist_node * * )( & ( & (pid)-> lists of tasks that use this pid [type])->first)))), __u.__c, sizeof(( * ((struct hlist_node * * )( & ( & (pid)-> lists of tasks that use this pid [type])->first)))));Do{}while (0);__u.__val;});((typeof( * ( * ((struct hlist_node * * )( & ( & (pid)-> lists of tasks that use this pid [type])->first)))) * )(________p1));}))____ptr = (({ |
799 | typeof(( * ((struct hlist_node * * )( & ( & (pid)-> lists of tasks that use this pid [type])->first))))________p1 = ({ |
799 | union{typeof(( * ((structhlist_node * * )( & first)))) __val;char __c[1];}__u |
799 | If 1 Then __read_once_size( & (( * ((structhlist_node * * )( & first)))), __c, size of *first ) |
799 | Else __read_once_size_nocheck( & (( * ((structhlist_node * * )( & first)))), __c, size of *first ) |
799 | Do |
799 | When 0 cycle |
799 | __val |
799 | }) |
799 | })) |
799 | ____ptr ? ({ |
799 | }) : NULL |
799 | typeof(({typeof(( * ((struct hlist_node * * )( & ( & ((p))->pid_links[type])->next))))________p1 = ({union{typeof(( * ((struct hlist_node * * )( & ( & ((p))->pid_links[type])->next))))__val;char __c[1];}__u;if (1)__read_once_size( & (( * ((struct hlist_node * * )( & ( & ((p))->pid_links[type])->next)))), __u.__c, sizeof(( * ((struct hlist_node * * )( & ( & ((p))->pid_links[type])->next)))));Else __read_once_size_nocheck( & (( * ((struct hlist_node * * )( & ( & ((p))->pid_links[type])->next)))), __u.__c, sizeof(( * ((struct hlist_node * * )( & ( & ((p))->pid_links[type])->next)))));Do{}while (0);__u.__val;});((typeof( * ( * ((struct hlist_node * * )( & ( & ((p))->pid_links[type])->next)))) * )(________p1));}))____ptr = (({ |
799 | typeof(( * ((struct hlist_node * * )( & ( & ((p))->pid_links[type])->next))))________p1 = ({ |
799 | union{typeof(( * ((structhlist_node * * )( & next)))) __val;char __c[1];}__u |
799 | If 1 Then __read_once_size( & (( * ((structhlist_node * * )( & next)))), __c, size of *next ) |
799 | Else __read_once_size_nocheck( & (( * ((structhlist_node * * )( & next)))), __c, size of *next ) |
799 | Do |
799 | When 0 cycle |
799 | __val |
799 | }) |
799 | })) |
799 | ____ptr ? ({ |
799 | }) : NULL |
799 | })) |
801 | If type == PIDTYPE_PID Then Break |
801 | When 0 cycle |
802 | read_unlock( & tasklist_lock) |
804 | out_unlock_fown : |
Name | Describe |
---|---|
kill_fasync_rcu | _read_lock() is held |
dnotify_handle_event | Mains fsnotify call where events are delivered to dnotify.* Find the dnotify mark on the relevant inode, run the list of dnotify structs* on that mark and determine which of them has expressed interest in receiving* events of this type |
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