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* Added a "name changed" notification to the thread notification service.

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* Added a "team" field to the notification events.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39861 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Ingo Weinhold 2010-12-16 01:44:15 +00:00
parent 2d8d1cdbaa
commit 4ebc8f615d
2 changed files with 33 additions and 23 deletions
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7
headers/private/kernel/thread.h
View File

@ -25,9 +25,10 @@ struct thread_creation_attributes;
// thread notifications
#define THREAD_MONITOR '_tm_'
#define THREAD_ADDED 0x01
#define THREAD_REMOVED 0x02
#define THREAD_MONITOR '_tm_'
#define THREAD_ADDED 0x01
#define THREAD_REMOVED 0x02
#define THREAD_NAME_CHANGED 0x04
#ifdef __cplusplus

49
src/system/kernel/thread.cpp
View File

@ -97,17 +97,25 @@ public:
{
}
void Notify(uint32 eventCode, struct thread* thread)
void Notify(uint32 eventCode, team_id teamID, thread_id threadID,
struct thread* thread = NULL)
{
char eventBuffer[128];
KMessage event;
event.SetTo(eventBuffer, sizeof(eventBuffer), THREAD_MONITOR);
event.AddInt32("event", eventCode);
event.AddInt32("thread", thread->id);
event.AddPointer("threadStruct", thread);
event.AddInt32("team", teamID);
event.AddInt32("thread", threadID);
if (thread != NULL)
event.AddPointer("threadStruct", thread);
DefaultNotificationService::Notify(event, eventCode);
}
void Notify(uint32 eventCode, struct thread* thread)
{
return Notify(eventCode, thread->id, thread->team->id, thread);
}
};
@ -2533,33 +2541,34 @@ find_thread(const char *name)
status_t
rename_thread(thread_id id, const char *name)
rename_thread(thread_id id, const char* name)
{
struct thread *thread = thread_get_current_thread();
status_t status = B_BAD_THREAD_ID;
cpu_status state;
struct thread* thread = thread_get_current_thread();
if (name == NULL)
return B_BAD_VALUE;
state = disable_interrupts();
GRAB_THREAD_LOCK();
InterruptsSpinLocker locker(gThreadSpinlock);
if (thread->id != id)
if (thread->id != id) {
thread = thread_get_thread_struct_locked(id);
if (thread != NULL) {
if (thread->team == thread_get_current_thread()->team) {
strlcpy(thread->name, name, B_OS_NAME_LENGTH);
status = B_OK;
} else
status = B_NOT_ALLOWED;
if (thread == NULL)
return B_BAD_THREAD_ID;
if (thread->team != thread_get_current_thread()->team)
return B_NOT_ALLOWED;
}
RELEASE_THREAD_LOCK();
restore_interrupts(state);
strlcpy(thread->name, name, B_OS_NAME_LENGTH);
return status;
team_id teamID = thread->team->id;
locker.Unlock();
// notify listeners
sNotificationService.Notify(THREAD_NAME_CHANGED, teamID, id);
// don't pass the thread structure, as it's unsafe, if it isn't ours
return B_OK;
}