i2p/haiku-beta6
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Add several extra scheduler hook functions to allow the scheduler(s) to maintain private housekeeping data on the thread structs. These hooks are called on thread creation/destruction and when prepping a thread for use. Review welcome.

Browse Source 
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@29721 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Rene Gollent
2009-03-26 00:58:20 +00:00
parent 4ecbee4f94
commit 0296b82ae6
5 changed files with 104 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/system/kernel/thread.cpp
+14 -3
View File
@@ -195,6 +195,7 @@ create_thread_struct(struct thread *inthread, const char *name,
struct thread *thread;
cpu_status state;
char temp[64];
bool recycled = false;
if (inthread == NULL) {
// try to recycle one from the dead queue first
@@ -209,10 +210,15 @@ create_thread_struct(struct thread *inthread, const char *name,
thread = (struct thread *)malloc(sizeof(struct thread));
if (thread == NULL)
return NULL;
} else {
recycled = true;
}
} else {
thread = inthread;
}
if (!recycled)
scheduler_on_thread_create(thread);
if (name != NULL)
strlcpy(thread->name, name, B_OS_NAME_LENGTH);
@@ -253,7 +259,7 @@ create_thread_struct(struct thread *inthread, const char *name,
thread->select_infos = NULL;
thread->post_interrupt_callback = NULL;
thread->post_interrupt_data = NULL;
sprintf(temp, "thread_%ld_retcode_sem", thread->id);
thread->exit.sem = create_sem(0, temp);
if (thread->exit.sem < B_OK)
@@ -271,7 +277,7 @@ create_thread_struct(struct thread *inthread, const char *name,
if (arch_thread_init_thread_struct(thread) < B_OK)
goto err4;
return thread;
err4:
@@ -282,8 +288,10 @@ err2:
delete_sem(thread->exit.sem);
err1:
// ToDo: put them in the dead queue instead?
if (inthread == NULL)
if (inthread == NULL) {
free(thread);
scheduler_on_thread_destroy(thread);
}
return NULL;
}
@@ -295,6 +303,8 @@ delete_thread_struct(struct thread *thread)
delete_sem(thread->msg.write_sem);
delete_sem(thread->msg.read_sem);
scheduler_on_thread_destroy(thread);
// ToDo: put them in the dead queue instead?
free(thread);
}
@@ -446,6 +456,7 @@ create_thread(thread_creation_attributes& attributes, bool kernel)
// insert into global list
hash_insert(sThreadHash, thread);
sUsedThreads++;
scheduler_on_thread_init(thread);
RELEASE_THREAD_LOCK();
GRAB_TEAM_LOCK();