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Added another argument parameter for the thread creation code. Helps

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implementing a more efficient on_exit_thread().
Note, this extra parameter is currently only used for user space code,
not yet in the kernel; thus on_exit_thread() is not available in the kernel.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@3075 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2003-04-18 09:38:28 +00:00
parent 8b5c1ef5f6
commit 08b73e5905
5 changed files with 25 additions and 22 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/kernel/core/arch/x86/arch_thread.c
+5 -5
View File
@@ -216,16 +216,16 @@ arch_thread_dump_info(void *info)
*/
void
arch_thread_enter_uspace(struct thread *t, addr entry, void *args)
arch_thread_enter_uspace(struct thread *t, addr entry, void *args1, void *args2)
{
addr ustack_top = t->user_stack_base + STACK_SIZE;
dprintf("arch_thread_enter_uspace: entry 0x%lx, args %p, ustack_top 0x%lx\n",
entry, args, ustack_top);
dprintf("arch_thread_enter_uspace: entry 0x%lx, args %p %p, ustack_top 0x%lx\n",
entry, args1, args2, ustack_top);
// make sure the fpu is in a good state
asm("fninit");
// access the new stack to make sure the memory page is present
// while interrupts are disabled.
// XXX does this belong there, should caller take care of it?
@@ -238,7 +238,7 @@ arch_thread_enter_uspace(struct thread *t, addr entry, void *args)
// set the CPU dependent GDT entry for TLS
set_tls_context(t);
i386_enter_uspace(entry, args, ustack_top - 4);
i386_enter_uspace(entry, args1, args2, ustack_top - 4);
}
src/kernel/core/arch/x86/arch_x86.S
+7 -5
View File
@@ -179,11 +179,12 @@ i386_uspace_exit_stub:
i386_uspace_exit_stub_end:
/* void i386_enter_uspace(addr entry, void *args, addr ustack_top); */
/* void i386_enter_uspace(addr entry, void *args1, void *args2, addr ustack_top); */
FUNCTION(i386_enter_uspace):
movl 4(%esp),%eax // get entry point
movl 8(%esp),%edx // get arguments
movl 12(%esp),%ebx // get user stack
movl 12(%esp),%edi
movl 16(%esp),%ebx // get user stack
movw $USER_DATA_SEG,%cx
movw %cx,%ds
movw %cx,%es
@@ -201,9 +202,10 @@ _copy_more:
jg _copy_more
// push the args onto the user stack
movl %edx,-4(%ebx) // args
movl %ebx,-8(%ebx) // fake return address to copied exit stub
sub $8,%ebx
movl %edi,-4(%ebx) // args1
movl %edx,-8(%ebx) // args2
movl %ebx,-12(%ebx) // fake return address to copied exit stub
sub $12,%ebx
pushl $USER_DATA_SEG // user data segment
pushl %ebx // user stack
src/kernel/core/syscalls.c
+1 -1
View File
@@ -247,7 +247,7 @@ int syscall_dispatcher(unsigned long call_num, void *arg_buffer, uint64 *call_re
*call_ret = user_vm_get_region_info((region_id)arg0, (vm_region_info *)arg1);
break;
case SYSCALL_SPAWN_THREAD:
*call_ret = user_spawn_thread((thread_func)arg0, (const char *)arg1, (int)arg2, (void *)arg3);
*call_ret = user_spawn_thread((thread_func)arg0, (const char *)arg1, (int)arg2, (void *)arg3, (void *)arg4);
break;
case SYSCALL_SET_THREAD_PRIORITY:
*call_ret = user_set_thread_priority((thread_id)arg0, (int32)arg1);
src/kernel/core/team.c
+1 -1
View File
@@ -490,7 +490,7 @@ team_create_team2(void *args)
team->state = TEAM_STATE_NORMAL;
// jump to the entry point in user space
arch_thread_enter_uspace(t, entry, uspa);
arch_thread_enter_uspace(t, entry, uspa, NULL);
// never gets here
return 0;
src/kernel/core/thread.c
+11 -10
View File
@@ -179,7 +179,7 @@ create_thread_struct(const char *name)
t->team_next = NULL;
t->queue_next = NULL;
t->priority = -1;
t->args = NULL;
t->args1 = NULL; t->args2 = NULL;
t->sig_pending = 0;
t->sig_block_mask = 0;
memset(t->sig_action, 0, 32 * sizeof(struct sigaction));
@@ -255,7 +255,7 @@ _create_user_thread_kentry(void)
thread->in_kernel = false;
// jump to the entry point in user space
arch_thread_enter_uspace(thread, (addr)thread->entry, thread->args);
arch_thread_enter_uspace(thread, (addr)thread->entry, thread->args1, thread->args2);
// never get here
return 0;
@@ -278,12 +278,12 @@ _create_kernel_thread_kentry(void)
// call the entry function with the appropriate args
func = (void *)thread->entry;
return func(thread->args);
return func(thread->args1);
}
static thread_id
create_thread(const char *name, team_id teamID, thread_func entry, void *args, int32 priority, bool kernel)
create_thread(const char *name, team_id teamID, thread_func entry, void *args1, void *args2, int32 priority, bool kernel)
{
struct thread *t;
struct team *team;
@@ -339,7 +339,8 @@ create_thread(const char *name, team_id teamID, thread_func entry, void *args, i
if (t->kernel_stack_region_id < 0)
panic("_create_thread: error creating kernel stack!\n");
t->args = args;
t->args1 = args1;
t->args2 = args2;
t->entry = entry;
if (kernel) {
@@ -436,7 +437,7 @@ _dump_thread_info(struct thread *t)
dprintf("sem_errcode: 0x%x\n", t->sem_errcode);
dprintf("sem_flags: 0x%x\n", t->sem_flags);
dprintf("fault_handler: %p\n", (void *)t->fault_handler);
dprintf("args: %p\n", t->args);
dprintf("args: %p %p\n", t->args1, t->args2);
dprintf("entry: %p\n", (void *)t->entry);
dprintf("team: %p\n", t->team);
dprintf("return_code_sem: 0x%lx\n", t->return_code_sem);
@@ -1126,7 +1127,7 @@ thread_init_percpu(int cpu_num)
thread_id
spawn_kernel_thread_etc(thread_func function, const char *name, int32 priority, void *arg, team_id team)
{
return create_thread(name, team, function, arg, priority, true);
return create_thread(name, team, function, arg, NULL, priority, true);
}
@@ -1492,7 +1493,7 @@ resume_thread(thread_id id)
thread_id
spawn_kernel_thread(thread_func function, const char *name, int32 priority, void *arg)
{
return create_thread(name, team_get_kernel_team()->id, function, arg, priority, true);
return create_thread(name, team_get_kernel_team()->id, function, arg, NULL, priority, true);
}
@@ -1570,7 +1571,7 @@ user_set_thread_priority(thread_id thread, int32 newPriority)
thread_id
user_spawn_thread(thread_func entry, const char *userName, int32 priority, void *args)
user_spawn_thread(thread_func entry, const char *userName, int32 priority, void *data1, void *data2)
{
char name[SYS_MAX_OS_NAME_LEN];
@@ -1579,7 +1580,7 @@ user_spawn_thread(thread_func entry, const char *userName, int32 priority, void
|| user_strlcpy(name, userName, SYS_MAX_OS_NAME_LEN) < B_OK)
return B_BAD_ADDRESS;
return create_thread(name, thread_get_current_thread()->team->id, entry, args, priority, false);
return create_thread(name, thread_get_current_thread()->team->id, entry, data1, data2, priority, false);
}