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Better means to debug apps that try to acquire kernel semaphores.

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git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@16695 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Axel Dörfler
2006-03-10 23:55:50 +00:00
parent bf8dbdb413
commit 6d24fdc557
1 changed files with 7 additions and 2 deletions
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src/system/kernel/sem.c
+7 -2
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@@ -499,8 +499,8 @@ switch_sem_etc(sem_id semToBeReleased, sem_id id, int32 count,
// doesn't have any use outside the kernel // doesn't have any use outside the kernel
if ((flags & B_CHECK_PERMISSION) != 0 if ((flags & B_CHECK_PERMISSION) != 0
&& sSems[slot].u.used.owner == team_get_kernel_team_id()) { && sSems[slot].u.used.owner == team_get_kernel_team_id()) {
dprintf("thread %ld tried to acquire kernel semaphore.\n", dprintf("thread %ld tried to acquire kernel semaphore %ld.\n",
thread_get_current_thread_id()); thread_get_current_thread_id(), id);
status = B_NOT_ALLOWED; status = B_NOT_ALLOWED;
goto err; goto err;
} }
@@ -618,6 +618,11 @@ err:
RELEASE_SEM_LOCK(sSems[slot]); RELEASE_SEM_LOCK(sSems[slot]);
restore_interrupts(state); restore_interrupts(state);
#if 0
if (status == B_NOT_ALLOWED)
_user_debugger("Thread tried to acquire kernel semaphore.");
#endif
return status; return status;
} }