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create_thread_user_stack(): Fix incorrect handling of TLS size

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In case a custom stack was given, the TLS size was subtracted from the
stack base, not the stack size.
This commit is contained in:
Ingo Weinhold
2012-02-12 15:04:30 +01:00
parent 3e2017d24e
commit 88520e79d8
1 changed files with 2 additions and 4 deletions
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src/system/kernel/thread.cpp
+2 -4
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@@ -793,10 +793,8 @@ create_thread_user_stack(Team* team, Thread* thread, void* _stackBase,
if (stackSize < MIN_USER_STACK_SIZE) if (stackSize < MIN_USER_STACK_SIZE)
return B_BAD_VALUE; return B_BAD_VALUE;
stackBase -= TLS_SIZE; stackSize -= TLS_SIZE;
} } else {
if (stackBase == NULL) {
// No user-defined stack -- allocate one. For non-main threads the stack // No user-defined stack -- allocate one. For non-main threads the stack
// will be between USER_STACK_REGION and the main thread stack area. For // will be between USER_STACK_REGION and the main thread stack area. For
// a main thread the position is fixed. // a main thread the position is fixed.