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Proc locking.

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This commit is contained in:
John Baldwin 2001-01-23 23:51:56 +00:00
parent fad5d2b1f8
commit c797833a37
1 changed files with 2 additions and 0 deletions
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2
sys/gnu/i386/fpemul/fpu_entry.c
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@ -230,8 +230,10 @@ math_emulate(struct trapframe * tframe)
#endif #endif
FPU_lookahead = FPU_LOOKAHEAD; FPU_lookahead = FPU_LOOKAHEAD;
PROC_LOCK(curproc);
if (curproc->p_flag & P_TRACED) if (curproc->p_flag & P_TRACED)
FPU_lookahead = 0; FPU_lookahead = 0;
PROC_UNLOCK(curproc);
do_another_FPU_instruction: do_another_FPU_instruction: