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Use a spare for the thread pointer (mc_thrptr). The thread pointer

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is only read and written by set_mcontext() and get_mcontext() for
use by threading libraries.
This commit is contained in:
Marcel Moolenaar 2003-07-24 07:34:31 +00:00
parent 3665b7c29b
commit 286cc49014
1 changed files with 2 additions and 1 deletions
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3
sys/alpha/include/ucontext.h
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@ -50,7 +50,8 @@ typedef struct __mcontext {
#define _MC_REV0_SIGFRAME 1 /* context is a signal frame */
#define _MC_REV0_TRAPFRAME 2 /* context is a trap frame */
long mc_format;
long mc_spare[6];
long mc_thrptr; /* Thread pointer */
long mc_spare[5];
} mcontext_t;
#if defined(_KERNEL) && defined(COMPAT_FREEBSD4)