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Use a u_int for p_lock instead of a char: this avoids a (somewhat

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unlikely but not impossible given modern thread counts) wrap-around,
and the compiler was padding it out to an int (at least) anyway.

MFC after:	3 days (but confirm ABI impact)
This commit is contained in:
Robert Watson 2009-03-09 13:12:48 +00:00
parent 6f63bf4edf
commit ffe96ceede
1 changed files with 1 additions and 1 deletions
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2
sys/sys/proc.h
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@ -491,7 +491,7 @@ struct proc {
struct vnode *p_tracevp; /* (c + o) Trace to vnode. */
struct ucred *p_tracecred; /* (o) Credentials to trace with. */
struct vnode *p_textvp; /* (b) Vnode of executable. */
char p_lock; /* (c) Proclock (prevent swap) count. */
u_int p_lock; /* (c) Proclock (prevent swap) count. */
struct sigiolst p_sigiolst; /* (c) List of sigio sources. */
int p_sigparent; /* (c) Signal to parent on exit. */
int p_sig; /* (n) For core dump/debugger XXX. */