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(lwpProc): Members lowmark and himark are confusing, replace by

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ustack, usize.
(lwpCreate): Initialize them.
(lwpStackCheckInit, lwpStackCheck, lwpStackCheckUsed): Rewrite using
them.  lwpStackCheckUsed() was off by LWP_REDZONE when stack grows
down.

(lwpDestroy): Don't bother to clear memory to be freed.
This commit is contained in:
Markus Armbruster 2005-12-10 17:26:22 +00:00
parent bd7b1f480a
commit 2218a7a9a1
2 changed files with 53 additions and 107 deletions
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8
src/lib/lwp/lwpint.h
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@ -42,8 +42,10 @@ struct lwpProc {
#else /* !UCONTEXT */
jmp_buf context; /* processor context area */
#endif /* !UCONTEXT */
void *sbtm; /* bottom of stack attached to it */
int size; /* size of stack */
void *sbtm; /* stack buffer attached to it */
int size; /* size of stack buffer */
char *ustack; /* lowest usable stack address */
int usize; /* size of usable stack */
void (*entry)(void *); /* entry point */
int dead; /* whether the process can be rescheduled */
int pri; /* which scheduling queue we're on */
@ -52,8 +54,6 @@ struct lwpProc {
int argc; /* initial arguments */
char **argv;
void *ud; /* user data */
void *lowmark; /* start of low buffer around stack */
void *himark; /* start of upper buffer around stack */
char *name; /* process name and description */
char *desc;
int flags;