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Use dynamic instead of static LDT allocation.

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Approved by: re (scottl)
This commit is contained in:
Mike Makonnen 2003-12-02 16:00:26 +00:00
parent 4e72678dee
commit a4be5b10a2
1 changed files with 4 additions and 5 deletions
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9
lib/libthr/arch/i386/i386/_setcurthread.c
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@ -90,7 +90,6 @@ _set_curthread(ucontext_t *uc, struct pthread *thr, int *err)
union descriptor desc;
void **ldt_entry;
int ldt_index;
int error;
*err = 0;
@ -128,7 +127,6 @@ _set_curthread(ucontext_t *uc, struct pthread *thr, int *err)
* what the gs register will point to.
*/
*ldt_entry = (void *)thr;
ldt_index = LDT_INDEX(ldt_entry);
bzero(&desc, sizeof(desc));
@ -147,9 +145,10 @@ _set_curthread(ucontext_t *uc, struct pthread *thr, int *err)
desc.sd.sd_gran = 0;
desc.sd.sd_hibase = (unsigned int)ldt_entry >> 24;
error = i386_set_ldt(ldt_index, &desc, 1);
if (error == -1)
abort();
/* Get a slot from the process' LDT list */
ldt_index = i386_set_ldt(LDT_AUTO_ALLOC, &desc, 1);
if (ldt_index == -1)
abort();
/*
* Set up our gs with the index into the ldt for this entry.