spinlock.c · 3a5fa7ed9020eaf8ab843a16d26db7393b2ec072 · csep551 / xv6-19au

13 years ago

Introduce and use sleeplocks instead of BUSY flags · 3a5fa7ed

Frans Kaashoek authored 13 years ago

Remove I_BUSY, B_BUSY, and intrans defs and usages
One spinlock per buf to avoid ugly loop in bget
fix race in filewrite (don't update f->off after releasing lock)

3a5fa7ed

History

Introduce and use sleeplocks instead of BUSY flags

Frans Kaashoek authored 13 years ago

Remove I_BUSY, B_BUSY, and intrans defs and usages
One spinlock per buf to avoid ugly loop in bget
fix race in filewrite (don't update f->off after releasing lock)

spinlock.c 3.50 KiB