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| author | Robert Morris <[email protected]> | 2023-09-08 09:24:27 -0400 |
|---|---|---|
| committer | Robert Morris <[email protected]> | 2023-09-08 09:24:27 -0400 |
| commit | 18998096701a1d4695b2097006d7afc2a539bd89 (patch) | |
| tree | 48ea20d4e59827b69a647e7e3823f40465351909 /kernel/sysproc.c | |
| parent | 74c1eba516fdb0ec1a17b16be7e76613ccba92bf (diff) | |
| download | xv6-labs-18998096701a1d4695b2097006d7afc2a539bd89.tar.gz xv6-labs-18998096701a1d4695b2097006d7afc2a539bd89.tar.bz2 xv6-labs-18998096701a1d4695b2097006d7afc2a539bd89.zip | |
3rd lab
Diffstat (limited to 'kernel/sysproc.c')
| -rw-r--r-- | kernel/sysproc.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/kernel/sysproc.c b/kernel/sysproc.c index 3b4d5bd..88644b2 100644 --- a/kernel/sysproc.c +++ b/kernel/sysproc.c @@ -1,7 +1,7 @@ #include "types.h" #include "riscv.h" -#include "defs.h" #include "param.h" +#include "defs.h" #include "memlayout.h" #include "spinlock.h" #include "proc.h" @@ -54,9 +54,8 @@ sys_sleep(void) int n; uint ticks0; + argint(0, &n); - if(n < 0) - n = 0; acquire(&tickslock); ticks0 = ticks; while(ticks - ticks0 < n){ @@ -70,6 +69,16 @@ sys_sleep(void) return 0; } + +#ifdef LAB_PGTBL +int +sys_pgaccess(void) +{ + // lab pgtbl: your code here. + return 0; +} +#endif + uint64 sys_kill(void) { |