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| author | Robert Morris <rtm@csail.mit.edu> | 2020-08-28 05:44:09 -0400 |
|---|---|---|
| committer | Frans Kaashoek <kaashoek@mit.edu> | 2020-08-28 09:00:41 -0400 |
| commit | 748809e1b36cd08b21ddfdf79486787cc5c85453 (patch) | |
| tree | ee9d5d2664b572979758d8569aea2ff89fcf8193 /kernel/console.c | |
| parent | de434fd933a07fba80d16441a5cd70ebebcde518 (diff) | |
| download | xv6-labs-2022-748809e1b36cd08b21ddfdf79486787cc5c85453.tar.xz xv6-labs-2022-748809e1b36cd08b21ddfdf79486787cc5c85453.zip | |
suppress write() output after panic()
Diffstat (limited to 'kernel/console.c')
| -rw-r--r-- | kernel/console.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/console.c b/kernel/console.c index 2b1ed3c..1885593 100644 --- a/kernel/console.c +++ b/kernel/console.c @@ -66,6 +66,12 @@ int consolewrite(int user_src, uint64 src, int n) { int i; + extern volatile int panicked; // from printf.c + + if(panicked){ + for(;;) + ; + } acquire(&cons.lock); for(i = 0; i < n; i++){ |