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| author | Mole Shang <[email protected]> | 2024-02-11 14:41:35 +0800 |
|---|---|---|
| committer | Mole Shang <[email protected]> | 2024-02-11 14:41:35 +0800 |
| commit | 48a5e34fcd07852b4a68825ce8e37feb6f6d04d7 (patch) | |
| tree | b6ec41ca1889db0122d754b0083c7d1d87cb0818 /kernel/proc.h | |
| parent | 3673a2cdfb30e1e3936e695a3fb8adee74488d6b (diff) | |
| download | xv6-labs-48a5e34fcd07852b4a68825ce8e37feb6f6d04d7.tar.gz xv6-labs-48a5e34fcd07852b4a68825ce8e37feb6f6d04d7.tar.bz2 xv6-labs-48a5e34fcd07852b4a68825ce8e37feb6f6d04d7.zip | |
lab traps: finishtraps
Diffstat (limited to 'kernel/proc.h')
| -rw-r--r-- | kernel/proc.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/proc.h b/kernel/proc.h index c816ae2..a195b02 100644 --- a/kernel/proc.h +++ b/kernel/proc.h @@ -106,4 +106,9 @@ struct proc { struct file *ofile[NOFILE]; // Open files struct inode *cwd; // Current directory char name[16]; // Process name (debugging) + int alarm_interval; // sigalarm syscall interval + uint64 alarm_handler; // sigalarm syscall handler + int alarm_tickspassed; // record how many ticks passed since last sigalarm handler call + int alarm_caninvoke; // prevent re-entrant calls to handler + struct trapframe *atpfm; // trapframe to resume after handling, must hold p->lock }; |