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authorMole Shang <[email protected]>2024-02-11 14:41:35 +0800
committerMole Shang <[email protected]>2024-02-11 14:41:35 +0800
commit48a5e34fcd07852b4a68825ce8e37feb6f6d04d7 (patch)
treeb6ec41ca1889db0122d754b0083c7d1d87cb0818 /kernel/proc.h
parent3673a2cdfb30e1e3936e695a3fb8adee74488d6b (diff)
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lab traps: finishtraps
Diffstat (limited to 'kernel/proc.h')
-rw-r--r--kernel/proc.h5
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
};