X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=inline;f=src%2Fthreads%2Finterrupt.h;h=d54b7ef0893ff4caff7af5883d47b7c123fcd0d8;hb=be193f8d945ee145b404e8b33fae7616a4b408f4;hp=40d7b6e139671b584d54ef7fdd5ce49ed25e11d9;hpb=6c5c6fdfe80bad40c90c19b67f00226610d59a38;p=pintos-anon

diff --git a/src/threads/interrupt.h b/src/threads/interrupt.h
index 40d7b6e..d54b7ef 100644
--- a/src/threads/interrupt.h
+++ b/src/threads/interrupt.h
@@ -1,5 +1,5 @@
-#ifndef HEADER_INTERRUPT_H
-#define HEADER_INTERRUPT_H 1
+#ifndef THREADS_INTERRUPT_H
+#define THREADS_INTERRUPT_H
 
 #include <stdbool.h>
 #include <stdint.h>
@@ -36,12 +36,12 @@ struct intr_frame
     uint32_t vec_no;            /* Interrupt vector number. */
 
     /* Sometimes pushed by the CPU,
-       otherwise by intrXX_stub for consistency. */
+       otherwise for consistency pushed as 0 by intrXX_stub. */
     uint32_t error_code;        /* Error code. */
 
     /* Pushed by the CPU.
        These are the interrupted task's saved registers. */
-    void (*eip) (void);         /* Current or next instruction. */
+    void (*eip) (void);         /* Next instruction to execute. */
     uint16_t cs, :16;           /* Code segment for eip. */
     uint32_t eflags;            /* Saved CPU flags. */
     void *esp;                  /* Saved stack pointer. */
@@ -59,4 +59,4 @@ void intr_yield_on_return (void);
 void intr_dump_frame (const struct intr_frame *);
 const char *intr_name (uint8_t vec);
 
-#endif /* interrupt.h */
+#endif /* threads/interrupt.h */