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Mention that process_wait() can be changed to an infinite loop
author
Ben Pfaff
<blp@cs.stanford.edu>
Thu, 22 Dec 2005 20:44:27 +0000
(20:44 +0000)
committer
Ben Pfaff
<blp@cs.stanford.edu>
Thu, 22 Dec 2005 20:44:27 +0000
(20:44 +0000)
temporarily.
doc/userprog.texi
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diff --git
a/doc/userprog.texi
b/doc/userprog.texi
index 00c0f67e21740c550ca2c0d44ae782ebd7b597d1..ab6115ce6c67b348a40f5eb1c7e9707c8e1d29c9 100644
(file)
--- a/
doc/userprog.texi
+++ b/
doc/userprog.texi
@@
-481,6
+481,12
@@
The @code{write} system call for writing to fd 1, the system console.
All of our test programs write to the console (the user process version
of @func{printf} is implemented this way), so they will all malfunction
until @code{write} is available.
All of our test programs write to the console (the user process version
of @func{printf} is implemented this way), so they will all malfunction
until @code{write} is available.
+
+@item
+For now, change @func{process_wait} to an infinite loop (one that waits
+forever). The provided implementation returns immediately, so Pintos
+will power off before any processes actually get to run. You will
+eventually need to provide a correct implementation.
@end itemize
After the above are implemented, user processes should work minimally.
@end itemize
After the above are implemented, user processes should work minimally.