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Implement complete stack initialization, process_wait, and all system calls correctly except exec #34

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td1223 merged 46 commits from userprog-merge into master 2024-11-11 22:56:29 +00:00
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4 changed files with 169 additions and 120 deletions
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src/userprog/process.c
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@@ -49,8 +49,8 @@ struct process_start_data
static thread_func start_process NO_RETURN; static thread_func start_process NO_RETURN;
static bool load (const char *cmdline, void (**eip) (void), void **esp); static bool load (const char *cmdline, void (**eip) (void), void **esp);
/* Starts a new thread running a user program loaded from /* Starts a new thread running a user program executed via
FILENAME. The new thread may be scheduled (and may even exit) CMD. The new thread may be scheduled (and may even exit)
before process_execute() returns. Returns the new process's before process_execute() returns. Returns the new process's
thread id, or TID_ERROR if the thread cannot be created. */ thread id, or TID_ERROR if the thread cannot be created. */
tid_t tid_t