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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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1 changed files with 32 additions and 10 deletions
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src/userprog/syscall.c
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@@ -116,10 +116,15 @@ syscall_exit (int status)
} }
static pid_t static pid_t
syscall_exec (const char *cmd_line UNUSED) syscall_exec (const char *cmd_line)
{ {
//TODO validate_user_pointer (cmd_line, 1);
return 0;
lock_acquire (&filesys_lock);
pid_t pid = process_execute(cmd_line);
lock_release (&filesys_lock);
return pid;
} }
static int static int