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#include <fs/types.h>
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#include <fs/stat.h>
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#include <fs/task.h>
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#include "file.h"
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#include "fs.h"
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__mode_t k_umask(__mode_t newmask)
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{
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  __mode_t oldmask;
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  __pid_t pid;
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  call_to_fs();
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  pid=__get_pid();  
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  lock_desctable(pid);
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  oldmask=*umask_ptr(pid);
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  *umask_ptr(pid)=newmask&__ACCESSPERMS;
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  unlock_desctable(pid);
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  return_from_fs(oldmask);
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}