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#ifndef _THREAD_H_included
#define _THREAD_H_included
#define NO_EXIT_PROG /* don't define exit_prog() */
/* (the result is no use of signals on SGI) */
#ifndef PROTO
#if defined(__STDC__) || defined(__cplusplus)
#define PROTO(args) args
#else
#define PROTO(args) ()
#endif
#endif
typedef void *type_lock;
typedef void *type_sema;
#ifdef __cplusplus
extern "C" {
#endif
void init_thread PROTO((void));
int start_new_thread PROTO((void (*)(void *), void *));
void exit_thread PROTO((void));
void _exit_thread PROTO((void));
long get_thread_ident PROTO((void));
type_lock allocate_lock PROTO((void));
void free_lock PROTO((type_lock));
int acquire_lock PROTO((type_lock, int));
#define WAIT_LOCK 1
#define NOWAIT_LOCK 0
void release_lock PROTO((type_lock));
type_sema allocate_sema PROTO((int));
void free_sema PROTO((type_sema));
void down_sema PROTO((type_sema));
void up_sema PROTO((type_sema));
#ifndef NO_EXIT_PROG
void exit_prog PROTO((int));
void _exit_prog PROTO((int));
#endif
#ifdef __cplusplus
}
#endif
#endif
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