| #ifndef STP_H |
| #define STP_H |
| |
| /* |
| * QuickThreads -- Threads-building toolkit. |
| * Copyright (c) 1993 by David Keppel |
| * |
| * Permission to use, copy, modify and distribute this software and |
| * its documentation for any purpose and without fee is hereby |
| * granted, provided that the above copyright notice and this notice |
| * appear in all copies. This software is provided as a |
| * proof-of-concept and for demonstration purposes; there is no |
| * representation about the suitability of this software for any |
| * purpose. |
| */ |
| |
| typedef struct stp_t stp_t; |
| |
| /* Each thread starts by calling a user-supplied function of this |
| type. */ |
| |
| typedef void (stp_userf_t)(void *p0); |
| |
| /* Call this before any other primitives. */ |
| extern void stp_init(); |
| |
| /* When one or more threads are created by the main thread, |
| the system goes multithread when this is called. It is done |
| (no more runable threads) when this returns. */ |
| |
| extern void stp_start (void); |
| |
| /* Create a thread and make it runable. When the thread starts |
| running it will call `f' with arguments `p0' and `p1'. */ |
| |
| extern void stp_create (stp_userf_t *f, void *p0); |
| |
| /* The current thread stops running but stays runable. |
| It is an error to call `stp_yield' before `stp_start' |
| is called or after `stp_start' returns. */ |
| |
| extern void stp_yield (void); |
| |
| /* Like `stp_yield' but the thread is discarded. Any intermediate |
| state is lost. The thread can also terminate by simply |
| returning. */ |
| |
| extern void stp_abort (void); |
| |
| |
| #endif /* ndef STP_H */ |