| #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 */ |