Markus Armbruster
cea39829af
empth_sleep() return whether that happened: [EMPTH_LWP] (lwpWakeupSleep): New, factored out of lwpSelect(). [EMPTH_LWP] (lwpSelect): Use it. [EMPTH_LWP] (lwpWakeup): New. Call lwpWakeupFd() if sleeping in lwpSleepFd(), lwpWakeupSleep() if sleeping in lwpSleepUntil(). [EMPTH_LWP] (lwpTerminate, empth_wakeup): Use it rather than lwpWakeupFd(). [EMPTH_LWP] (lwpWakeupFd): Internal linkage. [EMPTH_LWP] (lwpSleepUntil): Reset member runtime, so that lwpWakeup() can test it reliably. Return how sleep woke up. [EMPTH_LWP] (empth_sleep): Return value of lwpSleepUntil(). [EMPTH_POSIX] (EMPTH_INTR): New. [EMPTH_POSIX] (empth_wakeup): Set state to it. [EMPTH_POSIX] (empth_restorectx): Clear state. [EMPTH_POSIX] (empth_sleep): Don't re-seleep when state is not clear, i.e. thread was woken up prematurely. Return how sleep woke up. [EMPTH_W32] (empth_sleep): Implement by waiting on hThreadEvent with a timeout rather than a straight Sleep(). Return how sleep woke up.
69 lines
2.1 KiB
C
69 lines
2.1 KiB
C
/*
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* lwp.h -- prototypes and structures for lightweight processes
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* Copyright (C) 1991-3 Stephen Crane.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* author: Stephen Crane, (jsc@doc.ic.ac.uk), Department of Computing,
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* Imperial College of Science, Technology and Medicine, 180 Queen's
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* Gate, London SW7 2BZ, England.
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*/
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#ifndef LWP_H
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#define LWP_H
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#include <signal.h>
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#include <sys/types.h>
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#define LWP_STACKCHECK 0x1
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#define LWP_PRINT 0x2
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struct lwpProc;
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struct lwpSem;
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struct lwp_rwlock;
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#define LWP_FD_READ 0x1
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#define LWP_FD_WRITE 0x2
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#define LWP_MAX_PRIO 8
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struct lwpProc *lwpInitSystem(int prio, void **ctxp, int flags, sigset_t *);
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struct lwpProc *lwpCreate(int prio, void (*)(void *), int size,
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int flags, char *name,
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int argc, char **argv, void *ud);
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void lwpExit(void);
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void lwpTerminate(struct lwpProc * p);
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void lwpYield(void);
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void lwpSleepFd(int fd, int flags);
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int lwpSleepUntil(time_t until);
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void lwpWakeup(struct lwpProc *);
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int lwpSigWait(sigset_t *set, int *sig);
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void *lwpGetUD(struct lwpProc * p);
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void lwpSetUD(struct lwpProc * p, char *ud);
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int lwpSetPriority(int prio);
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struct lwpSem *lwpCreateSem(char *name, int count);
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void lwpSignal(struct lwpSem *);
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void lwpWait(struct lwpSem *);
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struct lwp_rwlock *lwp_rwlock_create(char *);
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void lwp_rwlock_destroy(struct lwp_rwlock *);
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void lwp_rwlock_wrlock(struct lwp_rwlock *);
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void lwp_rwlock_rdlock(struct lwp_rwlock *);
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void lwp_rwlock_unlock(struct lwp_rwlock *);
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extern struct lwpProc *LwpCurrent;
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#endif
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