6e623e9320
Bump GPLv2+ to GPLv3+ for some files, clarify BSD 2-clause. Everything else stays under GPLv3+. New Linking Exception exempts resulting executables from LGPLv3 section 4. Add CONTRIBUTORS file to keep track of licensing. Remove 'Copyright Red Hat Inc' comments. Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
44 lines
998 B
C
44 lines
998 B
C
/* semaphore.h: POSIX semaphore interface
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Written by Robert Collins <rbtcollins@hotmail.com>
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#include <sys/types.h>
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#ifndef _SEMAPHORE_H
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#define _SEMAPHORE_H
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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#ifndef __INSIDE_CYGWIN__
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typedef struct __sem_t {char __dummy;} *sem_t;
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#endif
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#define SEM_FAILED ((sem_t *) 0)
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/* Semaphores */
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int sem_init (sem_t *sem, int pshared, unsigned int value);
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int sem_destroy (sem_t *sem);
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sem_t *sem_open (const char *name, int oflag, ...);
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int sem_close (sem_t *sem);
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int sem_unlink (const char *name);
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int sem_wait (sem_t *sem);
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int sem_trywait (sem_t *sem);
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int sem_timedwait (sem_t *sem, const struct timespec *abstime);
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int sem_post (sem_t *sem);
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int sem_getvalue (sem_t *sem, int *sval);
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SEMAPHORE_H */
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