sem_open man page on MirBSD
[printable version]
SEM_OPEN(3) BSD Programmer's Manual SEM_OPEN(3)
NAME
sem_open, sem_close, sem_unlink - named semaphore operations
SYNOPSIS
#include <semaphore.h>
sem_t *
sem_open(const char *name, int oflag, ...);
int
sem_close(sem_t *sem);
int
sem_unlink(const char *name);
DESCRIPTION
The sem_open(), sem_close(), and sem_unlink() functions are not supported
by this implementation.
RETURN VALUES
sem_open() returns SEM_FAILED and sets errno to indicate an error.
sem_close() and sem_unlink() return -1 and set errno to indicate an er-
ror.
ERRORS
sem_open(), sem_close(), and sem_unlink() will fail:
[ENOSYS] Function not supported by this implementation.
SEE ALSO
sem_destroy(3), sem_getvalue(3), sem_init(3), sem_post(3), sem_wait(3)
STANDARDS
sem_open(), sem_close(), and sem_unlink() conform to ISO/IEC 9945-1:1996
("POSIX").
MirOS BSD #10-current February 15, 2000 1
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