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25 .TH SEM_UNLINK 3 2021-03-22 "Linux" "Linux Programmer's Manual"
27 sem_unlink \- remove a named semaphore
30 .B #include <semaphore.h>
32 .BI "int sem_unlink(const char *" name );
35 Link with \fI\-pthread\fP.
38 removes the named semaphore referred to by
40 The semaphore name is removed immediately.
41 The semaphore is destroyed once all other processes that have
42 the semaphore open close it.
46 returns 0; on error, \-1 is returned, with
48 set to indicate the error.
52 The caller does not have permission to unlink this semaphore.
59 There is no semaphore with the given
62 For an explanation of the terms used in this section, see
70 Interface Attribute Value
73 T} Thread safety MT-Safe
79 POSIX.1-2001, POSIX.1-2008.