rwmtx_trywrlock(3) | Library Functions Manual | rwmtx_trywrlock(3) |
NAME
rwmtx_trywrlock
—
attempt to acquire a write lock
SYNOPSIS
library “threads”
#include <threadse.h>
int
rwmtx_trywrlock
(rwmtx_t
*rw);
DESCRIPTION
The function
rwmtx_trywrlock
()
will attempt to acquire a write lock on the given read/write lock
rw. If a write lock cannot be acquired the function
will return a respective return code.
RETURN VALUES
Upon success rwmtx_trywrlock
() will return
thrd_success if a write lock has been acquired. If no
write lock can be acquired at this time thrd_busy will
be returned. In case of error thrd_error will be
returned.
SEE ALSO
rwmtx_init(3) rwmtx_destroy(3) rwmtx_rdlock(3) rwmtx_wrlock(3) rwmtx_tryrdlock(3) rwmtx_timedrdlock(3) rwmtx_timedwrlock(3) rwmtx_unlock(3)
HISTORY
The rwmtx_trywrlock
() function first
appeared in the Adelsbach Enhanced Threading Library.
AUTHORS
Jan Adelsbach <jan@jadelsbach.de>
May 9, 2020 | Debian |