ad_lock.h File Reference

#include <atalk/adouble.h>

Go to the source code of this file.

Macros
#define	adf_lock_init(a)
#define	adf_lock_free(a)

Macro Definition Documentation

adf_lock_free

#define adf_lock_free

(

a

)

Value:

    do {                                 \
    int i;                                                \
    if (!(a)->adf_lock)                                   \
        break;                                            \
    for (i = 0; i < (a)->adf_lockcount; i++) {            \
        adf_lock_t *lock = (a)->adf_lock + i;             \
        /* Always release fcntl lock when freeing array */ \
        if ((a)->adf_fd >= 0) {                           \
            lock->lock.l_type = F_UNLCK;                  \
            if (fcntl((a)->adf_fd, F_SETLK, &lock->lock) == -1) { \
                LOG(log_warning, logtype_default,         \
                    "adf_lock_free: fcntl unlock failed on fd %d: %s", \
                    (a)->adf_fd, strerror(errno));        \
            }                                             \
        }                                                 \
        /* Only free refcount memory when last reference */ \
        if (--(*lock->refcount) < 1) {                    \
            free(lock->refcount);                         \
        }                                                 \
    }                                                     \
    free((a)->adf_lock);                                  \
    adf_lock_init(a);                                     \
} while (0)

adf_lock_init

#define adf_lock_init

(

a

)

Value:

    do {   \
    (a)->adf_lockmax = 0;   \
    (a)->adf_lockcount = 0; \
    (a)->adf_lock = NULL;   \
} while (0)