da/dcb/share_8c_source.html

#include <errno.h>

#include <sys/io.h>


#include "user/common/syscalls.h"


uint64_t share(key_t* key, fd_t fd, clock_t timeout)

{

    if (_syscall_share(key, fd, timeout) == ERR)

    {

        errno = _syscall_errno();

        return ERR;

    }

    return 0;

}


errno.h

errno
#define errno
Error number variable.
Definition errno.h:27

share
uint64_t share(key_t *key, fd_t fd, clock_t timeout)
System call for sharing a file descriptor with another process.
Definition share.c:6

ERR
#define ERR
Integer error value.
Definition ERR.h:17

fd_t
__UINT64_TYPE__ fd_t
A file descriptor.
Definition fd_t.h:12

clock_t
__UINT64_TYPE__ clock_t
A nanosecond time.
Definition clock_t.h:13

io.h

syscalls.h

_syscall_share
static uint64_t _syscall_share(key_t *key, fd_t fd, clock_t timeout)
Definition syscalls.h:248

_syscall_errno
static errno_t _syscall_errno(void)
Definition syscalls.h:118

uint64_t
__UINT64_TYPE__ uint64_t
Definition stdint.h:17

key_t
Key type.
Definition io.h:503