VLC  4.0.0-dev
Macros | Functions
rootbind.c File Reference
Include dependency graph for rootbind.c:

Macros

#define _XPG4_2   /* ancillary data on Solaris */
 
#define ENABLE_ROOTWRAP   1
 
#define CMSG_ALIGN(len)   (((len) + sizeof(intptr_t)-1) & ~(sizeof(intptr_t)-1))
 
#define CMSG_SPACE(len)   (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len))
 
#define CMSG_LEN(len)   (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))
 
#define MSG_NOSIGNAL   0
 

Functions

int rootwrap_bind (int family, int socktype, int protocol, const struct sockaddr *addr, size_t alen)
 Tries to obtain a bound TCP socket from the root process. More...
 
static int recv_fd (int p)
 Receive a file descriptor from another process. More...
 

Macro Definition Documentation

◆ _XPG4_2

#define _XPG4_2   /* ancillary data on Solaris */

◆ CMSG_ALIGN

#define CMSG_ALIGN (   len)    (((len) + sizeof(intptr_t)-1) & ~(sizeof(intptr_t)-1))

◆ CMSG_LEN

#define CMSG_LEN (   len)    (CMSG_ALIGN(sizeof(struct cmsghdr)) + (len))

◆ CMSG_SPACE

#define CMSG_SPACE (   len)    (CMSG_ALIGN(sizeof(struct cmsghdr)) + CMSG_ALIGN(len))

◆ ENABLE_ROOTWRAP

#define ENABLE_ROOTWRAP   1

◆ MSG_NOSIGNAL

#define MSG_NOSIGNAL   0

Function Documentation

◆ recv_fd()

static int recv_fd ( int  p)
static

Receive a file descriptor from another process.

References CMSG_LEN, CMSG_SPACE, p, and recvmsg().

Referenced by rootwrap_bind().

◆ rootwrap_bind()

int rootwrap_bind ( int  family,
int  socktype,
int  protocol,
const struct sockaddr *  addr,
size_t  alen 
)

Tries to obtain a bound TCP socket from the root process.

References getenv(), MSG_NOSIGNAL, and recv_fd().

Referenced by net_Listen().