cmsg.h File Reference

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Classes
struct	cmsghdr
struct	iovec
struct	msghdr
struct	sockaddr_un

Macros
#define	SQUID_CMSG_DATA(cmsg)   ((cmsg)->cmsg_data)
#define	CMSG_NXTHDR(mhdr, X)   __cmsg_nxthdr (mhdr, X)
#define	CMSG_FIRSTHDR(mhdr)
#define	CMSG_ALIGN(len)
#define	CMSG_SPACE(len)
#define	HAVE_CONSTANT_CMSG_SPACE   1
#define	CMSG_LEN(len)   (CMSG_ALIGN (sizeof (struct cmsghdr)) + (len))
#define	SUN_LEN(ptr)
#define	SCM_RIGHTS   1
#define	SCM_CREDENTIALS   2
#define	SCM_SECURITY   3
#define	AF_LOCAL   1
#define	SQUID_CMSG_SPACE(len)   (sizeof(struct cmsghdr) + (len) + 16)

Macro Definition Documentation

AF_LOCAL

#define AF_LOCAL   1

Definition at line 128 of file cmsg.h.

CMSG_ALIGN

#define CMSG_ALIGN

(

len

)

Value:

             (((len) + sizeof (size_t) - 1) \
             & ~(sizeof (size_t) - 1))

Definition at line 65 of file cmsg.h.

CMSG_FIRSTHDR

#define CMSG_FIRSTHDR

(

mhdr

)

Value:

  ((size_t) (mhdr)->msg_controllen >= sizeof (struct cmsghdr)        \
   ? (struct cmsghdr *) (mhdr)->msg_control : (struct cmsghdr *) nullptr)

Definition at line 59 of file cmsg.h.

CMSG_LEN

#define CMSG_LEN

(

len

)

(CMSG_ALIGN (sizeof (struct cmsghdr)) + (len))

Definition at line 77 of file cmsg.h.

CMSG_NXTHDR

#define CMSG_NXTHDR	(		mhdr,
			X
	)		__cmsg_nxthdr (mhdr, X)

Definition at line 55 of file cmsg.h.

CMSG_SPACE

#define CMSG_SPACE

(

len

)

Value:

             (CMSG_ALIGN (len) \
             + CMSG_ALIGN (sizeof (struct cmsghdr)))

Definition at line 70 of file cmsg.h.

HAVE_CONSTANT_CMSG_SPACE

#define HAVE_CONSTANT_CMSG_SPACE   1

Definition at line 73 of file cmsg.h.

SCM_CREDENTIALS

#define SCM_CREDENTIALS   2

Definition at line 121 of file cmsg.h.

SCM_RIGHTS

#define SCM_RIGHTS   1

Definition at line 118 of file cmsg.h.

SCM_SECURITY

#define SCM_SECURITY   3

Definition at line 124 of file cmsg.h.

SQUID_CMSG_DATA

#define SQUID_CMSG_DATA

(

cmsg

)

((cmsg)->cmsg_data)

Definition at line 51 of file cmsg.h.

SQUID_CMSG_SPACE

#define SQUID_CMSG_SPACE

(

len

)

(sizeof(struct cmsghdr) + (len) + 16)

Definition at line 139 of file cmsg.h.

SUN_LEN

#define SUN_LEN

(

ptr

)

Value:

        ((size_t) (((struct sockaddr_un *) 0)->sun_path)        \
        + strlen ((ptr)->sun_path))

Definition at line 113 of file cmsg.h.