_POSIX_SHARED_MEMORY_OBJECTS

POSIX Shared Memory Objects option. More...

Functions
int	shm_open (const char *name, int oflag, mode_t mode)
	Open or create a shared memory object.
int	shm_unlink (const char *name)
	Remove a shared memory object.

Detailed Description

POSIX Shared Memory Objects option.

Function Documentation

shm_open()

int shm_open	(	const char *	name,
		int	oflag,
		mode_t	mode
	)

Open or create a shared memory object.

Parameters

name	Shared memory name (must start with '/').
oflag	Open flags (O_RDONLY, O_RDWR, O_CREAT, O_EXCL, O_TRUNC).
mode	Permission bits applied if the object is created.

Returns

File descriptor for the shared memory object, or -1 on failure.

See also

https://pubs.opengroup.org/onlinepubs/9699919799/functions/shm_open.html

shm_unlink()

int shm_unlink

(

const char *

name

)

Remove a shared memory object.

Parameters

name	Shared memory name.

Returns

0 on success, or -1 with errno set on failure.

See also

https://pubs.opengroup.org/onlinepubs/9699919799/functions/shm_unlink.html