table of contents
other versions
- wheezy 3.2.78-1
| RELAY_OPEN(9) | relay interface support | RELAY_OPEN(9) |
NAME¶
relay_open - create a new relay channelSYNOPSIS¶
struct
rchan * relay_open(const char * base_filename,
struct dentry * parent,
size_t subbuf_size, size_t n_subbufs,
struct rchan_callbacks * cb,
void * private_data);
ARGUMENTS¶
base_filenamebase name of files to create, NULL for
buffering only
parent
dentry of parent directory, NULL for
root directory or buffer
subbuf_size
size of sub-buffers
n_subbufs
number of sub-buffers
cb
client callback functions
private_data
user-defined data
DESCRIPTION¶
Returns channel pointer if successful, NULL otherwise. Creates a channel buffer for each cpu using the sizes and attributes specified. The created channel buffer files will be named base_filename0...base_filenameN-1. File permissions will be S_IRUSR.COPYRIGHT¶
| March 2016 | Kernel Hackers Manual 3.2. |