Name | Synopsis | Description | Return Values | Examples | Attributes | See Also
cc [ flag … ] file… -llgrp [ library … ] #include <sys/lgrp_user.h> int lgrp_version(const int version);
The lgrp_version() function takes an interface version number, version, as an argument and returns an lgroup interface version. The version argument should be the value of LGRP_VER_CURRENT bound to the application when it was compiled or LGRP_VER_NONE to find out the current lgroup interface version on the running system.
If version is still supported by the implementation, then lgrp_version() returns the requested version. If LGRP_VER_NONE is returned, the implementation cannot support the requested version. The application should be recompiled and might require further changes.
If version is LGRP_VER_NONE, lgrp_version() returns the current version of the library.
The following example tests whether the version of the interface used by the caller is supported:
#include <sys/lgrp_user.h> if (lgrp_version(LGRP_VER_CURRENT) != LGRP_VER_CURRENT) { fprintf(stderr, "Built with unsupported lgroup interface %d\n", LGRP_VER_CURRENT); exit (1); }
See attributes(5) for descriptions of the following attributes:
ATTRIBUTE TYPE |
ATTRIBUTE VALUE |
---|---|
Interface Stability |
Evolving |
MT-Level |
MT-Safe |
Name | Synopsis | Description | Return Values | Examples | Attributes | See Also