go to
> kldfind(2)
> kldfirstmod(2)
> kldload(2)
> kldnext(2)
> kldsym(2)
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kldstat

man page of kldstat

kldstat: get status of kld file

NAME

kldstat - get status of kld file

LIBRARY

Standard C Library (libc, -lc)

SYNOPSIS

#include <sys/param.h> #include <sys/linker.h> int kldstat(int fileid, struct kld_file_stat *stat);

DESCRIPTION

The kldstat() system call writes the info for the file referred to by fileid into stat. struct kld_file_stat { int version; /* set to sizeof(linker_file_stat) */ char name[MAXPATHLEN]; int refs; int id; caddr_t address; /* load address */ size_t size; /* size in bytes */ char pathname[MAXPATHLEN]; }; version This field is set to the size of the structure mentioned above by the code calling kldstat(), and not kldstat() itself. name The name of the file referred to by fileid. refs The number of modules referenced by fileid. id The id of the file specified in fileid. address The load address of the kld file. size The size of the file. pathname The full name of the file referred to by fileid, including the path.
RETURN VALUES
The kldstat() function returns the value 0 if successful; otherwise the value -1 is returned and the global variable errno is set to indicate the error.
ERRORS
The information for the file referred to by fileid is filled into the structure pointed to by stat unless: [ENOENT] The file was not found (probably not loaded). [EINVAL] The version specified in the version field of stat is not the proper version. You would need to rebuild world, the kernel, or your application, if this error occurs, given that you did properly fill in the version field. [EFAULT] There was a problem copying one, some, or all of the fields into stat in the copyout(9) function.

SEE ALSO

kldfind(2), kldfirstmod(2), kldload(2), kldnext(2), kldsym(2), kldunload(2), modfind(2), modfnext(2), modnext(2), modstat(2), kld(4), kldstat(8)

HISTORY

The kld interface first appeared in FreeBSD 3.0.

BUGS

The pathname many not be accurate if the file system mounts have changed since the module was loaded, or if this function is called within a chrooted environment. KLDSTAT(2)
 
 
 

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