diff options
Diffstat (limited to 'gnu/lib/libiberty/src/fdmatch.c')
| -rw-r--r-- | gnu/lib/libiberty/src/fdmatch.c | 32 |
1 files changed, 13 insertions, 19 deletions
diff --git a/gnu/lib/libiberty/src/fdmatch.c b/gnu/lib/libiberty/src/fdmatch.c index 7af039f5a2b..979c214d5d4 100644 --- a/gnu/lib/libiberty/src/fdmatch.c +++ b/gnu/lib/libiberty/src/fdmatch.c @@ -20,25 +20,19 @@ Boston, MA 02111-1307, USA. */ /* -NAME - - fdmatch -- see if two file descriptors refer to same file - -SYNOPSIS - - int fdmatch (int fd1, int fd2) - -DESCRIPTION - - Check to see if two open file descriptors refer to the same file. - This is useful, for example, when we have an open file descriptor - for an unnamed file, and the name of a file that we believe to - correspond to that fd. This can happen when we are exec'd with - an already open file (stdout for example) or from the SVR4 /proc - calls that return open file descriptors for mapped address spaces. - All we have to do is open the file by name and check the two file - descriptors for a match, which is done by comparing major&minor - device numbers and inode numbers. +@deftypefn Extension int fdmatch (int @var{fd1}, int @var{fd2}) + +Check to see if two open file descriptors refer to the same file. +This is useful, for example, when we have an open file descriptor for +an unnamed file, and the name of a file that we believe to correspond +to that fd. This can happen when we are exec'd with an already open +file (@code{stdout} for example) or from the SVR4 @file{/proc} calls +that return open file descriptors for mapped address spaces. All we +have to do is open the file by name and check the two file descriptors +for a match, which is done by comparing major and minor device numbers +and inode numbers. + +@end deftypefn BUGS |