Update of /cvsroot/fink/fink
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv1845
Modified Files:
lockwait.in
Log Message:
Document fcntl flock struct
Index: lockwait.in
===================================================================
RCS file: /cvsroot/fink/fink/lockwait.in,v
retrieving revision 1.4
retrieving revision 1.5
diff -u -d -r1.4 -r1.5
--- lockwait.in 30 Aug 2005 20:02:35 -0000 1.4
+++ lockwait.in 18 Oct 2005 23:09:15 -0000 1.5
@@ -21,6 +21,14 @@
print STDERR "Locking it\n" if $debug;
### Note this pack() is specific to OS X and Darwin!!!
+ # fcntl.h declares:
+ # struct flock {
+ # off_t l_start; /* starting offset */
+ # off_t l_len; /* len = 0 means until end of file */
+ # pid_t l_pid; /* lock owner */
+ # short l_type; /* lock type: read/write, etc. */
+ # short l_whence; /* type of l_start */
+ # };
my $struct_flock = pack("lllliss", (0, 0), (0, 0), 0, F_WRLCK,
SEEK_SET);
unless (fcntl(LOCK, F_SETLK, $struct_flock)) {
die "lockwait: Can't get lock: $!" unless $! == EAGAIN || $! ==
EACCES;
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