[PHP-DEV] adding extension to PHP

[Joe Wong]

Hello,

  I am going to write a PHP extension on top of some libraries that I have
developed over the past few years. The libraries are bunch of .so file and
some of them are C++. If I am going to compile my extension against 4.3 code
base, will it be ok to run this with other 4.x PHP install base? In
addition, I found out that for some reason the following does not work:

       ifile = open("/etc/myapp.conf", O_RDONLY, S_IREAD|S_IWRITE);
        if (ifile != -1) {
                if (flock(ifile, LOCK_EX) != 0) {
                        php_error(E_WARNING, "unable to flock file %d,err:
%d", ifile, errno);
                }
                else
                        flock(ifile, LOCK_UN);
                close(ifile);
        }

I put the above in one of the test function in my extension, flock always
failed with errno = 9 ( bad file descriptor ) but ifile is not -1.

Any idea?

TIA. Joe



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