I would need it in php 5.0 my self. It would come to comercial webserver so there is required _stable_ build which won't self build and patched version. Specialy because this was first time I ever looked php source code. (Happily using it about 5 years now)
Should I make some changes to documentation also? I didn't got time to check it out yet how to change documentation.
I checked that 5.0 and 5.1 branches got same source for this file so this patch could be applied for both of them. There was some minor changes from 4.3 branch.
I tested this with 5.0 cvs branch (checkout today). It worked well after
I got sem_acquire parameter parsing converted to new functions. I got little confused with that I must read everything to zval and then convert it to what I want.
This patch is adds IPC_CREAT, IPC_EXCL and IPC_NOWAIT functionality to sem_get and sem_acquire. The code changes add some constants and handles those constants as parameters. There is possible issue that sem_get could get unwanted parameters because values aren't checked before they are passed to 'real' sem_get but that was functionality of old implementation so I didn't want to change it.
Here is also changed sem_acquire to use new parameter parsing function.
I included 2 php test cases that I demo straits functionality of new implemantion. test.php is not mean to output anything special. test_nowait.php. Shows what happens if semaphore is tried to access same time by 2 scripts. Execute test_nowait in 2 shells same time. The first one to terminate should tell you that 2nd acquire was busy. 2nd should tell that 2nd acquire was also successful.
http://cmax.gg/~coren/bug26610.patch
http://cmax.gg/~coren/test.phps http://cmax.gg/~coren/test_nowait.phps
That's it. Thanks for comments and help how to improve this patch. Also big thanks for reading to end. ;)
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