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| author | Ilia Alshanetsky <iliaa@php.net> | 2003-03-04 21:46:33 +0000 |
|---|---|---|
| committer | Ilia Alshanetsky <iliaa@php.net> | 2003-03-04 21:46:33 +0000 |
| commit | 6efd9ea5c4f5d1d849bc5885050b87d0bf2cff10 (patch) | |
| tree | 06820e0199a1441e6808244f75d0e0e73a5d25a3 /README.STREAMS | |
| parent | cf7101d354d37a9a9cd905e39d451281048357bd (diff) | |
| download | php-git-6efd9ea5c4f5d1d849bc5885050b87d0bf2cff10.tar.gz | |
Added notes about locking functions.
Diffstat (limited to 'README.STREAMS')
| -rw-r--r-- | README.STREAMS | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/README.STREAMS b/README.STREAMS index 16108cc822..f625406a3b 100644 --- a/README.STREAMS +++ b/README.STREAMS @@ -37,9 +37,10 @@ PHPAPI int php_stream_close(php_stream * stream); PHPAPI int php_stream_flush(php_stream * stream); PHPAPI int php_stream_seek(php_stream * stream, off_t offset, int whence); PHPAPI off_t php_stream_tell(php_stream * stream); +PHPAPI int php_stream_lock(php_stream * stream, int mode); These (should) behave in the same way as the ANSI stdio functions with similar -names: fread, fwrite, fprintf, feof, fgetc, fgets, fclose, fflush, fseek, ftell. +names: fread, fwrite, fprintf, feof, fgetc, fgets, fclose, fflush, fseek, ftell, flock. Opening Streams =============== @@ -157,6 +158,11 @@ can lead to a crash when the resource is later used/released. NOTE: If you are opening a stream and need it to be seekable, use the STREAM_MUST_SEEK option to php_stream_open_wrapper(); +PHPAPI int php_stream_supports_lock(php_stream * stream); + +This function will return either 1 (success) or 0 (failure) indicating whether or +not a lock can be set on this stream. Typically you can only set locks on stdio streams. + Casting Streams =============== What if your extension needs to access the FILE* of a user level file pointer? |