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| -rw-r--r-- | api/src/glfs.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/api/src/glfs.h b/api/src/glfs.h index d9c1202cd4c..519a0403643 100644 --- a/api/src/glfs.h +++ b/api/src/glfs.h @@ -304,6 +304,29 @@ glfs_t *glfs_from_glfd (glfs_fd_t *fd); int glfs_set_xlator_option (glfs_t *fs, const char *xlator, const char *key, const char *value); +/* + + glfs_io_cbk + + The following is the function type definition of the callback + function pointer which has to be provided by the caller to the + *_async() versions of the IO calls. + + The callback function is called on completion of the requested + IO, and the appropriate return value is returned in @ret. + + In case of an error in completing the IO, @ret will be -1 and + @errno will be set with the appropriate error. + + @ret will be same as the return value of the non _async() variant + of the particular call + + @data is the same context pointer provided by the caller at the + time of issuing the async IO call. This can be used by the + caller to differentiate different instances of the async requests + in a common callback function. +*/ + typedef void (*glfs_io_cbk) (glfs_fd_t *fd, ssize_t ret, void *data); // glfs_{read,write}[_async] |