FS_FINDNOTIFYFIRST
Appearance
Start monitoring a directory for changes.
Syntax
FS_FINDNOTIFYFIRST(pcdfsi, pcdfsd, pName, iCurDirEnd, attr, pHandle, pData, cbData, pcMatch, level, timeout)
Parameters
- pcdfsi
- is a pointer to the file-system-independent working directory structure.
- pcdfsd
- is a pointer to the file-system-dependent working directory structure.
- pName
- is a pointer to the ASCIIZ name of the file or directory.
- Wildcard characters are allowed only in the last component. The FSD does not need to verify this pointer.
- iCurDirEnd
- is the index of the end of the current directory in pName.
- This is used to optimize FSD path processing. If iCurDirEnd == -1 there is no current directory relevant to the name text, that is, a device.
- attr
- is the bit field that governs the match.
- Any directory entry whose attribute bit mask is a subset of attr and whose name matches that in pName should be returned. See FS_FINDFIRST for an explanation.
- pHandle
- is a pointer to the handle for the find-notify request.
- The FSD allocates a handle for the find-notify request, that is, a handle to the directory monitoring continuation information, and stores it here. This handle is passed to FS_FINDNOTIFYNEXT to continue directory monitoring.
- The FSD does not need to verify this pointer.
- pData
- is the address of the application data area.
- Addressing of this data area is not validated by the kernel (see FSH_PROBEBUF). The FSD fills in this area with a set of packed, variable-length structures that contain the requested data and matching file names.
- cbData
- is the length of the application data area in bytes.
- pcMatch
- is a pointer to the number of matching entries.
- The FSD returns, at most, this number of entries. The FSD returns in this parameter the number of entries actually placed in the data area.
- The FSD does not need to verify this pointer.
- level
- is the information level to be returned.
- Level selects among a series of data structures to be returned. See the description of DosFindNotifyFirst in the OS/2 Version 2.0 Control Program Programming Reference for more information.
- The level passed to the FSD is valid.
- timeout
- is the time-out in milliseconds.
- The FSD waits until either the time-out has expired, the buffer is full, or the specified number of entries has been returned before returning to the caller.
Calling Sequence
int far pascal FS_FINDNOTIFYFIRST(pcdfsi, pcdfsd, pName, iCurDirEnd, attr, pHandle, pData, cbData, pcMatch, level, timeout) struct cdfsi far * pcdfsi; struct cdfsd far * pcdfsd; char far * pName; unsigned short iCurDirEnd; unsigned short attr; unsigned short far * pHandle; char far * pData; unsigned short cbData; unsigned short far * pMatch; unsigned short level; unsigned long timeout;