The @weintek/libc/unistd module provides access to the POSIX operating
system API.
- The modules under
@weintek/libc(e.g.,errno,stdio,string,unistd) are heavily influenced by the design of C standard library.
Methods
(static) fsync(fd) → {Number}
- Since:
- EasyBuilder Pro V6.09.01
- See:
This method flushes all modified in-core data of the file referred to by
the file descriptor fd to the disk device so that all changed information
can be retrieved even if the system is rebooted. This includes writing
through or flushing a disk cache if present. The call blocks until the
device reports that the transfer has completed.
Parameters:
| Name | Type | Description |
|---|---|---|
fd |
Number | The file descriptor referring to the file to be flushed. |
Returns:
Returns zero on success. Returns -1 on error, and getErrno can be used to identify the error.
- Type
- Number
(static) unlink(disk, filename) → {Number}
- Since:
- EasyBuilder Pro V6.09.01
- See:
This method deletes a name from the filesystem. If that name was the last link to a file and no processes have the file open, the file is deleted and the space it was using is made available for reuse.
Parameters:
| Name | Type | Description |
|---|---|---|
disk |
String | A string specifies the target disk. Acceptable values are |
filename |
String | A string specifies the file path. |
Returns:
Returns zero on success. Returns -1 on error, and getErrno can be used to identify the error.
- Type
- Number