GEMDOS
Memory management
System functions
| • Fflush | Flush file |
| • Flock | Lock file from current position |
| • Frlock | Lock a file record |
| • Frunlock | Unlock a file record |
| • Funlock | Unlock file |
| • Nversion | Network identifier determine |
| Name: | »Fflush« - Flush the buffer of a file
|
| Opcode: | 102 (0x0066)
|
| Syntax: | int32_t Fflush ( int16_t handle );
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| Description: | The GEMDOS routine Fflush writes all modified data of the
specified file handle from its buffer to the disk.
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| Return value: | Returns E_OK on success, or a negative GEMDOS error code
otherwise.
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| Availability: | Available when a network driver is installed.
|
| Group: | Network functions
|
| See also: | Binding
|
| C: | int32_t Fflush ( int16_t handle );
|
| Assembler: |
move.w handle,-(sp) ; Offset 2 move.w #102,-(sp) ; Offset 0 trap #1 ; GEMDOS addq.l #4,sp ; correct stack |
| Name: | »Flock« - Protect a portion of a file
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| Opcode: | 100 (0x0064)
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| Syntax: | int32_t Flock ( int16_t handle, int32_t length );
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| Description: | The GEMDOS routine Flock serves to protect a portion of a file
(from the current position) from access by other processes across a
network. The following apply:
Note: Please do not confuse this function ($64) with Flock ($5C) from the specification for GEMDOS File Sharing & Record Locking. | ||||||||
| Return value: | Returns E_OK on success, or a negative GEMDOS error code
otherwise.
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| Availability: | Available when a network driver is installed.
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| Group: | Network functions
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| See also: | Binding Funlock
|
| C: | int32_t Flock ( int16_t handle, int32_t length );
|
| Assembler: |
move.l length,-(sp) ; Offset 4 move.w handle,-(sp) ; Offset 2 move.w #100,-(sp) ; Offset 0 trap #1 ; GEMDOS addq.l #8,sp ; correct stack |
| Name: | »Frlock« - Protect a portion of a file
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| Opcode: | 98 (0x0062)
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| Syntax: | int32_t Frlock ( int16_t handle, int32_t start, int32_t length
);
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| Description: | The GEMDOS routine Frlock serves to protect a portion of a file
from access by other processes across a network. The following apply:
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| Return value: | Returns E_OK on success, or a negative GEMDOS error code
otherwise.
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| Availability: | Available when a network driver is installed.
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| Group: | Network functions
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| See also: | Binding Frunlock Nversion
|
| C: | int32_t Frlock ( int16_t handle, int32_t start, int32_t length
);
|
| Assembler: |
move.l length,-(sp) ; Offset 8 move.l start,-(sp) ; Offset 4 move.w handle,-(sp) ; Offset 2 move.w #98,-(sp) ; Offset 0 trap #1 ; GEMDOS lea 12(sp),sp ; correct stack |
| Name: | »Frunlock« - Unlock a portion of a file
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| Opcode: | 99 (0x0063)
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| Syntax: | int32_t Frunlock ( int16_t handle, int32_t start );
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| Description: | The GEMDOS routine Frunlock serves to unlock the locked portion
of a file. The following apply:
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| Return value: | Returns E_OK on success, or a negative GEMDOS error code
otherwise.
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| Availability: | Available when a network driver is installed.
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| Group: | Network functions
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| See also: | Binding Frlock Nversion
|
| C: | int32_t Frunlock ( int16_t handle, int32_t start );
|
| Assembler: |
move.l start,-(sp) ; Offset 4 move.w handle,-(sp) ; Offset 2 move.w #99,-(sp) ; Offset 0 trap #1 ; GEMDOS addq.l #8,sp ; correct stack |
| Name: | »Funlock« - Unlock a portion of a file
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| Opcode: | 101 (0x0065)
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| Syntax: | int32_t Funlock ( int16_t handle );
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| Description: | The GEMDOS routine Funlock serves to unlock the portion of a
file previously locked by Flock. The following apply:
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| Return value: | Returns E_OK on success, or a negative GEMDOS error code
otherwise.
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| Availability: | Available when a network driver is installed.
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| Group: | Network functions
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| See also: | Binding Flock
|
| C: | int32_t Funlock ( int16_t handle );
|
| Assembler: |
move.w handle,-(sp) ; Offset 2 move.w #101,-(sp) ; Offset 0 trap #1 ; GEMDOS addq.l #4,sp ; correct stack |
| Name: | »Nversion« - Network identifier determine
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| Opcode: | 96
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| Syntax: | int32_t Nversion( void );
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| Description: | Returns the identifier of the connected network
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| Return value: |
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| Availability: |
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| Group: | Network functions
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| See also: | Binding
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| C: | int32_t Nversion( void );
|
| Assembler: |
move.w #96,-(sp) ; Offset 0 trap #1 ; GEMDOS addq.l #2,sp ; correct stack |
GEMDOS
Memory management
System functions