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Add support for ioctl.

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"ioctl (an abbreviation of input/output control) is a system call for device-specific input/output operations and other operations which cannot be expressed by regular system calls."
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xyz
2016-01-17 13:56:41 -05:00
parent cc2decbbbc
commit aad55ae772
1 changed files with 5 additions and 0 deletions
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5
lib/system.nim
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@@ -2694,6 +2694,11 @@ when not defined(JS): #and not defined(nimscript):
proc endOfFile*(f: File): bool {.tags: [], benign.} proc endOfFile*(f: File): bool {.tags: [], benign.}
## Returns true iff `f` is at the end. ## Returns true iff `f` is at the end.
proc ioctl*(f: FileHandle, device: uint): int {.importc: "ioctl",
header: "<sys/ioctl.h>", varargs, tags: [WriteIOEffect].}
## A system call for device-specific input/output operations and other
## operations which cannot be expressed by regular system calls
proc readChar*(f: File): char {. proc readChar*(f: File): char {.
importc: "fgetc", header: "<stdio.h>", tags: [ReadIOEffect].} importc: "fgetc", header: "<stdio.h>", tags: [ReadIOEffect].}
## Reads a single character from the stream `f`. ## Reads a single character from the stream `f`.