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Kernel+LibC: Implement FIONREAD ioctl

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FIONREAD gets the number of bytes availible to read from a file
descriptor without blocking. I only implemented it for regular files and
sockets
This commit is contained in:
Peter Elliott 2021-07-26 23:06:22 -06:00 • committed by Andreas Kling
parent db92e66902
commit 39a77559f1
7 changed files with 38 additions and 4 deletions
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2
Userland/Libraries/LibC/sys/ioctl_numbers.h
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@ -83,6 +83,7 @@ enum IOCtlNumber {
SIOCDARP,
FIBMAP,
FIONBIO,
FIONREAD,
KCOV_SETBUFSIZE,
KCOV_ENABLE,
KCOV_DISABLE,
@ -126,3 +127,4 @@ enum IOCtlNumber {
#define SIOCDARP SIOCDARP
#define FIBMAP FIBMAP
#define FIONBIO FIONBIO
#define FIONREAD FIONREAD