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Kernel: Add sysconf for IOV_MAX

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Andrew Kaster 2022-06-14 18:20:42 -06:00 committed by Andreas Kling
parent 1d3b5d330d
commit 455038d6fc
Notes: sideshowbarker 2024-07-17 10:04:56 +09:00 
Author: https://github.com/ADKaster
Commit: https://github.com/SerenityOS/serenity/commit/455038d6fc
Pull-request: https://github.com/SerenityOS/serenity/pull/14283
Reviewed-by: https://github.com/linusg
Reviewed-by: https://github.com/timschumi
2 changed files with 4 additions and 0 deletions
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2
Kernel/API/POSIX/unistd.h
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@ -42,6 +42,7 @@ enum {
_SC_SYMLOOP_MAX,
_SC_MAPPED_FILES,
_SC_ARG_MAX,
_SC_IOV_MAX,
};
#define _SC_MONOTONIC_CLOCK _SC_MONOTONIC_CLOCK
@ -56,6 +57,7 @@ enum {
#define _SC_SYMLOOP_MAX _SC_SYMLOOP_MAX
#define _SC_MAPPED_FILES _SC_MAPPED_FILES
#define _SC_ARG_MAX _SC_ARG_MAX
#define _SC_IOV_MAX _SC_IOV_MAX
#ifdef __cplusplus
}

2
Kernel/Syscalls/sysconf.cpp
View file

@ -35,6 +35,8 @@ ErrorOr<FlatPtr> Process::sys$sysconf(int name)
return Kernel::VirtualFileSystem::symlink_recursion_limit;
case _SC_ARG_MAX:
return Process::max_arguments_size;
case _SC_IOV_MAX:
return IOV_MAX;
default:
return EINVAL;
}