Kernel: Add _SC_CLK_TCK to sysconf.

Unbreaks the hatari port.
Author: https://github.com/thatdutchguy 🔰 Commit: 10e3e8f6d4 Pull-request: https://github.com/SerenityOS/serenity/pull/5830 Reviewed-by: https://github.com/RealKC
2025-08-09 17:49:40 +00:00 · 2021-03-16 11:05:23 -07:00 · 2021-03-16 11:05:23 -07:00 · 10e3e8f6d4 · 2024-07-18 21:17:29 +09:00
commit 10e3e8f6d4
parent fa6bce5087
3 changed files with 5 additions and 0 deletions
--- a/Kernel/Syscalls/sysconf.cpp
+++ b/Kernel/Syscalls/sysconf.cpp
@ -44,6 +44,9 @@ KResultOr<long> Process::sys$sysconf(int name)
        return TTY_NAME_MAX;
    case _SC_GETPW_R_SIZE_MAX:
        return 4096; // idk
+    case _SC_CLK_TCK:
+        // FIXME: should return Number of clock intervals per second for times()
+        return 100; // seems to be 100 on x86_64
    default:
        return EINVAL;
    }
--- a/Kernel/UnixTypes.h
+++ b/Kernel/UnixTypes.h
@ -63,6 +63,7 @@ enum {
    _SC_TTY_NAME_MAX,
    _SC_PAGESIZE,
    _SC_GETPW_R_SIZE_MAX,
+    _SC_CLK_TCK,
 };

 #define PERF_EVENT_SAMPLE 0
--- a/Userland/Libraries/LibC/unistd.h
+++ b/Userland/Libraries/LibC/unistd.h
@ -177,6 +177,7 @@ enum {
    _SC_TTY_NAME_MAX,
    _SC_PAGESIZE,
    _SC_GETPW_R_SIZE_MAX,
+    _SC_CLK_TCK,
 };

 #define _SC_NPROCESSORS_CONF _SC_NPROCESSORS_CONF