[libc-commits] [libc] [libc] Implement pthread_setschedparam and getschedparam (PR #205770)

[Pavel Labath via libc-commits]

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@@ -0,0 +1,40 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// Implementation header for sched_setscheduler syscall wrapper.
+///
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_LIBC_SRC___SUPPORT_OSUTIL_SYSCALL_WRAPPERS_SCHED_SETSCHEDULER_H
+#define LLVM_LIBC_SRC___SUPPORT_OSUTIL_SYSCALL_WRAPPERS_SCHED_SETSCHEDULER_H
+
+#include "hdr/types/pid_t.h"
+#include "hdr/types/struct_sched_param.h"
+#include "src/__support/OSUtil/linux/syscall.h" // syscall_impl
+#include "src/__support/common.h"
+#include "src/__support/error_or.h"
+#include "src/__support/macros/config.h"
+
+#include <sys/syscall.h> // For syscall numbers
+
+namespace LIBC_NAMESPACE_DECL {
+namespace linux_syscalls {
+
+LIBC_INLINE ErrorOr<int> sched_setscheduler(pid_t tid, int policy,
+                                            const struct sched_param *param) {
+  int ret = syscall_impl<int>(SYS_sched_setscheduler, tid, policy, param);
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labath wrote:

Yes, the idea was to use that in ~all syscall wrappers. That should make all of these functions one-liners.

https://github.com/llvm/llvm-project/pull/205770