xref: /llvm-project/libc/src/sched/linux/sched_setparam.cpp (revision f0a3954ef1af274cb0b79a6e0bc51a31e0de540b)
1 //===-- Implementation of sched_setparam ----------------------------------===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "src/sched/sched_setparam.h"
10 
11 #include "src/__support/OSUtil/syscall.h" // For internal syscall function.
12 #include "src/__support/common.h"
13 #include "src/errno/libc_errno.h"
14 
15 #include <sys/syscall.h> // For syscall numbers.
16 
17 namespace __llvm_libc {
18 
19 LLVM_LIBC_FUNCTION(int, sched_setparam,
20                    (pid_t tid, const struct sched_param *param)) {
21   int ret = __llvm_libc::syscall_impl<int>(SYS_sched_setparam, tid, param);
22   if (ret < 0) {
23     libc_errno = -ret;
24     return -1;
25   }
26   return 0;
27 }
28 
29 } // namespace __llvm_libc
30