1 //===-- Implementation of sched_getparam ----------------------------------===// 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_getparam.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 LIBC_NAMESPACE { 18 19 LLVM_LIBC_FUNCTION(int, sched_getparam, 20 (pid_t tid, struct sched_param *param)) { 21 int ret = LIBC_NAMESPACE::syscall_impl<int>(SYS_sched_getparam, tid, param); 22 if (ret < 0) { 23 libc_errno = -ret; 24 return -1; 25 } 26 return 0; 27 } 28 29 } // namespace LIBC_NAMESPACE 30