1 /* SPDX-License-Identifier: LGPL-2.1 OR MIT */ 2 /* 3 * Resource definitions for NOLIBC 4 * Copyright (C) 2017-2021 Willy Tarreau <w@1wt.eu> 5 */ 6 7 /* make sure to include all global symbols */ 8 #include "../nolibc.h" 9 10 #ifndef _NOLIBC_SYS_RESOURCE_H 11 #define _NOLIBC_SYS_RESOURCE_H 12 13 #include "../sys.h" 14 15 #include <linux/resource.h> 16 17 /* 18 * int getrlimit(int resource, struct rlimit *rlim); 19 * int setrlimit(int resource, const struct rlimit *rlim); 20 */ 21 22 static __attribute__((unused)) 23 int sys_prlimit64(pid_t pid, int resource, 24 const struct rlimit64 *new_limit, struct rlimit64 *old_limit) 25 { 26 return my_syscall4(__NR_prlimit64, pid, resource, new_limit, old_limit); 27 } 28 29 static __attribute__((unused)) 30 int getrlimit(int resource, struct rlimit *rlim) 31 { 32 struct rlimit64 rlim64; 33 int ret; 34 35 ret = __sysret(sys_prlimit64(0, resource, NULL, &rlim64)); 36 rlim->rlim_cur = rlim64.rlim_cur; 37 rlim->rlim_max = rlim64.rlim_max; 38 39 return ret; 40 } 41 42 static __attribute__((unused)) 43 int setrlimit(int resource, const struct rlimit *rlim) 44 { 45 struct rlimit64 rlim64 = { 46 .rlim_cur = rlim->rlim_cur, 47 .rlim_max = rlim->rlim_max, 48 }; 49 50 return __sysret(sys_prlimit64(0, resource, &rlim64, NULL)); 51 } 52 53 #endif /* _NOLIBC_SYS_RESOURCE_H */ 54