1 /* 2 * Copyright 2005-2008, Axel Dörfler, axeld@pinc-software.de. 3 * Distributed under the terms of the MIT License. 4 */ 5 6 // TODO: temporary measurement to fix the build with GCC 4 - in the end, these 7 // private syscalls shouldn't be used anywhere in the Haiku tree, at the very 8 // least they should only be used when compiling for GCC 2.95.3, though. 9 #if __GNUC__ < 30 10 11 //! This file includes some known R5 syscalls 12 13 #include <SupportDefs.h> 14 #include <fs_info.h> 15 16 #include <syscalls.h> 17 18 #include <errno.h> 19 #include <sys/resource.h> 20 #include <sys/stat.h> 21 22 23 int _kset_mon_limit_(int num); 24 int _kset_fd_limit_(int num); 25 int _klock_node_(int fd); 26 int _kunlock_node_(int fd); 27 int _kget_cpu_state_(int cpuNum); 28 int _kset_cpu_state_(int cpuNum, int state); 29 int _kstatfs_(dev_t device, void *whatever, int fd, const char *path, fs_info *info); 30 31 32 int 33 _kset_mon_limit_(int num) 34 { 35 struct rlimit rl; 36 if (num < 1) 37 return EINVAL; 38 rl.rlim_cur = num; 39 rl.rlim_max = RLIM_SAVED_MAX; 40 if (setrlimit(RLIMIT_NOVMON, &rl) < 0) 41 return errno; 42 return B_OK; 43 } 44 45 46 int 47 _kset_fd_limit_(int num) 48 { 49 struct rlimit rl; 50 if (num < 1) 51 return EINVAL; 52 rl.rlim_cur = num; 53 rl.rlim_max = RLIM_SAVED_MAX; 54 if (setrlimit(RLIMIT_NOFILE, &rl) < 0) 55 return errno; 56 return B_OK; 57 } 58 59 60 int 61 _klock_node_(int fd) 62 { 63 return _kern_lock_node(fd); 64 } 65 66 67 int 68 _kunlock_node_(int fd) 69 { 70 return _kern_unlock_node(fd); 71 } 72 73 74 int 75 _kget_cpu_state_(int cpuNum) 76 { 77 return _kern_cpu_enabled(cpuNum); 78 } 79 80 81 int 82 _kset_cpu_state_(int cpuNum, int state) 83 { 84 return _kern_set_cpu_enabled(cpuNum, state != 0); 85 } 86 87 88 int 89 _kstatfs_(dev_t device, void *whatever, int fd, const char *path, fs_info *info) 90 { 91 if (device < 0) { 92 if (fd >= 0) { 93 struct stat stat; 94 if (fstat(fd, &stat) < 0) 95 return -1; 96 97 device = stat.st_dev; 98 } else if (path != NULL) 99 device = dev_for_path(path); 100 } 101 if (device < 0) 102 return B_ERROR; 103 104 return fs_stat_dev(device, info); 105 } 106 107 108 #endif // __GNUC__ < 3 109