Guido van Rossum | f84a539 | 1997-08-15 00:04:24 +0000 | [diff] [blame] | 1 | |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 2 | #include "Python.h" |
| 3 | #include <sys/resource.h> |
| 4 | #include <sys/time.h> |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 5 | #include <string.h> |
| 6 | #include <errno.h> |
Martin v. Löwis | f26d63b | 2003-03-30 17:23:49 +0000 | [diff] [blame] | 7 | #include <unistd.h> |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 8 | |
Guido van Rossum | 607b33a | 1997-08-17 16:24:30 +0000 | [diff] [blame] | 9 | /* On some systems, these aren't in any header file. |
| 10 | On others they are, with inconsistent prototypes. |
| 11 | We declare the (default) return type, to shut up gcc -Wall; |
| 12 | but we can't declare the prototype, to avoid errors |
| 13 | when the header files declare it different. |
| 14 | Worse, on some Linuxes, getpagesize() returns a size_t... */ |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 15 | |
| 16 | #define doubletime(TV) ((double)(TV).tv_sec + (TV).tv_usec * 0.000001) |
| 17 | |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 18 | /*[clinic input] |
| 19 | module resource |
| 20 | [clinic start generated code]*/ |
| 21 | /*[clinic end generated code: output=da39a3ee5e6b4b0d input=e89d38ed52609d7c]*/ |
| 22 | |
| 23 | /*[python input] |
| 24 | class pid_t_converter(CConverter): |
| 25 | type = 'pid_t' |
| 26 | format_unit = '" _Py_PARSE_PID "' |
| 27 | [python start generated code]*/ |
| 28 | /*[python end generated code: output=da39a3ee5e6b4b0d input=0c1d19f640d57e48]*/ |
| 29 | |
| 30 | #include "clinic/resource.c.h" |
| 31 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 32 | PyDoc_STRVAR(struct_rusage__doc__, |
| 33 | "struct_rusage: Result from getrusage.\n\n" |
| 34 | "This object may be accessed either as a tuple of\n" |
| 35 | " (utime,stime,maxrss,ixrss,idrss,isrss,minflt,majflt,\n" |
| 36 | " nswap,inblock,oublock,msgsnd,msgrcv,nsignals,nvcsw,nivcsw)\n" |
| 37 | "or via the attributes ru_utime, ru_stime, ru_maxrss, and so on."); |
Martin v. Löwis | 688357e | 2002-04-08 21:28:20 +0000 | [diff] [blame] | 38 | |
| 39 | static PyStructSequence_Field struct_rusage_fields[] = { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 40 | {"ru_utime", "user time used"}, |
| 41 | {"ru_stime", "system time used"}, |
| 42 | {"ru_maxrss", "max. resident set size"}, |
| 43 | {"ru_ixrss", "shared memory size"}, |
| 44 | {"ru_idrss", "unshared data size"}, |
| 45 | {"ru_isrss", "unshared stack size"}, |
| 46 | {"ru_minflt", "page faults not requiring I/O"}, |
| 47 | {"ru_majflt", "page faults requiring I/O"}, |
| 48 | {"ru_nswap", "number of swap outs"}, |
| 49 | {"ru_inblock", "block input operations"}, |
| 50 | {"ru_oublock", "block output operations"}, |
| 51 | {"ru_msgsnd", "IPC messages sent"}, |
| 52 | {"ru_msgrcv", "IPC messages received"}, |
| 53 | {"ru_nsignals", "signals received"}, |
| 54 | {"ru_nvcsw", "voluntary context switches"}, |
| 55 | {"ru_nivcsw", "involuntary context switches"}, |
| 56 | {0} |
Martin v. Löwis | 688357e | 2002-04-08 21:28:20 +0000 | [diff] [blame] | 57 | }; |
| 58 | |
| 59 | static PyStructSequence_Desc struct_rusage_desc = { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 60 | "resource.struct_rusage", /* name */ |
| 61 | struct_rusage__doc__, /* doc */ |
| 62 | struct_rusage_fields, /* fields */ |
| 63 | 16 /* n_in_sequence */ |
Martin v. Löwis | 688357e | 2002-04-08 21:28:20 +0000 | [diff] [blame] | 64 | }; |
| 65 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 66 | static int initialized; |
Martin v. Löwis | 688357e | 2002-04-08 21:28:20 +0000 | [diff] [blame] | 67 | static PyTypeObject StructRUsageType; |
| 68 | |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 69 | /*[clinic input] |
| 70 | resource.getrusage |
| 71 | |
| 72 | who: int |
| 73 | / |
| 74 | |
| 75 | [clinic start generated code]*/ |
| 76 | |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 77 | static PyObject * |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 78 | resource_getrusage_impl(PyObject *module, int who) |
| 79 | /*[clinic end generated code: output=8fad2880ba6a9843 input=5c857bcc5b9ccb1b]*/ |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 80 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 81 | struct rusage ru; |
| 82 | PyObject *result; |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 83 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 84 | if (getrusage(who, &ru) == -1) { |
| 85 | if (errno == EINVAL) { |
| 86 | PyErr_SetString(PyExc_ValueError, |
| 87 | "invalid who parameter"); |
| 88 | return NULL; |
| 89 | } |
Benjamin Peterson | 2122cf7 | 2011-12-10 17:50:22 -0500 | [diff] [blame] | 90 | PyErr_SetFromErrno(PyExc_OSError); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 91 | return NULL; |
| 92 | } |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 93 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 94 | result = PyStructSequence_New(&StructRUsageType); |
| 95 | if (!result) |
| 96 | return NULL; |
Martin v. Löwis | 688357e | 2002-04-08 21:28:20 +0000 | [diff] [blame] | 97 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 98 | PyStructSequence_SET_ITEM(result, 0, |
| 99 | PyFloat_FromDouble(doubletime(ru.ru_utime))); |
| 100 | PyStructSequence_SET_ITEM(result, 1, |
| 101 | PyFloat_FromDouble(doubletime(ru.ru_stime))); |
| 102 | PyStructSequence_SET_ITEM(result, 2, PyLong_FromLong(ru.ru_maxrss)); |
| 103 | PyStructSequence_SET_ITEM(result, 3, PyLong_FromLong(ru.ru_ixrss)); |
| 104 | PyStructSequence_SET_ITEM(result, 4, PyLong_FromLong(ru.ru_idrss)); |
| 105 | PyStructSequence_SET_ITEM(result, 5, PyLong_FromLong(ru.ru_isrss)); |
| 106 | PyStructSequence_SET_ITEM(result, 6, PyLong_FromLong(ru.ru_minflt)); |
| 107 | PyStructSequence_SET_ITEM(result, 7, PyLong_FromLong(ru.ru_majflt)); |
| 108 | PyStructSequence_SET_ITEM(result, 8, PyLong_FromLong(ru.ru_nswap)); |
| 109 | PyStructSequence_SET_ITEM(result, 9, PyLong_FromLong(ru.ru_inblock)); |
| 110 | PyStructSequence_SET_ITEM(result, 10, PyLong_FromLong(ru.ru_oublock)); |
| 111 | PyStructSequence_SET_ITEM(result, 11, PyLong_FromLong(ru.ru_msgsnd)); |
| 112 | PyStructSequence_SET_ITEM(result, 12, PyLong_FromLong(ru.ru_msgrcv)); |
| 113 | PyStructSequence_SET_ITEM(result, 13, PyLong_FromLong(ru.ru_nsignals)); |
| 114 | PyStructSequence_SET_ITEM(result, 14, PyLong_FromLong(ru.ru_nvcsw)); |
| 115 | PyStructSequence_SET_ITEM(result, 15, PyLong_FromLong(ru.ru_nivcsw)); |
Martin v. Löwis | 688357e | 2002-04-08 21:28:20 +0000 | [diff] [blame] | 116 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 117 | if (PyErr_Occurred()) { |
| 118 | Py_DECREF(result); |
| 119 | return NULL; |
| 120 | } |
Martin v. Löwis | 688357e | 2002-04-08 21:28:20 +0000 | [diff] [blame] | 121 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 122 | return result; |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 123 | } |
| 124 | |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 125 | static int |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 126 | py2rlimit(PyObject *limits, struct rlimit *rl_out) |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 127 | { |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 128 | PyObject *curobj, *maxobj; |
| 129 | limits = PySequence_Tuple(limits); |
| 130 | if (!limits) |
| 131 | /* Here limits is a borrowed reference */ |
| 132 | return -1; |
| 133 | |
| 134 | if (PyTuple_GET_SIZE(limits) != 2) { |
| 135 | PyErr_SetString(PyExc_ValueError, |
| 136 | "expected a tuple of 2 integers"); |
| 137 | goto error; |
| 138 | } |
| 139 | curobj = PyTuple_GET_ITEM(limits, 0); |
| 140 | maxobj = PyTuple_GET_ITEM(limits, 1); |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 141 | #if !defined(HAVE_LARGEFILE_SUPPORT) |
| 142 | rl_out->rlim_cur = PyLong_AsLong(curobj); |
| 143 | if (rl_out->rlim_cur == (rlim_t)-1 && PyErr_Occurred()) |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 144 | goto error; |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 145 | rl_out->rlim_max = PyLong_AsLong(maxobj); |
| 146 | if (rl_out->rlim_max == (rlim_t)-1 && PyErr_Occurred()) |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 147 | goto error; |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 148 | #else |
| 149 | /* The limits are probably bigger than a long */ |
| 150 | rl_out->rlim_cur = PyLong_AsLongLong(curobj); |
| 151 | if (rl_out->rlim_cur == (rlim_t)-1 && PyErr_Occurred()) |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 152 | goto error; |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 153 | rl_out->rlim_max = PyLong_AsLongLong(maxobj); |
| 154 | if (rl_out->rlim_max == (rlim_t)-1 && PyErr_Occurred()) |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 155 | goto error; |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 156 | #endif |
| 157 | |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 158 | Py_DECREF(limits); |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 159 | rl_out->rlim_cur = rl_out->rlim_cur & RLIM_INFINITY; |
| 160 | rl_out->rlim_max = rl_out->rlim_max & RLIM_INFINITY; |
| 161 | return 0; |
| 162 | |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 163 | error: |
| 164 | Py_DECREF(limits); |
| 165 | return -1; |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 166 | } |
| 167 | |
| 168 | static PyObject* |
| 169 | rlimit2py(struct rlimit rl) |
| 170 | { |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 171 | if (sizeof(rl.rlim_cur) > sizeof(long)) { |
| 172 | return Py_BuildValue("LL", |
Benjamin Peterson | af580df | 2016-09-06 10:46:49 -0700 | [diff] [blame] | 173 | (long long) rl.rlim_cur, |
| 174 | (long long) rl.rlim_max); |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 175 | } |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 176 | return Py_BuildValue("ll", (long) rl.rlim_cur, (long) rl.rlim_max); |
| 177 | } |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 178 | |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 179 | /*[clinic input] |
| 180 | resource.getrlimit |
| 181 | |
| 182 | resource: int |
| 183 | / |
| 184 | |
| 185 | [clinic start generated code]*/ |
| 186 | |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 187 | static PyObject * |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 188 | resource_getrlimit_impl(PyObject *module, int resource) |
| 189 | /*[clinic end generated code: output=98327b25061ffe39 input=a697cb0004cb3c36]*/ |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 190 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 191 | struct rlimit rl; |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 192 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 193 | if (resource < 0 || resource >= RLIM_NLIMITS) { |
| 194 | PyErr_SetString(PyExc_ValueError, |
| 195 | "invalid resource specified"); |
| 196 | return NULL; |
| 197 | } |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 198 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 199 | if (getrlimit(resource, &rl) == -1) { |
Benjamin Peterson | 2122cf7 | 2011-12-10 17:50:22 -0500 | [diff] [blame] | 200 | PyErr_SetFromErrno(PyExc_OSError); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 201 | return NULL; |
| 202 | } |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 203 | return rlimit2py(rl); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 204 | } |
| 205 | |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 206 | /*[clinic input] |
| 207 | resource.setrlimit |
| 208 | |
| 209 | resource: int |
| 210 | limits: object |
| 211 | / |
| 212 | |
| 213 | [clinic start generated code]*/ |
| 214 | |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 215 | static PyObject * |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 216 | resource_setrlimit_impl(PyObject *module, int resource, PyObject *limits) |
| 217 | /*[clinic end generated code: output=4e82ec3f34d013d1 input=6235a6ce23b4ca75]*/ |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 218 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 219 | struct rlimit rl; |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 220 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 221 | if (resource < 0 || resource >= RLIM_NLIMITS) { |
| 222 | PyErr_SetString(PyExc_ValueError, |
| 223 | "invalid resource specified"); |
| 224 | return NULL; |
| 225 | } |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 226 | |
Saiyang Gou | 7514f4f | 2020-02-12 23:47:42 -0800 | [diff] [blame] | 227 | if (PySys_Audit("resource.setrlimit", "iO", resource, |
| 228 | limits ? limits : Py_None) < 0) { |
| 229 | return NULL; |
| 230 | } |
| 231 | |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 232 | if (py2rlimit(limits, &rl) < 0) { |
Serhiy Storchaka | 19c4e0d | 2013-02-04 12:47:24 +0200 | [diff] [blame] | 233 | return NULL; |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 234 | } |
Guido van Rossum | 763737b | 1999-01-06 18:44:57 +0000 | [diff] [blame] | 235 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 236 | if (setrlimit(resource, &rl) == -1) { |
| 237 | if (errno == EINVAL) |
| 238 | PyErr_SetString(PyExc_ValueError, |
| 239 | "current limit exceeds maximum limit"); |
| 240 | else if (errno == EPERM) |
| 241 | PyErr_SetString(PyExc_ValueError, |
| 242 | "not allowed to raise maximum limit"); |
| 243 | else |
Benjamin Peterson | 2122cf7 | 2011-12-10 17:50:22 -0500 | [diff] [blame] | 244 | PyErr_SetFromErrno(PyExc_OSError); |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 245 | return NULL; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 246 | } |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 247 | Py_RETURN_NONE; |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 248 | } |
| 249 | |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 250 | #ifdef HAVE_PRLIMIT |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 251 | /*[clinic input] |
| 252 | resource.prlimit |
| 253 | |
| 254 | pid: pid_t |
| 255 | resource: int |
| 256 | [ |
| 257 | limits: object |
| 258 | ] |
| 259 | / |
| 260 | |
| 261 | [clinic start generated code]*/ |
| 262 | |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 263 | static PyObject * |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 264 | resource_prlimit_impl(PyObject *module, pid_t pid, int resource, |
| 265 | int group_right_1, PyObject *limits) |
| 266 | /*[clinic end generated code: output=ee976b393187a7a3 input=b77743bdccc83564]*/ |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 267 | { |
| 268 | struct rlimit old_limit, new_limit; |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 269 | int retval; |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 270 | |
| 271 | if (resource < 0 || resource >= RLIM_NLIMITS) { |
| 272 | PyErr_SetString(PyExc_ValueError, |
| 273 | "invalid resource specified"); |
| 274 | return NULL; |
| 275 | } |
| 276 | |
Saiyang Gou | 7514f4f | 2020-02-12 23:47:42 -0800 | [diff] [blame] | 277 | if (PySys_Audit("resource.prlimit", "iiO", pid, resource, |
| 278 | limits ? limits : Py_None) < 0) { |
| 279 | return NULL; |
| 280 | } |
| 281 | |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 282 | if (group_right_1) { |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 283 | if (py2rlimit(limits, &new_limit) < 0) { |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 284 | return NULL; |
| 285 | } |
| 286 | retval = prlimit(pid, resource, &new_limit, &old_limit); |
| 287 | } |
| 288 | else { |
| 289 | retval = prlimit(pid, resource, NULL, &old_limit); |
| 290 | } |
| 291 | |
| 292 | if (retval == -1) { |
| 293 | if (errno == EINVAL) { |
| 294 | PyErr_SetString(PyExc_ValueError, |
| 295 | "current limit exceeds maximum limit"); |
| 296 | } else { |
| 297 | PyErr_SetFromErrno(PyExc_OSError); |
| 298 | } |
| 299 | return NULL; |
| 300 | } |
| 301 | return rlimit2py(old_limit); |
| 302 | } |
| 303 | #endif /* HAVE_PRLIMIT */ |
| 304 | |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 305 | /*[clinic input] |
| 306 | resource.getpagesize -> int |
| 307 | [clinic start generated code]*/ |
| 308 | |
| 309 | static int |
| 310 | resource_getpagesize_impl(PyObject *module) |
| 311 | /*[clinic end generated code: output=9ba93eb0f3d6c3a9 input=546545e8c1f42085]*/ |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 312 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 313 | long pagesize = 0; |
Martin v. Löwis | f26d63b | 2003-03-30 17:23:49 +0000 | [diff] [blame] | 314 | #if defined(HAVE_GETPAGESIZE) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 315 | pagesize = getpagesize(); |
Martin v. Löwis | f26d63b | 2003-03-30 17:23:49 +0000 | [diff] [blame] | 316 | #elif defined(HAVE_SYSCONF) |
Martin v. Löwis | 0cb3c63 | 2004-08-12 13:26:56 +0000 | [diff] [blame] | 317 | #if defined(_SC_PAGE_SIZE) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 318 | pagesize = sysconf(_SC_PAGE_SIZE); |
Martin v. Löwis | 0cb3c63 | 2004-08-12 13:26:56 +0000 | [diff] [blame] | 319 | #else |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 320 | /* Irix 5.3 has _SC_PAGESIZE, but not _SC_PAGE_SIZE */ |
| 321 | pagesize = sysconf(_SC_PAGESIZE); |
Martin v. Löwis | 0cb3c63 | 2004-08-12 13:26:56 +0000 | [diff] [blame] | 322 | #endif |
Martin v. Löwis | f26d63b | 2003-03-30 17:23:49 +0000 | [diff] [blame] | 323 | #endif |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 324 | return pagesize; |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 325 | } |
| 326 | |
| 327 | /* List of functions */ |
| 328 | |
| 329 | static struct PyMethodDef |
| 330 | resource_methods[] = { |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 331 | RESOURCE_GETRUSAGE_METHODDEF |
| 332 | RESOURCE_GETRLIMIT_METHODDEF |
| 333 | RESOURCE_PRLIMIT_METHODDEF |
| 334 | RESOURCE_SETRLIMIT_METHODDEF |
| 335 | RESOURCE_GETPAGESIZE_METHODDEF |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 336 | {NULL, NULL} /* sentinel */ |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 337 | }; |
| 338 | |
| 339 | |
| 340 | /* Module initialization */ |
| 341 | |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 342 | |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 343 | static int |
| 344 | resource_exec(PyObject *module) |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 345 | { |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 346 | #define ADD_INT(module, value) \ |
| 347 | do { \ |
| 348 | if (PyModule_AddIntConstant(module, #value, value) < 0) { \ |
| 349 | return -1; \ |
| 350 | } \ |
| 351 | } while (0) |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 352 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 353 | /* Add some symbolic constants to the module */ |
Benjamin Peterson | 2122cf7 | 2011-12-10 17:50:22 -0500 | [diff] [blame] | 354 | Py_INCREF(PyExc_OSError); |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 355 | if (PyModule_AddObject(module, "error", PyExc_OSError) < 0) { |
| 356 | Py_DECREF(PyExc_OSError); |
| 357 | return -1; |
| 358 | } |
Victor Stinner | 1c8f059 | 2013-07-22 22:24:54 +0200 | [diff] [blame] | 359 | if (!initialized) { |
| 360 | if (PyStructSequence_InitType2(&StructRUsageType, |
| 361 | &struct_rusage_desc) < 0) |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 362 | return -1; |
Victor Stinner | 1c8f059 | 2013-07-22 22:24:54 +0200 | [diff] [blame] | 363 | } |
| 364 | |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 365 | if(PyModule_AddType(module, &StructRUsageType) < 0) { |
| 366 | return -1; |
| 367 | } |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 368 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 369 | /* insert constants */ |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 370 | #ifdef RLIMIT_CPU |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 371 | ADD_INT(module, RLIMIT_CPU); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 372 | #endif |
| 373 | |
| 374 | #ifdef RLIMIT_FSIZE |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 375 | ADD_INT(module, RLIMIT_FSIZE); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 376 | #endif |
| 377 | |
| 378 | #ifdef RLIMIT_DATA |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 379 | ADD_INT(module, RLIMIT_DATA); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 380 | #endif |
| 381 | |
| 382 | #ifdef RLIMIT_STACK |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 383 | ADD_INT(module, RLIMIT_STACK); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 384 | #endif |
| 385 | |
| 386 | #ifdef RLIMIT_CORE |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 387 | ADD_INT(module, RLIMIT_CORE); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 388 | #endif |
| 389 | |
| 390 | #ifdef RLIMIT_NOFILE |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 391 | ADD_INT(module, RLIMIT_NOFILE); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 392 | #endif |
| 393 | |
| 394 | #ifdef RLIMIT_OFILE |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 395 | ADD_INT(module, RLIMIT_OFILE); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 396 | #endif |
| 397 | |
| 398 | #ifdef RLIMIT_VMEM |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 399 | ADD_INT(module, RLIMIT_VMEM); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 400 | #endif |
| 401 | |
| 402 | #ifdef RLIMIT_AS |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 403 | ADD_INT(module, RLIMIT_AS); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 404 | #endif |
| 405 | |
| 406 | #ifdef RLIMIT_RSS |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 407 | ADD_INT(module, RLIMIT_RSS); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 408 | #endif |
| 409 | |
| 410 | #ifdef RLIMIT_NPROC |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 411 | ADD_INT(module, RLIMIT_NPROC); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 412 | #endif |
| 413 | |
| 414 | #ifdef RLIMIT_MEMLOCK |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 415 | ADD_INT(module, RLIMIT_MEMLOCK); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 416 | #endif |
| 417 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 418 | #ifdef RLIMIT_SBSIZE |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 419 | ADD_INT(module, RLIMIT_SBSIZE); |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 420 | #endif |
| 421 | |
Christian Heimes | 6fc79bf | 2013-10-22 11:09:27 +0200 | [diff] [blame] | 422 | /* Linux specific */ |
| 423 | #ifdef RLIMIT_MSGQUEUE |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 424 | ADD_INT(module, RLIMIT_MSGQUEUE); |
Christian Heimes | 6fc79bf | 2013-10-22 11:09:27 +0200 | [diff] [blame] | 425 | #endif |
| 426 | |
| 427 | #ifdef RLIMIT_NICE |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 428 | ADD_INT(module, RLIMIT_NICE); |
Christian Heimes | 6fc79bf | 2013-10-22 11:09:27 +0200 | [diff] [blame] | 429 | #endif |
| 430 | |
| 431 | #ifdef RLIMIT_RTPRIO |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 432 | ADD_INT(module, RLIMIT_RTPRIO); |
Christian Heimes | 6fc79bf | 2013-10-22 11:09:27 +0200 | [diff] [blame] | 433 | #endif |
| 434 | |
| 435 | #ifdef RLIMIT_RTTIME |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 436 | ADD_INT(module, RLIMIT_RTTIME); |
Christian Heimes | 6fc79bf | 2013-10-22 11:09:27 +0200 | [diff] [blame] | 437 | #endif |
| 438 | |
| 439 | #ifdef RLIMIT_SIGPENDING |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 440 | ADD_INT(module, RLIMIT_SIGPENDING); |
Christian Heimes | 6fc79bf | 2013-10-22 11:09:27 +0200 | [diff] [blame] | 441 | #endif |
| 442 | |
| 443 | /* target */ |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 444 | #ifdef RUSAGE_SELF |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 445 | ADD_INT(module, RUSAGE_SELF); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 446 | #endif |
| 447 | |
Guido van Rossum | ebd05eb | 1997-12-09 19:35:48 +0000 | [diff] [blame] | 448 | #ifdef RUSAGE_CHILDREN |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 449 | ADD_INT(module, RUSAGE_CHILDREN); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 450 | #endif |
| 451 | |
| 452 | #ifdef RUSAGE_BOTH |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 453 | ADD_INT(module, RUSAGE_BOTH); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 454 | #endif |
Neil Schemenauer | 29ac3cb | 2002-03-24 22:27:39 +0000 | [diff] [blame] | 455 | |
Antoine Pitrou | b6d4ee5 | 2010-11-17 16:19:35 +0000 | [diff] [blame] | 456 | #ifdef RUSAGE_THREAD |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 457 | ADD_INT(module, RUSAGE_THREAD); |
Antoine Pitrou | b6d4ee5 | 2010-11-17 16:19:35 +0000 | [diff] [blame] | 458 | #endif |
| 459 | |
Christian Heimes | 5bb414d | 2013-12-08 14:35:55 +0100 | [diff] [blame] | 460 | /* FreeBSD specific */ |
| 461 | |
| 462 | #ifdef RLIMIT_SWAP |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 463 | ADD_INT(module, RLIMIT_SWAP); |
Christian Heimes | 5bb414d | 2013-12-08 14:35:55 +0100 | [diff] [blame] | 464 | #endif |
| 465 | |
| 466 | #ifdef RLIMIT_SBSIZE |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 467 | ADD_INT(module, RLIMIT_SBSIZE); |
Christian Heimes | 5bb414d | 2013-12-08 14:35:55 +0100 | [diff] [blame] | 468 | #endif |
| 469 | |
| 470 | #ifdef RLIMIT_NPTS |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 471 | ADD_INT(module, RLIMIT_NPTS); |
Christian Heimes | 5bb414d | 2013-12-08 14:35:55 +0100 | [diff] [blame] | 472 | #endif |
| 473 | |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 474 | PyObject *v; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 475 | if (sizeof(RLIM_INFINITY) > sizeof(long)) { |
Benjamin Peterson | af580df | 2016-09-06 10:46:49 -0700 | [diff] [blame] | 476 | v = PyLong_FromLongLong((long long) RLIM_INFINITY); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 477 | } else |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 478 | { |
| 479 | v = PyLong_FromLong((long) RLIM_INFINITY); |
| 480 | } |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 481 | if (!v) { |
| 482 | return -1; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 483 | } |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 484 | |
| 485 | if (PyModule_AddObject(module, "RLIM_INFINITY", v) < 0) { |
| 486 | Py_DECREF(v); |
| 487 | return -1; |
| 488 | } |
| 489 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 490 | initialized = 1; |
Hai Shi | 45f7008 | 2020-04-02 20:35:08 +0800 | [diff] [blame] | 491 | return 0; |
| 492 | |
| 493 | #undef ADD_INT |
| 494 | } |
| 495 | |
| 496 | static struct PyModuleDef_Slot resource_slots[] = { |
| 497 | {Py_mod_exec, resource_exec}, |
| 498 | {0, NULL} |
| 499 | }; |
| 500 | |
| 501 | static struct PyModuleDef resourcemodule = { |
| 502 | PyModuleDef_HEAD_INIT, |
| 503 | .m_name = "resource", |
| 504 | .m_size = 0, |
| 505 | .m_methods = resource_methods, |
| 506 | .m_slots = resource_slots, |
| 507 | }; |
| 508 | |
| 509 | PyMODINIT_FUNC |
| 510 | PyInit_resource(void) |
| 511 | { |
| 512 | return PyModuleDef_Init(&resourcemodule); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 513 | } |