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 | /* for sysconf */ |
| 8 | #if defined(HAVE_UNISTD_H) |
| 9 | #include <unistd.h> |
| 10 | #endif |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 11 | |
Guido van Rossum | 607b33a | 1997-08-17 16:24:30 +0000 | [diff] [blame] | 12 | /* On some systems, these aren't in any header file. |
| 13 | On others they are, with inconsistent prototypes. |
| 14 | We declare the (default) return type, to shut up gcc -Wall; |
| 15 | but we can't declare the prototype, to avoid errors |
| 16 | when the header files declare it different. |
| 17 | Worse, on some Linuxes, getpagesize() returns a size_t... */ |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 18 | |
| 19 | #define doubletime(TV) ((double)(TV).tv_sec + (TV).tv_usec * 0.000001) |
| 20 | |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 21 | /*[clinic input] |
| 22 | module resource |
| 23 | [clinic start generated code]*/ |
| 24 | /*[clinic end generated code: output=da39a3ee5e6b4b0d input=e89d38ed52609d7c]*/ |
| 25 | |
| 26 | /*[python input] |
| 27 | class pid_t_converter(CConverter): |
| 28 | type = 'pid_t' |
| 29 | format_unit = '" _Py_PARSE_PID "' |
| 30 | [python start generated code]*/ |
| 31 | /*[python end generated code: output=da39a3ee5e6b4b0d input=0c1d19f640d57e48]*/ |
| 32 | |
| 33 | #include "clinic/resource.c.h" |
| 34 | |
Martin v. Löwis | 14f8b4c | 2002-06-13 20:33:02 +0000 | [diff] [blame] | 35 | PyDoc_STRVAR(struct_rusage__doc__, |
| 36 | "struct_rusage: Result from getrusage.\n\n" |
| 37 | "This object may be accessed either as a tuple of\n" |
| 38 | " (utime,stime,maxrss,ixrss,idrss,isrss,minflt,majflt,\n" |
| 39 | " nswap,inblock,oublock,msgsnd,msgrcv,nsignals,nvcsw,nivcsw)\n" |
| 40 | "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] | 41 | |
| 42 | static PyStructSequence_Field struct_rusage_fields[] = { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 43 | {"ru_utime", "user time used"}, |
| 44 | {"ru_stime", "system time used"}, |
| 45 | {"ru_maxrss", "max. resident set size"}, |
| 46 | {"ru_ixrss", "shared memory size"}, |
| 47 | {"ru_idrss", "unshared data size"}, |
| 48 | {"ru_isrss", "unshared stack size"}, |
| 49 | {"ru_minflt", "page faults not requiring I/O"}, |
| 50 | {"ru_majflt", "page faults requiring I/O"}, |
| 51 | {"ru_nswap", "number of swap outs"}, |
| 52 | {"ru_inblock", "block input operations"}, |
| 53 | {"ru_oublock", "block output operations"}, |
| 54 | {"ru_msgsnd", "IPC messages sent"}, |
| 55 | {"ru_msgrcv", "IPC messages received"}, |
| 56 | {"ru_nsignals", "signals received"}, |
| 57 | {"ru_nvcsw", "voluntary context switches"}, |
| 58 | {"ru_nivcsw", "involuntary context switches"}, |
| 59 | {0} |
Martin v. Löwis | 688357e | 2002-04-08 21:28:20 +0000 | [diff] [blame] | 60 | }; |
| 61 | |
| 62 | static PyStructSequence_Desc struct_rusage_desc = { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 63 | "resource.struct_rusage", /* name */ |
| 64 | struct_rusage__doc__, /* doc */ |
| 65 | struct_rusage_fields, /* fields */ |
| 66 | 16 /* n_in_sequence */ |
Martin v. Löwis | 688357e | 2002-04-08 21:28:20 +0000 | [diff] [blame] | 67 | }; |
| 68 | |
Thomas Wouters | 49fd7fa | 2006-04-21 10:40:58 +0000 | [diff] [blame] | 69 | static int initialized; |
Martin v. Löwis | 688357e | 2002-04-08 21:28:20 +0000 | [diff] [blame] | 70 | static PyTypeObject StructRUsageType; |
| 71 | |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 72 | /*[clinic input] |
| 73 | resource.getrusage |
| 74 | |
| 75 | who: int |
| 76 | / |
| 77 | |
| 78 | [clinic start generated code]*/ |
| 79 | |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 80 | static PyObject * |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 81 | resource_getrusage_impl(PyObject *module, int who) |
| 82 | /*[clinic end generated code: output=8fad2880ba6a9843 input=5c857bcc5b9ccb1b]*/ |
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 | struct rusage ru; |
| 85 | PyObject *result; |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 86 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 87 | if (getrusage(who, &ru) == -1) { |
| 88 | if (errno == EINVAL) { |
| 89 | PyErr_SetString(PyExc_ValueError, |
| 90 | "invalid who parameter"); |
| 91 | return NULL; |
| 92 | } |
Benjamin Peterson | 2122cf7 | 2011-12-10 17:50:22 -0500 | [diff] [blame] | 93 | PyErr_SetFromErrno(PyExc_OSError); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 94 | return NULL; |
| 95 | } |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 96 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 97 | result = PyStructSequence_New(&StructRUsageType); |
| 98 | if (!result) |
| 99 | return NULL; |
Martin v. Löwis | 688357e | 2002-04-08 21:28:20 +0000 | [diff] [blame] | 100 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 101 | PyStructSequence_SET_ITEM(result, 0, |
| 102 | PyFloat_FromDouble(doubletime(ru.ru_utime))); |
| 103 | PyStructSequence_SET_ITEM(result, 1, |
| 104 | PyFloat_FromDouble(doubletime(ru.ru_stime))); |
| 105 | PyStructSequence_SET_ITEM(result, 2, PyLong_FromLong(ru.ru_maxrss)); |
| 106 | PyStructSequence_SET_ITEM(result, 3, PyLong_FromLong(ru.ru_ixrss)); |
| 107 | PyStructSequence_SET_ITEM(result, 4, PyLong_FromLong(ru.ru_idrss)); |
| 108 | PyStructSequence_SET_ITEM(result, 5, PyLong_FromLong(ru.ru_isrss)); |
| 109 | PyStructSequence_SET_ITEM(result, 6, PyLong_FromLong(ru.ru_minflt)); |
| 110 | PyStructSequence_SET_ITEM(result, 7, PyLong_FromLong(ru.ru_majflt)); |
| 111 | PyStructSequence_SET_ITEM(result, 8, PyLong_FromLong(ru.ru_nswap)); |
| 112 | PyStructSequence_SET_ITEM(result, 9, PyLong_FromLong(ru.ru_inblock)); |
| 113 | PyStructSequence_SET_ITEM(result, 10, PyLong_FromLong(ru.ru_oublock)); |
| 114 | PyStructSequence_SET_ITEM(result, 11, PyLong_FromLong(ru.ru_msgsnd)); |
| 115 | PyStructSequence_SET_ITEM(result, 12, PyLong_FromLong(ru.ru_msgrcv)); |
| 116 | PyStructSequence_SET_ITEM(result, 13, PyLong_FromLong(ru.ru_nsignals)); |
| 117 | PyStructSequence_SET_ITEM(result, 14, PyLong_FromLong(ru.ru_nvcsw)); |
| 118 | PyStructSequence_SET_ITEM(result, 15, PyLong_FromLong(ru.ru_nivcsw)); |
Martin v. Löwis | 688357e | 2002-04-08 21:28:20 +0000 | [diff] [blame] | 119 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 120 | if (PyErr_Occurred()) { |
| 121 | Py_DECREF(result); |
| 122 | return NULL; |
| 123 | } |
Martin v. Löwis | 688357e | 2002-04-08 21:28:20 +0000 | [diff] [blame] | 124 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 125 | return result; |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 126 | } |
| 127 | |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 128 | static int |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 129 | py2rlimit(PyObject *limits, struct rlimit *rl_out) |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 130 | { |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 131 | PyObject *curobj, *maxobj; |
| 132 | limits = PySequence_Tuple(limits); |
| 133 | if (!limits) |
| 134 | /* Here limits is a borrowed reference */ |
| 135 | return -1; |
| 136 | |
| 137 | if (PyTuple_GET_SIZE(limits) != 2) { |
| 138 | PyErr_SetString(PyExc_ValueError, |
| 139 | "expected a tuple of 2 integers"); |
| 140 | goto error; |
| 141 | } |
| 142 | curobj = PyTuple_GET_ITEM(limits, 0); |
| 143 | maxobj = PyTuple_GET_ITEM(limits, 1); |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 144 | #if !defined(HAVE_LARGEFILE_SUPPORT) |
| 145 | rl_out->rlim_cur = PyLong_AsLong(curobj); |
| 146 | if (rl_out->rlim_cur == (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 | rl_out->rlim_max = PyLong_AsLong(maxobj); |
| 149 | if (rl_out->rlim_max == (rlim_t)-1 && PyErr_Occurred()) |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 150 | goto error; |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 151 | #else |
| 152 | /* The limits are probably bigger than a long */ |
| 153 | rl_out->rlim_cur = PyLong_AsLongLong(curobj); |
| 154 | if (rl_out->rlim_cur == (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 | rl_out->rlim_max = PyLong_AsLongLong(maxobj); |
| 157 | if (rl_out->rlim_max == (rlim_t)-1 && PyErr_Occurred()) |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 158 | goto error; |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 159 | #endif |
| 160 | |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 161 | Py_DECREF(limits); |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 162 | rl_out->rlim_cur = rl_out->rlim_cur & RLIM_INFINITY; |
| 163 | rl_out->rlim_max = rl_out->rlim_max & RLIM_INFINITY; |
| 164 | return 0; |
| 165 | |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 166 | error: |
| 167 | Py_DECREF(limits); |
| 168 | return -1; |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 169 | } |
| 170 | |
| 171 | static PyObject* |
| 172 | rlimit2py(struct rlimit rl) |
| 173 | { |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 174 | if (sizeof(rl.rlim_cur) > sizeof(long)) { |
| 175 | return Py_BuildValue("LL", |
Benjamin Peterson | af580df | 2016-09-06 10:46:49 -0700 | [diff] [blame] | 176 | (long long) rl.rlim_cur, |
| 177 | (long long) rl.rlim_max); |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 178 | } |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 179 | return Py_BuildValue("ll", (long) rl.rlim_cur, (long) rl.rlim_max); |
| 180 | } |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 181 | |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 182 | /*[clinic input] |
| 183 | resource.getrlimit |
| 184 | |
| 185 | resource: int |
| 186 | / |
| 187 | |
| 188 | [clinic start generated code]*/ |
| 189 | |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 190 | static PyObject * |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 191 | resource_getrlimit_impl(PyObject *module, int resource) |
| 192 | /*[clinic end generated code: output=98327b25061ffe39 input=a697cb0004cb3c36]*/ |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 193 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 194 | struct rlimit rl; |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 195 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 196 | if (resource < 0 || resource >= RLIM_NLIMITS) { |
| 197 | PyErr_SetString(PyExc_ValueError, |
| 198 | "invalid resource specified"); |
| 199 | return NULL; |
| 200 | } |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 201 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 202 | if (getrlimit(resource, &rl) == -1) { |
Benjamin Peterson | 2122cf7 | 2011-12-10 17:50:22 -0500 | [diff] [blame] | 203 | PyErr_SetFromErrno(PyExc_OSError); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 204 | return NULL; |
| 205 | } |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 206 | return rlimit2py(rl); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 207 | } |
| 208 | |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 209 | /*[clinic input] |
| 210 | resource.setrlimit |
| 211 | |
| 212 | resource: int |
| 213 | limits: object |
| 214 | / |
| 215 | |
| 216 | [clinic start generated code]*/ |
| 217 | |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 218 | static PyObject * |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 219 | resource_setrlimit_impl(PyObject *module, int resource, PyObject *limits) |
| 220 | /*[clinic end generated code: output=4e82ec3f34d013d1 input=6235a6ce23b4ca75]*/ |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 221 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 222 | struct rlimit rl; |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 223 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 224 | if (resource < 0 || resource >= RLIM_NLIMITS) { |
| 225 | PyErr_SetString(PyExc_ValueError, |
| 226 | "invalid resource specified"); |
| 227 | return NULL; |
| 228 | } |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 229 | |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 230 | if (py2rlimit(limits, &rl) < 0) { |
Serhiy Storchaka | 19c4e0d | 2013-02-04 12:47:24 +0200 | [diff] [blame] | 231 | return NULL; |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 232 | } |
Guido van Rossum | 763737b | 1999-01-06 18:44:57 +0000 | [diff] [blame] | 233 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 234 | if (setrlimit(resource, &rl) == -1) { |
| 235 | if (errno == EINVAL) |
| 236 | PyErr_SetString(PyExc_ValueError, |
| 237 | "current limit exceeds maximum limit"); |
| 238 | else if (errno == EPERM) |
| 239 | PyErr_SetString(PyExc_ValueError, |
| 240 | "not allowed to raise maximum limit"); |
| 241 | else |
Benjamin Peterson | 2122cf7 | 2011-12-10 17:50:22 -0500 | [diff] [blame] | 242 | PyErr_SetFromErrno(PyExc_OSError); |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 243 | return NULL; |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 244 | } |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 245 | Py_RETURN_NONE; |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 246 | } |
| 247 | |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 248 | #ifdef HAVE_PRLIMIT |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 249 | /*[clinic input] |
| 250 | resource.prlimit |
| 251 | |
| 252 | pid: pid_t |
| 253 | resource: int |
| 254 | [ |
| 255 | limits: object |
| 256 | ] |
| 257 | / |
| 258 | |
| 259 | [clinic start generated code]*/ |
| 260 | |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 261 | static PyObject * |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 262 | resource_prlimit_impl(PyObject *module, pid_t pid, int resource, |
| 263 | int group_right_1, PyObject *limits) |
| 264 | /*[clinic end generated code: output=ee976b393187a7a3 input=b77743bdccc83564]*/ |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 265 | { |
| 266 | struct rlimit old_limit, new_limit; |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 267 | int retval; |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 268 | |
| 269 | if (resource < 0 || resource >= RLIM_NLIMITS) { |
| 270 | PyErr_SetString(PyExc_ValueError, |
| 271 | "invalid resource specified"); |
| 272 | return NULL; |
| 273 | } |
| 274 | |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 275 | if (group_right_1) { |
Serhiy Storchaka | b94eef2 | 2016-12-19 08:04:15 +0200 | [diff] [blame] | 276 | if (py2rlimit(limits, &new_limit) < 0) { |
Christian Heimes | b7bd5df | 2013-10-22 11:21:54 +0200 | [diff] [blame] | 277 | return NULL; |
| 278 | } |
| 279 | retval = prlimit(pid, resource, &new_limit, &old_limit); |
| 280 | } |
| 281 | else { |
| 282 | retval = prlimit(pid, resource, NULL, &old_limit); |
| 283 | } |
| 284 | |
| 285 | if (retval == -1) { |
| 286 | if (errno == EINVAL) { |
| 287 | PyErr_SetString(PyExc_ValueError, |
| 288 | "current limit exceeds maximum limit"); |
| 289 | } else { |
| 290 | PyErr_SetFromErrno(PyExc_OSError); |
| 291 | } |
| 292 | return NULL; |
| 293 | } |
| 294 | return rlimit2py(old_limit); |
| 295 | } |
| 296 | #endif /* HAVE_PRLIMIT */ |
| 297 | |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 298 | /*[clinic input] |
| 299 | resource.getpagesize -> int |
| 300 | [clinic start generated code]*/ |
| 301 | |
| 302 | static int |
| 303 | resource_getpagesize_impl(PyObject *module) |
| 304 | /*[clinic end generated code: output=9ba93eb0f3d6c3a9 input=546545e8c1f42085]*/ |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 305 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 306 | long pagesize = 0; |
Martin v. Löwis | f26d63b | 2003-03-30 17:23:49 +0000 | [diff] [blame] | 307 | #if defined(HAVE_GETPAGESIZE) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 308 | pagesize = getpagesize(); |
Martin v. Löwis | f26d63b | 2003-03-30 17:23:49 +0000 | [diff] [blame] | 309 | #elif defined(HAVE_SYSCONF) |
Martin v. Löwis | 0cb3c63 | 2004-08-12 13:26:56 +0000 | [diff] [blame] | 310 | #if defined(_SC_PAGE_SIZE) |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 311 | pagesize = sysconf(_SC_PAGE_SIZE); |
Martin v. Löwis | 0cb3c63 | 2004-08-12 13:26:56 +0000 | [diff] [blame] | 312 | #else |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 313 | /* Irix 5.3 has _SC_PAGESIZE, but not _SC_PAGE_SIZE */ |
| 314 | pagesize = sysconf(_SC_PAGESIZE); |
Martin v. Löwis | 0cb3c63 | 2004-08-12 13:26:56 +0000 | [diff] [blame] | 315 | #endif |
Martin v. Löwis | f26d63b | 2003-03-30 17:23:49 +0000 | [diff] [blame] | 316 | #endif |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 317 | return pagesize; |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 318 | } |
| 319 | |
| 320 | /* List of functions */ |
| 321 | |
| 322 | static struct PyMethodDef |
| 323 | resource_methods[] = { |
Serhiy Storchaka | 1989763 | 2017-03-12 13:08:30 +0200 | [diff] [blame] | 324 | RESOURCE_GETRUSAGE_METHODDEF |
| 325 | RESOURCE_GETRLIMIT_METHODDEF |
| 326 | RESOURCE_PRLIMIT_METHODDEF |
| 327 | RESOURCE_SETRLIMIT_METHODDEF |
| 328 | RESOURCE_GETPAGESIZE_METHODDEF |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 329 | {NULL, NULL} /* sentinel */ |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 330 | }; |
| 331 | |
| 332 | |
| 333 | /* Module initialization */ |
| 334 | |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 335 | |
| 336 | static struct PyModuleDef resourcemodule = { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 337 | PyModuleDef_HEAD_INIT, |
| 338 | "resource", |
| 339 | NULL, |
| 340 | -1, |
| 341 | resource_methods, |
| 342 | NULL, |
| 343 | NULL, |
| 344 | NULL, |
| 345 | NULL |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 346 | }; |
| 347 | |
Mark Hammond | fe51c6d | 2002-08-02 02:27:13 +0000 | [diff] [blame] | 348 | PyMODINIT_FUNC |
Martin v. Löwis | 1a21451 | 2008-06-11 05:26:20 +0000 | [diff] [blame] | 349 | PyInit_resource(void) |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 350 | { |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 351 | PyObject *m, *v; |
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 | /* Create the module and add the functions */ |
| 354 | m = PyModule_Create(&resourcemodule); |
| 355 | if (m == NULL) |
| 356 | return NULL; |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 357 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 358 | /* Add some symbolic constants to the module */ |
Benjamin Peterson | 2122cf7 | 2011-12-10 17:50:22 -0500 | [diff] [blame] | 359 | Py_INCREF(PyExc_OSError); |
| 360 | PyModule_AddObject(m, "error", PyExc_OSError); |
Victor Stinner | 1c8f059 | 2013-07-22 22:24:54 +0200 | [diff] [blame] | 361 | if (!initialized) { |
| 362 | if (PyStructSequence_InitType2(&StructRUsageType, |
| 363 | &struct_rusage_desc) < 0) |
| 364 | return NULL; |
| 365 | } |
| 366 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 367 | Py_INCREF(&StructRUsageType); |
| 368 | PyModule_AddObject(m, "struct_rusage", |
| 369 | (PyObject*) &StructRUsageType); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 370 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 371 | /* insert constants */ |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 372 | #ifdef RLIMIT_CPU |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 373 | PyModule_AddIntMacro(m, RLIMIT_CPU); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 374 | #endif |
| 375 | |
| 376 | #ifdef RLIMIT_FSIZE |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 377 | PyModule_AddIntMacro(m, RLIMIT_FSIZE); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 378 | #endif |
| 379 | |
| 380 | #ifdef RLIMIT_DATA |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 381 | PyModule_AddIntMacro(m, RLIMIT_DATA); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 382 | #endif |
| 383 | |
| 384 | #ifdef RLIMIT_STACK |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 385 | PyModule_AddIntMacro(m, RLIMIT_STACK); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 386 | #endif |
| 387 | |
| 388 | #ifdef RLIMIT_CORE |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 389 | PyModule_AddIntMacro(m, RLIMIT_CORE); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 390 | #endif |
| 391 | |
| 392 | #ifdef RLIMIT_NOFILE |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 393 | PyModule_AddIntMacro(m, RLIMIT_NOFILE); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 394 | #endif |
| 395 | |
| 396 | #ifdef RLIMIT_OFILE |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 397 | PyModule_AddIntMacro(m, RLIMIT_OFILE); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 398 | #endif |
| 399 | |
| 400 | #ifdef RLIMIT_VMEM |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 401 | PyModule_AddIntMacro(m, RLIMIT_VMEM); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 402 | #endif |
| 403 | |
| 404 | #ifdef RLIMIT_AS |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 405 | PyModule_AddIntMacro(m, RLIMIT_AS); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 406 | #endif |
| 407 | |
| 408 | #ifdef RLIMIT_RSS |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 409 | PyModule_AddIntMacro(m, RLIMIT_RSS); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 410 | #endif |
| 411 | |
| 412 | #ifdef RLIMIT_NPROC |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 413 | PyModule_AddIntMacro(m, RLIMIT_NPROC); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 414 | #endif |
| 415 | |
| 416 | #ifdef RLIMIT_MEMLOCK |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 417 | PyModule_AddIntMacro(m, RLIMIT_MEMLOCK); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 418 | #endif |
| 419 | |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 420 | #ifdef RLIMIT_SBSIZE |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 421 | PyModule_AddIntMacro(m, RLIMIT_SBSIZE); |
Thomas Wouters | 89f507f | 2006-12-13 04:49:30 +0000 | [diff] [blame] | 422 | #endif |
| 423 | |
Christian Heimes | 6fc79bf | 2013-10-22 11:09:27 +0200 | [diff] [blame] | 424 | /* Linux specific */ |
| 425 | #ifdef RLIMIT_MSGQUEUE |
| 426 | PyModule_AddIntMacro(m, RLIMIT_MSGQUEUE); |
| 427 | #endif |
| 428 | |
| 429 | #ifdef RLIMIT_NICE |
| 430 | PyModule_AddIntMacro(m, RLIMIT_NICE); |
| 431 | #endif |
| 432 | |
| 433 | #ifdef RLIMIT_RTPRIO |
| 434 | PyModule_AddIntMacro(m, RLIMIT_RTPRIO); |
| 435 | #endif |
| 436 | |
| 437 | #ifdef RLIMIT_RTTIME |
| 438 | PyModule_AddIntMacro(m, RLIMIT_RTTIME); |
| 439 | #endif |
| 440 | |
| 441 | #ifdef RLIMIT_SIGPENDING |
| 442 | PyModule_AddIntMacro(m, RLIMIT_SIGPENDING); |
| 443 | #endif |
| 444 | |
| 445 | /* target */ |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 446 | #ifdef RUSAGE_SELF |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 447 | PyModule_AddIntMacro(m, RUSAGE_SELF); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 448 | #endif |
| 449 | |
Guido van Rossum | ebd05eb | 1997-12-09 19:35:48 +0000 | [diff] [blame] | 450 | #ifdef RUSAGE_CHILDREN |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 451 | PyModule_AddIntMacro(m, RUSAGE_CHILDREN); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 452 | #endif |
| 453 | |
| 454 | #ifdef RUSAGE_BOTH |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 455 | PyModule_AddIntMacro(m, RUSAGE_BOTH); |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 456 | #endif |
Neil Schemenauer | 29ac3cb | 2002-03-24 22:27:39 +0000 | [diff] [blame] | 457 | |
Antoine Pitrou | b6d4ee5 | 2010-11-17 16:19:35 +0000 | [diff] [blame] | 458 | #ifdef RUSAGE_THREAD |
Charles-Francois Natali | 74ca886 | 2013-05-20 19:13:19 +0200 | [diff] [blame] | 459 | PyModule_AddIntMacro(m, RUSAGE_THREAD); |
Antoine Pitrou | b6d4ee5 | 2010-11-17 16:19:35 +0000 | [diff] [blame] | 460 | #endif |
| 461 | |
Christian Heimes | 5bb414d | 2013-12-08 14:35:55 +0100 | [diff] [blame] | 462 | /* FreeBSD specific */ |
| 463 | |
| 464 | #ifdef RLIMIT_SWAP |
| 465 | PyModule_AddIntMacro(m, RLIMIT_SWAP); |
| 466 | #endif |
| 467 | |
| 468 | #ifdef RLIMIT_SBSIZE |
| 469 | PyModule_AddIntMacro(m, RLIMIT_SBSIZE); |
| 470 | #endif |
| 471 | |
| 472 | #ifdef RLIMIT_NPTS |
| 473 | PyModule_AddIntMacro(m, RLIMIT_NPTS); |
| 474 | #endif |
| 475 | |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 476 | if (sizeof(RLIM_INFINITY) > sizeof(long)) { |
Benjamin Peterson | af580df | 2016-09-06 10:46:49 -0700 | [diff] [blame] | 477 | v = PyLong_FromLongLong((long long) RLIM_INFINITY); |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 478 | } else |
Antoine Pitrou | f95a1b3 | 2010-05-09 15:52:27 +0000 | [diff] [blame] | 479 | { |
| 480 | v = PyLong_FromLong((long) RLIM_INFINITY); |
| 481 | } |
| 482 | if (v) { |
| 483 | PyModule_AddObject(m, "RLIM_INFINITY", v); |
| 484 | } |
| 485 | initialized = 1; |
| 486 | return m; |
Guido van Rossum | 2e63139 | 1996-12-18 18:37:27 +0000 | [diff] [blame] | 487 | } |