1 /* |
1 /* |
2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. |
2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
4 * |
4 * |
5 * This code is free software; you can redistribute it and/or modify it |
5 * This code is free software; you can redistribute it and/or modify it |
6 * under the terms of the GNU General Public License version 2 only, as |
6 * under the terms of the GNU General Public License version 2 only, as |
7 * published by the Free Software Foundation. |
7 * published by the Free Software Foundation. |
163 getrlimit(RLIMIT_CORE, &rlim); |
163 getrlimit(RLIMIT_CORE, &rlim); |
164 if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity"); |
164 if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity"); |
165 else st->print("%uk", rlim.rlim_cur >> 10); |
165 else st->print("%uk", rlim.rlim_cur >> 10); |
166 |
166 |
167 // Isn't there on solaris |
167 // Isn't there on solaris |
168 #if! defined(TARGET_OS_FAMILY_solaris) && !defined(TARGET_OS_FAMILY_aix) |
168 #if !defined(TARGET_OS_FAMILY_solaris) && !defined(TARGET_OS_FAMILY_aix) |
169 st->print(", NPROC "); |
169 st->print(", NPROC "); |
170 getrlimit(RLIMIT_NPROC, &rlim); |
170 getrlimit(RLIMIT_NPROC, &rlim); |
171 if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity"); |
171 if (rlim.rlim_cur == RLIM_INFINITY) st->print("infinity"); |
172 else st->print("%d", rlim.rlim_cur); |
172 else st->print("%d", rlim.rlim_cur); |
173 #endif |
173 #endif |
266 |
266 |
267 FILE* os::open(int fd, const char* mode) { |
267 FILE* os::open(int fd, const char* mode) { |
268 return ::fdopen(fd, mode); |
268 return ::fdopen(fd, mode); |
269 } |
269 } |
270 |
270 |
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271 void* os::get_default_process_handle() { |
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272 return (void*)::dlopen(NULL, RTLD_LAZY); |
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273 } |
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274 |
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275 // Builds a platform dependent Agent_OnLoad_<lib_name> function name |
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276 // which is used to find statically linked in agents. |
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277 // Parameters: |
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278 // sym_name: Symbol in library we are looking for |
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279 // lib_name: Name of library to look in, NULL for shared libs. |
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280 // is_absolute_path == true if lib_name is absolute path to agent |
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281 // such as "/a/b/libL.so" |
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282 // == false if only the base name of the library is passed in |
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283 // such as "L" |
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284 char* os::build_agent_function_name(const char *sym_name, const char *lib_name, |
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285 bool is_absolute_path) { |
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286 char *agent_entry_name; |
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287 size_t len; |
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288 size_t name_len; |
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289 size_t prefix_len = strlen(JNI_LIB_PREFIX); |
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290 size_t suffix_len = strlen(JNI_LIB_SUFFIX); |
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291 const char *start; |
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292 |
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293 if (lib_name != NULL) { |
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294 len = name_len = strlen(lib_name); |
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295 if (is_absolute_path) { |
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296 // Need to strip path, prefix and suffix |
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297 if ((start = strrchr(lib_name, *os::file_separator())) != NULL) { |
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298 lib_name = ++start; |
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299 } |
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300 if (len <= (prefix_len + suffix_len)) { |
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301 return NULL; |
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302 } |
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303 lib_name += prefix_len; |
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304 name_len = strlen(lib_name) - suffix_len; |
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305 } |
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306 } |
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307 len = (lib_name != NULL ? name_len : 0) + strlen(sym_name) + 2; |
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308 agent_entry_name = NEW_C_HEAP_ARRAY_RETURN_NULL(char, len, mtThread); |
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309 if (agent_entry_name == NULL) { |
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310 return NULL; |
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311 } |
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312 strcpy(agent_entry_name, sym_name); |
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313 if (lib_name != NULL) { |
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314 strcat(agent_entry_name, "_"); |
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315 strncat(agent_entry_name, lib_name, name_len); |
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316 } |
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317 return agent_entry_name; |
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318 } |
271 |
319 |
272 // Returned string is a constant. For unknown signals "UNKNOWN" is returned. |
320 // Returned string is a constant. For unknown signals "UNKNOWN" is returned. |
273 const char* os::Posix::get_signal_name(int sig, char* out, size_t outlen) { |
321 const char* os::Posix::get_signal_name(int sig, char* out, size_t outlen) { |
274 |
322 |
275 static const struct { |
323 static const struct { |