16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "prims/jvm.h" 26 #include "runtime/os.hpp" 27 #include "utilities/vmError.hpp" 28 29 #include <unistd.h> 30 #include <sys/resource.h> 31 #include <sys/utsname.h> 32 33 34 // Check core dump limit and report possible place where core can be found 35 void os::check_or_create_dump(void* exceptionRecord, void* contextRecord, char* buffer, size_t bufferSize) { 36 struct rlimit rlim; 37 static char cwd[O_BUFLEN]; 38 bool success; 39 40 get_current_directory(cwd, sizeof(cwd)); 41 42 if (getrlimit(RLIMIT_CORE, &rlim) != 0) { 43 jio_snprintf(buffer, bufferSize, "%s/core or core.%d (may not exist)", cwd, current_process_id()); 44 success = true; 45 } else { 46 switch(rlim.rlim_cur) { 47 case RLIM_INFINITY: 48 jio_snprintf(buffer, bufferSize, "%s/core or core.%d", cwd, current_process_id()); 49 success = true; 50 break; 51 case 0: 52 jio_snprintf(buffer, bufferSize, "Core dumps have been disabled. To enable core dumping, try \"ulimit -c unlimited\" before starting Java again"); 53 success = false; 54 break; 55 default: 56 jio_snprintf(buffer, bufferSize, "%s/core or core.%d (max size %lu kB). To ensure a full core dump, try \"ulimit -c unlimited\" before starting Java again", cwd, current_process_id(), (unsigned long)(rlim.rlim_cur >> 10)); 57 success = true; 58 break; 59 } 60 } 61 VMError::report_coredump_status(buffer, success); 62 } 63 64 int os::get_last_error() { 65 return errno; 66 } 67 68 bool os::is_debugger_attached() { 69 // not implemented 70 return false; 71 } 72 73 void os::wait_for_keypress_at_exit(void) { 74 // don't do anything on posix platforms 75 return; 76 } | 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 * 23 */ 24 25 #include "prims/jvm.h" 26 #include "runtime/os.hpp" 27 #include "utilities/vmError.hpp" 28 29 #include <unistd.h> 30 #include <sys/resource.h> 31 #include <sys/utsname.h> 32 33 34 // Check core dump limit and report possible place where core can be found 35 void os::check_or_create_dump(void* exceptionRecord, void* contextRecord, char* buffer, size_t bufferSize) { 36 int n; 37 struct rlimit rlim; 38 bool success; 39 40 n = get_core_path(buffer, bufferSize); 41 42 if (getrlimit(RLIMIT_CORE, &rlim) != 0) { 43 jio_snprintf(buffer + n, bufferSize - n, "/core or core.%d (may not exist)", current_process_id()); 44 success = true; 45 } else { 46 switch(rlim.rlim_cur) { 47 case RLIM_INFINITY: 48 jio_snprintf(buffer + n, bufferSize - n, "/core or core.%d", current_process_id()); 49 success = true; 50 break; 51 case 0: 52 jio_snprintf(buffer, bufferSize, "Core dumps have been disabled. To enable core dumping, try \"ulimit -c unlimited\" before starting Java again"); 53 success = false; 54 break; 55 default: 56 jio_snprintf(buffer + n, bufferSize - n, "/core or core.%d (max size %lu kB). To ensure a full core dump, try \"ulimit -c unlimited\" before starting Java again", current_process_id(), (unsigned long)(rlim.rlim_cur >> 10)); 57 success = true; 58 break; 59 } 60 } 61 VMError::report_coredump_status(buffer, success); 62 } 63 64 int os::get_last_error() { 65 return errno; 66 } 67 68 bool os::is_debugger_attached() { 69 // not implemented 70 return false; 71 } 72 73 void os::wait_for_keypress_at_exit(void) { 74 // don't do anything on posix platforms 75 return; 76 } |