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comparison src/share/vm/utilities/vmError.cpp @ 10208:9ce110b1d14a

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Merge
author kvn
date Thu, 02 May 2013 18:50:05 -0700
parents 746b070f5022 e12c9b3740db
children 836a62f43af9 068b406e307f
comparison
equal deleted inserted replaced
10194:cbd4ce58f1f3 10208:9ce110b1d14a
797 } 797 }
798 798
799 VMError* volatile VMError::first_error = NULL; 799 VMError* volatile VMError::first_error = NULL;
800 volatile jlong VMError::first_error_tid = -1; 800 volatile jlong VMError::first_error_tid = -1;
801 801
802 /** Expand a pattern into a buffer starting at pos and open a file using constructed path */
803 static int expand_and_open(const char* pattern, char* buf, size_t buflen, size_t pos) {
804 int fd = -1;
805 if (Arguments::copy_expand_pid(pattern, strlen(pattern), &buf[pos], buflen - pos)) {
806 fd = open(buf, O_RDWR | O_CREAT | O_TRUNC, 0666);
807 }
808 return fd;
809 }
810
811 /**
812 * Construct file name for a log file and return it's file descriptor.
813 * Name and location depends on pattern, default_pattern params and access
814 * permissions.
815 */
816 static int prepare_log_file(const char* pattern, const char* default_pattern, char* buf, size_t buflen) {
817 int fd = -1;
818
819 // If possible, use specified pattern to construct log file name
820 if (pattern != NULL) {
821 fd = expand_and_open(pattern, buf, buflen, 0);
822 }
823
824 // Either user didn't specify, or the user's location failed,
825 // so use the default name in the current directory
826 if (fd == -1) {
827 const char* cwd = os::get_current_directory(buf, buflen);
828 if (cwd != NULL) {
829 size_t pos = strlen(cwd);
830 int fsep_len = jio_snprintf(&buf[pos], buflen-pos, "%s", os::file_separator());
831 pos += fsep_len;
832 if (fsep_len > 0) {
833 fd = expand_and_open(default_pattern, buf, buflen, pos);
834 }
835 }
836 }
837
838 // try temp directory if it exists.
839 if (fd == -1) {
840 const char* tmpdir = os::get_temp_directory();
841 if (tmpdir != NULL && strlen(tmpdir) > 0) {
842 int pos = jio_snprintf(buf, buflen, "%s%s", tmpdir, os::file_separator());
843 if (pos > 0) {
844 fd = expand_and_open(default_pattern, buf, buflen, pos);
845 }
846 }
847 }
848
849 return fd;
850 }
851
802 void VMError::report_and_die() { 852 void VMError::report_and_die() {
803 // Don't allocate large buffer on stack 853 // Don't allocate large buffer on stack
804 static char buffer[O_BUFLEN]; 854 static char buffer[O_BUFLEN];
805 855
806 // An error could happen before tty is initialized or after it has been 856 // An error could happen before tty is initialized or after it has been
906 first_error->_verbose = true; 956 first_error->_verbose = true;
907 957
908 // see if log file is already open 958 // see if log file is already open
909 if (!log.is_open()) { 959 if (!log.is_open()) {
910 // open log file 960 // open log file
911 int fd = -1; 961 int fd = prepare_log_file(ErrorFile, "hs_err_pid%p.log", buffer, sizeof(buffer));
912
913 if (ErrorFile != NULL) {
914 bool copy_ok =
915 Arguments::copy_expand_pid(ErrorFile, strlen(ErrorFile), buffer, sizeof(buffer));
916 if (copy_ok) {
917 fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666);
918 }
919 }
920
921 if (fd == -1) {
922 const char *cwd = os::get_current_directory(buffer, sizeof(buffer));
923 size_t len = strlen(cwd);
924 // either user didn't specify, or the user's location failed,
925 // so use the default name in the current directory
926 jio_snprintf(&buffer[len], sizeof(buffer)-len, "%shs_err_pid%u.log",
927 os::file_separator(), os::current_process_id());
928 fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666);
929 }
930
931 if (fd == -1) {
932 const char * tmpdir = os::get_temp_directory();
933 // try temp directory if it exists.
934 if (tmpdir != NULL && tmpdir[0] != '\0') {
935 jio_snprintf(buffer, sizeof(buffer), "%s%shs_err_pid%u.log",
936 tmpdir, os::file_separator(), os::current_process_id());
937 fd = open(buffer, O_RDWR | O_CREAT | O_TRUNC, 0666);
938 }
939 }
940
941 if (fd != -1) { 962 if (fd != -1) {
942 out.print_raw("# An error report file with more information is saved as:\n# "); 963 out.print_raw("# An error report file with more information is saved as:\n# ");
943 out.print_raw_cr(buffer); 964 out.print_raw_cr(buffer);
944 os::set_error_file(buffer); 965 os::set_error_file(buffer);
945 966
959 first_error->_current_step_info = ""; // reset current_step string 980 first_error->_current_step_info = ""; // reset current_step string
960 981
961 // Run error reporting to determine whether or not to report the crash. 982 // Run error reporting to determine whether or not to report the crash.
962 if (!transmit_report_done && should_report_bug(first_error->_id)) { 983 if (!transmit_report_done && should_report_bug(first_error->_id)) {
963 transmit_report_done = true; 984 transmit_report_done = true;
964 FILE* hs_err = ::fdopen(log.fd(), "r"); 985 FILE* hs_err = os::open(log.fd(), "r");
965 if (NULL != hs_err) { 986 if (NULL != hs_err) {
966 ErrorReporter er; 987 ErrorReporter er;
967 er.call(hs_err, buffer, O_BUFLEN); 988 er.call(hs_err, buffer, O_BUFLEN);
968 } 989 }
969 } 990 }
1009 static bool skip_replay = false; 1030 static bool skip_replay = false;
1010 if (DumpReplayDataOnError && _thread && _thread->is_Compiler_thread() && !skip_replay) { 1031 if (DumpReplayDataOnError && _thread && _thread->is_Compiler_thread() && !skip_replay) {
1011 skip_replay = true; 1032 skip_replay = true;
1012 ciEnv* env = ciEnv::current(); 1033 ciEnv* env = ciEnv::current();
1013 if (env != NULL) { 1034 if (env != NULL) {
1014 env->dump_replay_data(); 1035 int fd = prepare_log_file(ReplayDataFile, "replay_pid%p.log", buffer, sizeof(buffer));
1036 if (fd != -1) {
1037 FILE* replay_data_file = os::open(fd, "w");
1038 if (replay_data_file != NULL) {
1039 fileStream replay_data_stream(replay_data_file, /*need_close=*/true);
1040 env->dump_replay_data(&replay_data_stream);
1041 out.print_raw("#\n# Compiler replay data is saved as:\n# ");
1042 out.print_raw_cr(buffer);
1043 } else {
1044 out.print_raw("#\n# Can't open file to dump replay data. Error: ");
1045 out.print_raw_cr(strerror(os::get_last_error()));
1046 }
1047 }
1015 } 1048 }
1016 } 1049 }
1017 1050
1018 static bool skip_bug_url = !should_report_bug(first_error->_id); 1051 static bool skip_bug_url = !should_report_bug(first_error->_id);
1019 if (!skip_bug_url) { 1052 if (!skip_bug_url) {