5525 char filename[MAX_PATH];
5526 if (PauseAtStartupFile && PauseAtStartupFile[0]) {
5527 jio_snprintf(filename, MAX_PATH, PauseAtStartupFile);
5528 } else {
5529 jio_snprintf(filename, MAX_PATH, "./vm.paused.%d", current_process_id());
5530 }
5531
5532 int fd = ::open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0666);
5533 if (fd != -1) {
5534 struct stat buf;
5535 ::close(fd);
5536 while (::stat(filename, &buf) == 0) {
5537 (void)::poll(NULL, 0, 100);
5538 }
5539 } else {
5540 jio_fprintf(stderr,
5541 "Could not open pause file '%s', continuing immediately.\n", filename);
5542 }
5543 }
5544
5545 #ifndef PRODUCT
5546 #ifdef INTERPOSE_ON_SYSTEM_SYNCH_FUNCTIONS
5547 // Turn this on if you need to trace synch operations.
5548 // Set RECORD_SYNCH_LIMIT to a large-enough value,
5549 // and call record_synch_enable and record_synch_disable
5550 // around the computation of interest.
5551
5552 void record_synch(char* name, bool returning); // defined below
5553
5554 class RecordSynch {
5555 char* _name;
5556 public:
5557 RecordSynch(char* name) :_name(name)
5558 { record_synch(_name, false); }
5559 ~RecordSynch() { record_synch(_name, true); }
5560 };
5561
5562 #define CHECK_SYNCH_OP(ret, name, params, args, inner) \
5563 extern "C" ret name params { \
5564 typedef ret name##_t params; \
|
5525 char filename[MAX_PATH];
5526 if (PauseAtStartupFile && PauseAtStartupFile[0]) {
5527 jio_snprintf(filename, MAX_PATH, PauseAtStartupFile);
5528 } else {
5529 jio_snprintf(filename, MAX_PATH, "./vm.paused.%d", current_process_id());
5530 }
5531
5532 int fd = ::open(filename, O_WRONLY | O_CREAT | O_TRUNC, 0666);
5533 if (fd != -1) {
5534 struct stat buf;
5535 ::close(fd);
5536 while (::stat(filename, &buf) == 0) {
5537 (void)::poll(NULL, 0, 100);
5538 }
5539 } else {
5540 jio_fprintf(stderr,
5541 "Could not open pause file '%s', continuing immediately.\n", filename);
5542 }
5543 }
5544
5545 void os::deallocate_pages() {
5546 // Unimplemented.
5547 }
5548
5549 #ifndef PRODUCT
5550 #ifdef INTERPOSE_ON_SYSTEM_SYNCH_FUNCTIONS
5551 // Turn this on if you need to trace synch operations.
5552 // Set RECORD_SYNCH_LIMIT to a large-enough value,
5553 // and call record_synch_enable and record_synch_disable
5554 // around the computation of interest.
5555
5556 void record_synch(char* name, bool returning); // defined below
5557
5558 class RecordSynch {
5559 char* _name;
5560 public:
5561 RecordSynch(char* name) :_name(name)
5562 { record_synch(_name, false); }
5563 ~RecordSynch() { record_synch(_name, true); }
5564 };
5565
5566 #define CHECK_SYNCH_OP(ret, name, params, args, inner) \
5567 extern "C" ret name params { \
5568 typedef ret name##_t params; \
|