8036128: Remove deprecated VM flag UseVMInterruptibleIO

Reviewed-by: acorn, dholmes, dcubed, coleenp
This commit is contained in:
Frederic Parain 2014-03-14 12:02:54 +00:00
parent ce25911489
commit 2655375438
9 changed files with 70 additions and 285 deletions

View file

@ -111,104 +111,7 @@ inline int os::closedir(DIR *dirp) {
//////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////////
// macros for interruptible io and system calls and system call restarting
#define _INTERRUPTIBLE(_setup, _cmd, _result, _thread, _clear, _before, _after, _int_enable) \
do { \
_setup; \
_before; \
OSThread* _osthread = _thread->osthread(); \
if (_int_enable && _thread->has_last_Java_frame()) { \
/* this is java interruptible io stuff */ \
if (os::is_interrupted(_thread, _clear)) { \
os::Solaris::bump_interrupted_before_count(); \
_result = OS_INTRPT; \
} else { \
/* _cmd always expands to an assignment to _result */ \
if ((_cmd) < 0 && errno == EINTR \
&& os::is_interrupted(_thread, _clear)) { \
os::Solaris::bump_interrupted_during_count(); \
_result = OS_INTRPT; \
} \
} \
} else { \
/* this is normal blocking io stuff */ \
_cmd; \
} \
_after; \
} while(false)
// Interruptible io support + restarting of interrupted system calls
#ifndef ASSERT
#define INTERRUPTIBLE(_cmd, _result, _clear) do { \
_INTERRUPTIBLE( JavaThread* _thread = (JavaThread*)ThreadLocalStorage::thread(),_result = _cmd, _result, _thread, _clear, , , UseVMInterruptibleIO); \
} while((_result == OS_ERR) && (errno == EINTR))
#else
// This adds an assertion that it is only called from thread_in_native
// The call overhead is skipped for performance in product mode
#define INTERRUPTIBLE(_cmd, _result, _clear) do { \
_INTERRUPTIBLE(JavaThread* _thread = os::Solaris::setup_interruptible_native(), _result = _cmd, _result, _thread, _clear, , os::Solaris::cleanup_interruptible_native(_thread), UseVMInterruptibleIO ); \
} while((_result == OS_ERR) && (errno == EINTR))
#endif
// Used for calls from _thread_in_vm, not from _thread_in_native
#define INTERRUPTIBLE_VM(_cmd, _result, _clear) do { \
_INTERRUPTIBLE(JavaThread* _thread = os::Solaris::setup_interruptible(), _result = _cmd, _result, _thread, _clear, , os::Solaris::cleanup_interruptible(_thread), UseVMInterruptibleIO ); \
} while((_result == OS_ERR) && (errno == EINTR))
/* Use NORESTART when the system call cannot return EINTR, when something other
than a system call is being invoked, or when the caller must do EINTR
handling. */
#ifndef ASSERT
#define INTERRUPTIBLE_NORESTART(_cmd, _result, _clear) \
_INTERRUPTIBLE( JavaThread* _thread = (JavaThread*)ThreadLocalStorage::thread(),_result = _cmd, _result, _thread, _clear, , , UseVMInterruptibleIO)
#else
// This adds an assertion that it is only called from thread_in_native
// The call overhead is skipped for performance in product mode
#define INTERRUPTIBLE_NORESTART(_cmd, _result, _clear) \
_INTERRUPTIBLE(JavaThread* _thread = os::Solaris::setup_interruptible_native(), _result = _cmd, _result, _thread, _clear, , os::Solaris::cleanup_interruptible_native(_thread), UseVMInterruptibleIO )
#endif
// Don't attend to UseVMInterruptibleIO. Always allow interruption.
// Also assumes that it is called from the _thread_blocked state.
// Used by os_sleep().
#define INTERRUPTIBLE_NORESTART_VM_ALWAYS(_cmd, _result, _thread, _clear) \
_INTERRUPTIBLE(os::Solaris::setup_interruptible_already_blocked(_thread), _result = _cmd, _result, _thread, _clear, , , true )
#define INTERRUPTIBLE_RETURN_INT(_cmd, _clear) do { \
int _result; \
do { \
INTERRUPTIBLE(_cmd, _result, _clear); \
} while((_result == OS_ERR) && (errno == EINTR)); \
return _result; \
} while(false)
#define INTERRUPTIBLE_RETURN_INT_VM(_cmd, _clear) do { \
int _result; \
do { \
INTERRUPTIBLE_VM(_cmd, _result, _clear); \
} while((_result == OS_ERR) && (errno == EINTR)); \
return _result; \
} while(false)
#define INTERRUPTIBLE_RETURN_INT_NORESTART(_cmd, _clear) do { \
int _result; \
INTERRUPTIBLE_NORESTART(_cmd, _result, _clear); \
return _result; \
} while(false)
/* Use the RESTARTABLE macros when interruptible io is not needed */
// macros for restartable system calls
#define RESTARTABLE(_cmd, _result) do { \
do { \