Mercurial > hg > graal-compiler
comparison src/share/vm/runtime/thread.cpp @ 979:87770dcf831b
6876794: 4/4 sp07t002 hangs very intermittently
Summary: remove over locking by VMThread on "is thread suspended?" check
Reviewed-by: dholmes, acorn, andrew
| author | dcubed |
|---|---|
| date | Tue, 22 Sep 2009 21:12:37 -0600 |
| parents | bd02caa94611 |
| children | 46b819ba120b |
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| 978:d72ba3205918 | 979:87770dcf831b |
|---|---|
| 1940 (is_Java_thread() && !((JavaThread*)this)->has_last_Java_frame()), | 1940 (is_Java_thread() && !((JavaThread*)this)->has_last_Java_frame()), |
| 1941 "must have walkable stack"); | 1941 "must have walkable stack"); |
| 1942 | 1942 |
| 1943 MutexLockerEx ml(SR_lock(), Mutex::_no_safepoint_check_flag); | 1943 MutexLockerEx ml(SR_lock(), Mutex::_no_safepoint_check_flag); |
| 1944 | 1944 |
| 1945 assert(!this->is_any_suspended(), | 1945 assert(!this->is_ext_suspended(), |
| 1946 "a thread trying to self-suspend should not already be suspended"); | 1946 "a thread trying to self-suspend should not already be suspended"); |
| 1947 | 1947 |
| 1948 if (this->is_suspend_equivalent()) { | 1948 if (this->is_suspend_equivalent()) { |
| 1949 // If we are self-suspending as a result of the lifting of a | 1949 // If we are self-suspending as a result of the lifting of a |
| 1950 // suspend equivalent condition, then the suspend_equivalent | 1950 // suspend equivalent condition, then the suspend_equivalent |