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| author | Rickard Green <[email protected]> | 2011-05-13 14:27:41 +0200 |
|---|---|---|
| committer | Rickard Green <[email protected]> | 2011-05-13 14:27:41 +0200 |
| commit | 0c73cf3d305c4b033c6e1efa6ebd08796a1d8682 (patch) | |
| tree | 4aa3a5a40d8303f1f6f01cd90cee43857371db07 /erts/emulator/sys | |
| parent | 926795501b71ebf9ca4b22927021fa551549f9b0 (diff) | |
| parent | 139fa05489a6ba3e4384e6f20ea3f943741449d5 (diff) | |
| download | otp-0c73cf3d305c4b033c6e1efa6ebd08796a1d8682.tar.gz otp-0c73cf3d305c4b033c6e1efa6ebd08796a1d8682.tar.bz2 otp-0c73cf3d305c4b033c6e1efa6ebd08796a1d8682.zip | |
Merge branch 'rickard/barriers/OTP-9281' into dev
* rickard/barriers/OTP-9281:
Silence warnings
Fix build with hipe on amd64
Reduce number of atomic ops
Use 32-bit atomic for port snapshot
Remove pointless erts_ports_alive variable
Ensure quick break
Ensure that all rehashing information are seen when done
Ensure that stack updates are seen when stack is released
Add needed barriers for write_concurrency tables
Homogenize memory barriers on atomics
Diffstat (limited to 'erts/emulator/sys')
| -rw-r--r-- | erts/emulator/sys/common/erl_check_io.c | 5 | ||||
| -rw-r--r-- | erts/emulator/sys/common/erl_poll.c | 7 | ||||
| -rw-r--r-- | erts/emulator/sys/win32/erl_poll.c | 2 |
3 files changed, 11 insertions, 3 deletions
diff --git a/erts/emulator/sys/common/erl_check_io.c b/erts/emulator/sys/common/erl_check_io.c index 218bd79584..71b374527e 100644 --- a/erts/emulator/sys/common/erl_check_io.c +++ b/erts/emulator/sys/common/erl_check_io.c @@ -1137,6 +1137,11 @@ ERTS_CIO_EXPORT(erts_check_io)(int do_wait) restart: +#ifdef ERTS_BREAK_REQUESTED + if (ERTS_BREAK_REQUESTED) + erts_do_break_handling(); +#endif + /* Figure out timeout value */ if (do_wait) { erts_time_remaining(&wait_time); diff --git a/erts/emulator/sys/common/erl_poll.c b/erts/emulator/sys/common/erl_poll.c index 3ae5b8d747..f5c785d683 100644 --- a/erts/emulator/sys/common/erl_poll.c +++ b/erts/emulator/sys/common/erl_poll.c @@ -766,7 +766,7 @@ write_batch_buf(ErtsPollSet ps, ErtsPollBatchBuf *bbp) short filter; int fd = (int) ebuf[i].ident; - switch ((int) ebuf[i].udata) { + switch ((int) (long) ebuf[i].udata) { /* * Since we use a lazy update approach EV_DELETE will @@ -805,7 +805,7 @@ write_batch_buf(ErtsPollSet ps, ErtsPollBatchBuf *bbp) if (fd == (int) ebuf[j].ident) { ebuf[j].udata = (void *) ERTS_POLL_KQ_OP_HANDLED; if (!(ebuf[j].flags & EV_ERROR)) { - switch ((int) ebuf[j].udata) { + switch ((int) (long) ebuf[j].udata) { case ERTS_POLL_KQ_OP_ADD2_W: filter = EVFILT_WRITE; goto rm_add_fb; @@ -823,7 +823,8 @@ write_batch_buf(ErtsPollSet ps, ErtsPollBatchBuf *bbp) } } /* The other add succeded... */ - filter = (((int) ebuf[i].udata == ERTS_POLL_KQ_OP_ADD2_W) + filter = ((((int) (long) ebuf[i].udata) + == ERTS_POLL_KQ_OP_ADD2_W) ? EVFILT_READ : EVFILT_WRITE); rm_add_fb: diff --git a/erts/emulator/sys/win32/erl_poll.c b/erts/emulator/sys/win32/erl_poll.c index 7662f190ef..074e2e247f 100644 --- a/erts/emulator/sys/win32/erl_poll.c +++ b/erts/emulator/sys/win32/erl_poll.c @@ -693,6 +693,7 @@ static void *break_waiter(void *param) ResetEvent(harr[0]); erts_mtx_lock(&break_waiter_lock); erts_atomic32_set(&break_waiter_state,BREAK_WAITER_GOT_BREAK); + ERTS_THR_MEMORY_BARRIER; SetEvent(break_happened_event); erts_mtx_unlock(&break_waiter_lock); break; @@ -700,6 +701,7 @@ static void *break_waiter(void *param) ResetEvent(harr[1]); erts_mtx_lock(&break_waiter_lock); erts_atomic32_set(&break_waiter_state,BREAK_WAITER_GOT_HALT); + ERTS_THR_MEMORY_BARRIER; SetEvent(break_happened_event); erts_mtx_unlock(&break_waiter_lock); break; |