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| author | Rick Reed <[email protected]> | 2012-03-16 10:14:32 -0700 |
|---|---|---|
| committer | Sverker Eriksson <[email protected]> | 2012-06-18 11:39:42 +0200 |
| commit | 0ed14ae2c365bc7f37442902e389f4f75f44aa94 (patch) | |
| tree | a0df351561c362ebb37d0541bba3d6215cb036ee /erts/emulator/sys/common/erl_check_io.c | |
| parent | ea31957b8c32dda844ecf690878687996830bb84 (diff) | |
| download | otp-0ed14ae2c365bc7f37442902e389f4f75f44aa94.tar.gz otp-0ed14ae2c365bc7f37442902e389f4f75f44aa94.tar.bz2 otp-0ed14ae2c365bc7f37442902e389f4f75f44aa94.zip | |
Make allocation of check_io tables more scalable.
Diffstat (limited to 'erts/emulator/sys/common/erl_check_io.c')
| -rw-r--r-- | erts/emulator/sys/common/erl_check_io.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/erts/emulator/sys/common/erl_check_io.c b/erts/emulator/sys/common/erl_check_io.c index c1336c60d9..81ac423a1d 100644 --- a/erts/emulator/sys/common/erl_check_io.c +++ b/erts/emulator/sys/common/erl_check_io.c @@ -39,7 +39,6 @@ #include "dtrace-wrapper.h" #ifdef ERTS_SYS_CONTINOUS_FD_NUMBERS -# define ERTS_DRV_EV_STATE_EXTRA_SIZE 128 #else # include "safe_hash.h" # define DRV_EV_STATE_HTAB_SIZE 1024 @@ -334,12 +333,14 @@ static void grow_drv_ev_state(int min_ix) { int i; - int new_len = min_ix + 1 + ERTS_DRV_EV_STATE_EXTRA_SIZE; + int new_len; + + new_len = ERTS_POLL_EXPORT(erts_poll_get_table_len)(min_ix + 1); if (new_len > max_fds) new_len = max_fds; erts_smp_mtx_lock(&drv_ev_state_grow_lock); - if (erts_smp_atomic_read_nob(&drv_ev_state_len) <= min_ix) { + if (erts_smp_atomic_read_nob(&drv_ev_state_len) <= new_len) { for (i=0; i<DRV_EV_STATE_LOCK_CNT; i++) { /* lock all fd's */ erts_smp_mtx_lock(&drv_ev_state_locks[i].lck); } |