diff options
Diffstat (limited to 'src/pkg/runtime/chan.c')
| -rw-r--r-- | src/pkg/runtime/chan.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/pkg/runtime/chan.c b/src/pkg/runtime/chan.c index bea1a34f8..ef27144ef 100644 --- a/src/pkg/runtime/chan.c +++ b/src/pkg/runtime/chan.c @@ -586,6 +586,10 @@ newselect(int32 size, Select **selp) if(size > 1) n = size-1; + // allocate all the memory we need in a single allocation + // start with Select with size cases + // then lockorder with size entries + // then pollorder with size entries sel = runtime·mal(sizeof(*sel) + n*sizeof(sel->scase[0]) + size*sizeof(sel->lockorder[0]) + @@ -593,8 +597,8 @@ newselect(int32 size, Select **selp) sel->tcase = size; sel->ncase = 0; - sel->pollorder = (void*)(sel->scase + size); - sel->lockorder = (void*)(sel->pollorder + size); + sel->lockorder = (void*)(sel->scase + size); + sel->pollorder = (void*)(sel->lockorder + size); *selp = sel; if(debug) |