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authorBen Gamari <ben@smart-cactus.org>2022-11-09 12:39:47 -0500
committerMarge Bot <ben+marge-bot@smart-cactus.org>2022-12-16 16:12:44 -0500
commit70999283156f527c5aea6dee57a3d14989a9903a (patch)
tree50a7d056523d831e4df2202911b78ebb5c92a9af /rts/Proftimer.c
parent99269b9fd817262a686867383bf0fe88fdc64fb0 (diff)
downloadhaskell-70999283156f527c5aea6dee57a3d14989a9903a.tar.gz
rts: Introduce getNumCapabilities
And ensure accesses to n_capabilities are atomic (although with relaxed ordering). This is necessary as RTS API callers may concurrently call into the RTS without holding a capability.
Diffstat (limited to 'rts/Proftimer.c')
-rw-r--r--rts/Proftimer.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/rts/Proftimer.c b/rts/Proftimer.c
index 7bc5e865b4..6717731a6b 100644
--- a/rts/Proftimer.c
+++ b/rts/Proftimer.c
@@ -117,7 +117,7 @@ handleProfTick(void)
total_ticks++;
if (RELAXED_LOAD(&do_prof_ticks)) {
uint32_t n;
- for (n=0; n < n_capabilities; n++) {
+ for (n=0; n < getNumCapabilities(); n++) {
capabilities[n]->r.rCCCS->time_ticks++;
traceProfSampleCostCentre(capabilities[n], capabilities[n]->r.rCCCS, total_ticks);
}