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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/posix/Signals.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/posix/Signals.c')
-rw-r--r--rts/posix/Signals.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/rts/posix/Signals.c b/rts/posix/Signals.c
index 7d58f3d7a2..8c29564ace 100644
--- a/rts/posix/Signals.c
+++ b/rts/posix/Signals.c
@@ -202,7 +202,7 @@ ioManagerDie (void)
{
// Shut down IO managers
- for (i=0; i < n_capabilities; i++) {
+ for (i=0; i < getNumCapabilities(); i++) {
const int fd = RELAXED_LOAD(&capabilities[i]->iomgr->control_fd);
if (0 <= fd) {
r = write(fd, &byte, 1);