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author | Ben Gamari <ben@smart-cactus.org> | 2022-11-09 12:39:47 -0500 |
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committer | Marge Bot <ben+marge-bot@smart-cactus.org> | 2022-12-16 16:12:44 -0500 |
commit | 70999283156f527c5aea6dee57a3d14989a9903a (patch) | |
tree | 50a7d056523d831e4df2202911b78ebb5c92a9af /rts/posix/Signals.c | |
parent | 99269b9fd817262a686867383bf0fe88fdc64fb0 (diff) | |
download | haskell-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.c | 2 |
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); |