[PATCH 1/2] mlock incorrectly marked as broken on FreeBSD
Ruben Kerkhof
ruben at rubenkerkhof.com
Thu Aug 11 16:08:34 CEST 2016
On FreeBSD, if there are not enough free pages, mlock() can return
EAGAIN, as documented in mlock(2). That doesn't mean that mlock is
broken. I suspect this same issue also exists on the other BSD's.
---
acinclude.m4 | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/acinclude.m4 b/acinclude.m4
index 96be833..dcdadfd 100644
--- a/acinclude.m4
+++ b/acinclude.m4
@@ -242,7 +242,7 @@ int main()
pool += (pgsize - ((long int)pool % pgsize));
err = mlock( pool, 4096 );
- if( !err || errno == EPERM )
+ if( !err || errno == EPERM || errno == EAGAIN)
return 0; /* okay */
return 1; /* hmmm */
--
2.9.2
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