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fix broken sysconf when correct value is -1
[musl]
/
src
/
mman
/
posix_madvise.c
diff --git
a/src/mman/posix_madvise.c
b/src/mman/posix_madvise.c
index
4727ad7
..
e5e5acb
100644
(file)
--- a/
src/mman/posix_madvise.c
+++ b/
src/mman/posix_madvise.c
@@
-1,6
+1,9
@@
+#define _GNU_SOURCE
#include <sys/mman.h>
+#include "syscall.h"
int posix_madvise(void *addr, size_t len, int advice)
{
- return 0;
+ if (advice == MADV_DONTNEED) return 0;
+ return -__syscall(SYS_madvise, addr, len, advice);
}