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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 13:54:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 13:54:38 +0000
commit8c1ab65c0f548d20b7f177bdb736daaf603340e1 (patch)
treedf55b7e75bf43f2bf500845b105afe3ac3a5157e /libc-top-half/musl/src/fcntl/posix_fadvise.c
parentInitial commit. (diff)
downloadwasi-libc-upstream/0.0_git20221206.8b7148f.tar.xz
wasi-libc-upstream/0.0_git20221206.8b7148f.zip
Adding upstream version 0.0~git20221206.8b7148f.upstream/0.0_git20221206.8b7148f
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'libc-top-half/musl/src/fcntl/posix_fadvise.c')
-rw-r--r--libc-top-half/musl/src/fcntl/posix_fadvise.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/libc-top-half/musl/src/fcntl/posix_fadvise.c b/libc-top-half/musl/src/fcntl/posix_fadvise.c
new file mode 100644
index 0000000..75b8e1a
--- /dev/null
+++ b/libc-top-half/musl/src/fcntl/posix_fadvise.c
@@ -0,0 +1,18 @@
+#include <fcntl.h>
+#include "syscall.h"
+
+int posix_fadvise(int fd, off_t base, off_t len, int advice)
+{
+#if defined(SYSCALL_FADVISE_6_ARG)
+ /* Some archs, at least arm and powerpc, have the syscall
+ * arguments reordered to avoid needing 7 argument registers
+ * due to 64-bit argument alignment. */
+ return -__syscall(SYS_fadvise, fd, advice,
+ __SYSCALL_LL_E(base), __SYSCALL_LL_E(len));
+#else
+ return -__syscall(SYS_fadvise, fd, __SYSCALL_LL_O(base),
+ __SYSCALL_LL_E(len), advice);
+#endif
+}
+
+weak_alias(posix_fadvise, posix_fadvise64);