From: Markos Chandras <markos.chand...@imgtec.com>
Signed-off-by: Markos Chandras <markos.chand...@imgtec.com>
---
libc/sysdeps/linux/common/open.c | 18 ++++++++++++++++++
1 file changed, 18 insertions(+)
diff --git a/libc/sysdeps/linux/common/open.c b/libc/sysdeps/linux/common/open.c
index a72e84d..1ee5c66 100644
--- a/libc/sysdeps/linux/common/open.c
+++ b/libc/sysdeps/linux/common/open.c
@@ -12,6 +12,7 @@
#include <stdarg.h>
#include <cancel.h>
+#if defined(__NR_open)
#define __NR___syscall_open __NR_open
static __always_inline _syscall3(int, __syscall_open, const char *, file,
int, flags, __kernel_mode_t, mode)
@@ -19,6 +20,10 @@ strong_alias_untyped(__syscall_open,__NC(open))
#define __NR___open2_nocancel __NR_open
_syscall2(int, __NC(open2), const char *, file, int, flags)
+#else
+int __open2_nocancel(const char *, int) __nonnull ((1)) attribute_hidden;
+int __open_nocancel(const char *, int, mode_t) __nonnull ((1))
attribute_hidden;
+#endif
int open(const char *file, int oflag, ...)
{
@@ -32,13 +37,26 @@ int open(const char *file, int oflag, ...)
}
if (SINGLE_THREAD_P)
+#if defined(__NR_open)
return __NC(open)(file, oflag, mode);
+#elif defined(__NR_openat)
+ return openat(AT_FDCWD, file, oflag, mode);
+#endif
+
#ifdef __NEW_THREADS
int oldtype = LIBC_CANCEL_ASYNC ();
+#if defined(__NR_open)
int result = __NC(open)(file, oflag, mode);
+#else
+ int result = openat(AT_FDCWD, file, oflag, mode);
+#endif
LIBC_CANCEL_RESET (oldtype);
return result;
#endif
}
lt_strong_alias(open)
lt_libc_hidden(open)
+#if !defined(__NR_open)
+strong_alias_untyped(open,__open2_nocancel)
+strong_alias_untyped(open,__open_nocancel)
+#endif
--
1.8.1.1
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