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add arm and sh bits/ptrace.h
[musl]
/
src
/
unistd
/
dup3.c
diff --git
a/src/unistd/dup3.c
b/src/unistd/dup3.c
index
1f7134b
..
f919f79
100644
(file)
--- a/
src/unistd/dup3.c
+++ b/
src/unistd/dup3.c
@@
-3,11
+3,11
@@
#include <errno.h>
#include <fcntl.h>
#include "syscall.h"
#include <errno.h>
#include <fcntl.h>
#include "syscall.h"
-#include "libc.h"
int __dup3(int old, int new, int flags)
{
int r;
int __dup3(int old, int new, int flags)
{
int r;
+#ifdef SYS_dup2
if (old==new) return __syscall_ret(-EINVAL);
if (flags & O_CLOEXEC) {
while ((r=__syscall(SYS_dup3, old, new, flags))==-EBUSY);
if (old==new) return __syscall_ret(-EINVAL);
if (flags & O_CLOEXEC) {
while ((r=__syscall(SYS_dup3, old, new, flags))==-EBUSY);
@@
-15,6
+15,9
@@
int __dup3(int old, int new, int flags)
}
while ((r=__syscall(SYS_dup2, old, new))==-EBUSY);
if (flags & O_CLOEXEC) __syscall(SYS_fcntl, new, F_SETFD, FD_CLOEXEC);
}
while ((r=__syscall(SYS_dup2, old, new))==-EBUSY);
if (flags & O_CLOEXEC) __syscall(SYS_fcntl, new, F_SETFD, FD_CLOEXEC);
+#else
+ while ((r=__syscall(SYS_dup3, old, new, flags))==-EBUSY);
+#endif
return __syscall_ret(r);
}
return __syscall_ret(r);
}