From b26fef8466ce0ddf4bd0695e09538117e16cf7d8 Mon Sep 17 00:00:00 2001 From: Nilay Vaish Date: Mon, 13 Apr 2015 17:33:57 -0500 Subject: sim: fix function for emulating dup() The function was using the host fd to obtain the fd object from the simulated process. --- src/sim/syscall_emul.cc | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-) (limited to 'src/sim/syscall_emul.cc') diff --git a/src/sim/syscall_emul.cc b/src/sim/syscall_emul.cc index bf7efe210..8f3d08cd7 100644 --- a/src/sim/syscall_emul.cc +++ b/src/sim/syscall_emul.cc @@ -594,13 +594,14 @@ SyscallReturn dupFunc(SyscallDesc *desc, int num, LiveProcess *process, ThreadContext *tc) { int index = 0; - int fd = process->sim_fd(process->getSyscallArg(tc, index)); - if (fd < 0) + int tgt_fd = process->getSyscallArg(tc, index); + int sim_fd = process->sim_fd(tgt_fd); + if (sim_fd < 0) return -EBADF; - Process::FdMap *fdo = process->sim_fd_obj(fd); + Process::FdMap *fdo = process->sim_fd_obj(tgt_fd); - int result = dup(fd); + int result = dup(sim_fd); return (result == -1) ? -errno : process->alloc_fd(result, fdo->filename, fdo->flags, fdo->mode, false); } -- cgit v1.2.3