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#include <unistd.h>
#include <fcntl.h>
#include "sanitise.h"
#include "compat.h"
/*
* SYSCALL_DEFINE1(dup, unsigned int, fildes)
*
* On success, returns the new descriptor.
* On error, -1 is returned, and errno is set appropriately.
*/
struct syscallentry syscall_dup = {
.name = "dup",
.num_args = 1,
.arg1name = "fildes",
.arg1type = ARG_FD,
.rettype = RET_FD,
.flags = NEED_ALARM,
};
/*
* SYSCALL_DEFINE2(dup2, unsigned int, oldfd, unsigned int, newfd)
*
* On success, returns the new descriptor.
* On error, -1 is returned, and errno is set appropriately.
*/
struct syscallentry syscall_dup2 = {
.name = "dup2",
.num_args = 2,
.arg1name = "oldfd",
.arg1type = ARG_FD,
.arg2name = "newfd",
.arg2type = ARG_FD,
.rettype = RET_FD,
.flags = NEED_ALARM,
};
/*
* SYSCALL_DEFINE3(dup3, unsigned int, oldfd, unsigned int, newfd, int, flags)
*
* On success, returns the new descriptor.
* On error, -1 is returned, and errno is set appropriately.
*/
static unsigned long dup3_flags[] = {
O_CLOEXEC,
};
struct syscallentry syscall_dup3 = {
.name = "dup3",
.num_args = 3,
.arg1name = "oldfd",
.arg1type = ARG_FD,
.arg2name = "newfd",
.arg2type = ARG_FD,
.arg3name = "flags",
.arg3type = ARG_LIST,
.arg3list = ARGLIST(dup3_flags),
.rettype = RET_FD,
.flags = NEED_ALARM,
};
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