syscalls.h

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#ifndef __ASM_GENERIC_SYSCALLS_H
#define __ASM_GENERIC_SYSCALLS_H

#include <linux/compiler.h>
#include <linux/linkage.h>

/*
 * Calling conventions for these system calls can differ, so
 * it's possible to override them.
 */
#ifndef sys_clone
asmlinkage long sys_clone(unsigned long clone_flags, unsigned long newsp,
            void __user *parent_tid, void __user *child_tid,
            struct pt_regs *regs);
#endif

#ifndef sys_fork
asmlinkage long sys_fork(struct pt_regs *regs);
#endif

#ifndef sys_vfork
asmlinkage long sys_vfork(struct pt_regs *regs);
#endif

#ifndef sys_execve
asmlinkage long sys_execve(const char __user *filename,
               const char __user *const __user *argv,
               const char __user *const __user *envp,
               struct pt_regs *regs);
#endif

#ifndef sys_mmap2
asmlinkage long sys_mmap2(unsigned long addr, unsigned long len,
            unsigned long prot, unsigned long flags,
            unsigned long fd, unsigned long pgoff);
#endif

#ifndef sys_mmap
asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
            unsigned long prot, unsigned long flags,
            unsigned long fd, off_t pgoff);
#endif

#ifndef sys_sigaltstack
asmlinkage long sys_sigaltstack(const stack_t __user *, stack_t __user *,
            struct pt_regs *);
#endif

#ifndef sys_rt_sigreturn
asmlinkage long sys_rt_sigreturn(struct pt_regs *regs);
#endif

#ifndef sys_rt_sigsuspend
asmlinkage long sys_rt_sigsuspend(sigset_t __user *unewset, size_t sigsetsize);
#endif

#ifndef sys_rt_sigaction
asmlinkage long sys_rt_sigaction(int sig, const struct sigaction __user *act,
             struct sigaction __user *oact, size_t sigsetsize);
#endif

#endif /* __ASM_GENERIC_SYSCALLS_H */