prototypes for functions disabled on mmu-less systems.
extern int posix_madvise (void *__addr, size_t __len, int __advice) __THROW;
#endif
+#if defined __ARCH_HAS_MMU__
/* Guarantee all whole pages mapped by the range [ADDR,ADDR+LEN) to
be memory resident. */
extern int mlock (__const void *__addr, size_t __len) __THROW;
/* All currently mapped pages of the process' address space become
unlocked. */
extern int munlockall (void) __THROW;
+#endif
#ifdef __USE_MISC
/* Remap pages mapped by the range [ADDR,ADDR+OLD_LEN) to new length
#endif
+#ifdef __ARCH_HAS_MMU__
/* Clone the calling process, creating an exact copy.
Return -1 for errors, 0 to the new process,
and the process ID of the new process to the old process. */
extern __pid_t fork (void) __THROW;
+#endif
#if defined __USE_BSD || defined __USE_XOPEN_EXTENDED
/* Clone the calling process, but without copying the whole address space.
extern void setusershell (void) __THROW; /* Rewind and re-read the file. */
+#if defined __ARCH_HAS_MMU__
/* Put the program in the background, and dissociate from the controlling
terminal. If NOCHDIR is zero, do `chdir ("/")'. If NOCLOSE is zero,
redirects stdin, stdout, and stderr to /dev/null. */
extern int daemon (int __nochdir, int __noclose) __THROW;
+#endif
#endif /* Use BSD || X/Open. */
#ifdef __ARCH_HAS_MMU__
#define __NR___libc_fork __NR_fork
_syscall0(pid_t, __libc_fork);
-#else
-pid_t __libc_fork(void)
-{
- __set_errno(ENOSYS);
- return -1;
-}
-#endif
weak_alias(__libc_fork, fork);
+#endif
#include "syscalls.h"
#if defined __ARCH_HAS_MMU__ && defined __NR_ioperm
_syscall3(int, ioperm, unsigned long, from, unsigned long, num, int, turn_on);
-#else
-int ioperm(unsigned long from, unsigned long num, int turn_on)
-{
- __set_errno(ENOSYS);
- return -1;
-}
#endif
/* Tuns out the m68k unistd.h kernel header is broken */
#if defined __ARCH_HAS_MMU__ && defined __NR_iopl && ( !defined(__mc68000__))
_syscall1(int, iopl, int, level);
-#else
-int iopl(int level)
-{
- __set_errno(ENOSYS);
- return -1;
-}
#endif
#include "syscalls.h"
#include <sys/mman.h>
-# if defined __ARCH_HAS_MMU__ && defined __NR_mlock
+#if defined __ARCH_HAS_MMU__ && defined __NR_mlock
_syscall2(int, mlock, const void *, addr, size_t, len);
-# endif
+#endif
#include "syscalls.h"
#include <sys/mman.h>
-# if defined __ARCH_HAS_MMU__ && defined __NR_mlockall
+#if defined __ARCH_HAS_MMU__ && defined __NR_mlockall
_syscall1(int, mlockall, int, flags);
-# endif
+#endif
#include "syscalls.h"
#include <sys/mman.h>
-# if defined __ARCH_HAS_MMU__ && defined __NR_munlock
+#if defined __ARCH_HAS_MMU__ && defined __NR_munlock
_syscall2(int, munlock, const void *, addr, size_t, len);
-# endif
+#endif
fpathconf.c confstr.c pathconf.c swab.c usershell.c \
getsubopt.c
-ifeq ($(strip $(ARCH_HAS_MMU)),y)
- CSRC += daemon.c
-else
+ifneq ($(strip $(ARCH_HAS_MMU)),y)
MOBJ1 += __exec_alloc.o
endif
#include <paths.h>
#include <unistd.h>
-/* Note that this file should not be compiled in
- * unless __ARCH_HAS_MMU__ is defined */
+#if defined __ARCH_HAS_MMU__
int daemon( int nochdir, int noclose )
{
return(0);
}
-
+#endif
/*-
* Copyright (c) 1990, 1993