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b765eda924
The warning was: In file included from namespace.c:14:0: ../include/namespace.h: In function ‘setns’: ../include/namespace.h:37:2: warning: implicit declaration of function ‘syscall’ [-Wimplicit-function-declaration] Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
56 lines
1.1 KiB
C
56 lines
1.1 KiB
C
#ifndef __NAMESPACE_H__
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#define __NAMESPACE_H__ 1
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#include <sched.h>
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#include <sys/mount.h>
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#include <unistd.h>
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#include <sys/syscall.h>
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#include <errno.h>
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#define NETNS_RUN_DIR "/var/run/netns"
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#define NETNS_ETC_DIR "/etc/netns"
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#ifndef CLONE_NEWNET
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#define CLONE_NEWNET 0x40000000 /* New network namespace (lo, device, names sockets, etc) */
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#endif
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#ifndef MNT_DETACH
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#define MNT_DETACH 0x00000002 /* Just detach from the tree */
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#endif /* MNT_DETACH */
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/* sys/mount.h may be out too old to have these */
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#ifndef MS_REC
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#define MS_REC 16384
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#endif
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#ifndef MS_SLAVE
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#define MS_SLAVE (1 << 19)
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#endif
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#ifndef MS_SHARED
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#define MS_SHARED (1 << 20)
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#endif
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#ifndef HAVE_SETNS
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static inline int setns(int fd, int nstype)
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{
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#ifdef __NR_setns
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return syscall(__NR_setns, fd, nstype);
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#else
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errno = ENOSYS;
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return -1;
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#endif
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}
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#endif /* HAVE_SETNS */
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extern int netns_switch(char *netns);
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extern int netns_get_fd(const char *netns);
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extern int netns_foreach(int (*func)(char *nsname, void *arg), void *arg);
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struct netns_func {
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int (*func)(char *nsname, void *arg);
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void *arg;
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};
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#endif /* __NAMESPACE_H__ */
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