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Groups > linux.kernel > #1467989
| From | Mikko Rapeli <mikko.rapeli@iki.fi> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | [PATCH v05 70/72] uapi time.h: glibc time.h header file compatibility fixes |
| Date | 2016-08-22 21:30 +0200 |
| Message-ID | <s9350-22o-33@gated-at.bofh.it> (permalink) |
| References | <s92iC-1rh-5@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Fixes these userspace compile errors and warnings when glibc time.h
is included before linux/time.h:
linux/time.h:9:8: error: redefinition of ‘struct timespec’
linux/time.h:15:8: error: redefinition of ‘struct timeval’
linux/time.h:20:8: error: redefinition of ‘struct timezone’
linux/time.h:30:0: warning: "ITIMER_REAL" redefined
linux/time.h:31:0: warning: "ITIMER_VIRTUAL" redefined
linux/time.h:32:0: warning: "ITIMER_PROF" redefined
linux/time.h:34:8: error: redefinition of ‘struct itimerspec’
linux/time.h:39:8: error: redefinition of ‘struct itimerval’
linux/time.h:67:0: warning: "TIMER_ABSTIME" redefined
Signed-off-by: Mikko Rapeli <mikko.rapeli@iki.fi>
---
include/uapi/linux/libc-compat.h | 37 +++++++++++++++++++++++++++++++++++++
include/uapi/linux/time.h | 18 ++++++++++++++++--
2 files changed, 53 insertions(+), 2 deletions(-)
diff --git a/include/uapi/linux/libc-compat.h b/include/uapi/linux/libc-compat.h
index acc2e75..cb25f16 100644
--- a/include/uapi/linux/libc-compat.h
+++ b/include/uapi/linux/libc-compat.h
@@ -230,6 +230,21 @@
#endif /* defined(_NETROSE_ROSE_H) */
+/* Coordinate with glibc time.h */
+#if defined(_TIME_H)
+#define __UAPI_DEF_TIMESPEC 0
+#define __UAPI_DEF_TIMEVAL 0
+#define __UAPI_DEF_ITIMERSPEC 0
+#define __UAPI_DEF_TIMER_ABSTIME 0
+
+#else /* defined(_TIME_H) */
+#define __UAPI_DEF_TIMESPEC 1
+#define __UAPI_DEF_TIMEVAL 1
+#define __UAPI_DEF_ITIMERSPEC 1
+#define __UAPI_DEF_TIMER_ABSTIME 1
+
+#endif /* defined(_TIME_H) */
+
/* Definitions for sys/uio.h */
#if defined(_SYS_UIO_H)
#define __UAPI_DEF_IOVEC 0
@@ -237,6 +252,19 @@
#define __UAPI_DEF_IOVEC 1
#endif /* defined(_SYS_UIO_H) */
+/* Definitions for sys/time.h */
+#if defined(_SYS_TIME_H)
+#define __UAPI_DEF_TIMEZONE 0
+#define __UAPI_DEF_ITIMER_REAL_VIRTUAL_PROF 0
+#define __UAPI_DEF_ITIMERVAL 0
+
+#else /* defined(_SYS_TIME_H) */
+#define __UAPI_DEF_TIMEZONE 1
+#define __UAPI_DEF_ITIMER_REAL_VIRTUAL_PROF 1
+#define __UAPI_DEF_ITIMERVAL 1
+
+#endif /* defined(_SYS_TIME_H) */
+
/* Definitions for xattr.h */
#if defined(_SYS_XATTR_H)
#define __UAPI_DEF_XATTR 0
@@ -313,6 +341,15 @@
#define __UAPI_DEF_ROSE_CAUSE_STRUCT 1
#define __UAPI_DEF_ROSE_FACILITIES_STRUCT 1
+/* Definitions for time.h */
+#define __UAPI_DEF_TIMESPEC 1
+#define __UAPI_DEF_TIMEVAL 1
+#define __UAPI_DEF_TIMEZONE 1
+#define __UAPI_DEF_ITIMER_REAL_VIRTUAL_PROF 1
+#define __UAPI_DEF_ITIMERSPEC 1
+#define __UAPI_DEF_ITIMERVAL 1
+#define __UAPI_DEF_TIMER_ABSTIME 1
+
/* Definitions for uio.h */
#define __UAPI_DEF_IOVEC 1
diff --git a/include/uapi/linux/time.h b/include/uapi/linux/time.h
index e75e1b6..66fb19c 100644
--- a/include/uapi/linux/time.h
+++ b/include/uapi/linux/time.h
@@ -1,45 +1,57 @@
#ifndef _UAPI_LINUX_TIME_H
#define _UAPI_LINUX_TIME_H
+#include <linux/libc-compat.h>
#include <linux/types.h>
#ifndef _STRUCT_TIMESPEC
#define _STRUCT_TIMESPEC
+#if __UAPI_DEF_TIMESPEC
struct timespec {
__kernel_time_t tv_sec; /* seconds */
long tv_nsec; /* nanoseconds */
};
-#endif
+#endif /* __UAPI_DEF_TIMESPEC */
+#endif /* _STRUCT_TIMESPEC */
+#if __UAPI_DEF_TIMEVAL
struct timeval {
__kernel_time_t tv_sec; /* seconds */
__kernel_suseconds_t tv_usec; /* microseconds */
};
+#endif /* __UAPI_DEF_TIMEVAL */
+#if __UAPI_DEF_TIMEZONE
struct timezone {
int tz_minuteswest; /* minutes west of Greenwich */
int tz_dsttime; /* type of dst correction */
};
-
+#endif /* __UAPI_DEF_TIMEZONE */
/*
* Names of the interval timers, and structure
* defining a timer setting:
*/
+#if __UAPI_DEF_ITIMER_REAL_VIRTUAL_PROF
#define ITIMER_REAL 0
#define ITIMER_VIRTUAL 1
#define ITIMER_PROF 2
+#endif /* __UAPI_DEF_ITIMER_REAL_VIRTUAL_PROF */
+#if __UAPI_DEF_ITIMERSPEC
struct itimerspec {
struct timespec it_interval; /* timer period */
struct timespec it_value; /* timer expiration */
};
+#endif /* __UAPI_DEF_ITIMERSPEC */
+#if __UAPI_DEF_ITIMERVAL
struct itimerval {
struct timeval it_interval; /* timer interval */
struct timeval it_value; /* current value */
};
+#endif /* __UAPI_DEF_ITIMERVAL */
/*
* The IDs of the various system clocks (for POSIX.1b interval timers):
@@ -64,6 +76,8 @@ struct itimerval {
/*
* The various flags for setting POSIX.1b interval timers:
*/
+#if __UAPI_DEF_TIMER_ABSTIME
#define TIMER_ABSTIME 0x01
+#endif /* __UAPI_DEF_TIMER_ABSTIME */
#endif /* _UAPI_LINUX_TIME_H */
--
2.8.1
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[PATCH v05 00/72] Userspace compile test and fixes for exported uapi header files Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
[PATCH v05 31/72] include/uapi/linux/mroute.h: include linux/in.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
Re: [PATCH v05 31/72] include/uapi/linux/mroute.h: include linux/in.h David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
[PATCH v05 18/72] include/uapi/asm-generic/signal.h: use __kernel_size_t instead of size_t Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
[PATCH v05 27/72] linux/if.h linux/hdlc/ioctl.h: move IFNAMSIZ definition to hdlc/ioctl.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
Re: [PATCH v05 27/72] linux/if.h linux/hdlc/ioctl.h: move IFNAMSIZ definition to hdlc/ioctl.h David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
Re: [PATCH v05 27/72] linux/if.h linux/hdlc/ioctl.h: move IFNAMSIZ definition to hdlc/ioctl.h David Miller <davem@davemloft.net> - 2016-08-23 09:10 +0200
Re: [PATCH v05 27/72] linux/if.h linux/hdlc/ioctl.h: move IFNAMSIZ definition to hdlc/ioctl.h Frans Klaver <fransklaver@gmail.com> - 2016-08-23 10:10 +0200
Re: [PATCH v05 27/72] linux/if.h linux/hdlc/ioctl.h: move IFNAMSIZ definition to hdlc/ioctl.h Frans Klaver <fransklaver@gmail.com> - 2016-08-24 09:00 +0200
Re: [PATCH v05 27/72] linux/if.h linux/hdlc/ioctl.h: move IFNAMSIZ definition to hdlc/ioctl.h Frans Klaver <fransklaver@gmail.com> - 2016-08-23 09:20 +0200
[PATCH v05 26/72] include/uapi/linux/if_pppox.h: include linux/in.h and linux/in6.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
Re: [PATCH v05 26/72] include/uapi/linux/if_pppox.h: include linux/in.h and linux/in6.h David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
[PATCH v05 17/72] asm-generic/sembuf.h: include asm/posix_types.h and asm/ipcbuf.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
[PATCH v05 41/72] include/uapi/linux/atm_zatm.h: include linux/time.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
Re: [PATCH v05 41/72] include/uapi/linux/atm_zatm.h: include linux/time.h David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
[PATCH v05 37/72] include/uapi/linux/auto_fs.h: include linux/limits.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
Re: [PATCH v05 37/72] include/uapi/linux/auto_fs.h: include linux/limits.h Ian Kent <raven@themaw.net> - 2016-08-23 02:50 +0200
[PATCH v05 30/72] include/uapi/linux/mqueue.h: include linux/types.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
[PATCH v05 05/72] hsi_char.h: use __u32 from linux/types.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
Re: [PATCH v05 05/72] hsi_char.h: use __u32 from linux/types.h Sebastian Reichel <sre@kernel.org> - 2016-08-22 23:00 +0200
[PATCH v05 13/72] include/uapi/linux/sysctl.h: use __kernel_size_t instead of size_t Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
[PATCH v05 39/72] include/uapi/linux/target_core_user.h: use __u8, __u16, __u32 and __u64 from linux/types.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
[PATCH v05 32/72] include/uapi/linux/dlm_netlink.h: include linux/dlmconstants.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
[PATCH v05 33/72] include/uapi/linux/ip6_tunnel.h: include linux/if.h and linux/in6.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
[PATCH v05 28/72] include/uapi/linux/packet_diag.h: include linux/netdevice.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
[PATCH v05 36/72] arch/x86/include/uapi/asm/signal.h: use __kernel_size_t instead of size_t Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
[PATCH v05 38/72] include/uapi/linux/openvswitch.h: use __u32 from linux/types.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
Re: [PATCH v05 38/72] include/uapi/linux/openvswitch.h: use __u32 from linux/types.h Stephen Hemminger <stephen@networkplumber.org> - 2016-08-22 21:40 +0200
Re: [PATCH v05 38/72] include/uapi/linux/openvswitch.h: use __u32 from linux/types.h David Miller <davem@davemloft.net> - 2016-08-23 01:30 +0200
Re: [PATCH v05 38/72] include/uapi/linux/openvswitch.h: use __u32 from linux/types.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-23 09:00 +0200
Re: [PATCH v05 38/72] include/uapi/linux/openvswitch.h: use __u32 from linux/types.h David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
[PATCH v05 43/72] include/uapi/linux/btrfs.h: define NULL Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
[PATCH v05 06/72] include/uapi/linux/hsi/cs-protocol.h: include linux/time.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
Re: [PATCH v05 06/72] include/uapi/linux/hsi/cs-protocol.h: include linux/time.h Sebastian Reichel <sre@kernel.org> - 2016-08-22 23:00 +0200
Re: [PATCH v05 06/72] include/uapi/linux/hsi/cs-protocol.h: include linux/time.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-23 09:00 +0200
[PATCH v05 02/72] scripts/headers_compile_test.sh: compile test script for exported headers Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 20:50 +0200
[PATCH v05 62/72] include/uapi/linux/openvswitch.h: use __u32 from linux/types.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:00 +0200
Re: [PATCH v05 62/72] include/uapi/linux/openvswitch.h: use __u32 from linux/types.h David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
[PATCH v05 72/72] uapi route.h: glibc net/route.h compat fix Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:00 +0200
Re: [PATCH v05 72/72] uapi route.h: glibc net/route.h compat fix David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
Re: [PATCH v05 66/72] uapi icmp.h: glibc netinet/ip_icmp.h header file compatibility fixes Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-23 23:30 +0200
Re: [PATCH v05 66/72] uapi icmp.h: glibc netinet/ip_icmp.h header file compatibility fixes David Miller <davem@davemloft.net> - 2016-08-24 01:50 +0200
[PATCH v05 66/72] uapi icmp.h: glibc netinet/ip_icmp.h header file compatibility fixes Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:00 +0200
Re: [PATCH v05 66/72] uapi icmp.h: glibc netinet/ip_icmp.h header file compatibility fixes David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
Re: [PATCH v05 66/72] uapi icmp.h: glibc netinet/ip_icmp.h header file compatibility fixes David Miller <davem@davemloft.net> - 2016-08-24 01:50 +0200
[PATCH v05 55/72] include/uapi/xen/gntdev.h: include xen/privcmd.h and define grant_ref_t Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:00 +0200
[PATCH v05 21/72] include/uapi/linux/if_pppox.h: include linux/if.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:10 +0200
Re: [PATCH v05 21/72] include/uapi/linux/if_pppox.h: include linux/if.h Stephen Hemminger <stephen@networkplumber.org> - 2016-08-22 21:40 +0200
Re: [PATCH v05 21/72] include/uapi/linux/if_pppox.h: include linux/if.h David Miller <davem@davemloft.net> - 2016-08-23 01:30 +0200
Re: [PATCH v05 21/72] include/uapi/linux/if_pppox.h: include linux/if.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-23 08:50 +0200
Re: [PATCH v05 21/72] include/uapi/linux/if_pppox.h: include linux/if.h David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
[PATCH v05 57/72] coda_psdev.h: move upc_req definition from uapi to kernel side headers Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:10 +0200
[PATCH v05 65/72] uapi fcntl.h: glibc fcntl.h header file compatibility fixes Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:10 +0200
[PATCH v05 23/72] include/uapi/linux/ipv6_route.h: include linux/in6.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:20 +0200
Re: [PATCH v05 23/72] include/uapi/linux/ipv6_route.h: include linux/in6.h David Miller <davem@davemloft.net> - 2016-08-23 01:30 +0200
[PATCH v05 19/72] include/uapi/linux/socket.h: include sys/socket.h in userspace Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:20 +0200
[PATCH v05 60/72] arch/arm/include/uapi/asm/signal.h: use __kernel_size_t instead of size_t Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:20 +0200
Re: [PATCH v05 60/72] arch/arm/include/uapi/asm/signal.h: use __kernel_size_t instead of size_t Arnd Bergmann <arnd@arndb.de> - 2016-08-24 17:10 +0200
[PATCH v05 69/72] uapi rose.h: glibc netrose/rose.h header file compatibility fixes Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:20 +0200
[PATCH v05 52/72] include/linux/sdb.h: use linux/types.h types instead of stdint.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:20 +0200
[PATCH v05 54/72] include/uapi/xen/privcmd.h: fix compilation in userspace Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:20 +0200
Re: [PATCH v05 54/72] include/uapi/xen/privcmd.h: fix compilation in userspace Russell King - ARM Linux <linux@armlinux.org.uk> - 2016-08-23 12:10 +0200
Re: [PATCH v05 54/72] include/uapi/xen/privcmd.h: fix compilation in userspace Stefano Stabellini <sstabellini@kernel.org> - 2016-08-23 20:20 +0200
Re: [PATCH v05 54/72] include/uapi/xen/privcmd.h: fix compilation in userspace Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-23 22:40 +0200
Re: [PATCH v05 54/72] include/uapi/xen/privcmd.h: fix compilation in userspace Stefano Stabellini <sstabellini@kernel.org> - 2016-08-23 23:20 +0200
[PATCH v05 24/72] include/uapi/linux/ipv6_route.h: include linux/in6.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
[PATCH v05 56/72] include/uapi/xen/evtchn.h: include xen/privcmd.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
[PATCH v05 63/72] include/uapi/sound/Kbuild: remove sound/asoc.h from userspace Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
[PATCH v05 64/72] include/uapi/linux/ipx.h: fix conflicting defitions with glibc netipx/ipx.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
Re: [PATCH v05 64/72] include/uapi/linux/ipx.h: fix conflicting defitions with glibc netipx/ipx.h David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
[PATCH v05 20/72] include/uapi/linux/rds.h: include linux/socket.h and linux/types.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
[PATCH v05 58/72] include/uapi/linux/elfcore.h: remove non-compiling userspace parts Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
[PATCH v05 70/72] uapi time.h: glibc time.h header file compatibility fixes Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
[PATCH v05 68/72] uapi ax25.h: glibc netax25/ax25.h header file compatibility fixes Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
Re: [PATCH v05 68/72] uapi ax25.h: glibc netax25/ax25.h header file compatibility fixes David Miller <davem@davemloft.net> - 2016-08-23 01:40 +0200
[PATCH v05 50/72] include/uapi/linux/fuse.h: use linux/types.h also in userspace Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
Re: [PATCH v05 50/72] include/uapi/linux/fuse.h: use linux/types.h also in userspace Miklos Szeredi <miklos@szeredi.hu> - 2016-08-23 09:20 +0200
Re: [PATCH v05 50/72] include/uapi/linux/fuse.h: use linux/types.h also in userspace Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-23 09:50 +0200
[PATCH v05 67/72] uapi uio.h: glibc sys/uio.h header file compatibility fixes Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:30 +0200
[PATCH v05 59/72] include/uapi/linux/errqueue.h: include time.h in userspace Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:40 +0200
[PATCH v05 53/72] include/linux/xz.h: use linux/types.h types instead of stdint.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:40 +0200
[PATCH v05 61/72] include/uapi/rdma/rdma_user_rxe.h: include in.h and in6.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:40 +0200
Re: [PATCH v05 61/72] include/uapi/rdma/rdma_user_rxe.h: include in.h and in6.h Doug Ledford <dledford@redhat.com> - 2016-08-23 17:10 +0200
[PATCH v05 71/72] uapi term*.h: glibc termios.h header file compatibility fixes Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:50 +0200
[PATCH v05 22/72] include/uapi/linux/if_tunnel.h: include linux/if.h, linux/ip.h and linux/in6.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:50 +0200
Re: [PATCH v05 22/72] include/uapi/linux/if_tunnel.h: include linux/if.h, linux/ip.h and linux/in6.h David Miller <davem@davemloft.net> - 2016-08-23 01:30 +0200
[PATCH v05 51/72] include/linux/ipmi-fru.h: use linux/types.h instead of stdint.h Mikko Rapeli <mikko.rapeli@iki.fi> - 2016-08-22 21:50 +0200
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