From eab709096f23a4511adfc547450a83008eae5fb2 Mon Sep 17 00:00:00 2001 From: Andreas Schwab Date: Tue, 24 Nov 2009 16:24:07 +0100 Subject: [PATCH] Re-install F_[GS]ETOWN_EX changes --- ChangeLog | 27 ++++++++++++++++++ sysdeps/unix/sysv/linux/fcntl.c | 42 +++++++++++++++++++++++++--- sysdeps/unix/sysv/linux/i386/bits/fcntl.h | 25 +++++++++++++++-- sysdeps/unix/sysv/linux/i386/fcntl.c | 29 ++++++++++++++++++- sysdeps/unix/sysv/linux/ia64/bits/fcntl.h | 25 +++++++++++++++-- sysdeps/unix/sysv/linux/kernel-features.h | 5 ++++ sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h | 25 +++++++++++++++-- sysdeps/unix/sysv/linux/s390/bits/fcntl.h | 25 +++++++++++++++-- sysdeps/unix/sysv/linux/sh/bits/fcntl.h | 25 +++++++++++++++-- sysdeps/unix/sysv/linux/sparc/bits/fcntl.h | 25 +++++++++++++++-- sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h | 25 +++++++++++++++-- 11 files changed, 252 insertions(+), 26 deletions(-) diff --git a/ChangeLog b/ChangeLog index 19a8e2fd48..aaa01cb937 100644 --- a/ChangeLog +++ b/ChangeLog @@ -233,6 +233,22 @@ d2009-10-30 Ulrich Drepper * sysdeps/generic/netinet/ip.h: Define IPTOS_ENC* and IPTOS_DSCP* macros. Patch by Philip Prindeville . + [BZ #10840] + * sysdeps/unix/sysv/linux/kernel-features.h: Define + __ASSUME_F_GETOWN_EX. + * sysdeps/unix/sysv/linux/fcntl.c: Implement F_GETOWN using F_GETOWN_EX + if possible. + * sysdeps/unix/sysv/linux/i386/fcntl.c: Likewise. + + * sysdeps/unix/sysv/linux/sh/bits/fcntl.h: Define F_OWNER_* + and f_owner_ex. + * sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h: Likewise. + * sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h: Likewise. + * sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise. + * sysdeps/unix/sysv/linux/ia64/bits/fcntl.h: Likewise. + * sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Likewise. + * sysdeps/unix/sysv/linux/s390/bits/fcntl.h: Likewise. + [BZ #10847] * sysdeps/gnu/getutmp.c: Allow compatibility code to play around with getutmpx symbol. @@ -320,6 +336,17 @@ d2009-10-30 Ulrich Drepper * locale/C-time.c: Revert week-1stday back to 19971130 and set first_weekday to 1 and first_workday to 2. +2009-10-01 Ulrich Drepper + + * sysdeps/unix/sysv/linux/sh/bits/fcntl.h: Define F_SETOWN_EX and + F_GETOWN_EX. + * sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h: Likewise. + * sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h: Likewise. + * sysdeps/unix/sysv/linux/sparc/bits/fcntl.h: Likewise. + * sysdeps/unix/sysv/linux/ia64/bits/fcntl.h: Likewise. + * sysdeps/unix/sysv/linux/i386/bits/fcntl.h: Likewise. + * sysdeps/unix/sysv/linux/s390/bits/fcntl.h: Likewise. + 2009-09-28 Andreas Schwab * stdio-common/printf_fp.c: Check for and avoid integer overflows. diff --git a/sysdeps/unix/sysv/linux/fcntl.c b/sysdeps/unix/sysv/linux/fcntl.c index 1f5aca14a4..b19654c625 100644 --- a/sysdeps/unix/sysv/linux/fcntl.c +++ b/sysdeps/unix/sysv/linux/fcntl.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2000, 2002, 2003, 2004 Free Software Foundation, Inc. +/* Copyright (C) 2000, 2002, 2003, 2004, 2009 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -23,6 +23,40 @@ #include #include +#include + + +#ifdef __ASSUME_F_GETOWN_EX +# define miss_F_GETOWN_EX 0 +#else +static int miss_F_GETOWN_EX; +#endif + + +static int +do_fcntl (int fd, int cmd, void *arg) +{ + if (cmd != F_GETOWN || miss_F_GETOWN_EX) + return INLINE_SYSCALL (fcntl, 3, fd, cmd, arg); + + INTERNAL_SYSCALL_DECL (err); + struct f_owner_ex fex; + int res = INTERNAL_SYSCALL (fcntl, err, 3, fd, F_GETOWN_EX, &fex); + if (!INTERNAL_SYSCALL_ERROR_P (res, err)) + return fex.type == F_OWNER_GID ? -fex.pid : fex.pid; + +#ifndef __ASSUME_F_GETOWN_EX + if (INTERNAL_SYSCALL_ERRNO (res, err) == EINVAL) + { + res = INLINE_SYSCALL (fcntl, 3, fd, F_GETOWN, arg); + miss_F_GETOWN_EX = 1; + return res; + } +#endif + + __set_errno (INTERNAL_SYSCALL_ERRNO (res, err)); + return -1; +} #ifndef NO_CANCELLATION @@ -36,7 +70,7 @@ __fcntl_nocancel (int fd, int cmd, ...) arg = va_arg (ap, void *); va_end (ap); - return INLINE_SYSCALL (fcntl, 3, fd, cmd, arg); + return do_fcntl (fd, cmd, arg); } #endif @@ -52,11 +86,11 @@ __libc_fcntl (int fd, int cmd, ...) va_end (ap); if (SINGLE_THREAD_P || cmd != F_SETLKW) - return INLINE_SYSCALL (fcntl, 3, fd, cmd, arg); + return do_fcntl (fd, cmd, arg); int oldtype = LIBC_CANCEL_ASYNC (); - int result = INLINE_SYSCALL (fcntl, 3, fd, cmd, arg); + int result = do_fcntl (fd, cmd, arg); LIBC_CANCEL_RESET (oldtype); diff --git a/sysdeps/unix/sysv/linux/i386/bits/fcntl.h b/sysdeps/unix/sysv/linux/i386/bits/fcntl.h index 35dfb299d2..6a38dc03fe 100644 --- a/sysdeps/unix/sysv/linux/i386/bits/fcntl.h +++ b/sysdeps/unix/sysv/linux/i386/bits/fcntl.h @@ -1,5 +1,5 @@ /* O_*, F_*, FD_* bit values for Linux. - Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004, 2006, 2007 + Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004, 2006, 2007, 2009 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -85,13 +85,15 @@ #define F_SETLKW64 14 /* Set record locking info (blocking). */ #if defined __USE_BSD || defined __USE_UNIX98 -# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */ -# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */ +# define F_SETOWN 8 /* Get owner (process receiving SIGIO). */ +# define F_GETOWN 9 /* Set owner (process receiving SIGIO). */ #endif #ifdef __USE_GNU # define F_SETSIG 10 /* Set number of signal to be sent. */ # define F_GETSIG 11 /* Get number of signal to be sent. */ +# define F_SETOWN_EX 12 /* Get owner (thread receiving SIGIO). */ +# define F_GETOWN_EX 13 /* Set owner (thread receiving SIGIO). */ #endif #ifdef __USE_GNU @@ -166,6 +168,23 @@ struct flock64 }; #endif +#ifdef __USE_GNU +/* Owner types. */ +enum __pid_type + { + F_OWNER_TID = 0, /* Kernel thread. */ + F_OWNER_PID, /* Process. */ + F_OWNER_GID /* Process group. */ + }; + +/* Structure to use with F_GETOWN_EX and F_SETOWN_EX. */ +struct f_owner_ex + { + enum __pid_type type; /* Owner type of ID. */ + __pid_t pid; /* ID of owner. */ + }; +#endif + /* Define some more compatibility macros to be backward compatible with BSD systems which did not managed to hide these kernel macros. */ #ifdef __USE_BSD diff --git a/sysdeps/unix/sysv/linux/i386/fcntl.c b/sysdeps/unix/sysv/linux/i386/fcntl.c index b27373d24b..5544d6e0d9 100644 --- a/sysdeps/unix/sysv/linux/i386/fcntl.c +++ b/sysdeps/unix/sysv/linux/i386/fcntl.c @@ -1,4 +1,4 @@ -/* Copyright (C) 2000,2002,2003,2004,2006 Free Software Foundation, Inc. +/* Copyright (C) 2000,2002,2003,2004,2006,2009 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -30,6 +30,13 @@ int __have_no_fcntl64; #endif +#ifdef __ASSUME_F_GETOWN_EX +# define miss_F_GETOWN_EX 0 +#else +static int miss_F_GETOWN_EX; +#endif + + #if defined NO_CANCELLATION && __ASSUME_FCNTL64 == 0 # define __fcntl_nocancel __libc_fcntl #endif @@ -119,6 +126,26 @@ __fcntl_nocancel (int fd, int cmd, ...) assert (F_SETLK - F_SETLKW == F_SETLK64 - F_SETLKW64); return INLINE_SYSCALL (fcntl, 3, fd, cmd + F_SETLK - F_SETLK64, &fl); } + case F_GETOWN: + if (! miss_F_GETOWN_EX) + { + INTERNAL_SYSCALL_DECL (err); + struct f_owner_ex fex; + int res = INTERNAL_SYSCALL (fcntl, err, 3, fd, F_GETOWN_EX, &fex); + if (!INTERNAL_SYSCALL_ERROR_P (res, err)) + return fex.type == F_OWNER_GID ? -fex.pid : fex.pid; + +#ifndef __ASSUME_F_GETOWN_EX + if (INTERNAL_SYSCALL_ERRNO (res, err) == EINVAL) + miss_F_GETOWN_EX = 1; + else +#endif + { + __set_errno (INTERNAL_SYSCALL_ERRNO (res, err)); + return -1; + } + } + /* FALLTHROUGH */ default: return INLINE_SYSCALL (fcntl, 3, fd, cmd, arg); } diff --git a/sysdeps/unix/sysv/linux/ia64/bits/fcntl.h b/sysdeps/unix/sysv/linux/ia64/bits/fcntl.h index 92b96bd14c..9a0245a6c4 100644 --- a/sysdeps/unix/sysv/linux/ia64/bits/fcntl.h +++ b/sysdeps/unix/sysv/linux/ia64/bits/fcntl.h @@ -1,5 +1,5 @@ /* O_*, F_*, FD_* bit values for Linux/IA64. - Copyright (C) 1999, 2000, 2004, 2006, 2007 Free Software Foundation, Inc. + Copyright (C) 1999,2000,2004,2006,2007,2009 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -81,13 +81,15 @@ #define F_SETLKW64 7 /* Set record locking info (blocking). */ #if defined __USE_BSD || defined __USE_UNIX98 -# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */ -# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */ +# define F_SETOWN 8 /* Get owner (process receiving SIGIO). */ +# define F_GETOWN 9 /* Set owner (process receiving SIGIO). */ #endif #ifdef __USE_GNU # define F_SETSIG 10 /* Set number of signal to be sent. */ # define F_GETSIG 11 /* Get number of signal to be sent. */ +# define F_SETOWN_EX 12 /* Get owner (thread receiving SIGIO). */ +# define F_GETOWN_EX 13 /* Set owner (thread receiving SIGIO). */ #endif #ifdef __USE_GNU @@ -159,6 +161,23 @@ struct flock64 }; #endif +#ifdef __USE_GNU +/* Owner types. */ +enum __pid_type + { + F_OWNER_TID = 0, /* Kernel thread. */ + F_OWNER_PID, /* Process. */ + F_OWNER_GID /* Process group. */ + }; + +/* Structure to use with F_GETOWN_EX and F_SETOWN_EX. */ +struct f_owner_ex + { + enum __pid_type type; /* Owner type of ID. */ + __pid_t pid; /* ID of owner. */ + }; +#endif + /* Define some more compatibility macros to be backward compatible with BSD systems which did not managed to hide these kernel macros. */ diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h index ff065effb5..f48e644e09 100644 --- a/sysdeps/unix/sysv/linux/kernel-features.h +++ b/sysdeps/unix/sysv/linux/kernel-features.h @@ -542,3 +542,8 @@ # define __ASSUME_PREADV 1 # define __ASSUME_PWRITEV 1 #endif + +/* Support for F_GETOWN_EX was introduced in 2.6.32. */ +#if __LINUX_KERNEL_VERSION >= 0x020620 +# define __ASSUME_F_GETOWN_EX 1 +#endif diff --git a/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h b/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h index 493d5cba5f..6c4b66b7ac 100644 --- a/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h +++ b/sysdeps/unix/sysv/linux/powerpc/bits/fcntl.h @@ -1,5 +1,5 @@ /* O_*, F_*, FD_* bit values for Linux/PowerPC. - Copyright (C) 1995, 1996, 1997, 1998, 2000, 2003, 2004, 2006, 2007 + Copyright (C) 1995, 1996, 1997, 1998, 2000, 2003, 2004, 2006, 2007, 2009 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -85,13 +85,15 @@ #define F_SETLKW64 14 /* Set record locking info (blocking). */ #if defined __USE_BSD || defined __USE_UNIX98 -# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */ -# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */ +# define F_SETOWN 8 /* Get owner (process receiving of SIGIO). */ +# define F_GETOWN 9 /* Set owner (process receiving of SIGIO). */ #endif #ifdef __USE_GNU # define F_SETSIG 10 /* Set number of signal to be sent. */ # define F_GETSIG 11 /* Get number of signal to be sent. */ +# define F_SETOWN_EX 12 /* Get owner (thread receiving SIGIO). */ +# define F_GETOWN_EX 13 /* Set owner (thread receiving SIGIO). */ #endif #ifdef __USE_GNU @@ -166,6 +168,23 @@ struct flock64 }; #endif +#ifdef __USE_GNU +/* Owner types. */ +enum __pid_type + { + F_OWNER_TID = 0, /* Kernel thread. */ + F_OWNER_PID, /* Process. */ + F_OWNER_GID /* Process group. */ + }; + +/* Structure to use with F_GETOWN_EX and F_SETOWN_EX. */ +struct f_owner_ex + { + enum __pid_type type; /* Owner type of ID. */ + __pid_t pid; /* ID of owner. */ + }; +#endif + /* Define some more compatibility macros to be backward compatible with BSD systems which did not managed to hide these kernel macros. */ #ifdef __USE_BSD diff --git a/sysdeps/unix/sysv/linux/s390/bits/fcntl.h b/sysdeps/unix/sysv/linux/s390/bits/fcntl.h index 54c4c52751..d3dddbc368 100644 --- a/sysdeps/unix/sysv/linux/s390/bits/fcntl.h +++ b/sysdeps/unix/sysv/linux/s390/bits/fcntl.h @@ -1,5 +1,5 @@ /* O_*, F_*, FD_* bit values for Linux. - Copyright (C) 2000,2001,2002,2004,2006,2007 Free Software Foundation, Inc. + Copyright (C) 2000,2001,2002,2004,2006,2007,2009 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -100,13 +100,15 @@ #endif #if defined __USE_BSD || defined __USE_UNIX98 -# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */ -# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */ +# define F_SETOWN 8 /* Get owner (process receiving SIGIO). */ +# define F_GETOWN 9 /* Set owner (process receiving SIGIO). */ #endif #ifdef __USE_GNU # define F_SETSIG 10 /* Set number of signal to be sent. */ # define F_GETSIG 11 /* Get number of signal to be sent. */ +# define F_SETOWN_EX 12 /* Get owner (thread receiving SIGIO). */ +# define F_GETOWN_EX 13 /* Set owner (thread receiving SIGIO). */ #endif #ifdef __USE_GNU @@ -181,6 +183,23 @@ struct flock64 }; #endif +#ifdef __USE_GNU +/* Owner types. */ +enum __pid_type + { + F_OWNER_TID = 0, /* Kernel thread. */ + F_OWNER_PID, /* Process. */ + F_OWNER_GID /* Process group. */ + }; + +/* Structure to use with F_GETOWN_EX and F_SETOWN_EX. */ +struct f_owner_ex + { + enum __pid_type type; /* Owner type of ID. */ + __pid_t pid; /* ID of owner. */ + }; +#endif + /* Define some more compatibility macros to be backward compatible with BSD systems which did not managed to hide these kernel macros. */ #ifdef __USE_BSD diff --git a/sysdeps/unix/sysv/linux/sh/bits/fcntl.h b/sysdeps/unix/sysv/linux/sh/bits/fcntl.h index 35dfb299d2..d7a21ea2e2 100644 --- a/sysdeps/unix/sysv/linux/sh/bits/fcntl.h +++ b/sysdeps/unix/sysv/linux/sh/bits/fcntl.h @@ -1,5 +1,5 @@ /* O_*, F_*, FD_* bit values for Linux. - Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004, 2006, 2007 + Copyright (C) 1995, 1996, 1997, 1998, 2000, 2004, 2006, 2007, 2009 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -85,13 +85,15 @@ #define F_SETLKW64 14 /* Set record locking info (blocking). */ #if defined __USE_BSD || defined __USE_UNIX98 -# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */ -# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */ +# define F_SETOWN 8 /* Get owner (process receiving of SIGIO). */ +# define F_GETOWN 9 /* Set owner (process receiving of SIGIO). */ #endif #ifdef __USE_GNU # define F_SETSIG 10 /* Set number of signal to be sent. */ # define F_GETSIG 11 /* Get number of signal to be sent. */ +# define F_SETOWN_EX 12 /* Get owner (thread receiving of SIGIO). */ +# define F_GETOWN_EX 13 /* Set owner (thread receiving of SIGIO). */ #endif #ifdef __USE_GNU @@ -166,6 +168,23 @@ struct flock64 }; #endif +#ifdef __USE_GNU +/* Owner types. */ +enum __pid_type + { + F_OWNER_TID = 0, /* Kernel thread. */ + F_OWNER_PID, /* Process. */ + F_OWNER_GID /* Process group. */ + }; + +/* Structure to use with F_GETOWN_EX and F_SETOWN_EX. */ +struct f_owner_ex + { + enum __pid_type type; /* Owner type of ID. */ + __pid_t pid; /* ID of owner. */ + }; +#endif + /* Define some more compatibility macros to be backward compatible with BSD systems which did not managed to hide these kernel macros. */ #ifdef __USE_BSD diff --git a/sysdeps/unix/sysv/linux/sparc/bits/fcntl.h b/sysdeps/unix/sysv/linux/sparc/bits/fcntl.h index 56d9c004e7..dfa848a377 100644 --- a/sysdeps/unix/sysv/linux/sparc/bits/fcntl.h +++ b/sysdeps/unix/sysv/linux/sparc/bits/fcntl.h @@ -1,5 +1,5 @@ /* O_*, F_*, FD_* bit values for Linux/SPARC. - Copyright (C) 1995, 1996, 1997, 1998, 2000, 2003, 2004, 2006, 2007 + Copyright (C) 1995, 1996, 1997, 1998, 2000, 2003, 2004, 2006, 2007, 2009 Free Software Foundation, Inc. This file is part of the GNU C Library. @@ -83,8 +83,8 @@ #define F_GETFL 3 /* Get file status flags. */ #define F_SETFL 4 /* Set file status flags. */ #if defined __USE_BSD || defined __USE_UNIX98 -# define F_GETOWN 5 /* Get owner of socket (receiver of SIGIO). */ -# define F_SETOWN 6 /* Set owner of socket (receiver of SIGIO). */ +# define F_GETOWN 5 /* Get owner (process receiving SIGIO). */ +# define F_SETOWN 6 /* Set owner (process receiving SIGIO). */ #endif #ifndef __USE_FILE_OFFSET64 # define F_GETLK 7 /* Get record locking info. */ @@ -99,6 +99,8 @@ #ifdef __USE_GNU # define F_SETSIG 10 /* Set number of signal to be sent. */ # define F_GETSIG 11 /* Get number of signal to be sent. */ +# define F_GETOWN_EX 12 /* Get owner (thread receiving SIGIO). */ +# define F_SETOWN_EX 13 /* Set owner (thread receiving SIGIO). */ #endif #ifdef __USE_GNU @@ -185,6 +187,23 @@ struct flock64 }; #endif +#ifdef __USE_GNU +/* Owner types. */ +enum __pid_type + { + F_OWNER_TID = 0, /* Kernel thread. */ + F_OWNER_PID, /* Process. */ + F_OWNER_GID /* Process group. */ + }; + +/* Structure to use with F_GETOWN_EX and F_SETOWN_EX. */ +struct f_owner_ex + { + enum __pid_type type; /* Owner type of ID. */ + __pid_t pid; /* ID of owner. */ + }; +#endif + /* Define some more compatibility macros to be backward compatible with BSD systems which did not managed to hide these kernel macros. */ #ifdef __USE_BSD diff --git a/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h b/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h index 1d68a201a5..c3eb859e7d 100644 --- a/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h +++ b/sysdeps/unix/sysv/linux/x86_64/bits/fcntl.h @@ -1,5 +1,5 @@ /* O_*, F_*, FD_* bit values for Linux/x86-64. - Copyright (C) 2001, 2002, 2004, 2006, 2007 Free Software Foundation, Inc. + Copyright (C) 2001,2002,2004,2006,2007,2009 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -99,13 +99,15 @@ #endif #if defined __USE_BSD || defined __USE_UNIX98 -# define F_SETOWN 8 /* Get owner of socket (receiver of SIGIO). */ -# define F_GETOWN 9 /* Set owner of socket (receiver of SIGIO). */ +# define F_SETOWN 8 /* Get owner (process receiving of SIGIO). */ +# define F_GETOWN 9 /* Set owner (process receiving of SIGIO). */ #endif #ifdef __USE_GNU # define F_SETSIG 10 /* Set number of signal to be sent. */ # define F_GETSIG 11 /* Get number of signal to be sent. */ +# define F_SETOWN_EX 12 /* Get owner (thread receiving SIGIO). */ +# define F_GETOWN_EX 13 /* Set owner (thread receiving SIGIO). */ #endif #ifdef __USE_GNU @@ -180,6 +182,23 @@ struct flock64 }; #endif +#ifdef __USE_GNU +/* Owner types. */ +enum __pid_type + { + F_OWNER_TID = 0, /* Kernel thread. */ + F_OWNER_PID, /* Process. */ + F_OWNER_GID /* Process group. */ + }; + +/* Structure to use with F_GETOWN_EX and F_SETOWN_EX. */ +struct f_owner_ex + { + enum __pid_type type; /* Owner type of ID. */ + __pid_t pid; /* ID of owner. */ + }; +#endif + /* Define some more compatibility macros to be backward compatible with BSD systems which did not managed to hide these kernel macros. */ #ifdef __USE_BSD -- 2.11.4.GIT