Remove __ASSUME_TGKILL.

15 files changed, 48 insertions, 79 deletions

diff --git a/ChangeLog b/ChangeLog
index 7dbea5ee09..6e0f610ec1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-08-08  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/kernel-features.h (__ASSUME_TGKILL):
+	Remove.
+
 2012-08-08  Roland McGrath  <roland@hack.frob.com>
 
 	* sysdeps/posix/fdopendir.c: Include <stddef.h>.
diff --git a/nptl/ChangeLog b/nptl/ChangeLog
index 1f0d9256e9..1deaa6a276 100644
--- a/nptl/ChangeLog
+++ b/nptl/ChangeLog
@@ -1,3 +1,26 @@
+2012-08-08  Joseph Myers  <joseph@codesourcery.com>
+
+	* allocatestack.c (setxid_signal_thread) [__ASSUME_TGKILL]: Make
+	code unconditional.
+	(setxid_signal_thread) [!__ASSUME_TGKILL]: Remove conditional code.
+	* pthread_cancel.c (pthread_cancel) [__ASSUME_TGKILL]: Make code
+	unconditional.
+	(pthread_cancel) [!__ASSUME_TGKILL]: Remove conditional code.
+	* sysdeps/pthread/createthread.c (do_clone) [__ASSUME_TGKILL]:
+	Make code unconditional.
+	(do_clone) [!__ASSUME_TGKILL]: Remove conditional code.
+	* sysdeps/unix/sysv/linux/pt-raise.c (raise) [__ASSUME_TGKILL ||
+	__NR_tgkill]: Make code unconditional.
+	(raise) [__ASSUME_TGKILL]: Likewise.
+	(raise) [!__ASSUME_TGKILL]: Remove conditional code.
+	* sysdeps/unix/sysv/linux/pthread_kill.c (__pthread_kill)
+	[__ASSUME_TGKILL]: Make code unconditional.
+	(__pthread_kill) [!__ASSUME_TGKILL]: Remove conditional code.
+	* sysdeps/unix/sysv/linux/raise.c (raise) [__ASSUME_TGKILL ||
+	__NR_tgkill]: Make code unconditional.
+	(raise) [__ASSUME_TGKILL]: Likewise.
+	(raise) [!__ASSUME_TGKILL]: Remove conditional code.
+
 2012-08-07  Joseph Myers  <joseph@codesourcery.com>
 
 	* sysdeps/pthread/createthread.c (create_thread)
diff --git a/nptl/allocatestack.c b/nptl/allocatestack.c
index 79c4531c32..799dbe3d08 100644
--- a/nptl/allocatestack.c
+++ b/nptl/allocatestack.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002-2007, 2009, 2010, 2011 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -1037,18 +1037,8 @@ setxid_signal_thread (struct xid_command *cmdp, struct pthread *t)
 
   int val;
   INTERNAL_SYSCALL_DECL (err);
-#if __ASSUME_TGKILL
   val = INTERNAL_SYSCALL (tgkill, err, 3, THREAD_GETMEM (THREAD_SELF, pid),
 			  t->tid, SIGSETXID);
-#else
-# ifdef __NR_tgkill
-  val = INTERNAL_SYSCALL (tgkill, err, 3, THREAD_GETMEM (THREAD_SELF, pid),
-			  t->tid, SIGSETXID);
-  if (INTERNAL_SYSCALL_ERROR_P (val, err)
-      && INTERNAL_SYSCALL_ERRNO (val, err) == ENOSYS)
-# endif
-    val = INTERNAL_SYSCALL (tkill, err, 2, t->tid, SIGSETXID);
-#endif
 
   /* If this failed, it must have had not started yet or else exited.  */
   if (!INTERNAL_SYSCALL_ERROR_P (val, err))
diff --git a/nptl/pthread_cancel.c b/nptl/pthread_cancel.c
index 1bfca63581..cf6e48b414 100644
--- a/nptl/pthread_cancel.c
+++ b/nptl/pthread_cancel.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004, 2009 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -75,20 +75,9 @@ pthread_cancel (th)
 	     a signal handler.  But this is no allowed, pthread_cancel
 	     is not guaranteed to be async-safe.  */
 	  int val;
-#if __ASSUME_TGKILL
 	  val = INTERNAL_SYSCALL (tgkill, err, 3,
 				  THREAD_GETMEM (THREAD_SELF, pid), pd->tid,
 				  SIGCANCEL);
-#else
-# ifdef __NR_tgkill
-	  val = INTERNAL_SYSCALL (tgkill, err, 3,
-				  THREAD_GETMEM (THREAD_SELF, pid), pd->tid,
-				  SIGCANCEL);
-	  if (INTERNAL_SYSCALL_ERROR_P (val, err)
-	      && INTERNAL_SYSCALL_ERRNO (val, err) == ENOSYS)
-# endif
-	    val = INTERNAL_SYSCALL (tkill, err, 2, pd->tid, SIGCANCEL);
-#endif
 
 	  if (INTERNAL_SYSCALL_ERROR_P (val, err))
 	    result = INTERNAL_SYSCALL_ERRNO (val, err);
diff --git a/nptl/sysdeps/pthread/createthread.c b/nptl/sysdeps/pthread/createthread.c
index d58f8fa455..e8e10dcf73 100644
--- a/nptl/sysdeps/pthread/createthread.c
+++ b/nptl/sysdeps/pthread/createthread.c
@@ -109,13 +109,9 @@ do_clone (struct pthread *pd, const struct pthread_attr *attr,
 		 send it the cancellation signal.  */
 	      INTERNAL_SYSCALL_DECL (err2);
 	    err_out:
-#if __ASSUME_TGKILL
 	      (void) INTERNAL_SYSCALL (tgkill, err2, 3,
 				       THREAD_GETMEM (THREAD_SELF, pid),
 				       pd->tid, SIGCANCEL);
-#else
-	      (void) INTERNAL_SYSCALL (tkill, err2, 2, pd->tid, SIGCANCEL);
-#endif
 
 	      /* We do not free the stack here because the canceled thread
 		 itself will do this.  */
diff --git a/nptl/sysdeps/unix/sysv/linux/pt-raise.c b/nptl/sysdeps/unix/sysv/linux/pt-raise.c
index 39ba5d3097..71face45ac 100644
--- a/nptl/sysdeps/unix/sysv/linux/pt-raise.c
+++ b/nptl/sysdeps/unix/sysv/linux/pt-raise.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -27,25 +27,13 @@ int
 raise (sig)
      int sig;
 {
-#if __ASSUME_TGKILL || defined __NR_tgkill
   /* raise is an async-safe function.  It could be called while the
      fork function temporarily invalidated the PID field.  Adjust for
      that.  */
   pid_t pid = THREAD_GETMEM (THREAD_SELF, pid);
   if (__builtin_expect (pid < 0, 0))
     pid = -pid;
-#endif
 
-#if __ASSUME_TGKILL
   return INLINE_SYSCALL (tgkill, 3, pid, THREAD_GETMEM (THREAD_SELF, tid),
 			 sig);
-#else
-# ifdef __NR_tgkill
-  int res = INLINE_SYSCALL (tgkill, 3, pid, THREAD_GETMEM (THREAD_SELF, tid),
-			    sig);
-  if (res != -1 || errno != ENOSYS)
-    return res;
-# endif
-  return INLINE_SYSCALL (tkill, 2, THREAD_GETMEM (THREAD_SELF, tid), sig);
-#endif
 }
diff --git a/nptl/sysdeps/unix/sysv/linux/pthread_kill.c b/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
index b2a14228eb..6804bf283f 100644
--- a/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
+++ b/nptl/sysdeps/unix/sysv/linux/pthread_kill.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004, 2006, 2011 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -58,18 +58,8 @@ __pthread_kill (threadid, signo)
      fork, it would have to happen in a signal handler.  But this is
      no allowed, pthread_kill is not guaranteed to be async-safe.  */
   int val;
-#if __ASSUME_TGKILL
   val = INTERNAL_SYSCALL (tgkill, err, 3, THREAD_GETMEM (THREAD_SELF, pid),
 			  tid, signo);
-#else
-# ifdef __NR_tgkill
-  val = INTERNAL_SYSCALL (tgkill, err, 3, THREAD_GETMEM (THREAD_SELF, pid),
-			  tid, signo);
-  if (INTERNAL_SYSCALL_ERROR_P (val, err)
-      && INTERNAL_SYSCALL_ERRNO (val, err) == ENOSYS)
-# endif
-    val = INTERNAL_SYSCALL (tkill, err, 2, tid, signo);
-#endif
 
   return (INTERNAL_SYSCALL_ERROR_P (val, err)
 	  ? INTERNAL_SYSCALL_ERRNO (val, err) : 0);
diff --git a/nptl/sysdeps/unix/sysv/linux/raise.c b/nptl/sysdeps/unix/sysv/linux/raise.c
index 066427899a..268ab46d3f 100644
--- a/nptl/sysdeps/unix/sysv/linux/raise.c
+++ b/nptl/sysdeps/unix/sysv/linux/raise.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc.
+/* Copyright (C) 2002-2012 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
 
@@ -29,9 +29,7 @@ raise (sig)
      int sig;
 {
   struct pthread *pd = THREAD_SELF;
-#if __ASSUME_TGKILL || defined __NR_tgkill
   pid_t pid = THREAD_GETMEM (pd, pid);
-#endif
   pid_t selftid = THREAD_GETMEM (pd, tid);
   if (selftid == 0)
     {
@@ -44,31 +42,18 @@ raise (sig)
 #endif
       THREAD_SETMEM (pd, tid, selftid);
 
-#if __ASSUME_TGKILL || defined __NR_tgkill
       /* We do not set the PID field in the TID here since we might be
 	 called from a signal handler while the thread executes fork.  */
       pid = selftid;
-#endif
     }
-#if __ASSUME_TGKILL || defined __NR_tgkill
   else
     /* raise is an async-safe function.  It could be called while the
        fork/vfork function temporarily invalidated the PID field.  Adjust for
        that.  */
     if (__builtin_expect (pid <= 0, 0))
       pid = (pid & INT_MAX) == 0 ? selftid : -pid;
-#endif
 
-#if __ASSUME_TGKILL
   return INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
-#else
-# ifdef __NR_tgkill
-  int res = INLINE_SYSCALL (tgkill, 3, pid, selftid, sig);
-  if (res != -1 || errno != ENOSYS)
-    return res;
-# endif
-  return INLINE_SYSCALL (tkill, 2, selftid, sig);
-#endif
 }
 libc_hidden_def (raise)
 weak_alias (raise, gsignal)
diff --git a/ports/ChangeLog.alpha b/ports/ChangeLog.alpha
index 45061b23d6..97c4db6a69 100644
--- a/ports/ChangeLog.alpha
+++ b/ports/ChangeLog.alpha
@@ -1,3 +1,8 @@
+2012-08-08  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/alpha/kernel-features.h
+	(__ASSUME_TGKILL): Remove.
+
 2012-08-08  Richard Henderson  <rth@redhat.com>
 
 	* sysdeps/unix/sysv/linux/alpha/kernel-features.h
diff --git a/ports/ChangeLog.m68k b/ports/ChangeLog.m68k
index 5d4a0e882b..d517206d72 100644
--- a/ports/ChangeLog.m68k
+++ b/ports/ChangeLog.m68k
@@ -1,3 +1,8 @@
+2012-08-08  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/m68k/kernel-features.h
+	(__ASSUME_TGKILL): Remove.
+
 2012-08-08  Andreas Schwab  <schwab@linux-m68k.org>
 
 	* sysdeps/m68k/coldfire/fpu/bits/mathinline.h: New file.
diff --git a/ports/ChangeLog.tile b/ports/ChangeLog.tile
index 05f08bdf4f..164a7e6105 100644
--- a/ports/ChangeLog.tile
+++ b/ports/ChangeLog.tile
@@ -1,3 +1,8 @@
+2012-08-08  Joseph Myers  <joseph@codesourcery.com>
+
+	* sysdeps/unix/sysv/linux/tile/kernel-features.h
+	(__ASSUME_TGKILL): Remove.
+
 2012-08-02  Chris Metcalf  <cmetcalf@tilera.com>
 
 	* sysdeps/tile/sysdep.h: Do not define ASM_TYPE_DIRECTIVE.
diff --git a/ports/sysdeps/unix/sysv/linux/alpha/kernel-features.h b/ports/sysdeps/unix/sysv/linux/alpha/kernel-features.h
index a4e8de9d9a..ee349bc93d 100644
--- a/ports/sysdeps/unix/sysv/linux/alpha/kernel-features.h
+++ b/ports/sysdeps/unix/sysv/linux/alpha/kernel-features.h
@@ -20,9 +20,6 @@
 #ifndef _KERNEL_FEATURES_H
 #define _KERNEL_FEATURES_H 1
 
-/* The tgkill syscall was introduced for alpha 2.6.0-test1.  */
-#define __ASSUME_TGKILL	1
-
 #define __ASSUME_UTIMES	1
 
 /* Support for the O_CLOEXEC flag was added for alpha in 2.6.23.  */
diff --git a/ports/sysdeps/unix/sysv/linux/m68k/kernel-features.h b/ports/sysdeps/unix/sysv/linux/m68k/kernel-features.h
index 3196cbb107..4a8b5853b9 100644
--- a/ports/sysdeps/unix/sysv/linux/m68k/kernel-features.h
+++ b/ports/sysdeps/unix/sysv/linux/m68k/kernel-features.h
@@ -22,7 +22,6 @@
 #define __ASSUME_STAT64_SYSCALL	1
 
 /* Many syscalls were added in 2.6.10 for m68k.  */
-#define __ASSUME_TGKILL	1
 #define __ASSUME_UTIMES	1
 #define __ASSUME_FADVISE64_64_SYSCALL	1
 
diff --git a/ports/sysdeps/unix/sysv/linux/tile/kernel-features.h b/ports/sysdeps/unix/sysv/linux/tile/kernel-features.h
index 766b4ad6ca..3c00344d05 100644
--- a/ports/sysdeps/unix/sysv/linux/tile/kernel-features.h
+++ b/ports/sysdeps/unix/sysv/linux/tile/kernel-features.h
@@ -21,7 +21,6 @@
 #define __ASSUME_MMAP2_SYSCALL		1
 #define __ASSUME_STAT64_SYSCALL		1
 #define __ASSUME_CLONE_THREAD_FLAGS	1
-#define __ASSUME_TGKILL			1
 #define __ASSUME_UTIMES			1
 #define __ASSUME_FADVISE64_64_SYSCALL	1
 #define __ASSUME_O_CLOEXEC		1
diff --git a/sysdeps/unix/sysv/linux/kernel-features.h b/sysdeps/unix/sysv/linux/kernel-features.h
index 9f0a8e6218..21fba884e8 100644
--- a/sysdeps/unix/sysv/linux/kernel-features.h
+++ b/sysdeps/unix/sysv/linux/kernel-features.h
@@ -113,13 +113,6 @@
 /* The statfs64 syscalls are available in 2.5.74 (but not for alpha).  */
 #define __ASSUME_STATFS64	1
 
-/* The tgkill syscall was instroduced for i386 in 2.5.75.  On x86-64,
-   sparc, SH, ppc, and ppc64 it was introduced in 2.6.0-test3. */
-#if (defined __i386__ || defined __x86_64__ || defined __powerpc__	\
-     || defined __sh__ || defined __sparc__)
-# define __ASSUME_TGKILL	1
-#endif
-
 /* The utimes syscall has been available for some architectures
    forever.  For x86 it was introduced after 2.5.75, for x86-64,
    ppc, and ppc64 it was introduced in 2.6.0-test3.  */