* sysdeps/unix/sysv/linux/syscalls.list: Add epoll_pwait.

* sysdeps/unix/sysv/linux/sys/epoll.h: Declare epoll_pwait. * sysdeps/unix/sysv/linux/Versions (libc): Add epoll_pwait for version GLIBC_2.6. * Versions.def: Add GLIBC_2.6 for libc. * sysdeps/unix/sysv/linux/i386/sysdep.h (DOARGS_6): Fix offset.
git-mirror · Oct 11, 2006 · 46c38bd · 46c38bd
1 parent 37fb759
commit 46c38bd
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diff --git a/ChangeLog b/ChangeLog
@@ -1,5 +1,13 @@
 2006-10-11  Ulrich Drepper  <drepper@redhat.com>
 
+	* sysdeps/unix/sysv/linux/syscalls.list: Add epoll_pwait.
+	* sysdeps/unix/sysv/linux/sys/epoll.h: Declare epoll_pwait.
+	* sysdeps/unix/sysv/linux/Versions (libc): Add epoll_pwait for
+	version GLIBC_2.6.
+	* Versions.def: Add GLIBC_2.6 for libc.
+
+	* sysdeps/unix/sysv/linux/i386/sysdep.h (DOARGS_6): Fix offset.
+
 	* sysdeps/i386/i486/bits/atomic.h: Add catomic_* support.
 
 2006-10-11  Jakub Jelinek  <jakub@redhat.com>

diff --git a/NEWS b/NEWS
@@ -1,9 +1,14 @@
-GNU C Library NEWS -- history of user-visible changes.  2006-09-29
+GNU C Library NEWS -- history of user-visible changes.  2006-10-11
 Copyright (C) 1992-2002,2003,2004,2005,2006 Free Software Foundation, Inc.
 See the end for copying conditions.
 
 Please send GNU C library bug reports via <http://sources.redhat.com/bugzilla/>
 using `glibc' in the "product" field.
+
+Version 2.6
+
+* New Linux interfaces: epoll_pwait.
+
 
 Version 2.5
 

diff --git a/Versions.def b/Versions.def
@@ -22,6 +22,7 @@ libc {
   GLIBC_2.3.4
   GLIBC_2.4
   GLIBC_2.5
+  GLIBC_2.6
 %ifdef USE_IN_LIBIO
   HURD_CTHREADS_0.3
 %endif

diff --git a/nptl/ChangeLog b/nptl/ChangeLog
@@ -1,5 +1,8 @@
 2006-10-11  Ulrich Drepper  <drepper@redhat.com>
 
+	* sysdeps/unix/sysv/linux/i386/sysdep-cancel.h: Add support for
+	cancelable syscalls with six parameters.
+
 	* sysdeps/unix/sysv/linux/rtld-lowlevel.h: Use catomic_*
 	operations instead of atomic_*.
 

diff --git a/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/i386/sysdep-cancel.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
    Contributed by Jakub Jelinek <jakub@redhat.com>, 2002.
 
@@ -58,6 +58,7 @@
 # define SAVE_OLDTYPE_3	SAVE_OLDTYPE_2
 # define SAVE_OLDTYPE_4	SAVE_OLDTYPE_2
 # define SAVE_OLDTYPE_5	SAVE_OLDTYPE_2
+# define SAVE_OLDTYPE_6	SAVE_OLDTYPE_2
 
 # define PUSHCARGS_0	/* No arguments to push.  */
 # define DOCARGS_0	/* No arguments to frob.  */
@@ -101,6 +102,14 @@
 # define _POPCARGS_5	_POPCARGS_4; popl %edi; \
 			cfi_adjust_cfa_offset (-4); cfi_restore (edi);
 
+# define PUSHCARGS_6	_PUSHCARGS_6
+# define DOCARGS_6	_DOARGS_6 (44)
+# define POPCARGS_6	_POPCARGS_6
+# define _PUSHCARGS_6	pushl %ebp; cfi_adjust_cfa_offset (4); \
+			cfi_rel_offset (ebp, 0); _PUSHCARGS_5
+# define _POPCARGS_6	_POPCARGS_5; popl %ebp; \
+			cfi_adjust_cfa_offset (-4); cfi_restore (ebp);
+
 # ifdef IS_IN_libpthread
 #  define CENABLE	call __pthread_enable_asynccancel;
 #  define CDISABLE	call __pthread_disable_asynccancel
@@ -122,6 +131,7 @@
 # define POPSTATE_3	POPSTATE_2
 # define POPSTATE_4	POPSTATE_3
 # define POPSTATE_5	POPSTATE_4
+# define POPSTATE_6	POPSTATE_5
 
 # ifndef __ASSEMBLER__
 #  define SINGLE_THREAD_P \

diff --git a/sysdeps/unix/sysv/linux/Versions b/sysdeps/unix/sysv/linux/Versions
@@ -126,6 +126,9 @@ libc {
   GLIBC_2.5 {
     splice; sync_file_range; tee; vmsplice;
   }
+  GLIBC_2.6 {
+    epoll_pwait;
+  }
   GLIBC_PRIVATE {
     # functions used in other libraries
     __syscall_rt_sigqueueinfo;

diff --git a/sysdeps/unix/sysv/linux/i386/sysdep.h b/sysdeps/unix/sysv/linux/i386/sysdep.h
@@ -297,7 +297,7 @@
 			cfi_restore (edi); L(POPDI1):
 
 #define PUSHARGS_6	_PUSHARGS_6
-#define DOARGS_6	_DOARGS_6 (36)
+#define DOARGS_6	_DOARGS_6 (40)
 #define POPARGS_6	_POPARGS_6
 #define _PUSHARGS_6	pushl %ebp; cfi_adjust_cfa_offset (4); \
 			cfi_rel_offset (ebp, 0); L(PUSHBP1): _PUSHARGS_5

diff --git a/sysdeps/unix/sysv/linux/sys/epoll.h b/sysdeps/unix/sysv/linux/sys/epoll.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+/* Copyright (C) 2002, 2003, 2004, 2005, 2006 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
@@ -22,6 +22,14 @@
 #include <stdint.h>
 #include <sys/types.h>
 
+/* Get __sigset_t.  */
+#include <bits/sigset.h>
+
+#ifndef __sigset_t_defined
+# define __sigset_t_defined
+typedef __sigset_t sigset_t;
+#endif
+
 
 enum EPOLL_EVENTS
   {
@@ -105,6 +113,16 @@ extern int epoll_ctl (int __epfd, int __op, int __fd,
 extern int epoll_wait (int __epfd, struct epoll_event *__events,
 		       int __maxevents, int __timeout);
 
+
+/* Same as epoll_wait, but the thread's signal mask is temporarily
+   and atomically replaced with the one provided as parameter.
+
+   This function is a cancellation point and therefore not marked with
+   __THROW.  */
+extern int epoll_pwait (int __epfd, struct epoll_event *__events,
+			int __maxevents, int __timeout,
+			__const __sigset_t *__ss);
+
 __END_DECLS
 
 #endif /* sys/epoll.h */
diff --git a/sysdeps/unix/sysv/linux/syscalls.list b/sysdeps/unix/sysv/linux/syscalls.list
@@ -10,6 +10,7 @@ delete_module	EXTRA	delete_module	3	delete_module
 epoll_create	EXTRA	epoll_create	i:i	epoll_create
 epoll_ctl	EXTRA	epoll_ctl	i:iiip	epoll_ctl
 epoll_wait	EXTRA	epoll_wait	Ci:ipii	epoll_wait
+epoll_pwait	EXTRA	epoll_pwait	Ci:ipiipi	epoll_pwait
 fdatasync	-	fdatasync	i:i	fdatasync
 flock		-	flock		i:ii	__flock		flock
 fork		-	fork		i:	__libc_fork	__fork fork