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uclibc_git: Implement execvpe and refresh scheduler functions 

Enable UCLIBC_HAS_UTMPX

(From OE-Core rev: e586bfcbfda7e0aaa6323f9063d84f6663325bb1)

Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Khem Raj 2011-07-01 16:38:45 -07:00 committed by Richard Purdie
parent 07d0673527
commit 408d5f0a08
4 changed files with 621 additions and 1 deletions
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3
meta/recipes-core/uclibc/uclibc-git/uClibc.distro
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@ -178,3 +178,6 @@ UCLIBC_HAS_FLOATS=y
# by menuconfig for other arches.
# COMPILE_IN_THUMB_MODE is not set
# needed by systemd
UCLIBC_HAS_UTMPX=y

160
meta/recipes-core/uclibc/uclibc-git/uclibc-execvpe.patch Normal file
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@ -0,0 +1,160 @@
From d20556adadea03bff0bba051172caf0314a35471 Mon Sep 17 00:00:00 2001
From: Henning Heinold <heinold@inf.fu-berlin.de>
Date: Sat, 4 Jun 2011 21:23:15 +0200
Subject: [PATCH 2/2] libc: add non standard execvpe function
Signed-off-by: Henning Heinold <heinold@inf.fu-berlin.de>
---
include/unistd.h | 6 ++++++
libc/unistd/exec.c | 38 +++++++++++++++++++++++++++++++++-----
libc/unistd/execvpe.c | 7 +++++++
3 files changed, 46 insertions(+), 5 deletions(-)
create mode 100644 libc/unistd/execvpe.c
diff --git a/include/unistd.h b/include/unistd.h
index 9568790..070e4f2 100644
--- a/include/unistd.h
+++ b/include/unistd.h
@@ -557,6 +557,12 @@ extern int execvp (__const char *__file, char *__const __argv[])
__THROW __nonnull ((1));
libc_hidden_proto(execvp)
+/* Execute FILE, searching in the `PATH' environment variable if it contains
+ no slashes, with arguments ARGV and environment from a pointer */
+extern int execvpe (__const char *__file, char *__const __argv[], char *__const __envp[])
+ __THROW __nonnull ((1));
+libc_hidden_proto(execvpe)
+
/* Execute FILE, searching in the `PATH' environment variable if
it contains no slashes, with all arguments after FILE until a
NULL pointer and environment from `environ'. */
diff --git a/libc/unistd/exec.c b/libc/unistd/exec.c
index 7d24072..802a174 100644
--- a/libc/unistd/exec.c
+++ b/libc/unistd/exec.c
@@ -32,6 +32,8 @@
/**********************************************************************/
#define EXEC_FUNC_COMMON 0
#define EXEC_FUNC_EXECVP 1
+#define EXEC_FUNC_EXECVPE 2
+
#if defined(__ARCH_USE_MMU__)
/* We have an MMU, so use alloca() to grab space for buffers and arg lists. */
@@ -58,6 +60,7 @@
* execle(a) -> execve(-)
* execv(-) -> execve(-)
* execvp(a) -> execve(-)
+ * execvpe(a) -> execve(-)
*/
# define EXEC_ALLOC_SIZE(VAR) /* nothing to do */
@@ -219,15 +222,18 @@ libc_hidden_def(execlp)
#endif
/**********************************************************************/
-#ifdef L_execvp
+#if defined (L_execvp) || defined(L_execvpe)
/* Use a default path that matches glibc behavior, since SUSv3 says
* this is implementation-defined. The default is current working dir,
* /bin, and then /usr/bin. */
static const char default_path[] = ":/bin:/usr/bin";
-
+#if defined (L_execvp)
int execvp(const char *path, char *const argv[])
+#elif defined (L_execvpe)
+int execvpe(const char *path, char *const argv[], char *const envp[])
+#endif
{
char *buf = NULL;
char *p;
@@ -245,7 +251,11 @@ int execvp(const char *path, char *const argv[])
}
if (strchr(path, '/')) {
+#if defined (L_execvp)
execve(path, argv, __environ);
+#elif defined (L_execvpe)
+ execve(path, argv, envp);
+#endif
if (errno == ENOEXEC) {
char **nargv;
EXEC_ALLOC_SIZE(size2) /* Do NOT add a semicolon! */
@@ -254,11 +264,19 @@ int execvp(const char *path, char *const argv[])
/* Need the dimension - 1. We omit counting the trailing
* NULL but we actually omit the first entry. */
for (n=0 ; argv[n] ; n++) {}
+#if defined (L_execvp)
nargv = (char **) EXEC_ALLOC((n+2) * sizeof(char *), size2, EXEC_FUNC_EXECVP);
+#elif defined (L_execvpe)
+ nargv = (char **) EXEC_ALLOC((n+2) * sizeof(char *), size2, EXEC_FUNC_EXECVPE);
+#endif
nargv[0] = argv[0];
nargv[1] = (char *)path;
memcpy(nargv+2, argv+1, n*sizeof(char *));
+#if defined (L_execvp)
execve("/bin/sh", nargv, __environ);
+#elif defined (L_execvpe)
+ execve("/bin/sh", nargv, envp);
+#endif
EXEC_FREE(nargv, size2);
}
} else {
@@ -277,8 +295,11 @@ int execvp(const char *path, char *const argv[])
return -1;
}
len = (FILENAME_MAX - 1) - plen;
-
+#if defined (L_execvp)
buf = EXEC_ALLOC(FILENAME_MAX, size, EXEC_FUNC_EXECVP);
+#elif defined (L_execvpe)
+ buf = EXEC_ALLOC(FILENAME_MAX, size, EXEC_FUNC_EXECVPE);
+#endif
{
int seen_small = 0;
s0 = buf + len;
@@ -300,8 +321,11 @@ int execvp(const char *path, char *const argv[])
s[plen-1] = '/';
}
+#if defined (L_execvp)
execve(s, argv, __environ);
-
+#elif defined (L_execvpe)
+ execve(s, argv, envp);
+#endif
seen_small = 1;
if (errno == ENOEXEC) {
@@ -325,7 +349,11 @@ int execvp(const char *path, char *const argv[])
return -1;
}
+#if defined (L_execvp)
libc_hidden_def(execvp)
-
+#elif defined (L_execvpe)
+libc_hidden_def(execvpe)
#endif
+
+#endif /* #if defined (L_execvp) || defined(L_execvpe) */
/**********************************************************************/
diff --git a/libc/unistd/execvpe.c b/libc/unistd/execvpe.c
new file mode 100644
index 0000000..5c1ce06
--- /dev/null
+++ b/libc/unistd/execvpe.c
@@ -0,0 +1,7 @@
+/* Copyright (C) 2011 Hennning Heinold <heinold@inf.fu-berlin.de>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#define L_execvpe
+#include "exec.c"
--
1.7.5.3

455
meta/recipes-core/uclibc/uclibc-git/uclibc_scheduler_update.patch Normal file
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@ -0,0 +1,455 @@
From 2becc16ecbef71c496644d9dc6cbd7383d7cdca3 Mon Sep 17 00:00:00 2001
From: Henning Heinold <heinold@inf.fu-berlin.de>
Date: Sat, 4 Jun 2011 21:21:41 +0200
Subject: [PATCH 1/2] libc: updates the linux scheduler functions, most stuff
was taken from the eglibc
Signed-off-by: Henning Heinold <heinold@inf.fu-berlin.de>
---
include/sched.h | 52 ++++++++++++----
libc/sysdeps/linux/common/Makefile.in | 4 +-
libc/sysdeps/linux/common/bits/sched.h | 96 +++++++++++++++++++++++-----
libc/sysdeps/linux/common/sched_cpualloc.c | 27 ++++++++
libc/sysdeps/linux/common/sched_cpucount.c | 60 +++++++++++++++++
libc/sysdeps/linux/common/sched_cpufree.c | 27 ++++++++
libc/sysdeps/linux/common/sched_getcpu.c | 37 +++++++++++
libc/sysdeps/linux/common/unshare.c | 12 ++++
8 files changed, 286 insertions(+), 29 deletions(-)
create mode 100644 libc/sysdeps/linux/common/sched_cpualloc.c
create mode 100644 libc/sysdeps/linux/common/sched_cpucount.c
create mode 100644 libc/sysdeps/linux/common/sched_cpufree.c
create mode 100644 libc/sysdeps/linux/common/sched_getcpu.c
create mode 100644 libc/sysdeps/linux/common/unshare.c
diff --git a/include/sched.h b/include/sched.h
index 0d110c3..e265b84 100644
--- a/include/sched.h
+++ b/include/sched.h
@@ -1,5 +1,5 @@
/* Definitions for POSIX 1003.1b-1993 (aka POSIX.4) scheduling interface.
- Copyright (C) 1996,1997,1999,2001-2003,2004 Free Software Foundation, Inc.
+ Copyright (C) 1996,1997,1999,2001-2004,2007 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
@@ -25,6 +25,9 @@
/* Get type definitions. */
#include <bits/types.h>
+#define __need_size_t
+#include <stddef.h>
+
#define __need_timespec
#include <time.h>
@@ -65,11 +68,42 @@ extern int sched_rr_get_interval (__pid_t __pid, struct timespec *__t) __THROW;
#if defined __USE_GNU && defined __UCLIBC_LINUX_SPECIFIC__
/* Access macros for `cpu_set'. */
-#define CPU_SETSIZE __CPU_SETSIZE
-#define CPU_SET(cpu, cpusetp) __CPU_SET (cpu, cpusetp)
-#define CPU_CLR(cpu, cpusetp) __CPU_CLR (cpu, cpusetp)
-#define CPU_ISSET(cpu, cpusetp) __CPU_ISSET (cpu, cpusetp)
-#define CPU_ZERO(cpusetp) __CPU_ZERO (cpusetp)
+# define CPU_SETSIZE __CPU_SETSIZE
+# define CPU_SET(cpu, cpusetp) __CPU_SET_S (cpu, sizeof (cpu_set_t), cpusetp)
+# define CPU_CLR(cpu, cpusetp) __CPU_CLR_S (cpu, sizeof (cpu_set_t), cpusetp)
+# define CPU_ISSET(cpu, cpusetp) __CPU_ISSET_S (cpu, sizeof (cpu_set_t), \
+ cpusetp)
+# define CPU_ZERO(cpusetp) __CPU_ZERO_S (sizeof (cpu_set_t), cpusetp)
+# define CPU_COUNT(cpusetp) __CPU_COUNT_S (sizeof (cpu_set_t), cpusetp)
+
+# define CPU_SET_S(cpu, setsize, cpusetp) __CPU_SET_S (cpu, setsize, cpusetp)
+# define CPU_CLR_S(cpu, setsize, cpusetp) __CPU_CLR_S (cpu, setsize, cpusetp)
+# define CPU_ISSET_S(cpu, setsize, cpusetp) __CPU_ISSET_S (cpu, setsize, \
+ cpusetp)
+# define CPU_ZERO_S(setsize, cpusetp) __CPU_ZERO_S (setsize, cpusetp)
+# define CPU_COUNT_S(setsize, cpusetp) __CPU_COUNT_S (setsize, cpusetp)
+
+# define CPU_EQUAL(cpusetp1, cpusetp2) \
+ __CPU_EQUAL_S (sizeof (cpu_set_t), cpusetp1, cpusetp2)
+# define CPU_EQUAL_S(setsize, cpusetp1, cpusetp2) \
+ __CPU_EQUAL_S (setsize, cpusetp1, cpusetp2)
+
+# define CPU_AND(destset, srcset1, srcset2) \
+ __CPU_OP_S (sizeof (cpu_set_t), destset, srcset1, srcset2, &)
+# define CPU_OR(destset, srcset1, srcset2) \
+ __CPU_OP_S (sizeof (cpu_set_t), destset, srcset1, srcset2, |)
+# define CPU_XOR(destset, srcset1, srcset2) \
+ __CPU_OP_S (sizeof (cpu_set_t), destset, srcset1, srcset2, ^)
+# define CPU_AND_S(setsize, destset, srcset1, srcset2) \
+ __CPU_OP_S (setsize, destset, srcset1, srcset2, &)
+# define CPU_OR_S(setsize, destset, srcset1, srcset2) \
+ __CPU_OP_S (setsize, destset, srcset1, srcset2, |)
+# define CPU_XOR_S(setsize, destset, srcset1, srcset2) \
+ __CPU_OP_S (setsize, destset, srcset1, srcset2, ^)
+
+# define CPU_ALLOC_SIZE(count) __CPU_ALLOC_SIZE (count)
+# define CPU_ALLOC(count) __CPU_ALLOC (count)
+# define CPU_FREE(cpuset) __CPU_FREE (cpuset)
/* Set the CPU affinity for a task */
@@ -79,12 +113,6 @@ extern int sched_setaffinity (__pid_t __pid, size_t __cpusetsize,
/* Get the CPU affinity for a task */
extern int sched_getaffinity (__pid_t __pid, size_t __cpusetsize,
cpu_set_t *__cpuset) __THROW;
-
-extern int __clone (int (*__fn) (void *__arg), void *__child_stack,
- int __flags, void *__arg, ...);
-extern int __clone2 (int (*__fn) (void *__arg), void *__child_stack_base,
- size_t __child_stack_size, int __flags, void *__arg, ...);
-
#endif
__END_DECLS
diff --git a/libc/sysdeps/linux/common/Makefile.in b/libc/sysdeps/linux/common/Makefile.in
index 8f936ff..cb8c153 100644
--- a/libc/sysdeps/linux/common/Makefile.in
+++ b/libc/sysdeps/linux/common/Makefile.in
@@ -22,9 +22,11 @@ CSRC-$(UCLIBC_LINUX_SPECIFIC) += capget.c capset.c inotify.c ioperm.c iopl.c \
modify_ldt.c pipe2.c personality.c ppoll.c prctl.c \
readahead.c reboot.c \
remap_file_pages.c sched_getaffinity.c sched_setaffinity.c \
+ sched_cpualloc.c sched_cpucount.c sched_cpufree.c \
sendfile64.c sendfile.c setfsgid.c setfsuid.c setresuid.c \
splice.c vmsplice.c tee.c signalfd.c swapoff.c swapon.c \
- sync_file_range.c sysctl.c sysinfo.c timerfd.c uselib.c vhangup.c
+ sync_file_range.c sysctl.c sysinfo.c timerfd.c unshare.c \
+ uselib.c vhangup.c
# NPTL needs these internally: madvise.c
CSRC-$(findstring y,$(UCLIBC_LINUX_SPECIFIC)$(UCLIBC_HAS_THREADS_NATIVE)) += madvise.c
ifeq ($(UCLIBC_HAS_THREADS_NATIVE),y)
diff --git a/libc/sysdeps/linux/common/bits/sched.h b/libc/sysdeps/linux/common/bits/sched.h
index b48a0c8..fea66a8 100644
--- a/libc/sysdeps/linux/common/bits/sched.h
+++ b/libc/sysdeps/linux/common/bits/sched.h
@@ -1,6 +1,7 @@
/* Definitions of constants and data structure for POSIX 1003.1b-1993
scheduling interface.
- Copyright (C) 1996-1999,2001-2003,2005,2006 Free Software Foundation, Inc.
+ Copyright (C) 1996-1999,2001-2003,2005,2006,2007,2008
+ 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
@@ -58,7 +59,13 @@
force CLONE_PTRACE on this clone. */
# define CLONE_CHILD_SETTID 0x01000000 /* Store TID in userlevel buffer in
the child. */
-# define CLONE_STOPPED 0x02000000 /* Start in stopped state. */
+# define CLONE_STOPPED 0x02000000 /* Start in stopped state. */
+# define CLONE_NEWUTS 0x04000000 /* New utsname group. */
+# define CLONE_NEWIPC 0x08000000 /* New ipcs. */
+# define CLONE_NEWUSER 0x10000000 /* New user namespace. */
+# define CLONE_NEWPID 0x20000000 /* New pid namespace. */
+# define CLONE_NEWNET 0x40000000 /* New network namespace. */
+# define CLONE_IO 0x80000000 /* Clone I/O context. */
#endif
/* The official definition. */
@@ -74,10 +81,11 @@ __BEGIN_DECLS
extern int clone (int (*__fn) (void *__arg), void *__child_stack,
int __flags, void *__arg, ...) __THROW;
-#if 0
/* Unshare the specified resources. */
extern int unshare (int __flags) __THROW;
-#endif
+
+/* Get index of currently used CPU. */
+extern int sched_getcpu (void) __THROW;
#endif
__END_DECLS
@@ -102,7 +110,7 @@ struct __sched_param
# define __CPU_SETSIZE 1024
# define __NCPUBITS (8 * sizeof (__cpu_mask))
-/* Type for array elements in 'cpu_set'. */
+/* Type for array elements in 'cpu_set_t'. */
typedef unsigned long int __cpu_mask;
/* Basic access functions. */
@@ -116,17 +124,73 @@ typedef struct
} cpu_set_t;
/* Access functions for CPU masks. */
-# define __CPU_ZERO(cpusetp) \
+# define __CPU_ZERO_S(setsize, cpusetp) \
do { \
- unsigned int __i; \
- cpu_set_t *__arr = (cpusetp); \
- for (__i = 0; __i < sizeof (cpu_set_t) / sizeof (__cpu_mask); ++__i) \
- __arr->__bits[__i] = 0; \
+ size_t __i; \
+ size_t __imax = (setsize) / sizeof (__cpu_mask); \
+ __cpu_mask *__bits = (cpusetp)->__bits; \
+ for (__i = 0; __i < __imax; ++__i) \
+ __bits[__i] = 0; \
} while (0)
-# define __CPU_SET(cpu, cpusetp) \
- ((cpusetp)->__bits[__CPUELT (cpu)] |= __CPUMASK (cpu))
-# define __CPU_CLR(cpu, cpusetp) \
- ((cpusetp)->__bits[__CPUELT (cpu)] &= ~__CPUMASK (cpu))
-# define __CPU_ISSET(cpu, cpusetp) \
- (((cpusetp)->__bits[__CPUELT (cpu)] & __CPUMASK (cpu)) != 0)
+# define __CPU_SET_S(cpu, setsize, cpusetp) \
+ (__extension__ \
+ ({ size_t __cpu = (cpu); \
+ __cpu < 8 * (setsize) \
+ ? (((__cpu_mask *) ((cpusetp)->__bits))[__CPUELT (__cpu)] \
+ |= __CPUMASK (__cpu)) \
+ : 0; }))
+# define __CPU_CLR_S(cpu, setsize, cpusetp) \
+ (__extension__ \
+ ({ size_t __cpu = (cpu); \
+ __cpu < 8 * (setsize) \
+ ? (((__cpu_mask *) ((cpusetp)->__bits))[__CPUELT (__cpu)] \
+ &= ~__CPUMASK (__cpu)) \
+ : 0; }))
+# define __CPU_ISSET_S(cpu, setsize, cpusetp) \
+ (__extension__ \
+ ({ size_t __cpu = (cpu); \
+ __cpu < 8 * (setsize) \
+ ? ((((__cpu_mask *) ((cpusetp)->__bits))[__CPUELT (__cpu)] \
+ & __CPUMASK (__cpu))) != 0 \
+ : 0; }))
+
+# define __CPU_COUNT_S(setsize, cpusetp) \
+ __sched_cpucount (setsize, cpusetp)
+
+# define __CPU_EQUAL_S(setsize, cpusetp1, cpusetp2) \
+ (__extension__ \
+ ({ __cpu_mask *__arr1 = (cpusetp1)->__bits; \
+ __cpu_mask *__arr2 = (cpusetp2)->__bits; \
+ size_t __imax = (setsize) / sizeof (__cpu_mask); \
+ size_t __i; \
+ for (__i = 0; __i < __imax; ++__i) \
+ if (__arr1[__i] != __arr2[__i]) \
+ break; \
+ __i == __imax; }))
+
+# define __CPU_OP_S(setsize, destset, srcset1, srcset2, op) \
+ (__extension__ \
+ ({ cpu_set_t *__dest = (destset); \
+ __cpu_mask *__arr1 = (srcset1)->__bits; \
+ __cpu_mask *__arr2 = (srcset2)->__bits; \
+ size_t __imax = (setsize) / sizeof (__cpu_mask); \
+ size_t __i; \
+ for (__i = 0; __i < __imax; ++__i) \
+ ((__cpu_mask *) __dest->__bits)[__i] = __arr1[__i] op __arr2[__i]; \
+ __dest; }))
+
+# define __CPU_ALLOC_SIZE(count) \
+ ((((count) + __NCPUBITS - 1) / __NCPUBITS) * sizeof (__cpu_mask))
+# define __CPU_ALLOC(count) __sched_cpualloc (count)
+# define __CPU_FREE(cpuset) __sched_cpufree (cpuset)
+
+__BEGIN_DECLS
+
+extern int __sched_cpucount (size_t __setsize, const cpu_set_t *__setp)
+ __THROW;
+extern cpu_set_t *__sched_cpualloc (size_t __count) __THROW __wur;
+extern void __sched_cpufree (cpu_set_t *__set) __THROW;
+
+__END_DECLS
+
#endif
diff --git a/libc/sysdeps/linux/common/sched_cpualloc.c b/libc/sysdeps/linux/common/sched_cpualloc.c
new file mode 100644
index 0000000..2642a80
--- /dev/null
+++ b/libc/sysdeps/linux/common/sched_cpualloc.c
@@ -0,0 +1,27 @@
+/* Copyright (C) 2007 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
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sched.h>
+#include <stdlib.h>
+
+
+cpu_set_t *
+__sched_cpualloc (size_t count)
+{
+ return malloc (CPU_ALLOC_SIZE (count));
+}
diff --git a/libc/sysdeps/linux/common/sched_cpucount.c b/libc/sysdeps/linux/common/sched_cpucount.c
new file mode 100644
index 0000000..331c0b8
--- /dev/null
+++ b/libc/sysdeps/linux/common/sched_cpucount.c
@@ -0,0 +1,60 @@
+/* Copyright (C) 2007 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
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <limits.h>
+#include <sched.h>
+
+
+int
+__sched_cpucount (size_t setsize, const cpu_set_t *setp)
+{
+ int s = 0;
+ const __cpu_mask *p = setp->__bits;
+ const __cpu_mask *end = &setp->__bits[setsize / sizeof (__cpu_mask)];
+
+ while (p < end)
+ {
+ __cpu_mask l = *p++;
+
+#ifdef POPCNT
+ s += POPCNT (l);
+#else
+ if (l == 0)
+ continue;
+
+# if LONG_BIT > 32
+ l = (l & 0x5555555555555555ul) + ((l >> 1) & 0x5555555555555555ul);
+ l = (l & 0x3333333333333333ul) + ((l >> 2) & 0x3333333333333333ul);
+ l = (l & 0x0f0f0f0f0f0f0f0ful) + ((l >> 4) & 0x0f0f0f0f0f0f0f0ful);
+ l = (l & 0x00ff00ff00ff00fful) + ((l >> 8) & 0x00ff00ff00ff00fful);
+ l = (l & 0x0000ffff0000fffful) + ((l >> 16) & 0x0000ffff0000fffful);
+ l = (l & 0x00000000fffffffful) + ((l >> 32) & 0x00000000fffffffful);
+# else
+ l = (l & 0x55555555ul) + ((l >> 1) & 0x55555555ul);
+ l = (l & 0x33333333ul) + ((l >> 2) & 0x33333333ul);
+ l = (l & 0x0f0f0f0ful) + ((l >> 4) & 0x0f0f0f0ful);
+ l = (l & 0x00ff00fful) + ((l >> 8) & 0x00ff00fful);
+ l = (l & 0x0000fffful) + ((l >> 16) & 0x0000fffful);
+# endif
+
+ s += l;
+#endif
+ }
+
+ return s;
+}
diff --git a/libc/sysdeps/linux/common/sched_cpufree.c b/libc/sysdeps/linux/common/sched_cpufree.c
new file mode 100644
index 0000000..dd4c613
--- /dev/null
+++ b/libc/sysdeps/linux/common/sched_cpufree.c
@@ -0,0 +1,27 @@
+/* Copyright (C) 2007 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
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <sched.h>
+#include <stdlib.h>
+
+
+void
+__sched_cpufree (cpu_set_t *set)
+{
+ free (set);
+}
diff --git a/libc/sysdeps/linux/common/sched_getcpu.c b/libc/sysdeps/linux/common/sched_getcpu.c
new file mode 100644
index 0000000..b193d65
--- /dev/null
+++ b/libc/sysdeps/linux/common/sched_getcpu.c
@@ -0,0 +1,37 @@
+/* Copyright (C) 2007 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
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include <stdlib.h>
+#include <errno.h>
+#include <sched.h>
+#include <sysdep.h>
+
+
+int
+sched_getcpu (void)
+{
+#ifdef __NR_getcpu
+ unsigned int cpu;
+ int r = INLINE_SYSCALL (getcpu, 3, &cpu, NULL, NULL);
+
+ return r == -1 ? r : cpu;
+#else
+ __set_errno (ENOSYS);
+ return -1;
+#endif
+}
diff --git a/libc/sysdeps/linux/common/unshare.c b/libc/sysdeps/linux/common/unshare.c
new file mode 100644
index 0000000..485bf88
--- /dev/null
+++ b/libc/sysdeps/linux/common/unshare.c
@@ -0,0 +1,12 @@
+/* vi: set sw=4 ts=4: */
+/*
+ * unshare() for uClibc
+ *
+ * Copyright (C) 2011 Henning Heinold <heinold@inf.fu-berlin.de>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include <sys/syscall.h>
+#include <sched.h>
+_syscall1(int, unshare, int, flags)
--
1.7.5.3

4
meta/recipes-core/uclibc/uclibc_git.bb
View File

@ -6,7 +6,7 @@ require uclibc.inc
DEFAULT_PREFERENCE = "-1"
PV = "0.9.32+0.9.33-rc0"
PR = "${INC_PR}.0"
PR = "${INC_PR}.1"
PROVIDES += "virtual/${TARGET_PREFIX}libc-for-gcc"
FILESPATH = "${@base_set_filespath([ '${FILE_DIRNAME}/uclibc-git' ], d)}"
@ -24,5 +24,7 @@ SRC_URI = "git://uclibc.org/uClibc.git;branch=master;protocol=git \
file://compile-arm-fork-with-O2.patch \
file://orign_path.patch \
file://rtld_no.patch \
file://uclibc-execvpe.patch \
file://uclibc_scheduler_update.patch \
"
S = "${WORKDIR}/git"