aboutsummaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--ChangeLog3
-rw-r--r--bits/sched.h5
-rw-r--r--posix/sched.h13
-rw-r--r--posix/sched_cpucount.c4
-rw-r--r--sysdeps/unix/sysv/linux/bits/sched.h6
5 files changed, 21 insertions, 10 deletions
diff --git a/ChangeLog b/ChangeLog
index a5ed0422ac..9b6d74fd96 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -5,6 +5,9 @@
* posix/sched_cpucount.c: New file.
* posix/tst-cpucount.c: New file.
* posix/Versions: Export __sched_cpucount with version GLIBC_2.6.
+ * bits/sched.h: Define __CPU_COUNT. Declare __sched_cpucount.
+ * sysdeps/unix/sysv/linux/bits/sched.h: Likewise.
+ * posix/sched.h: Define CPU_COUNT.
2007-03-27 Jakub Jelinek <jakub@redhat.com>
diff --git a/bits/sched.h b/bits/sched.h
index 91b6dca0ca..32434a3798 100644
--- a/bits/sched.h
+++ b/bits/sched.h
@@ -1,6 +1,6 @@
/* Definitions of constants and data structure for POSIX 1003.1b-1993
scheduling interface.
- Copyright (C) 1996, 1997, 2001, 2003 Free Software Foundation, Inc.
+ Copyright (C) 1996, 1997, 2001, 2003, 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
@@ -68,4 +68,7 @@ typedef struct
((cpusetp)->__bits[__CPUELT (cpu)] &= ~__CPUMASK (cpu))
# define __CPU_ISSET(cpu, cpusetp) \
(((cpusetp)->__bits[__CPUELT (cpu)] & __CPUMASK (cpu)) != 0)
+extern int __sched_cpucount (size_t __setsize, cpu_set_t *__setp) __THROW;
+# define __CPU_COUNT(cpusetp) \
+ __sched_cpucount (sizeof (cpu_set_t), cpusetp)
#endif
diff --git a/posix/sched.h b/posix/sched.h
index 7cfdbf1f96..becad0f365 100644
--- a/posix/sched.h
+++ b/posix/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
@@ -65,11 +65,12 @@ extern int sched_rr_get_interval (__pid_t __pid, struct timespec *__t) __THROW;
#ifdef __USE_GNU
/* 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 (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_COUNT(cpusetp) __CPU_COUNT (cpusetp)
/* Set the CPU affinity for a task */
diff --git a/posix/sched_cpucount.c b/posix/sched_cpucount.c
index 8404e8f3c0..d7f6b7b49f 100644
--- a/posix/sched_cpucount.c
+++ b/posix/sched_cpucount.c
@@ -21,10 +21,10 @@
int
-__sched_cpucount (cpu_set_t *setp)
+__sched_cpucount (size_t setsize, cpu_set_t *setp)
{
int s = 0;
- for (unsigned int j = 0; j < __CPU_SETSIZE / __NCPUBITS; ++j)
+ for (unsigned int j = 0; j < setsize / sizeof (__cpu_mask); ++j)
{
__cpu_mask l = setp->__bits[j];
if (l == 0)
diff --git a/sysdeps/unix/sysv/linux/bits/sched.h b/sysdeps/unix/sysv/linux/bits/sched.h
index 4a95a263f7..1d9c7b9f35 100644
--- a/sysdeps/unix/sysv/linux/bits/sched.h
+++ b/sysdeps/unix/sysv/linux/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
+ 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
@@ -127,4 +128,7 @@ typedef struct
((cpusetp)->__bits[__CPUELT (cpu)] &= ~__CPUMASK (cpu))
# define __CPU_ISSET(cpu, cpusetp) \
(((cpusetp)->__bits[__CPUELT (cpu)] & __CPUMASK (cpu)) != 0)
+extern int __sched_cpucount (size_t __setsize, cpu_set_t *__setp) __THROW;
+# define __CPU_COUNT(cpusetp) \
+ __sched_cpucount (sizeof (cpu_set_t), cpusetp)
#endif