lkml.org 
[lkml]   [2016]   [Oct]   [7]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/3] cpu.h: use standard types instead of glib's
Date
Future commits will introduce standard C code that
wants to use cpu.h. Let's convert cpu.h to standard
types.

I'm choosing not to change the gui code that uses
cpu.h though. I think that in all platforms where
glib is supported, guint64 should always be uint64_t
and guint should always be unsigned int.

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
---
cpu.h | 47 +++++++++++++++++++++++++----------------------
1 file changed, 25 insertions(+), 22 deletions(-)

diff --git a/cpu.h b/cpu.h
index 05c7f17..fc0b3c4 100644
--- a/cpu.h
+++ b/cpu.h
@@ -20,45 +20,48 @@
#ifndef _CPU_H
#define _CPU_H

-static inline int cpu_isset(guint64 *cpu_mask, gint cpu)
+#include <stdint.h>
+#include <stdbool.h>
+
+static inline int cpu_isset(uint64_t *cpu_mask, int cpu)
{
- guint64 mask;
+ uint64_t mask;

mask = *(cpu_mask + (cpu >> 6));

return mask & (1ULL << (cpu & ((1ULL << 6) - 1)));
}

-static inline gboolean cpu_allset(guint64 *cpu_mask, gint max_cpus)
+static inline bool cpu_allset(uint64_t *cpu_mask, int max_cpus)
{
- gint cpu;
+ int cpu;

for (cpu = 0; cpu < max_cpus; cpu++) {
if (!cpu_isset(cpu_mask, cpu))
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}

-static inline void cpu_set(guint64 *cpu_mask, gint cpu)
+static inline void cpu_set(uint64_t *cpu_mask, int cpu)
{
- guint64 *mask;
+ uint64_t *mask;

mask = cpu_mask + (cpu >> 6);
*mask |= (1ULL << (cpu & ((1ULL << 6) - 1)));
}

-static inline void cpu_clear(guint64 *cpu_mask, gint cpu)
+static inline void cpu_clear(uint64_t *cpu_mask, int cpu)
{
- guint64 *mask;
+ uint64_t *mask;

mask = cpu_mask + (cpu >> 6);
*mask &= ~(1ULL << (cpu & ((1ULL << 6) - 1)));
}

-static inline void set_cpus(guint64 *cpu_mask, gint cpus)
+static inline void set_cpus(uint64_t *cpu_mask, int cpus)
{
- gint idx;
+ int idx;

for (idx = 0; idx < (cpus >> 6); idx++) {
*(cpu_mask + idx) = -1ULL;
@@ -67,22 +70,22 @@ static inline void set_cpus(guint64 *cpu_mask, gint cpus)
*(cpu_mask) = (1ULL << (cpus & ((1ULL << 6) - 1))) - 1;
}

-static inline gboolean cpus_equal(guint64 *a_mask, guint64 *b_mask,
- gint cpus)
+static inline bool cpus_equal(uint64_t *a_mask, uint64_t *b_mask,
+ int cpus)
{
- gint idx;
+ int idx;

for (idx = 0; idx < (cpus >> 6) + 1; idx++) {
if (*(a_mask + idx) != *(b_mask + idx))
- return FALSE;
+ return false;
}
- return TRUE;
+ return true;
}

/* Hamming weight */
-static inline guint hweight(guint mask)
+static inline unsigned int hweight(unsigned int mask)
{
- guint64 w = mask;
+ uint64_t w = mask;

w -= (w >> 1) & 0x5555555555555555ul;
w = (w & 0x3333333333333333ul) + ((w >> 2) & 0x3333333333333333ul);
@@ -90,10 +93,10 @@ static inline guint hweight(guint mask)
return (w * 0x0101010101010101ul) >> 56;
}

-static inline guint cpu_weight(guint64 *cpu_mask, guint cpus)
+static inline unsigned int cpu_weight(uint64_t *cpu_mask, unsigned int cpus)
{
- guint weight = 0;
- gint idx;
+ unsigned int weight = 0;
+ int idx;

for (idx = 0; idx < (cpus >> 6) + 1; idx++)
weight += hweight(*(cpu_mask + idx));
--
2.5.5
\
 
 \ /
  Last update: 2016-10-07 18:48    [W:0.116 / U:0.080 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site