[thirdparty/systemd.git] / src / basic / cpu-set-util.h

/* SPDX-License-Identifier: LGPL-2.1+ */
#pragma once

/***
  Copyright 2015 Filipe Brandenburger
***/

#include <sched.h>

#include "macro.h"

#ifdef __NCPUBITS
#define CPU_SIZE_TO_NUM(n) ((n) * __NCPUBITS)
#else
#define CPU_SIZE_TO_NUM(n) ((n) * sizeof(cpu_set_t) * 8)
#endif

DEFINE_TRIVIAL_CLEANUP_FUNC(cpu_set_t*, CPU_FREE);
#define _cleanup_cpu_free_ _cleanup_(CPU_FREEp)

static inline cpu_set_t* cpu_set_mfree(cpu_set_t *p) {
        if (p)
                CPU_FREE(p);
        return NULL;
}

cpu_set_t* cpu_set_malloc(unsigned *ncpus);

int parse_cpu_set_internal(const char *rvalue, cpu_set_t **cpu_set, bool warn, const char *unit, const char *filename, unsigned line, const char *lvalue);

static inline int parse_cpu_set_and_warn(const char *rvalue, cpu_set_t **cpu_set, const char *unit, const char *filename, unsigned line, const char *lvalue) {
        assert(lvalue);

        return parse_cpu_set_internal(rvalue, cpu_set, true, unit, filename, line, lvalue);
}

static inline int parse_cpu_set(const char *rvalue, cpu_set_t **cpu_set){
        return parse_cpu_set_internal(rvalue, cpu_set, false, NULL, NULL, 0, NULL);
}
Commit	Line	Data
53e1b683	1	/* SPDX-License-Identifier: LGPL-2.1+ */
618234a5 LP	2	#pragma once
	3
	4	/***
618234a5	5	Copyright 2015 Filipe Brandenburger
618234a5 LP	6	***/
	7
	8	#include <sched.h>
	9
	10	#include "macro.h"
	11
501941aa YW	12	#ifdef __NCPUBITS
	13	#define CPU_SIZE_TO_NUM(n) ((n) * __NCPUBITS)
	14	#else
	15	#define CPU_SIZE_TO_NUM(n) ((n) * sizeof(cpu_set_t) * 8)
	16	#endif
	17
618234a5 LP	18	DEFINE_TRIVIAL_CLEANUP_FUNC(cpu_set_t*, CPU_FREE);
	19	#define _cleanup_cpu_free_ _cleanup_(CPU_FREEp)
	20
a9a2ed3f YW	21	static inline cpu_set_t* cpu_set_mfree(cpu_set_t *p) {
	22	if (p)
	23	CPU_FREE(p);
	24	return NULL;
	25	}
	26
618234a5 LP	27	cpu_set_t* cpu_set_malloc(unsigned *ncpus);
618234a5 LP	28
6d8a29b2 YW	29	int parse_cpu_set_internal(const char rvalue, cpu_set_t cpu_set, bool warn, const char unit, const char filename, unsigned line, const char lvalue);
	30
	31	static inline int parse_cpu_set_and_warn(const char rvalue, cpu_set_t cpu_set, const char unit, const char filename, unsigned line, const char lvalue) {
	32	assert(lvalue);
	33
	34	return parse_cpu_set_internal(rvalue, cpu_set, true, unit, filename, line, lvalue);
	35	}
	36
	37	static inline int parse_cpu_set(const char rvalue, cpu_set_t *cpu_set){
	38	return parse_cpu_set_internal(rvalue, cpu_set, false, NULL, NULL, 0, NULL);
	39	}