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90dca2bc8e
We automatically enable _DEFAULT_SOURCE if _GNU_SOURCE is defined. Rather than having even more optional methods undefined unless _GNU_SOURCE manually is, just change all remaining guarts to use _DEFAULT_SOURCE instead. Fixes #19095. Change-Id: I5c7baf40b7fb37913e24279589fc1ae706448a45 Reviewed-on: https://review.haiku-os.org/c/haiku/+/8330 Reviewed-by: Adrien Destugues <pulkomandy@pulkomandy.tk> Reviewed-by: waddlesplash <waddlesplash@gmail.com> Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
67 lines
1.4 KiB
C
67 lines
1.4 KiB
C
/*
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* Copyright 2023 Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _GNU_SCHED_H_
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#define _GNU_SCHED_H_
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#include_next <sched.h>
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#include <features.h>
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#include <stdint.h>
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#include <sys/types.h>
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#ifdef _DEFAULT_SOURCE
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#ifndef CPU_SETSIZE
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#define CPU_SETSIZE 1024
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#endif
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typedef __haiku_uint32 cpuset_mask;
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#ifndef _howmany
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#define _howmany(x, y) (((x) + ((y) - 1)) / (y))
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#endif
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#define NCPUSETBITS (sizeof(cpuset_mask) * 8) /* bits per mask */
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typedef struct _cpuset {
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cpuset_mask bits[_howmany(CPU_SETSIZE, NCPUSETBITS)];
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} cpuset_t;
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#define _CPUSET_BITSINDEX(cpu) ((cpu) / NCPUSETBITS)
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#define _CPUSET_BIT(cpu) (1L << ((cpu) % NCPUSETBITS))
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/* FD_ZERO uses memset */
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#include <string.h>
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#define CPUSET_ZERO(set) memset((set), 0, sizeof(cpuset_t))
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#define CPUSET_SET(cpu, set) ((set)->bits[_CPUSET_BITSINDEX(cpu)] |= _CPUSET_BIT(cpu))
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#define CPUSET_CLR(cpu, set) ((set)->bits[_CPUSET_BITSINDEX(cpu)] &= ~_CPUSET_BIT(cpu))
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#define CPUSET_ISSET(cpu, set) ((set)->bits[_CPUSET_BITSINDEX(cpu)] & _CPUSET_BIT(cpu))
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#define CPUSET_COPY(source, target) (*(target) = *(source))
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern int sched_getcpu(void);
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extern int sched_setaffinity(pid_t id, size_t cpusetsize, const cpuset_t* mask);
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extern int sched_getaffinity(pid_t id, size_t cpusetsize, cpuset_t* mask);
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#ifdef __cplusplus
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}
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#endif
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#endif
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#endif /* _GNU_SCHED_H_ */
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