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6f52b16c5b
Many user space API headers are missing licensing information, which makes it hard for compliance tools to determine the correct license. By default are files without license information under the default license of the kernel, which is GPLV2. Marking them GPLV2 would exclude them from being included in non GPLV2 code, which is obviously not intended. The user space API headers fall under the syscall exception which is in the kernels COPYING file: NOTE! This copyright does *not* cover user programs that use kernel services by normal system calls - this is merely considered normal use of the kernel, and does *not* fall under the heading of "derived work". otherwise syscall usage would not be possible. Update the files which contain no license information with an SPDX license identifier. The chosen identifier is 'GPL-2.0 WITH Linux-syscall-note' which is the officially assigned identifier for the Linux syscall exception. SPDX license identifiers are a legally binding shorthand, which can be used instead of the full boiler plate text. This patch is based on work done by Thomas Gleixner and Kate Stewart and Philippe Ombredanne. See the previous patch in this series for the methodology of how this patch was researched. Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Philippe Ombredanne <pombredanne@nexb.com> Reviewed-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
30 lines
865 B
C
30 lines
865 B
C
/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
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#ifndef __ASM_GENERIC_SIGNAL_DEFS_H
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#define __ASM_GENERIC_SIGNAL_DEFS_H
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#include <linux/compiler.h>
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#ifndef SIG_BLOCK
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#define SIG_BLOCK 0 /* for blocking signals */
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#endif
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#ifndef SIG_UNBLOCK
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#define SIG_UNBLOCK 1 /* for unblocking signals */
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#endif
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#ifndef SIG_SETMASK
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#define SIG_SETMASK 2 /* for setting the signal mask */
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#endif
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#ifndef __ASSEMBLY__
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typedef void __signalfn_t(int);
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typedef __signalfn_t __user *__sighandler_t;
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typedef void __restorefn_t(void);
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typedef __restorefn_t __user *__sigrestore_t;
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#define SIG_DFL ((__force __sighandler_t)0) /* default signal handling */
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#define SIG_IGN ((__force __sighandler_t)1) /* ignore signal */
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#define SIG_ERR ((__force __sighandler_t)-1) /* error return from signal */
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#endif
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#endif /* __ASM_GENERIC_SIGNAL_DEFS_H */
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