/usr/include/linux/signal.h is in linux-libc-dev 4.9.144-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 | #ifndef _LINUX_SIGNAL_H
#define _LINUX_SIGNAL_H
#include <asm/signal.h>
#include <asm/siginfo.h>
#define SS_ONSTACK 1
#define SS_DISABLE 2
/* bit-flags */
#define SS_AUTODISARM (1U << 31) /* disable sas during sighandling */
/* mask for all SS_xxx flags */
#define SS_FLAG_BITS SS_AUTODISARM
#endif /* _LINUX_SIGNAL_H */
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