/usr/include/bglibs/unix/sig.h is in libbg1-dev 1.106-1.1.
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 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | #ifndef UNIX__SIG__H__
#define UNIX__SIG__H__
typedef void (*signalfn)(int);
void sig_block(int sig);
void sig_unblock(int sig);
void sig_suspend(void);
void sig_catch(int sig, signalfn fn);
void sig_default(int sig);
void sig_ignore(int sig);
void sig_misc_ignore(void);
void sig_bug_catch(signalfn fn);
#define SIG_FUNCTION_DECL(NAME) \
extern void sig_##NAME##_block(void); \
extern void sig_##NAME##_unblock(void); \
extern void sig_##NAME##_catch(signalfn fn); \
extern void sig_##NAME##_default(void)
SIG_FUNCTION_DECL(alarm);
SIG_FUNCTION_DECL(child);
SIG_FUNCTION_DECL(hup);
SIG_FUNCTION_DECL(int);
SIG_FUNCTION_DECL(pipe);
SIG_FUNCTION_DECL(quit);
SIG_FUNCTION_DECL(term);
SIG_FUNCTION_DECL(all);
#undef SIG_FUNCTION_DECL
#define SIG_FUNCTION_MAKE(NAME,SIG) \
extern void sig_##NAME##_block(void) { sig_block(SIG); } \
extern void sig_##NAME##_unblock(void) { sig_unblock(SIG); } \
extern void sig_##NAME##_catch(signalfn fn) { sig_catch(SIG, fn); } \
extern void sig_##NAME##_default(void) { sig_default(SIG); } \
#endif
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