sig_portability.h

#define sig_always_inline inline __attribute__((always_inline))

#define SIG_PUBLIC  __attribute__((visibility("default"), weak))

#define SIG_PRIVATE __attribute__((visibility("default"), weak))

#define SIG_PUBLIC  __attribute__((visibility("default")))

#define SIG_PRIVATE __attribute__((visibility("hidden")))

#define sig_always_inline inline

#define SIG_PUBLIC

#define SIG_PRIVATE

int64_t by default; drop to int32_t on constrained embedded targets (mbed) or when explicitly requested via -DSIG_INT32.

typedef int32_t sig_int_t;

typedef int64_t sig_int_t;