github.com/afumu/libc@v0.0.6/musl/include/ucontext.h (about)

     1  #ifndef _UCONTEXT_H
     2  #define _UCONTEXT_H
     3  #ifdef __cplusplus
     4  extern "C" {
     5  #endif
     6  
     7  #include <features.h>
     8  
     9  #include <signal.h>
    10  
    11  #if defined(_GNU_SOURCE) || defined(_BSD_SOURCE)
    12  #define NGREG (sizeof(gregset_t)/sizeof(greg_t))
    13  #endif
    14  
    15  struct __ucontext;
    16  
    17  int  getcontext(struct __ucontext *);
    18  void makecontext(struct __ucontext *, void (*)(), int, ...);
    19  int  setcontext(const struct __ucontext *);
    20  int  swapcontext(struct __ucontext *, const struct __ucontext *);
    21  
    22  #ifdef __cplusplus
    23  }
    24  #endif
    25  #endif