libc-top-half/musl/include/setjmp.h

   1 #ifndef _SETJMP_H
   2 #define _SETJMP_H
   3
   4 #ifdef __cplusplus
   5 extern "C" {
   6 #endif
   7
   8 #include <features.h>
   9
  10 #ifdef __wasilibc_unmodified_upstream /* setjmp */
  11 #include <bits/setjmp.h>
  12
  13 typedef struct __jmp_buf_tag {
  14         __jmp_buf __jb;
  15         unsigned long __fl;
  16         unsigned long __ss[128/sizeof(long)];
  17 } jmp_buf[1];
  18
  19 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  20  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
  21  || defined(_BSD_SOURCE)
  22 typedef jmp_buf sigjmp_buf;
  23 int sigsetjmp (sigjmp_buf, int);
  24 _Noreturn void siglongjmp (sigjmp_buf, int);
  25 #endif
  26
  27 #if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
  28  || defined(_BSD_SOURCE)
  29 int _setjmp (jmp_buf);
  30 _Noreturn void _longjmp (jmp_buf, int);
  31 #endif
  32
  33 int setjmp (jmp_buf);
  34 _Noreturn void longjmp (jmp_buf, int);
  35
  36 #define setjmp setjmp
  37 #else
  38 #warning setjmp is not yet implemented for wasm32-unknown-wasi
  39 #endif
  40
  41 #ifdef __cplusplus
  42 }
  43 #endif
  44
  45 #endif