| Issue |
125598
|
| Summary |
[libc][signal] fix declaration of sighandler_t
|
| Labels |
libc
|
| Assignees |
nickdesaulniers
|
| Reporter |
nickdesaulniers
|
cross compiling our unit tests (built hermetically) with llvm-libc fails with:
```
llvm-project/libc/test/UnitTest/FPExceptMatcher.cpp:40:3: error: unknown type name 'sighandler_t'; did you mean '__sighandler_t'?
40 | sighandler_t oldSIGFPEHandler = signal(SIGFPE, &sigfpeHandler);
| ^~~~~~~~~~~~
| __sighandler_t
llvm-project/build_aarch64/libc/include/llvm-libc-types/struct_sigaction.h:28:16: note: '__sighandler_t' declared here
28 | typedef void (*__sighandler_t)(int);
| ^
```
it looks like our generated signal.h defines `sighandler_t` with two leading underscores (for some reason, 215c9fa4deac9ec6b4e504843830551f03b60620 seems related). Whatever the problem was should be revisited.
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