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mythread.h: Disable signal functions in builds targeting Wasm + WASI.

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signal.h in WASI SDK doesn't currently provide sigprocmask()
or sigset_t. liblzma doesn't need them so this change makes
liblzma and xzdec build against WASI SDK. xz doesn't build yet
and the tests don't either as tuktest needs setjmp() which
isn't (yet?) implemented in WASI SDK.

Closes: https://github.com/tukaani-project/xz/pull/57
See also: https://github.com/tukaani-project/xz/pull/56

(The original commit was edited a little by Lasse Collin.)
This commit is contained in:
ChanTsune 2023-08-01 18:17:17 +03:00 committed by Lasse Collin
parent 71c638c611
commit 81db3b8898
1 changed files with 1 additions and 1 deletions
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src/common/mythread.h
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@ -79,7 +79,7 @@ do { \
} while (0) } while (0)
#if !(defined(_WIN32) && !defined(__CYGWIN__)) #if !(defined(_WIN32) && !defined(__CYGWIN__)) && !defined(__wasm__)
// Use sigprocmask() to set the signal mask in single-threaded programs. // Use sigprocmask() to set the signal mask in single-threaded programs.
#include <signal.h> #include <signal.h>