include cleanups: remove unused headers and add feature test macros

[musl] / src / signal / sigsetjmp.c

diff --git a/src/signal/sigsetjmp.c b/src/signal/sigsetjmp.c
index a6667a2..cb2257f 100644 (file)
--- a/src/signal/sigsetjmp.c
+++ b/src/signal/sigsetjmp.c
@@ -1,6 +1,5 @@
 #include <setjmp.h>
 #include <signal.h>
-#include <stdlib.h>
 
 /* !!! This function will not work unless the compiler performs
  * tail call optimization. Machine-specific asm versions should
@@ -9,9 +8,7 @@
 
 int sigsetjmp(sigjmp_buf buf, int save)
 {
-       long *flag = buf + sizeof(jmp_buf)/sizeof(long);
-       sigset_t *mask = (void *)(flag + 1);
-       if ((*flag = save))
-               sigprocmask (SIG_SETMASK, NULL, mask);
-       return setjmp((void *)buf);
+       if ((buf->__fl = save))
+               pthread_sigmask(SIG_SETMASK, 0, (sigset_t *)buf->__ss);
+       return setjmp(buf);
 }