diff options
Diffstat (limited to 'main/musl/0006-remove-unused-and-invalid-C-version-of-sigsetjmp.patch')
| -rw-r--r-- | main/musl/0006-remove-unused-and-invalid-C-version-of-sigsetjmp.patch | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/main/musl/0006-remove-unused-and-invalid-C-version-of-sigsetjmp.patch b/main/musl/0006-remove-unused-and-invalid-C-version-of-sigsetjmp.patch new file mode 100644 index 0000000000..88b6f9f6e8 --- /dev/null +++ b/main/musl/0006-remove-unused-and-invalid-C-version-of-sigsetjmp.patch @@ -0,0 +1,40 @@ +From deb85ab44dbe784ba6174b8cf376d35aeacbe309 Mon Sep 17 00:00:00 2001 +From: Rich Felker <dalias@aerifal.cx> +Date: Wed, 9 Sep 2015 06:59:45 +0000 +Subject: [PATCH] remove unused (and invalid) C version of sigsetjmp + +originally, the comment in this code was correct and it would likely +work if the compiler generated a tail call to setjmp. however, commit +583e55122e767b1586286a0d9c35e2a4027998ab redesigned sigsetjmp and +siglongjmp such that the old C implementation (which was not intended +to be used) is not even conceptually correct. remove it in the +interest of avoiding confusion when porting to new archs. +--- + src/signal/sigsetjmp.c | 17 ----------------- + 1 file changed, 17 deletions(-) + +diff --git a/src/signal/sigsetjmp.c b/src/signal/sigsetjmp.c +index 1bbe1a0..e69de29 100644 +--- a/src/signal/sigsetjmp.c ++++ b/src/signal/sigsetjmp.c +@@ -1,17 +0,0 @@ +-#include <setjmp.h> +-#include <signal.h> +-#include "libc.h" +- +-/* !!! This function will not work unless the compiler performs +- * tail call optimization. Machine-specific asm versions should +- * be created instead even though the workaround (tail call) +- * is entirely non-machine-specific... */ +- +-int sigsetjmp(sigjmp_buf buf, int save) +-{ +- if ((buf->__fl = save)) +- pthread_sigmask(SIG_SETMASK, 0, (sigset_t *)buf->__ss); +- return setjmp(buf); +-} +- +-weak_alias(sigsetjmp, __sigsetjmp); +-- +2.5.1 + |