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authorRich Felker <dalias@aerifal.cx>2013-03-26 23:07:31 -0400
committerRich Felker <dalias@aerifal.cx>2013-03-26 23:07:31 -0400
commitccc7b4c3a17ade90de71e1e0f44deebbffd646e6 (patch)
treef2ebd7203d59fdcd3301136924e628b94917e2e5 /src/signal/siglongjmp.c
parent00f1521fdd3f57c7a190550426537089fc24b9da (diff)
downloadmusl-ccc7b4c3a17ade90de71e1e0f44deebbffd646e6.tar.gz
remove __SYSCALL_SSLEN arch macro in favor of using public _NSIG
the issue at hand is that many syscalls require as an argument the kernel-ABI size of sigset_t, intended to allow the kernel to switch to a larger sigset_t in the future. previously, each arch was defining this size in syscall_arch.h, which was redundant with the definition of _NSIG in bits/signal.h. as it's used in some not-quite-portable application code as well, _NSIG is much more likely to be recognized and understood immediately by someone reading the code, and it's also shorter and less cluttered. note that _NSIG is actually 65/129, not 64/128, but the division takes care of throwing away the off-by-one part.
Diffstat (limited to 'src/signal/siglongjmp.c')
-rw-r--r--src/signal/siglongjmp.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/signal/siglongjmp.c b/src/signal/siglongjmp.c
index d0e4f67d..bbdde796 100644
--- a/src/signal/siglongjmp.c
+++ b/src/signal/siglongjmp.c
@@ -6,6 +6,6 @@
_Noreturn void siglongjmp(sigjmp_buf buf, int ret)
{
if (buf->__fl) __syscall(SYS_rt_sigprocmask, SIG_SETMASK,
- buf->__ss, 0, __SYSCALL_SSLEN);
+ buf->__ss, 0, _NSIG/8);
longjmp(buf->__jb, ret);
}