6 files changed, 15 insertions, 14 deletions
diff --git a/arch/arm/bits/setjmp.h b/arch/arm/bits/setjmp.h
index a4baec4c..3938cb8a 100644
--- a/arch/arm/bits/setjmp.h
+++ b/arch/arm/bits/setjmp.h
@@ -1 +1 @@
-typedef unsigned long jmp_buf [64];
+typedef unsigned long long jmp_buf[32];
diff --git a/arch/i386/bits/setjmp.h b/arch/i386/bits/setjmp.h
index b6595bd2..5610be9b 100644
--- a/arch/i386/bits/setjmp.h
+++ b/arch/i386/bits/setjmp.h
@@ -1 +1 @@
-typedef unsigned long jmp_buf [7];
+typedef unsigned long jmp_buf[6];
diff --git a/arch/x86_64/bits/setjmp.h b/arch/x86_64/bits/setjmp.h
index c5b9e4af..81d4968a 100644
--- a/arch/x86_64/bits/setjmp.h
+++ b/arch/x86_64/bits/setjmp.h
@@ -1 +1 @@
-typedef unsigned long jmp_buf [9];
+typedef unsigned long jmp_buf[8];
diff --git a/include/setjmp.h b/include/setjmp.h
index 83ad7491..28ff92e4 100644
--- a/include/setjmp.h
+++ b/include/setjmp.h
@@ -11,7 +11,11 @@ extern "C" {
 #if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \
  || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
  || defined(_BSD_SOURCE)
-typedef unsigned long sigjmp_buf[(128+sizeof(jmp_buf))/sizeof(long)];
+typedef struct {
+	jmp_buf __jb;
+	unsigned long __fl;
+	unsigned long __ss[128];
+} sigjmp_buf[1];
 int sigsetjmp (sigjmp_buf, int);
 void siglongjmp (sigjmp_buf, int);
 #endif
diff --git a/src/signal/siglongjmp.c b/src/signal/siglongjmp.c
index 600d560c..9b4a5398 100644
--- a/src/signal/siglongjmp.c
+++ b/src/signal/siglongjmp.c
@@ -1,12 +1,11 @@
 #include <setjmp.h>
 #include <signal.h>
 #include <stdlib.h>
+#include "syscall.h"
 
 void siglongjmp(sigjmp_buf buf, int ret)
 {
-	unsigned long *flag = buf + sizeof(jmp_buf)/sizeof(long) - 1;
-	sigset_t *mask = (void *)(flag + 1);
-	if (*flag)
-		sigprocmask (SIG_SETMASK, mask, NULL);
-	longjmp((void *)buf, ret);
+	if (buf->__fl)
+		__syscall(SYS_rt_sigprocmask, SIG_SETMASK, buf->__ss, 0, 8);
+	longjmp(buf->__jb, ret);
 }
diff --git a/src/signal/sigsetjmp.c b/src/signal/sigsetjmp.c
index 5c937074..01ba0dff 100644
--- a/src/signal/sigsetjmp.c
+++ b/src/signal/sigsetjmp.c
@@ -9,9 +9,7 @@
 
 int sigsetjmp(sigjmp_buf buf, int save)
 {
-	unsigned 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->__jb);
 }